phy_procedures_lte_ue.c 217 KB
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/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.0  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */
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/*! \file phy_procedures_lte_ue.c
 * \brief Implementation of UE procedures from 36.213 LTE specifications
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 * \author R. Knopp, F. Kaltenberger, N. Nikaein
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 * \date 2011
 * \version 0.1
 * \company Eurecom
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 * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
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 * \note
 * \warning
 */

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#define _GNU_SOURCE

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#include "assertions.h"
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#include "defs.h"
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "SCHED/defs.h"
#include "SCHED/extern.h"
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#include <sched.h>
#include "targets/RT/USER/lte-softmodem.h"
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#ifdef EMOS
#include "SCHED/phy_procedures_emos.h"
#endif

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#define DEBUG_PHY_PROC
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#ifndef PUCCH
#define PUCCH
#endif

#include "LAYER2/MAC/extern.h"
#include "LAYER2/MAC/defs.h"
#include "UTIL/LOG/log.h"

#ifdef EMOS
fifo_dump_emos_UE emos_dump_UE;
#endif

#include "UTIL/LOG/vcd_signal_dumper.h"
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#include "UTIL/OPT/opt.h"
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#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif

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#include "PHY/defs.h"

#include "PHY/CODING/extern.h"
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#include "T.h"

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#define DLSCH_RB_ALLOC 0x1fbf  // skip DC RB (total 23/25 RBs)
#define DLSCH_RB_ALLOC_12 0x0aaa  // skip DC RB (total 23/25 RBs)

#define NS_PER_SLOT 500000

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extern double cpuf;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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extern uint32_t downlink_frequency[MAX_NUM_CCs][4];
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#endif

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void dump_dlsch(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t nr_tti_rx,uint8_t harq_pid)
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{
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  unsigned int coded_bits_per_codeword;
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  uint8_t nsymb = (ue->frame_parms.Ncp == 0) ? 14 : 12;

  coded_bits_per_codeword = get_G(&ue->frame_parms,
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                                  ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[harq_pid]->nb_rb,
                                  ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[harq_pid]->rb_alloc_even,
                                  ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[harq_pid]->Qm,
                                  ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[harq_pid]->Nl,
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                                  ue->pdcch_vars[0%RX_NB_TH][eNB_id]->num_pdcch_symbols,
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                                  proc->frame_rx,
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          nr_tti_rx,
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          ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id]);
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  write_output("rxsigF0.m","rxsF0", ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].rxdataF[0],2*nsymb*ue->frame_parms.ofdm_symbol_size,2,1);
  write_output("rxsigF0_ext.m","rxsF0_ext", ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->rxdataF_ext[0],2*nsymb*ue->frame_parms.ofdm_symbol_size,1,1);
  write_output("dlsch00_ch0_ext.m","dl00_ch0_ext", ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_estimates_ext[0],300*nsymb,1,1);
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  /*
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    write_output("dlsch01_ch0_ext.m","dl01_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[1],300*12,1,1);
    write_output("dlsch10_ch0_ext.m","dl10_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[2],300*12,1,1);
    write_output("dlsch11_ch0_ext.m","dl11_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[3],300*12,1,1);
    write_output("dlsch_rho.m","dl_rho",pdsch_vars[0]->rho[0],300*12,1,1);
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  */
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  write_output("dlsch_rxF_comp0.m","dlsch0_rxF_comp0", ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->rxdataF_comp0[0],300*12,1,1);
  write_output("dlsch_rxF_llr.m","dlsch_llr", ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->llr[0],coded_bits_per_codeword,1,0);
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  write_output("dlsch_mag1.m","dlschmag1",ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_mag0,300*12,1,1);
  write_output("dlsch_mag2.m","dlschmag2",ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_magb0,300*12,1,1);
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}

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void dump_dlsch_SI(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t nr_tti_rx)
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{
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  unsigned int coded_bits_per_codeword;
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  uint8_t nsymb = ((ue->frame_parms.Ncp == 0) ? 14 : 12);
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  coded_bits_per_codeword = get_G(&ue->frame_parms,
                                  ue->dlsch_SI[eNB_id]->harq_processes[0]->nb_rb,
                                  ue->dlsch_SI[eNB_id]->harq_processes[0]->rb_alloc_even,
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                                  2,
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                                  1,
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                                  ue->pdcch_vars[0%RX_NB_TH][eNB_id]->num_pdcch_symbols,
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                                  proc->frame_rx,
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          nr_tti_rx,
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          0);
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  LOG_D(PHY,"[UE %d] Dumping dlsch_SI : ofdm_symbol_size %d, nsymb %d, nb_rb %d, mcs %d, nb_rb %d, num_pdcch_symbols %d,G %d\n",
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        ue->Mod_id,
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  ue->frame_parms.ofdm_symbol_size,
  nsymb,
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        ue->dlsch_SI[eNB_id]->harq_processes[0]->nb_rb,
        ue->dlsch_SI[eNB_id]->harq_processes[0]->mcs,
        ue->dlsch_SI[eNB_id]->harq_processes[0]->nb_rb,
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        ue->pdcch_vars[0%RX_NB_TH][eNB_id]->num_pdcch_symbols,
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        coded_bits_per_codeword);
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  write_output("rxsig0.m","rxs0", &ue->common_vars.rxdata[0][nr_tti_rx*ue->frame_parms.samples_per_tti],ue->frame_parms.samples_per_tti,1,1);
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  write_output("rxsigF0.m","rxsF0", ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].rxdataF[0],nsymb*ue->frame_parms.ofdm_symbol_size,1,1);
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  write_output("rxsigF0_ext.m","rxsF0_ext", ue->pdsch_vars_SI[0]->rxdataF_ext[0],2*nsymb*ue->frame_parms.ofdm_symbol_size,1,1);
  write_output("dlsch00_ch0_ext.m","dl00_ch0_ext", ue->pdsch_vars_SI[0]->dl_ch_estimates_ext[0],ue->frame_parms.N_RB_DL*12*nsymb,1,1);
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  /*
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    write_output("dlsch01_ch0_ext.m","dl01_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[1],300*12,1,1);
    write_output("dlsch10_ch0_ext.m","dl10_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[2],300*12,1,1);
    write_output("dlsch11_ch0_ext.m","dl11_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[3],300*12,1,1);
    write_output("dlsch_rho.m","dl_rho",pdsch_vars[0]->rho[0],300*12,1,1);
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  */
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  write_output("dlsch_rxF_comp0.m","dlsch0_rxF_comp0", ue->pdsch_vars_SI[0]->rxdataF_comp0[0],ue->frame_parms.N_RB_DL*12*nsymb,1,1);
  write_output("dlsch_rxF_llr.m","dlsch_llr", ue->pdsch_vars_SI[0]->llr[0],coded_bits_per_codeword,1,0);
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  write_output("dlsch_mag1.m","dlschmag1",ue->pdsch_vars_SI[0]->dl_ch_mag0,300*nsymb,1,1);
  write_output("dlsch_mag2.m","dlschmag2",ue->pdsch_vars_SI[0]->dl_ch_magb0,300*nsymb,1,1);
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  sleep(1);
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  exit(-1);
}

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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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//unsigned int gain_table[31] = {100,112,126,141,158,178,200,224,251,282,316,359,398,447,501,562,631,708,794,891,1000,1122,1258,1412,1585,1778,1995,2239,2512,2818,3162};
/*
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  unsigned int get_tx_amp_prach(int power_dBm, int power_max_dBm, int N_RB_UL)
  {
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  int gain_dB = power_dBm - power_max_dBm;
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  int amp_x_100;

  switch (N_RB_UL) {
  case 6:
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  amp_x_100 = AMP;      // PRACH is 6 PRBS so no scale
  break;
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  case 15:
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  amp_x_100 = 158*AMP;  // 158 = 100*sqrt(15/6)
  break;
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  case 25:
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  amp_x_100 = 204*AMP;  // 204 = 100*sqrt(25/6)
  break;
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  case 50:
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  amp_x_100 = 286*AMP;  // 286 = 100*sqrt(50/6)
  break;
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  case 75:
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  amp_x_100 = 354*AMP;  // 354 = 100*sqrt(75/6)
  break;
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  case 100:
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  amp_x_100 = 408*AMP;  // 408 = 100*sqrt(100/6)
  break;
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  default:
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  LOG_E(PHY,"Unknown PRB size %d\n",N_RB_UL);
  mac_xface->macphy_exit("");
  break;
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  }
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  if (gain_dB < -30) {
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  return(amp_x_100/3162);
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  } else if (gain_dB>0)
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  return(amp_x_100);
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  else
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  return(amp_x_100/gain_table[-gain_dB]);  // 245 corresponds to the factor sqrt(25/6)
  }
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*/

unsigned int get_tx_amp(int power_dBm, int power_max_dBm, int N_RB_UL, int nb_rb)
{

  int gain_dB = power_dBm - power_max_dBm;
  double gain_lin;

  gain_lin = pow(10,.1*gain_dB);
  if ((nb_rb >0) && (nb_rb <= N_RB_UL)) {
    return((int)(AMP*sqrt(gain_lin*N_RB_UL/(double)nb_rb)));
  }
  else {
    LOG_E(PHY,"Illegal nb_rb/N_RB_UL combination (%d/%d)\n",nb_rb,N_RB_UL);
    mac_xface->macphy_exit("");
  }
  return(0);
}

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#endif

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void dump_dlsch_ra(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t nr_tti_rx)
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{
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  unsigned int coded_bits_per_codeword;
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  uint8_t nsymb = ((ue->frame_parms.Ncp == 0) ? 14 : 12);
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  coded_bits_per_codeword = get_G(&ue->frame_parms,
                                  ue->dlsch_ra[eNB_id]->harq_processes[0]->nb_rb,
                                  ue->dlsch_ra[eNB_id]->harq_processes[0]->rb_alloc_even,
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                                  2,
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                                  1,
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                                  ue->pdcch_vars[0%RX_NB_TH][eNB_id]->num_pdcch_symbols,
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                                  proc->frame_rx,
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          nr_tti_rx,
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          0);
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  LOG_D(PHY,"[UE %d] Dumping dlsch_ra : nb_rb %d, mcs %d, nb_rb %d, num_pdcch_symbols %d,G %d\n",
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        ue->Mod_id,
        ue->dlsch_ra[eNB_id]->harq_processes[0]->nb_rb,
        ue->dlsch_ra[eNB_id]->harq_processes[0]->mcs,
        ue->dlsch_ra[eNB_id]->harq_processes[0]->nb_rb,
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        ue->pdcch_vars[0%RX_NB_TH][eNB_id]->num_pdcch_symbols,
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        coded_bits_per_codeword);
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  write_output("rxsigF0.m","rxsF0", ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].rxdataF[0],2*12*ue->frame_parms.ofdm_symbol_size,2,1);
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  write_output("rxsigF0_ext.m","rxsF0_ext", ue->pdsch_vars_ra[0]->rxdataF_ext[0],2*12*ue->frame_parms.ofdm_symbol_size,1,1);
  write_output("dlsch00_ch0_ext.m","dl00_ch0_ext", ue->pdsch_vars_ra[0]->dl_ch_estimates_ext[0],300*nsymb,1,1);
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  /*
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    write_output("dlsch01_ch0_ext.m","dl01_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[1],300*12,1,1);
    write_output("dlsch10_ch0_ext.m","dl10_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[2],300*12,1,1);
    write_output("dlsch11_ch0_ext.m","dl11_ch0_ext",pdsch_vars[0]->dl_ch_estimates_ext[3],300*12,1,1);
    write_output("dlsch_rho.m","dl_rho",pdsch_vars[0]->rho[0],300*12,1,1);
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  */
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  write_output("dlsch_rxF_comp0.m","dlsch0_rxF_comp0", ue->pdsch_vars_ra[0]->rxdataF_comp0[0],300*nsymb,1,1);
  write_output("dlsch_rxF_llr.m","dlsch_llr", ue->pdsch_vars_ra[0]->llr[0],coded_bits_per_codeword,1,0);
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  write_output("dlsch_mag1.m","dlschmag1",ue->pdsch_vars_ra[0]->dl_ch_mag0,300*nsymb,1,1);
  write_output("dlsch_mag2.m","dlschmag2",ue->pdsch_vars_ra[0]->dl_ch_magb0,300*nsymb,1,1);
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}
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void phy_reset_ue(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
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{
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  // This flushes ALL DLSCH and ULSCH harq buffers of ALL connected eNBs...add the eNB_index later
  // for more flexibility
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  uint8_t i,j,k,s;
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  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
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  //[NUMBER_OF_RX_THREAD=2][NUMBER_OF_CONNECTED_eNB_MAX][2];
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  for(int l=0; l<RX_NB_TH; l++) {
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      for(i=0; i<NUMBER_OF_CONNECTED_eNB_MAX; i++) {
          for(j=0; j<2; j++) {
              //DL HARQ
              if(ue->dlsch[l][i][j]) {
                  for(k=0; k<NUMBER_OF_HARQ_PID_MAX && ue->dlsch[l][i][j]->harq_processes[k]; k++) {
                      ue->dlsch[l][i][j]->harq_processes[k]->status = SCH_IDLE;
                      for (s=0; s<10; s++) {
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                          // reset ACK/NACK bit to DTX for all nr_tti_rxs s = 0..9
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                          ue->dlsch[l][i][j]->harq_ack[s].ack = 2;
                          ue->dlsch[l][i][j]->harq_ack[s].send_harq_status = 0;
                          ue->dlsch[l][i][j]->harq_ack[s].vDAI_UL = 0xff;
                          ue->dlsch[l][i][j]->harq_ack[s].vDAI_DL = 0xff;
                      }
                  }
              }
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          }
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          //UL HARQ
          if(ue->ulsch[i]) {
              for(k=0; k<NUMBER_OF_HARQ_PID_MAX && ue->ulsch[i]->harq_processes[k]; k++) {
                  ue->ulsch[i]->harq_processes[k]->status = SCH_IDLE;
                  //Set NDIs for all UL HARQs to 0
                  //  ue->ulsch[i]->harq_processes[k]->Ndi = 0;
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              }
          }
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          // flush Msg3 buffer
          ue->ulsch_Msg3_active[i] = 0;
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      }
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  }
}

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void ra_failed(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
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  // if contention resolution fails, go back to PRACH
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  PHY_vars_UE_g[Mod_id][CC_id]->UE_mode[eNB_index] = PRACH;
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  PHY_vars_UE_g[Mod_id][CC_id]->pdcch_vars[0][eNB_index]->crnti_is_temporary = 0;
  PHY_vars_UE_g[Mod_id][CC_id]->pdcch_vars[0][eNB_index]->crnti = 0;
  PHY_vars_UE_g[Mod_id][CC_id]->pdcch_vars[1][eNB_index]->crnti_is_temporary = 0;
  PHY_vars_UE_g[Mod_id][CC_id]->pdcch_vars[1][eNB_index]->crnti = 0;
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  LOG_E(PHY,"[UE %d] Random-access procedure fails, going back to PRACH, setting SIStatus = 0, discard temporary C-RNTI and State RRC_IDLE\n",Mod_id);
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  //mac_xface->macphy_exit("");
}

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void ra_succeeded(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
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  int i;

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  LOG_I(PHY,"[UE %d][RAPROC] Random-access procedure succeeded. Set C-RNTI = Temporary C-RNTI\n",Mod_id);
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  PHY_vars_UE_g[Mod_id][CC_id]->pdcch_vars[0][eNB_index]->crnti_is_temporary = 0;
  PHY_vars_UE_g[Mod_id][CC_id]->pdcch_vars[1][eNB_index]->crnti_is_temporary = 0;
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  PHY_vars_UE_g[Mod_id][CC_id]->ulsch_Msg3_active[eNB_index] = 0;
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  PHY_vars_UE_g[Mod_id][CC_id]->UE_mode[eNB_index] = PUSCH;
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  for (i=0; i<8; i++) {
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    if (PHY_vars_UE_g[Mod_id][CC_id]->ulsch[eNB_index]->harq_processes[i]) {
      PHY_vars_UE_g[Mod_id][CC_id]->ulsch[eNB_index]->harq_processes[i]->status=IDLE;
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      PHY_vars_UE_g[Mod_id][CC_id]->dlsch[0][eNB_index][0]->harq_processes[i]->round=0;
      PHY_vars_UE_g[Mod_id][CC_id]->dlsch[1][eNB_index][0]->harq_processes[i]->round=0;
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      PHY_vars_UE_g[Mod_id][CC_id]->ulsch[eNB_index]->harq_processes[i]->subframe_scheduling_flag=0;
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    }
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  }


}

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UE_MODE_t get_ue_mode(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
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  return(PHY_vars_UE_g[Mod_id][CC_id]->UE_mode[eNB_index]);
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}
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void process_timing_advance_rar(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint16_t timing_advance) {
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  ue->timing_advance = timing_advance*4;
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#ifdef DEBUG_PHY_PROC
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  /* TODO: fix this log, what is 'HW timing advance'? */
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  /*LOG_I(PHY,"[UE %d] AbsoluteSubFrame %d.%d, received (rar) timing_advance %d, HW timing advance %d\n",ue->Mod_id,proc->frame_rx, proc->nr_tti_rx_rx, ue->timing_advance);*/
  LOG_I(PHY,"[UE %d] AbsoluteSubFrame %d.%d, received (rar) timing_advance %d\n",ue->Mod_id,proc->frame_rx, proc->nr_tti_rx, ue->timing_advance);
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#endif

}

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void process_timing_advance(uint8_t Mod_id,uint8_t CC_id,int16_t timing_advance)
{
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  //  uint32_t frame = PHY_vars_UE_g[Mod_id]->frame;
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  // timing advance has Q1.5 format
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  timing_advance = timing_advance - 31;
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  PHY_vars_UE_g[Mod_id][CC_id]->timing_advance = PHY_vars_UE_g[Mod_id][CC_id]->timing_advance+timing_advance*4; //this is for 25RB only!!!

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  LOG_D(PHY,"[UE %d] Got timing advance %d from MAC, new value %d\n",Mod_id, timing_advance, PHY_vars_UE_g[Mod_id][CC_id]->timing_advance);
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}

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uint8_t is_SR_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
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{

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  int nr_tti_tx=proc->nr_tti_tx;
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  LOG_D(PHY,"[UE %d][SR %x] Frame %d nr_tti_tx %d Checking for SR TXOp (sr_ConfigIndex %d)\n",
        ue->Mod_id,ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->crnti,proc->frame_tx,nr_tti_tx,
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        ue->scheduling_request_config[eNB_id].sr_ConfigIndex);
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  if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 4) {        // 5 ms SR period
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    if ((nr_tti_tx%5) == ue->scheduling_request_config[eNB_id].sr_ConfigIndex)
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      return(1);
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  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 14) { // 10 ms SR period
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    if (nr_tti_tx==(ue->scheduling_request_config[eNB_id].sr_ConfigIndex-5))
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      return(1);
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  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 34) { // 20 ms SR period
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    if ((10*(proc->frame_tx&1)+nr_tti_tx) == (ue->scheduling_request_config[eNB_id].sr_ConfigIndex-15))
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      return(1);
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  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 74) { // 40 ms SR period
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    if ((10*(proc->frame_tx&3)+nr_tti_tx) == (ue->scheduling_request_config[eNB_id].sr_ConfigIndex-35))
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      return(1);
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  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 154) { // 80 ms SR period
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    if ((10*(proc->frame_tx&7)+nr_tti_tx) == (ue->scheduling_request_config[eNB_id].sr_ConfigIndex-75))
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      return(1);
  }

  return(0);
}

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uint8_t is_cqi_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
{
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  int nr_tti_tx = proc->nr_tti_tx;
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  int frame    = proc->frame_tx;
  CQI_REPORTPERIODIC *cqirep = &ue->cqi_report_config[eNB_id].CQI_ReportPeriodic;

  //LOG_I(PHY,"[UE %d][CRNTI %x] AbsSubFrame %d.%d Checking for CQI TXOp (cqi_ConfigIndex %d) isCQIOp %d\n",
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  //      ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,nr_tti_rx,
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  //      cqirep->cqi_PMI_ConfigIndex,
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  //      (((10*frame + nr_tti_tx) % cqirep->Npd) == cqirep->N_OFFSET_CQI));
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  if (cqirep->cqi_PMI_ConfigIndex==-1)
    return(0);
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  else if (((10*frame + nr_tti_tx) % cqirep->Npd) == cqirep->N_OFFSET_CQI)
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    return(1);
  else
    return(0);
}
uint8_t is_ri_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
{


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  int nr_tti_tx = proc->nr_tti_tx;
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  int frame    = proc->frame_tx;
  CQI_REPORTPERIODIC *cqirep = &ue->cqi_report_config[eNB_id].CQI_ReportPeriodic;
  int log2Mri = cqirep->ri_ConfigIndex/161;
  int N_OFFSET_RI = cqirep->ri_ConfigIndex % 161;

  //LOG_I(PHY,"[UE %d][CRNTI %x] AbsSubFrame %d.%d Checking for RI TXOp (ri_ConfigIndex %d) isRIOp %d\n",
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  //      ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,nr_tti_tx,
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  //      cqirep->ri_ConfigIndex,
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  //      (((10*frame + nr_tti_tx + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0));
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  if (cqirep->ri_ConfigIndex==-1)
    return(0);
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  else if (((10*frame + nr_tti_tx + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0)
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    return(1);
  else
    return(0);
}

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void compute_cqi_ri_resources(PHY_VARS_UE *ue,
                              LTE_UE_ULSCH_t *ulsch,
                              uint8_t eNB_id,
                              uint16_t rnti,
                              uint16_t p_rnti,
                              uint16_t cba_rnti,
                              uint8_t cqi_status,
                              uint8_t ri_status)
{
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    //PHY_MEASUREMENTS *meas = &ue->measurements;
    //uint8_t transmission_mode = ue->transmission_mode[eNB_id];
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    //LOG_I(PHY,"compute_cqi_ri_resources O_RI %d O %d uci format %d \n",ulsch->O_RI,ulsch->O,ulsch->uci_format);
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    if (cqi_status == 1 || ri_status == 1)
    {
        ulsch->O = 4;
    }
}
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void ue_compute_srs_occasion(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t isSubframeSRS)
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{
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  LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
  int frame_tx    = proc->frame_tx;
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  int nr_tti_tx = proc->nr_tti_tx;
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  SOUNDINGRS_UL_CONFIG_DEDICATED *pSoundingrs_ul_config_dedicated=&ue->soundingrs_ul_config_dedicated[eNB_id];
  uint16_t srsPeriodicity;
  uint16_t srsOffset;
  uint8_t is_pucch2_subframe = 0;
  uint8_t is_sr_an_subframe  = 0;
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  // check for SRS opportunity
  pSoundingrs_ul_config_dedicated->srsUeSubframe   = 0;
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  pSoundingrs_ul_config_dedicated->srsCellSubframe = isSubframeSRS;
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  if (isSubframeSRS) {
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    LOG_D(PHY," SrsDedicatedSetup: %d \n",pSoundingrs_ul_config_dedicated->srsConfigDedicatedSetup);
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      if(pSoundingrs_ul_config_dedicated->srsConfigDedicatedSetup)
      {
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          compute_srs_pos(frame_parms->frame_type, pSoundingrs_ul_config_dedicated->srs_ConfigIndex, &srsPeriodicity, &srsOffset);

          LOG_D(PHY," srsPeriodicity: %d srsOffset: %d isSubframeSRS %d \n",srsPeriodicity,srsOffset,isSubframeSRS);

          // transmit SRS if the four following constraints are respected:
          // - UE is configured to transmit SRS
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          // - SRS are configured in current nr_tti_rx
          // - UE is configured to send SRS in this nr_tti_tx
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          // 36.213 8.2
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          // 1- A UE shall not transmit SRS whenever SRS and PUCCH format 2/2a/2b transmissions happen to coincide in the same nr_tti_rx
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          // 2- A UE shall not transmit SRS whenever SRS transmit
          //    on and PUCCH transmission carrying ACK/NACK and/or
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          //    positive SR happen to coincide in the same nr_tti_rx if the parameter
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          //    Simultaneous-AN-and-SRS is FALSE

          // check PUCCH format 2/2a/2b transmissions
          is_pucch2_subframe = is_cqi_TXOp(ue,proc,eNB_id) && (ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex>0);
          is_pucch2_subframe = (is_ri_TXOp(ue,proc,eNB_id) && (ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex>0)) || is_pucch2_subframe;

          // check ACK/SR transmission
          if(frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission == FALSE)
          {
              if(is_SR_TXOp(ue,proc,eNB_id))
              {
                  uint32_t SR_payload = 0;
                  if (ue->mac_enabled==1)
                  {
                      int Mod_id = ue->Mod_id;
                      int CC_id = ue->CC_id;
                      SR_payload = mac_xface->ue_get_SR(Mod_id,
                              CC_id,
                              frame_tx,
                              eNB_id,
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                              ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->crnti,
                              nr_tti_tx); // nr_tti_tx used for meas gap
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                      if (SR_payload > 0)
                          is_sr_an_subframe = 1;
                  }
              }

              uint8_t pucch_ack_payload[2];
              if (get_ack(&ue->frame_parms,
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                      ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack,
                      nr_tti_tx,proc->nr_tti_rx,pucch_ack_payload,0) > 0)
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              {
                  is_sr_an_subframe = 1;
              }
          }

          // check SRS UE opportunity
          if( isSubframeSRS  &&
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                  (((10*frame_tx+nr_tti_tx) % srsPeriodicity) == srsOffset)
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          )
          {
              if ((is_pucch2_subframe == 0) && (is_sr_an_subframe == 0))
              {
                  pSoundingrs_ul_config_dedicated->srsUeSubframe = 1;
                  ue->ulsch[eNB_id]->srs_active   = 1;
                  ue->ulsch[eNB_id]->Nsymb_pusch  = 12-(frame_parms->Ncp<<1)- ue->ulsch[eNB_id]->srs_active;
              }
              else
              {
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                  LOG_I(PHY,"DROP UE-SRS-TX for this nr_tti_tx %d.%d: collision with PUCCH2 or SR/AN: PUCCH2-occasion: %d, SR-AN-occasion[simSRS-SR-AN %d]: %d  \n", frame_tx, nr_tti_tx, is_pucch2_subframe, frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission, is_sr_an_subframe);
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              }
          }
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      }
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      LOG_D(PHY," srsCellSubframe: %d, srsUeSubframe: %d, Nsymb-pusch: %d \n", pSoundingrs_ul_config_dedicated->srsCellSubframe, pSoundingrs_ul_config_dedicated->srsUeSubframe, ue->ulsch[eNB_id]->Nsymb_pusch);
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  }
}

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void get_cqipmiri_params(PHY_VARS_UE *ue,uint8_t eNB_id)
{

  CQI_REPORTPERIODIC *cqirep = &ue->cqi_report_config[eNB_id].CQI_ReportPeriodic;
  int cqi_PMI_ConfigIndex = cqirep->cqi_PMI_ConfigIndex;

  if (ue->frame_parms.frame_type == FDD) {
    if (cqi_PMI_ConfigIndex <= 1) {        // 2 ms CQI_PMI period
      cqirep->Npd = 2;
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex;
    } else if (cqi_PMI_ConfigIndex <= 6) { // 5 ms CQI_PMI period
      cqirep->Npd = 5;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-2;
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    } else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
      cqirep->Npd = 10;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-7;
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    } else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
      cqirep->Npd = 20;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-17;
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    } else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
      cqirep->Npd = 40;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-37;
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    } else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
      cqirep->Npd = 80;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-77;
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    } else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
      cqirep->Npd = 160;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-157;
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    }
    else if (cqi_PMI_ConfigIndex > 317) {
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      if (cqi_PMI_ConfigIndex <= 349) { // 32 ms CQI_PMI period
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  cqirep->Npd = 32;
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      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-318;
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      }
      else if (cqi_PMI_ConfigIndex <= 413) { // 64 ms CQI_PMI period
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  cqirep->Npd = 64;
  cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-350;
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      }
      else if (cqi_PMI_ConfigIndex <= 541) { // 128 ms CQI_PMI period
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  cqirep->Npd = 128;
  cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-414;
      }
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    }
  }
  else { // TDD
   if (cqi_PMI_ConfigIndex == 0) {        // all UL subframes
     cqirep->Npd = 1;
     cqirep->N_OFFSET_CQI = 0;
   } else if (cqi_PMI_ConfigIndex <= 6) { // 5 ms CQI_PMI period
     cqirep->Npd = 5;
     cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-1;
   } else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
     cqirep->Npd = 10;
     cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-6;
   } else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
     cqirep->Npd = 20;
     cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-16;
   } else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
     cqirep->Npd = 40;
     cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-36;
   } else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
     cqirep->Npd = 80;
     cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-76;
   } else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
     cqirep->Npd = 160;
     cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-156;
   }
  }
}

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PUCCH_FMT_t get_pucch_format(lte_frame_type_t frame_type,
                             lte_prefix_type_t cyclic_prefix_type,
                             uint8_t SR_payload,
                             uint8_t nb_cw,
                             uint8_t cqi_status,
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                             uint8_t ri_status,
                             uint8_t bundling_flag)
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{
  if((cqi_status == 0) && (ri_status==0))
  {
      // PUCCH Format 1 1a 1b
      // 1- SR only ==> PUCCH format 1
      // 2- 1bit Ack/Nack with/without SR  ==> PUCCH format 1a
      // 3- 2bits Ack/Nack with/without SR ==> PUCCH format 1b
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      if((nb_cw == 1)&&(bundling_flag==bundling))
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      {
          return pucch_format1a;
      }
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      if((nb_cw == 1)&&(bundling_flag==multiplexing))
      {
          return pucch_format1b;
      }
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      if(nb_cw == 2)
      {
          return pucch_format1b;
      }
      if(SR_payload == 1)
      {
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          return pucch_format1;
          /*
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          if (frame_type == FDD) {
              return pucch_format1;
          } else if (frame_type == TDD) {
              return pucch_format1b;
          } else {
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              AssertFatal(1==0,"Unknown frame_type");
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          }*/
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      }
  }
  else
  {
      // PUCCH Format 2 2a 2b
      // 1- CQI only or RI only  ==> PUCCH format 2
      // 2- CQI or RI + 1bit Ack/Nack for normal CP  ==> PUCCH format 2a
      // 3- CQI or RI + 2bits Ack/Nack for normal CP ==> PUCCH format 2b
      // 4- CQI or RI + Ack/Nack for extended CP ==> PUCCH format 2
      if(nb_cw == 0)
      {
          return pucch_format2;
      }
      if(cyclic_prefix_type == NORMAL)
      {
          if(nb_cw == 1)
          {
              return pucch_format2a;
          }
          if(nb_cw == 2)
          {
              return pucch_format2b;
          }
      }
      else
      {
          return pucch_format2;
      }
  }
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  return pucch_format1a;
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}
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uint16_t get_n1_pucch(PHY_VARS_UE *ue,
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          UE_rxtx_proc_t *proc,
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                      harq_status_t *harq_ack,
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                      uint8_t eNB_id,
                      uint8_t *b,
                      uint8_t SR)
{
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  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
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  uint8_t nCCE0,nCCE1,nCCE2,nCCE3,harq_ack1,harq_ack0,harq_ack3,harq_ack2;
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  ANFBmode_t bundling_flag;
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  uint16_t n1_pucch0=0,n1_pucch1=0,n1_pucch2=0,n1_pucch3=0,n1_pucch_inter;
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  static uint8_t candidate_dl[9]; // which downlink(s) the current ACK/NACK is associating to
  uint8_t last_dl=0xff; // the last downlink with valid DL-DCI. for calculating the PUCCH resource index
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  int sf;
  int M;
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  uint8_t ack_counter=0;
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  // clear this, important for case where n1_pucch selection is not used
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  int nr_tti_tx=proc->nr_tti_tx;
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  ue->pucch_sel[nr_tti_tx] = 0;
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  if (frame_parms->frame_type == FDD ) { // FDD
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    sf = (nr_tti_tx<4)? nr_tti_tx+6 : nr_tti_tx-4;
    LOG_D(PHY,"n1_pucch_UE: nr_tti_tx %d, nCCE %d\n",sf,ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[sf]);
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    if (SR == 0)
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      return(frame_parms->pucch_config_common.n1PUCCH_AN + ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[sf]);
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    else
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      return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
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  } else {
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    bundling_flag = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
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#ifdef DEBUG_PHY_PROC
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    if (bundling_flag==bundling) {
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      LOG_D(PHY,"[UE%d] Frame %d nr_tti_tx %d : get_n1_pucch, bundling, SR %d/%d\n",ue->Mod_id,proc->frame_tx,nr_tti_tx,SR,
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            ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
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    } else {
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      LOG_D(PHY,"[UE%d] Frame %d nr_tti_tx %d : get_n1_pucch, multiplexing, SR %d/%d\n",ue->Mod_id,proc->frame_tx,nr_tti_tx,SR,
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            ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
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    }
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#endif
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    switch (frame_parms->tdd_config) {
    case 1:  // DL:S:UL:UL:DL:DL:S:UL:UL:DL

      harq_ack0 = 2; // DTX
      M=1;
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      // This is the offset for a particular nr_tti_tx (2,3,4) => (0,2,4)
      if (nr_tti_tx == 2) {  // ACK nr_tti_txs 5,6
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        candidate_dl[0] = 6;
        candidate_dl[1] = 5;
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        M=2;
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      } else if (nr_tti_tx == 3) { // ACK nr_tti_tx 9
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        candidate_dl[0] = 9;
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      } else if (nr_tti_tx == 7) { // ACK nr_tti_txs 0,1
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        candidate_dl[0] = 1;
        candidate_dl[1] = 0;
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        M=2;
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      } else if (nr_tti_tx == 8) { // ACK nr_tti_txs 4
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        candidate_dl[0] = 4;
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      } else {
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        LOG_E(PHY,"[UE%d] : Frame %d phy_procedures_lte.c: get_n1pucch, illegal tx-nr_tti_tx %d for tdd_config %d\n",
              ue->Mod_id,proc->frame_tx,nr_tti_tx,frame_parms->tdd_config);
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        return(0);
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      }

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      // checking which downlink candidate is the last downlink with valid DL-DCI
      int k;
      for (k=0;k<M;k++) {
        if (harq_ack[candidate_dl[k]].send_harq_status>0) {
          last_dl = candidate_dl[k];
          break;
        }
      }
      if (last_dl >= 10) {
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        LOG_E(PHY,"[UE%d] : Frame %d phy_procedures_lte.c: get_n1pucch, illegal rx-nr_tti_tx %d (tx-nr_tti_tx %d) for tdd_config %d\n",
              ue->Mod_id,proc->frame_tx,last_dl,nr_tti_tx,frame_parms->tdd_config);
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        return (0);
      }

      LOG_D(PHY,"SFN/SF %d/%d calculating n1_pucch0 from last_dl=%d\n",
          proc->frame_tx%1024,
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          proc->nr_tti_tx,
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          last_dl);
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      // i=0
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      nCCE0 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[last_dl];
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      n1_pucch0 = get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
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      harq_ack0 = b[0];
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      if (harq_ack0!=2) {  // DTX
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        if (frame_parms->frame_type == FDD ) {
          if (SR == 0) {  // last paragraph pg 68 from 36.213 (v8.6), m=0
            b[0]=(M==2) ? 1-harq_ack0 : harq_ack0;
            b[1]=harq_ack0;   // in case we use pucch format 1b (subframes 2,7)
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          ue->pucch_sel[nr_tti_tx] = 0;
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            return(n1_pucch0);
          } else { // SR and only 0 or 1 ACKs (first 2 entries in Table 7.3-1 of 36.213)
            b[0]=harq_ack0;
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          return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
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          }
        } else {
          if (SR == 0) {
            b[0] = harq_ack0;
            b[1] = harq_ack0;
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            ue->pucch_sel[nr_tti_tx] = 0;
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            return(n1_pucch0);
          } else {
            b[0] = harq_ack0;
            b[1] = harq_ack0;
            return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
          }
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        }
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      }


      break;
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    case 3:  // DL:S:UL:UL:UL:DL:DL:DL:DL:DL
      // in this configuration we have M=2 from pg 68 of 36.213 (v8.6)
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      // Note: this doesn't allow using nr_tti_tx 1 for PDSCH transmission!!! (i.e. SF 1 cannot be acked in SF 2)
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      // set ACK/NAKs to DTX
      harq_ack1 = 2; // DTX
      harq_ack0 = 2; // DTX
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      // This is the offset for a particular nr_tti_rx (2,3,4) => (0,2,4)
      last_dl = (nr_tti_tx-2)<<1;
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      // i=0
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      nCCE0 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[5+last_dl];
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      n1_pucch0 = get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
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      // i=1
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      nCCE1 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[(6+last_dl)%10];
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      n1_pucch1 = get_Np(frame_parms->N_RB_DL,nCCE1,1) + nCCE1 + frame_parms->pucch_config_common.n1PUCCH_AN;
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      // set ACK/NAK to values if not DTX
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      if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(6+last_dl)%10].send_harq_status>0)  // n-6 // nr_tti_tx 6 is to be ACK/NAKed
        harq_ack1 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(6+last_dl)%10].ack;
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      if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[5+last_dl].send_harq_status>0)  // n-6 // nr_tti_tx 5 is to be ACK/NAKed
        harq_ack0 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[5+last_dl].ack;
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      LOG_D(PHY,"SFN/SF %d/%d calculating n1_pucch cce0=%d n1_pucch0=%d cce1=%d n1_pucch1=%d\n",
                                      proc->frame_tx%1024,
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                                      proc->nr_tti_tx,
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                                      nCCE0,n1_pucch0,
                                      nCCE1,n1_pucch1);
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      if (harq_ack1!=2) { // n-6 // nr_tti_tx 6,8,0 and maybe 5,7,9 is to be ACK/NAKed
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        if ((bundling_flag==bundling)&&(SR == 0)) {  // This is for bundling without SR,
          // n1_pucch index takes value of smallest element in set {0,1}
          // i.e. 0 if harq_ack0 is not DTX, otherwise 1
          b[0] = harq_ack1;

          if (harq_ack0!=2)
            b[0]=b[0]&harq_ack0;

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          ue->pucch_sel[nr_tti_tx] = 1;
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          return(n1_pucch1);

        } else if ((bundling_flag==multiplexing)&&(SR==0)) { // Table 10.1
          if (harq_ack0 == 2)
            harq_ack0 = 0;

          b[1] = harq_ack0;
          b[0] = (harq_ack0!=harq_ack1)?0:1;

          if ((harq_ack0 == 1) && (harq_ack1 == 0)) {
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            ue->pucch_sel[nr_tti_tx] = 0;
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            return(n1_pucch0);
          } else {
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            ue->pucch_sel[nr_tti_tx] = 1;
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            return(n1_pucch1);
          }
        } else if (SR==1) { // SR and 0,1,or 2 ACKS, (first 3 entries in Table 7.3-1 of 36.213)
          // this should be number of ACKs (including
          if (harq_ack0 == 2)
            harq_ack0 = 0;

          b[0]= harq_ack1 | harq_ack0;
          b[1]= harq_ack1 ^ harq_ack0;
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          return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
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        }
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      } else if (harq_ack0!=2) { // n-7  // nr_tti_tx 5,7,9 only is to be ACK/NAKed
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        if ((bundling_flag==bundling)&&(SR == 0)) {  // last paragraph pg 68 from 36.213 (v8.6), m=0
          b[0]=harq_ack0;
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          ue->pucch_sel[nr_tti_tx] = 0;
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          return(n1_pucch0);
        } else if ((bundling_flag==multiplexing)&&(SR==0)) { // Table 10.1 with i=1 set to DTX
          b[0] = harq_ack0;
          b[1] = 1-b[0];
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          ue->pucch_sel[nr_tti_tx] = 0;
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          return(n1_pucch0);
        } else if (SR==1) { // SR and only 0 or 1 ACKs (first 2 entries in Table 7.3-1 of 36.213)
          b[0]=harq_ack0;
          b[1]=b[0];
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          return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
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        }
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      }
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      break;

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    case 4:  // DL:S:UL:UL:DL:DL:DL:DL:DL:DL
          // in this configuration we have M=4 from pg 68 of 36.213 (v8.6)
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          // Note: this doesn't allow using nr_tti_tx 1 for PDSCH transmission!!! (i.e. SF 1 cannot be acked in SF 2)
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          // set ACK/NAKs to DTX
          harq_ack3 = 2; // DTX
          harq_ack2 = 2; // DTX
          harq_ack1 = 2; // DTX
          harq_ack0 = 2; // DTX
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          // This is the offset for a particular nr_tti_tx (2,3,4) => (0,2,4)
          //last_dl = (nr_tti_tx-2)<<1;
          if (nr_tti_tx == 2) {
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          // i=0
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          //nCCE0 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[2+nr_tti_tx];
          nCCE0 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[(8+nr_tti_tx)%10];
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          n1_pucch0 = 2*get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
          // i=1
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          nCCE1 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[2+nr_tti_tx];
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          n1_pucch1 = get_Np(frame_parms->N_RB_DL,nCCE1,0) + get_Np(frame_parms->N_RB_DL,nCCE1,1) + nCCE1 + frame_parms->pucch_config_common.n1PUCCH_AN;
          // i=2
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          nCCE2 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[(8+nr_tti_tx)%10];
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          n1_pucch2 = 2*get_Np(frame_parms->N_RB_DL,nCCE2,1) + nCCE2+ frame_parms->pucch_config_common.n1PUCCH_AN;
          // i=3
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          //nCCE3 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[(9+nr_tti_tx)%10];
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          //n1_pucch3 = get_Np(frame_parms->N_RB_DL,nCCE3,1) + nCCE3 + frame_parms->pucch_config_common.n1PUCCH_AN;

          // set ACK/NAK to values if not DTX
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(8+nr_tti_tx)%10].send_harq_status>0)  // n-6 // nr_tti_tx 6 is to be ACK/NAKed
            harq_ack0 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(8+nr_tti_tx)%10].ack;
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[2+nr_tti_tx].send_harq_status>0)  // n-6 // nr_tti_tx 5 is to be ACK/NAKed
            harq_ack1 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[2+nr_tti_tx].ack;
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[3+nr_tti_tx].send_harq_status>0)  // n-6 // nr_tti_tx 6 is to be ACK/NAKed
            harq_ack2 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[3+nr_tti_tx].ack;
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          //if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(9+nr_tti_tx)%10].send_harq_status>0)  // n-6 // nr_tti_tx 5 is to be ACK/NAKed
            //harq_ack3 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(9+nr_tti_tx)%10].ack;
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          //LOG_I(PHY,"SFN/SF %d/%d calculating n1_pucch cce0=%d n1_pucch0=%d cce1=%d n1_pucch1=%d cce2=%d n1_pucch2=%d\n",
          //                      proc->frame_tx%1024,
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          //                      proc->nr_tti_tx_tx,
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          //                      nCCE0,n1_pucch0,
          //                      nCCE1,n1_pucch1, nCCE2, n1_pucch2);
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          }else if (nr_tti_tx == 3) {
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          // i=0

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          nCCE0 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[4+nr_tti_tx];
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          n1_pucch0 = 3*get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
          // i=1
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          nCCE1 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[5+nr_tti_tx];
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          n1_pucch1 = 2*get_Np(frame_parms->N_RB_DL,nCCE1,0) + get_Np(frame_parms->N_RB_DL,nCCE1,1) + nCCE1 + frame_parms->pucch_config_common.n1PUCCH_AN;
          // i=2
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          nCCE2 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[(6+nr_tti_tx)];
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          n1_pucch2 = get_Np(frame_parms->N_RB_DL,nCCE2,0) + 2*get_Np(frame_parms->N_RB_DL,nCCE2,1) + nCCE2+ frame_parms->pucch_config_common.n1PUCCH_AN;
          // i=3
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          nCCE3 = ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->nCCE[(3+nr_tti_tx)];
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          n1_pucch3 = 3*get_Np(frame_parms->N_RB_DL,nCCE3,1) + nCCE3 + frame_parms->pucch_config_common.n1PUCCH_AN;

          // set ACK/NAK to values if not DTX
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[4+nr_tti_tx].send_harq_status>0)  // n-6 // nr_tti_tx 6 is to be ACK/NAKed
          harq_ack0 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[4+nr_tti_tx].ack;
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[5+nr_tti_tx].send_harq_status>0)  // n-6 // nr_tti_tx 5 is to be ACK/NAKed
          harq_ack1 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[5+nr_tti_tx].ack;
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(6+nr_tti_tx)].send_harq_status>0)  // n-6 // nr_tti_tx 6 is to be ACK/NAKed
          harq_ack2 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(6+nr_tti_tx)].ack;
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          if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(3+nr_tti_tx)].send_harq_status>0)  // n-6 // nr_tti_tx 5 is to be ACK/NAKed
          harq_ack3 = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack[(3+nr_tti_tx)].ack;
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          }

          //LOG_I(PHY,"SFN/SF %d/%d calculating n1_pucch cce0=%d n1_pucch0=%d harq_ack0=%d cce1=%d n1_pucch1=%d harq_ack1=%d cce2=%d n1_pucch2=%d harq_ack2=%d cce3=%d n1_pucch3=%d harq_ack3=%d bundling_flag=%d\n",
          //                                proc->frame_tx%1024,
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          //                                proc->nr_tti_tx,
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          //                                nCCE0,n1_pucch0,harq_ack0,
          //                                nCCE1,n1_pucch1,harq_ack1, nCCE2, n1_pucch2, harq_ack2,
          //                                nCCE3, n1_pucch3, harq_ack3, bundling_flag);

          if ((bundling_flag==bundling)&&(SR == 0)) {  // This is for bundling without SR,
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             b[0] = 1;
             ack_counter = 0;

             if ((harq_ack3!=2) ) {
                b[0] = b[0]&harq_ack3;
                n1_pucch_inter = n1_pucch3;
                ack_counter ++;
             }
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             if ((harq_ack0!=2) ) {
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                b[0] = b[0]&harq_ack0;
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                n1_pucch_inter = n1_pucch0;
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                ack_counter ++;
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             }
             if ((harq_ack1!=2) ) {
                b[0] = b[0]&harq_ack1;
                n1_pucch_inter = n1_pucch1;
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                ack_counter ++;
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             }
             if ((harq_ack2!=2) ) {
                b[0] = b[0]&harq_ack2;
                n1_pucch_inter = n1_pucch2;
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                ack_counter ++;
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             }

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             if (ack_counter == 0)
                 b[0] = 0;

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             /*if (nr_tti_tx == 3) {
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                n1_pucch_inter = n1_pucch2;
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             } else if (nr_tti_tx == 2) {
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                n1_pucch_inter = n1_pucch1;
             }*/
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             //LOG_I(PHY,"SFN/SF %d/%d calculating n1_pucch n1_pucch_inter=%d  b[0]=%d b[1]=%d \n",
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             //                                           proc->frame_tx%1024,
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             //                                           proc->nr_tti_tx,n1_pucch_inter,
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             //                                           b[0],b[1]);
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              return(n1_pucch_inter);

            } else if ((bundling_flag==multiplexing)&&(SR==0)) { // Table 10.1

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             if (nr_tti_tx == 3) {
                 LOG_I(PHY, "sbuframe=%d \n",nr_tti_tx);
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              if ((harq_ack0 == 1) && (harq_ack1 == 1) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
                b[0] = 1;
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                b[1] = 1;
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                return(n1_pucch1);
              } else if ((harq_ack0 == 1) && (harq_ack1 == 1) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
                b[0] = 1;
                b[1] = 0;
                return(n1_pucch1);
              } else if (((harq_ack0 == 0) || (harq_ack0 == 2)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 0) && (harq_ack3 == 2)) {
                b[0] = 1;
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                b[1] = 1;
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                return(n1_pucch2);
              } else if ((harq_ack0 == 1) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 1)) {
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                b[0] = 1;
                b[1] = 0;
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                return(n1_pucch1);
              } else if ((harq_ack0 == 0) && (harq_ack1 == 2) && (harq_ack2 == 2) && (harq_ack3 == 2)) {
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                b[0] = 1;
                b[1] = 0;
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                return(n1_pucch0);
              } else if ((harq_ack0 == 1) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
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                b[0] = 1;
                b[1] = 0;
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                return(n1_pucch1);
              } else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch3);
              } else if (((harq_ack0 == 0) || (harq_ack0 == 2)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 0)) {
                b[0] = 1;
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                b[1] = 1;
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                return(n1_pucch3);
              } else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch2);
              } else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 1)) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch0);
              } else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch0);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch3);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 0) && (harq_ack2 == 2) && (harq_ack3 == 2)) {
                b[0] = 0;
                b[1] = 0;
                return(n1_pucch1);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
                b[0] = 1;
                b[1] = 0;
                return(n1_pucch2);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 1)) {
                b[0] = 1;
                b[1] = 0;
                return(n1_pucch3);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch1);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
                b[0] = 0;
                b[1] = 1;
                return(n1_pucch3);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
                b[0] = 0;
                b[1] = 0;
                return(n1_pucch2);
              } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack3 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
                b[0] = 0;
                b[1] = 0;
                return(n1_pucch3);
                }
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             } else if (nr_tti_tx == 2) {
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                if ((harq_ack0 == 1) && (harq_ack1 == 1) && (harq_ack2 == 1)) {
                 b[0] = 1;
                 b[1] = 1;
                 return(n1_pucch2);
               } else if ((harq_ack0 == 1) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
                 b[0] = 1;
                 b[1] = 1;
                 return(n1_pucch1);
               } else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1)) {
                 b[0] = 1;
                 b[1] = 1;
                 return(n1_pucch0);
               } else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
                 b[0] = 0;
                 b[1] = 1;
                 return(n1_pucch0);
               } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && (harq_ack2 == 1)) {
                 b[0] = 1;
                 b[1] = 0;
                 return(n1_pucch2);
               } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
                 b[1] = 0;
                 b[0] = 0;
                 return(n1_pucch1);
               } else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1)) {
                 b[0] = 0;
                 b[1] = 0;
                 return(n1_pucch2);
               } else if ((harq_ack0 == 2) && (harq_ack1 == 2) && (harq_ack2 == 0)) {
                 b[0] = 0;
                 b[1] = 1;
                 return(n1_pucch2);
               } else if ((harq_ack0 == 2) && (harq_ack1 == 0) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
                 b[0] = 1;
                 b[1] = 0;
                 return(n1_pucch1);
               } else if ((harq_ack0 == 0) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
                 b[0] = 1;
                 b[1] = 0;
                 return(n1_pucch0);
               }
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             }
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            } else if (SR==1) { // SR and 0,1,or 2 ACKS, (first 3 entries in Table 7.3-1 of 36.213)
              // this should be number of ACKs (including
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              ack_counter = 0;
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              if (harq_ack0==1)
                 ack_counter ++;
              if (harq_ack1==1)
                 ack_counter ++;
              if (harq_ack2==1)
                 ack_counter ++;
              if (harq_ack3==1)
                 ack_counter ++;

            switch (ack_counter) {
               case 0:
                 b[0] = 0;
                 b[1] = 0;
               break;

               case 1:
                 b[0] = 1;
                 b[1] = 1;
               break;

               case 2:
                 b[0] = 1;
                 b[1] = 0;
               break;

               case 3:
                 b[0] = 0;
                 b[1] = 1;
               break;

               case 4:
                 b[0] = 1;
                 b[1] = 1;
               break;
            }

            ack_counter = 0;
            return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
          }

          break;

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    }  // switch tdd_config
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  }
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  LOG_E(PHY,"[UE%d] : Frame %d phy_procedures_lte.c: get_n1pucch, exit without proper return\n", ue->Mod_id, proc->frame_tx);
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  return(-1);
}


#ifdef EMOS
/*
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  void phy_procedures_emos_UE_TX(uint8_t next_slot,uint8_t eNB_id) {
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  uint8_t harq_pid;
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  if (next_slot%2==0) {
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  // get harq_pid from nr_tti_tx relationship
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  harq_pid = subframe2harq_pid(&ue->frame_parms,ue->frame,(next_slot>>1));
  if (harq_pid==255) {
  LOG_E(PHY,"[UE%d] Frame %d : FATAL ERROR: illegal harq_pid, returning\n",
  0,ue->frame);
  return;
  }
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  if (ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag == 1) {
  emos_dump_UE.uci_cnt[next_slot>>1] = 1;
  memcpy(emos_dump_UE.UCI_data[0][next_slot>>1].o,ulsch[eNB_id]->o,MAX_CQI_BITS*sizeof(char));
  emos_dump_UE.UCI_data[0][next_slot>>1].O = ulsch[eNB_id]->O;
  memcpy(emos_dump_UE.UCI_data[0][next_slot>>1].o_RI,ulsch[eNB_id]->o_RI,2*sizeof(char));
  emos_dump_UE.UCI_data[0][next_slot>>1].O_RI = ulsch[eNB_id]->O_RI;
  memcpy(emos_dump_UE.UCI_data[0][next_slot>>1].o_ACK,ulsch[eNB_id]->o_ACK,4*sizeof(char));
  emos_dump_UE.UCI_data[0][next_slot>>1].O_ACK = ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK;
  }
  else {
  emos_dump_UE.uci_cnt[next_slot>>1] = 0;
  }
  }
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  }
*/
#endif

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void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empty_subframe) {
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  int aa;
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  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
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  int nsymb;
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  int nr_tti_tx = proc->nr_tti_tx;
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  int frame_tx = proc->frame_tx;
  int ulsch_start;
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  int overflow=0;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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  int k,l;
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  int dummy_tx_buffer[frame_parms->samples_per_subframe] __attribute__((aligned(16)));
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#endif

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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_ULSCH_COMMON,VCD_FUNCTION_IN);
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#if UE_TIMING_TRACE
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  start_meas(&ue->ofdm_mod_stats);
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#endif
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  nsymb = (frame_parms->Ncp == 0) ? 14 : 12;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)//this is the EXPRESS MIMO case
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  ulsch_start = (ue->rx_offset+nr_tti_tx*frame_parms->samples_per_subframe-
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         ue->hw_timing_advance-
         ue->timing_advance-
         ue->N_TA_offset+5);
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  //LOG_E(PHY,"ul-signal [nr_tti_rx: %d, ulsch_start %d]\n",nr_tti_tx, ulsch_start);
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  if(ulsch_start < 0)
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      ulsch_start = ulsch_start + (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe);
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  if (ulsch_start > (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe))
      ulsch_start = ulsch_start % (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe);
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  //LOG_E(PHY,"ul-signal [nr_tti_rx: %d, ulsch_start %d]\n",nr_tti_tx, ulsch_start);
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#else //this is the normal case
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  ulsch_start = (frame_parms->samples_per_subframe*nr_tti_tx)-ue->N_TA_offset; //-ue->timing_advance;
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#endif //else EXMIMO
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//#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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  if (empty_subframe)
  {
//#if 1
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      overflow = ulsch_start - 9*frame_parms->samples_per_subframe;
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      for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {

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          if (overflow > 0)
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     {
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       memset(&ue->common_vars.txdata[aa][ulsch_start],0,4*(frame_parms->samples_per_subframe-overflow));
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       memset(&ue->common_vars.txdata[aa][0],0,4*overflow);
     }
     else
     {
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       memset(&ue->common_vars.txdata[aa][ulsch_start],0,4*frame_parms->samples_per_subframe);
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     }
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      }
/*#else
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      overflow = ulsch_start - 9*frame_parms->samples_per_subframe;
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      for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
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          for (k=ulsch_start; k<cmin(frame_parms->samples_per_subframe*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,ulsch_start+frame_parms->samples_per_subframe); k++) {
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              ((short*)ue->common_vars.txdata[aa])[2*k] = 0;
              ((short*)ue->common_vars.txdata[aa])[2*k+1] = 0;
          }

          for (k=0; k<overflow; k++) {
              ((short*)ue->common_vars.txdata[aa])[2*k] = 0;
              ((short*)ue->common_vars.txdata[aa])[2*k+1] = 0;
          }
      }
#endif*/
      return;
  }
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//#endif
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  if ((frame_tx%100) == 0)
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    LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: ulsch_start = %d (rxoff %d, HW TA %d, timing advance %d, TA_offset %d\n",
    ue->Mod_id,frame_tx,nr_tti_tx,
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    ulsch_start,
    ue->rx_offset,
    ue->hw_timing_advance,
    ue->timing_advance,
    ue->N_TA_offset);


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  for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
    if (frame_parms->Ncp == 1)
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      PHY_ofdm_mod(&ue->common_vars.txdataF[aa][nr_tti_tx*nsymb*frame_parms->ofdm_symbol_size],
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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       dummy_tx_buffer,
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#else
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       &ue->common_vars.txdata[aa][ulsch_start],
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#endif
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       frame_parms->ofdm_symbol_size,
       nsymb,
       frame_parms->nb_prefix_samples,
       CYCLIC_PREFIX);
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    else
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      normal_prefix_mod(&ue->common_vars.txdataF[aa][nr_tti_tx*nsymb*frame_parms->ofdm_symbol_size],
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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      dummy_tx_buffer,
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#else
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      &ue->common_vars.txdata[aa][ulsch_start],
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#endif
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      nsymb,
      &ue->frame_parms);


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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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    apply_7_5_kHz(ue,dummy_tx_buffer,0);
    apply_7_5_kHz(ue,dummy_tx_buffer,1);
#else
    apply_7_5_kHz(ue,&ue->common_vars.txdata[aa][ulsch_start],0);
    apply_7_5_kHz(ue,&ue->common_vars.txdata[aa][ulsch_start],1);
#endif
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1354
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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    overflow = ulsch_start - 9*frame_parms->samples_per_subframe;
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    for (k=ulsch_start,l=0; k<cmin(frame_parms->samples_per_subframe*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,ulsch_start+frame_parms->samples_per_subframe); k++,l++) {
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      ((short*)ue->common_vars.txdata[aa])[2*k] = ((short*)dummy_tx_buffer)[2*l]<<4;
      ((short*)ue->common_vars.txdata[aa])[2*k+1] = ((short*)dummy_tx_buffer)[2*l+1]<<4;
    }
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    for (k=0; k<overflow; k++,l++) {
      ((short*)ue->common_vars.txdata[aa])[2*k] = ((short*)dummy_tx_buffer)[2*l]<<4;
      ((short*)ue->common_vars.txdata[aa])[2*k+1] = ((short*)dummy_tx_buffer)[2*l+1]<<4;
    }
#if defined(EXMIMO)
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    // handle switch before 1st TX nr_tti_rx, guarantee that the slot prior to transmission is switch on
1369
    for (k=ulsch_start - (frame_parms->samples_per_subframe>>1) ; k<ulsch_start ; k++) {
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      if (k<0)
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  ue->common_vars.txdata[aa][k+frame_parms->samples_per_subframe*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME] &= 0xFFFEFFFE;
      else if (k>(frame_parms->samples_per_subframe*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME))
  ue->common_vars.txdata[aa][k-frame_parms->samples_per_subframe*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME] &= 0xFFFEFFFE;
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      else
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  ue->common_vars.txdata[aa][k] &= 0xFFFEFFFE;
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    }
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#endif
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#endif
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    /*
    only for debug
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    LOG_I(PHY,"ul-signal [nr_tti_rx: %d, ulsch_start %d, TA: %d, rxOffset: %d, timing_advance: %d, hw_timing_advance: %d]\n",nr_tti_tx, ulsch_start, ue->N_TA_offset, ue->rx_offset, ue->timing_advance, ue->hw_timing_advance);
    if( (crash == 1) && (nr_tti_tx == 0) )
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    {
      LOG_E(PHY,"***** DUMP TX Signal [ulsch_start %d] *****\n",ulsch_start);
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      write_output("txBuff.m","txSignal",&ue->common_vars.txdata[aa][ulsch_start],frame_parms->samples_per_subframe,1,1);
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    }
    */
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  } //nb_antennas_tx
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#if UE_TIMING_TRACE
      stop_meas(&ue->ofdm_mod_stats);
#endif
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_ULSCH_COMMON,VCD_FUNCTION_OUT);
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}
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void ue_prach_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,runmode_t mode) {
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1401
  int frame_tx = proc->frame_tx;
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  int nr_tti_tx = proc->nr_tti_tx;
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  int prach_power;
  PRACH_RESOURCES_t prach_resources_local;
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_PRACH, VCD_FUNCTION_IN);

1408
  ue->generate_prach=0;
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  if (ue->mac_enabled==0){
    ue->prach_resources[eNB_id] = &prach_resources_local;
    prach_resources_local.ra_RNTI = 0xbeef;
    prach_resources_local.ra_PreambleIndex = 0;
  }
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  if (ue->mac_enabled==1){
    // ask L2 for RACH transport
    if ((mode != rx_calib_ue) && (mode != rx_calib_ue_med) && (mode != rx_calib_ue_byp) && (mode != no_L2_connect) ) {
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      LOG_D(PHY,"Getting PRACH resources\n");
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      ue->prach_resources[eNB_id] = mac_xface->ue_get_rach(ue->Mod_id,
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                 ue->CC_id,
                 frame_tx,
                 eNB_id,
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                 nr_tti_tx);
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      LOG_D(PHY,"Got prach_resources for eNB %d address %p, RRCCommon %p\n",eNB_id,ue->prach_resources[eNB_id],UE_mac_inst[ue->Mod_id].radioResourceConfigCommon);
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      LOG_D(PHY,"Prach resources %p\n",ue->prach_resources[eNB_id]);
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    }
  }
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  if (ue->prach_resources[eNB_id]!=NULL) {
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    ue->generate_prach=1;
    ue->prach_cnt=0;
#ifdef SMBV
    ue->prach_resources[eNB_id]->ra_PreambleIndex = 19;
#endif
#ifdef OAI_EMU
    ue->prach_PreambleIndex=ue->prach_resources[eNB_id]->ra_PreambleIndex;
#endif
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    if (abstraction_flag == 0) {
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      LOG_I(PHY,"mode %d\n",mode);
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      if ((ue->mac_enabled==1) && (mode != calib_prach_tx)) {
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  ue->tx_power_dBm[nr_tti_tx] = ue->prach_resources[eNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER+get_PL(ue->Mod_id,ue->CC_id,eNB_id);
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      }
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      else {
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  ue->tx_power_dBm[nr_tti_tx] = ue->tx_power_max_dBm;
1450
  ue->prach_resources[eNB_id]->ra_PreambleIndex = 19;
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      }
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      LOG_I(PHY,"[UE  %d][RAPROC] Frame %d, nr_tti_rx %d : Generating PRACH, preamble %d,PL %d,  P0_PRACH %d, TARGET_RECEIVED_POWER %d dBm, PRACH TDD Resource index %d, RA-RNTI %d\n",
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      ue->Mod_id,
      frame_tx,
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      nr_tti_tx,
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      ue->prach_resources[eNB_id]->ra_PreambleIndex,
    get_PL(ue->Mod_id,ue->CC_id,eNB_id),
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    ue->tx_power_dBm[nr_tti_tx],
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      ue->prach_resources[eNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER,
      ue->prach_resources[eNB_id]->ra_TDD_map_index,
      ue->prach_resources[eNB_id]->ra_RNTI);
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      ue->tx_total_RE[nr_tti_tx] = 96;
1465

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1466
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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      ue->prach_vars[eNB_id]->amp = get_tx_amp(ue->tx_power_dBm[nr_tti_tx],
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                 ue->tx_power_max_dBm,
                 ue->frame_parms.N_RB_UL,
                 6);
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#else
      ue->prach_vars[eNB_id]->amp = AMP;
#endif
      if ((mode == calib_prach_tx) && (((proc->frame_tx&0xfffe)%100)==0))
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  LOG_D(PHY,"[UE  %d][RAPROC] Frame %d, nr_tti_rx %d : PRACH TX power %d dBm, amp %d\n",
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        ue->Mod_id,
        proc->frame_rx,
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        proc->nr_tti_tx,
        ue->tx_power_dBm[nr_tti_tx],
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        ue->prach_vars[eNB_id]->amp);


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      //      start_meas(&ue->tx_prach);
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_IN);
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      prach_power = generate_prach(ue,eNB_id,nr_tti_tx,frame_tx);
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      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_OUT);
      //      stop_meas(&ue->tx_prach);
      LOG_D(PHY,"[UE  %d][RAPROC] PRACH PL %d dB, power %d dBm, digital power %d dB (amp %d)\n",
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      ue->Mod_id,
      get_PL(ue->Mod_id,ue->CC_id,eNB_id),
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      ue->tx_power_dBm[nr_tti_tx],
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      dB_fixed(prach_power),
      ue->prach_vars[eNB_id]->amp);
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    } else {
      UE_transport_info[ue->Mod_id][ue->CC_id].cntl.prach_flag=1;
      UE_transport_info[ue->Mod_id][ue->CC_id].cntl.prach_id=ue->prach_resources[eNB_id]->ra_PreambleIndex;
    }
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    if (ue->mac_enabled==1){
      mac_xface->Msg1_transmitted(ue->Mod_id,
          ue->CC_id,
          frame_tx,
          eNB_id);
    }

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    LOG_I(PHY,"[UE  %d][RAPROC] Frame %d, nr_tti_rx %d: Generating PRACH (eNB %d) preamble index %d for UL, TX power %d dBm (PL %d dB), l3msg \n",
    ue->Mod_id,frame_tx,nr_tti_tx,eNB_id,
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    ue->prach_resources[eNB_id]->ra_PreambleIndex,
    ue->prach_resources[eNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER+get_PL(ue->Mod_id,ue->CC_id,eNB_id),
    get_PL(ue->Mod_id,ue->CC_id,eNB_id));

  }

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  // if we're calibrating the PRACH kill the pointer to its resources so that the RA protocol doesn't continue
  if (mode == calib_prach_tx)
    ue->prach_resources[eNB_id]=NULL;
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  LOG_D(PHY,"[UE %d] frame %d nr_tti_rx %d : generate_prach %d, prach_cnt %d\n",
  ue->Mod_id,frame_tx,nr_tti_tx,ue->generate_prach,ue->prach_cnt);
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  ue->prach_cnt++;
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  if (ue->prach_cnt==3)
    ue->generate_prach=0;
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_PRACH, VCD_FUNCTION_OUT);
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}
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void ue_ulsch_uespec_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag) {
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  int harq_pid;
  int frame_tx=proc->frame_tx;
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  int nr_tti_tx=proc->nr_tti_tx;
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  int Mod_id = ue->Mod_id;
  int CC_id = ue->CC_id;
  uint8_t Msg3_flag=0;
  uint16_t first_rb, nb_rb;
  unsigned int input_buffer_length;
  int i;
  int aa;
  int tx_amp;
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  uint8_t ulsch_input_buffer[5477] __attribute__ ((aligned(32)));
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  uint8_t access_mode;
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  uint8_t Nbundled=0;
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  uint8_t NbundledCw1=0;
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  uint8_t ack_status_cw0=0;
  uint8_t ack_status_cw1=0;
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  uint8_t cqi_status = 0;
  uint8_t ri_status  = 0;
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_ULSCH_UESPEC,VCD_FUNCTION_IN);

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  // get harq_pid from nr_tti_rx relationship
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  harq_pid = subframe2harq_pid(&ue->frame_parms,
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             frame_tx,
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             nr_tti_tx);
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  if (ue->mac_enabled == 1) {
    if ((ue->ulsch_Msg3_active[eNB_id] == 1) &&
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  (ue->ulsch_Msg3_frame[eNB_id] == frame_tx) &&
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  (ue->ulsch_Msg3_subframe[eNB_id] == nr_tti_tx)) { // Initial Transmission of Msg3
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      ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 1;
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      if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->round==0)
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  generate_ue_ulsch_params_from_rar(ue,
            proc,
            eNB_id);

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      ue->ulsch[eNB_id]->power_offset = 14;
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      LOG_D(PHY,"[UE  %d][RAPROC] Frame %d: Setting Msg3_flag in nr_tti_rx %d, for harq_pid %d\n",
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      Mod_id,
      frame_tx,
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      nr_tti_tx,
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      harq_pid);
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      Msg3_flag = 1;
    } else {
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      if (harq_pid==255) {
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	LOG_E(PHY,"[UE%d] Frame %d nr_tti_rx %d ulsch_decoding.c: FATAL ERROR: illegal harq_pid, returning\n",
	      Mod_id,frame_tx, nr_tti_tx);
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	mac_xface->macphy_exit("Error in ulsch_decoding");
	VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX, VCD_FUNCTION_OUT);
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#if UE_TIMING_TRACE
    stop_meas(&ue->phy_proc_tx);
#endif
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	return;
      }
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      Msg3_flag=0;
    }
  }
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  if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag == 1) {

    uint8_t isBad = 0;
    if (ue->frame_parms.N_RB_UL <= ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb) {
      LOG_D(PHY,"Invalid PUSCH first_RB=%d for N_RB_UL=%d\n",
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb,
          ue->frame_parms.N_RB_UL);
      isBad = 1;
    }
    if (ue->frame_parms.N_RB_UL < ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb) {
      LOG_D(PHY,"Invalid PUSCH num_RB=%d for N_RB_UL=%d\n",
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb,
          ue->frame_parms.N_RB_UL);
      isBad = 1;
    }
    if (0 > ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb) {
      LOG_D(PHY,"Invalid PUSCH first_RB=%d\n",
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb);
      isBad = 1;
    }
    if (0 >= ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb) {
      LOG_D(PHY,"Invalid PUSCH num_RB=%d\n",
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb);
      isBad = 1;
    }
    if (ue->frame_parms.N_RB_UL < (ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb + ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb)) {
      LOG_D(PHY,"Invalid PUSCH num_RB=%d + first_RB=%d for N_RB_UL=%d\n",
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb,
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb,
          ue->frame_parms.N_RB_UL);
      isBad = 1;
    }
    if ((0 > ue->ulsch[eNB_id]->harq_processes[harq_pid]->rvidx) ||
        (3 < ue->ulsch[eNB_id]->harq_processes[harq_pid]->rvidx)) {
      LOG_D(PHY,"Invalid PUSCH RV index=%d\n", ue->ulsch[eNB_id]->harq_processes[harq_pid]->rvidx);
      isBad = 1;
    }

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    if (20 < ue->ulsch[eNB_id]->harq_processes[harq_pid]->mcs) {
       LOG_D(PHY,"Not supported MCS in OAI mcs=%d\n", ue->ulsch[eNB_id]->harq_processes[harq_pid]->mcs);
       isBad = 1;
    }

1638
    if (isBad) {
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      LOG_I(PHY,"Skip PUSCH generation!\n");
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      ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 0;
    }
  }
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  if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag == 1) {
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    ue->generate_ul_signal[eNB_id] = 1;
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    // deactivate service request
1648
    // ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 0;
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    LOG_D(PHY,"Generating PUSCH (Abssubframe: %d.%d): harq-Id: %d, round: %d, MaxReTrans: %d \n",frame_tx,nr_tti_tx,harq_pid,ue->ulsch[eNB_id]->harq_processes[harq_pid]->round,ue->ulsch[eNB_id]->Mlimit);
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    if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->round >= (ue->ulsch[eNB_id]->Mlimit - 1))
1651
    {
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        LOG_D(PHY,"PUSCH MAX Retransmission achieved ==> send last pusch\n");
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        ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 0;
        ue->ulsch[eNB_id]->harq_processes[harq_pid]->round  = 0;
    }
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    ack_status_cw0 = reset_ack(&ue->frame_parms,
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            ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack,
            nr_tti_tx,
            proc->nr_tti_rx,
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            ue->ulsch[eNB_id]->o_ACK,
            &Nbundled,
            0);
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    ack_status_cw1 = reset_ack(&ue->frame_parms,
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            ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][1]->harq_ack,
            nr_tti_tx,
            proc->nr_tti_rx,
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            ue->ulsch[eNB_id]->o_ACK,
            &NbundledCw1,
            1);

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    //Nbundled = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack;
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    //ue->ulsch[eNB_id]->bundling = Nbundled;
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    first_rb = ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb;
    nb_rb = ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb;
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    // check Periodic CQI/RI reporting
    cqi_status = ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex>0)&&
        (is_cqi_TXOp(ue,proc,eNB_id)==1));

    ri_status = ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex>0) &&
             (is_ri_TXOp(ue,proc,eNB_id)==1));
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    // compute CQI/RI resources
    compute_cqi_ri_resources(ue, ue->ulsch[eNB_id], eNB_id, ue->ulsch[eNB_id]->rnti, P_RNTI, CBA_RNTI, cqi_status, ri_status);

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    if (ack_status_cw0 > 0) {
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      // check if we received a PDSCH at nr_tti_tx - 4
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      // ==> send ACK/NACK on PUSCH
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      if (ue->frame_parms.frame_type == FDD)
      {
        ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK = ack_status_cw0 + ack_status_cw1;
      }

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#if T_TRACER
    if(ue->ulsch[eNB_id]->o_ACK[0])
    {
    	LOG_I(PHY,"PUSCH ACK\n");
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        T(T_UE_PHY_DLSCH_UE_ACK, T_INT(eNB_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx), T_INT(Mod_id), T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti),
                      T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->current_harq_pid));
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    }
    else
    {
    	LOG_I(PHY,"PUSCH NACK\n");
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        T(T_UE_PHY_DLSCH_UE_NACK, T_INT(eNB_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx), T_INT(Mod_id), T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti),
                      T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->current_harq_pid));
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    }
#endif
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#ifdef UE_DEBUG_TRACE
      LOG_I(PHY,"[UE  %d][PDSCH %x] AbsSubFrame %d.%d Generating ACK (%d,%d) for %d bits on PUSCH\n",
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        Mod_id,
        ue->ulsch[eNB_id]->rnti,
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        frame_tx%1024,nr_tti_tx,
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        ue->ulsch[eNB_id]->o_ACK[0],ue->ulsch[eNB_id]->o_ACK[1],
        ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK);
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#endif
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    }

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    //#ifdef UE_DEBUG_TRACE
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        LOG_I(PHY,
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              "[UE  %d][PUSCH %d] AbsSubframe %d.%d Generating PUSCH : first_rb %d, nb_rb %d, round %d, mcs %d, tbs %d, rv %d, "
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              "cyclic_shift %d (cyclic_shift_common %d,n_DMRS2 %d,n_PRS %d), ACK (%d,%d), O_ACK %d, ack_status_cw0 %d ack_status_cw1 %d bundling %d, Nbundled %d, CQI %d, RI %d\n",
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          Mod_id,harq_pid,frame_tx%1024,nr_tti_tx,
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          first_rb,nb_rb,
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->round,
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->mcs,
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	      ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS,
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          ue->ulsch[eNB_id]->harq_processes[harq_pid]->rvidx,
          (ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift+
           ue->ulsch[eNB_id]->harq_processes[harq_pid]->n_DMRS2+
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           ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[nr_tti_tx<<1])%12,
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          ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift,
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->n_DMRS2,
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          ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[nr_tti_tx<<1],
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          ue->ulsch[eNB_id]->o_ACK[0],ue->ulsch[eNB_id]->o_ACK[1],
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK,
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          ack_status_cw0,
          ack_status_cw1,
          ue->ulsch[eNB_id]->bundling, Nbundled,
          cqi_status,
          ri_status);
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	//#endif
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1752
    if (Msg3_flag == 1) {
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      LOG_I(PHY,"[UE  %d][RAPROC] Frame %d, nr_tti_rx %d Generating (RRCConnectionRequest) Msg3 (nb_rb %d, first_rb %d, round %d, rvidx %d) Msg3: %x.%x.%x|%x.%x.%x.%x.%x.%x\n",Mod_id,frame_tx,
	    nr_tti_tx,
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	    ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb,
	    ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb,
	    ue->ulsch[eNB_id]->harq_processes[harq_pid]->round,
	    ue->ulsch[eNB_id]->harq_processes[harq_pid]->rvidx,
	    ue->prach_resources[eNB_id]->Msg3[0],
	    ue->prach_resources[eNB_id]->Msg3[1],
	    ue->prach_resources[eNB_id]->Msg3[2],
	    ue->prach_resources[eNB_id]->Msg3[3],
	    ue->prach_resources[eNB_id]->Msg3[4],
	    ue->prach_resources[eNB_id]->Msg3[5],
	    ue->prach_resources[eNB_id]->Msg3[6],
	    ue->prach_resources[eNB_id]->Msg3[7],
	    ue->prach_resources[eNB_id]->Msg3[8]);
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#if UE_TIMING_TRACE
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      start_meas(&ue->ulsch_encoding_stats);
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#endif
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      if (abstraction_flag==0) {
	if (ulsch_encoding(ue->prach_resources[eNB_id]->Msg3,
			   ue,
			   harq_pid,
			   eNB_id,
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			   proc->nr_tti_rx,
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			   ue->transmission_mode[eNB_id],0,0)!=0) {
	  LOG_E(PHY,"ulsch_coding.c: FATAL ERROR: returning\n");
	  mac_xface->macphy_exit("Error in ulsch_coding");
	  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX, VCD_FUNCTION_OUT);
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#if UE_TIMING_TRACE
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	  stop_meas(&ue->phy_proc_tx);
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	  printf("------FULL TX PROC : %5.2f ------\n",ue->phy_proc_tx.p_time/(cpuf*1000.0));
#endif
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	  return;
	}
      }
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#ifdef PHY_ABSTRACTION
1791
      else {
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        ulsch_encoding_emul(ue->prach_resources[eNB_id]->Msg3,ue,eNB_id,proc->nr_tti_rx,harq_pid,0);
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      }
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#endif
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#if UE_TIMING_TRACE
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      stop_meas(&ue->ulsch_encoding_stats);
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#endif
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      if (ue->mac_enabled == 1) {
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  // signal MAC that Msg3 was sent
  mac_xface->Msg3_transmitted(Mod_id,
            CC_id,
            frame_tx,
            eNB_id);
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      }
    } // Msg3_flag==1
    else {
      input_buffer_length = ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS/8;
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      if (ue->mac_enabled==1) {
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  //  LOG_D(PHY,"[UE  %d] ULSCH : Searching for MAC SDUs\n",Mod_id);
  if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->round==0) {
    //if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->calibration_flag == 0) {
    access_mode=SCHEDULED_ACCESS;
    mac_xface->ue_get_sdu(Mod_id,
        CC_id,
        frame_tx,
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        proc->subframe_tx,
        nr_tti_tx%(ue->frame_parms.ttis_per_subframe),
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        eNB_id,
        ulsch_input_buffer,
        input_buffer_length,
        &access_mode);
  }

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#ifdef DEBUG_PHY_PROC
#ifdef DEBUG_ULSCH
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  LOG_D(PHY,"[UE] Frame %d, nr_tti_rx %d : ULSCH SDU (TX harq_pid %d)  (%d bytes) : \n",frame_tx,nr_tti_tx,harq_pid, ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS>>3);
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  for (i=0; i<ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS>>3; i++)
    LOG_T(PHY,"%x.",ulsch_input_buffer[i]);

  LOG_T(PHY,"\n");
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#endif
#endif
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      }
      else {
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  unsigned int taus(void);

  for (i=0; i<input_buffer_length; i++)
    ulsch_input_buffer[i]= (uint8_t)(taus()&0xff);

1844
      }
1845

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#if UE_TIMING_TRACE
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      start_meas(&ue->ulsch_encoding_stats);
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#endif
1849
      if (abstraction_flag==0) {
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	if (ulsch_encoding(ulsch_input_buffer,
			   ue,
			   harq_pid,
			   eNB_id,
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			   proc->nr_tti_rx,
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         ue->transmission_mode[eNB_id],0,
         Nbundled)!=0) {
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	  LOG_E(PHY,"ulsch_coding.c: FATAL ERROR: returning\n");
	  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX, VCD_FUNCTION_OUT);
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#if UE_TIMING_TRACE
      stop_meas(&ue->phy_proc_tx);
#endif
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	  return;
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	}
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      }
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#ifdef PHY_ABSTRACTION
1868
      else {
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        ulsch_encoding_emul(ulsch_input_buffer,ue,eNB_id,proc->nr_tti_rx,harq_pid,0);
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      }
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#endif
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#if UE_TIMING_TRACE
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      stop_meas(&ue->ulsch_encoding_stats);
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#endif
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    }
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    if (abstraction_flag == 0) {
      if (ue->mac_enabled==1) {
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  pusch_power_cntl(ue,proc,eNB_id,1, abstraction_flag);
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  ue->tx_power_dBm[nr_tti_tx] = ue->ulsch[eNB_id]->Po_PUSCH;
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      }
      else {
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  ue->tx_power_dBm[nr_tti_tx] = ue->tx_power_max_dBm;
1885
      }
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      ue->tx_total_RE[nr_tti_tx] = nb_rb*12;
1887

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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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      tx_amp = get_tx_amp(ue->tx_power_dBm[nr_tti_tx],
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        ue->tx_power_max_dBm,
        ue->frame_parms.N_RB_UL,
        nb_rb);
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#else
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      tx_amp = AMP;
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#endif
#if T_TRACER
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      T(T_UE_PHY_PUSCH_TX_POWER, T_INT(eNB_id),T_INT(Mod_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx),T_INT(ue->tx_power_dBm[nr_tti_tx]),
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                    T_INT(tx_amp),T_INT(ue->ulsch[eNB_id]->f_pusch),T_INT(get_PL(Mod_id,0,eNB_id)),T_INT(nb_rb));
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#endif
1900

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#ifdef UE_DEBUG_TRACE
      LOG_I(PHY,"[UE  %d][PUSCH %d] AbsSubFrame %d.%d, generating PUSCH, Po_PUSCH: %d dBm (max %d dBm), amp %d\n",
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	    Mod_id,harq_pid,frame_tx%1024,nr_tti_tx,ue->tx_power_dBm[nr_tti_tx],ue->tx_power_max_dBm, tx_amp);
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#endif
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      if (tx_amp>100)
	tx_amp =100;

      //LOG_I(PHY,"[UE  %d][PUSCH %d] after AbsSubFrame %d.%d, generating PUSCH, Po_PUSCH: %d dBm (max %d dBm), amp %d\n",
	//    Mod_id,harq_pid,frame_tx%1024,nr_tti_tx,ue->tx_power_dBm[nr_tti_tx],ue->tx_power_max_dBm, tx_amp);

      
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#if UE_TIMING_TRACE
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      start_meas(&ue->ulsch_modulation_stats);
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#endif
1917
      ulsch_modulation(ue->common_vars.txdataF,
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           tx_amp,
           frame_tx,
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           nr_tti_tx,
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           &ue->frame_parms,
           ue->ulsch[eNB_id]);
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      for (aa=0; aa<1/*frame_parms->nb_antennas_tx*/; aa++)
	generate_drs_pusch(ue,
			   proc,
			   eNB_id,
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			   tx_amp,
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			   nr_tti_tx,
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			   first_rb,
			   nb_rb,
			   aa);
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#if UE_TIMING_TRACE
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      stop_meas(&ue->ulsch_modulation_stats);
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#endif
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    }
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    if (abstraction_flag==1) {
      // clear SR
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      ue->sr[nr_tti_tx]=0;
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    }
  } // subframe_scheduling_flag==1
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_ULSCH_UESPEC,VCD_FUNCTION_OUT);

1945
}
1946

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void ue_srs_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag)
{

  //LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
  //int8_t  frame_tx    = proc->frame_tx;
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  int8_t  nr_tti_tx = proc->nr_tti_tx;
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  int16_t tx_amp;
  int16_t Po_SRS;
  uint8_t nb_rb_srs;

  SOUNDINGRS_UL_CONFIG_DEDICATED *pSoundingrs_ul_config_dedicated=&ue->soundingrs_ul_config_dedicated[eNB_id];
  uint8_t isSrsTxOccasion = pSoundingrs_ul_config_dedicated->srsUeSubframe;

  if(isSrsTxOccasion)
  {
    ue->generate_ul_signal[eNB_id] = 1;
    if (ue->mac_enabled==1)
    {
      srs_power_cntl(ue,proc,eNB_id, (uint8_t*)(&nb_rb_srs), abstraction_flag);
      Po_SRS = ue->ulsch[eNB_id]->Po_SRS;
    }
    else
    {
      Po_SRS = ue->tx_power_max_dBm;
    }

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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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    if (ue->mac_enabled==1)
    {
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    tx_amp = get_tx_amp(Po_SRS,
                        ue->tx_power_max_dBm,
                        ue->frame_parms.N_RB_UL,
                        nb_rb_srs);
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    }
    else
    {
        tx_amp = AMP;
    }
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#else
      tx_amp = AMP;
#endif
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    LOG_D(PHY,"SRS PROC; TX_MAX_POWER %d, Po_SRS %d, NB_RB_UL %d, NB_RB_SRS %d TX_AMPL %d\n",ue->tx_power_max_dBm,
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            Po_SRS,
            ue->frame_parms.N_RB_UL,
            nb_rb_srs,
            tx_amp);

1994
    uint16_t nsymb = (ue->frame_parms.Ncp==0) ? 14:12;
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    uint16_t symbol_offset = (int)ue->frame_parms.ofdm_symbol_size*((nr_tti_tx*nsymb)+(nsymb-1));
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    generate_srs(&ue->frame_parms,
     &ue->soundingrs_ul_config_dedicated[eNB_id],
     &ue->common_vars.txdataF[eNB_id][symbol_offset],
     tx_amp,
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     nr_tti_tx);
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  }
}
2003

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int16_t get_pucch2_cqi(PHY_VARS_UE *ue,int eNB_id,int *len) {

  if ((ue->transmission_mode[eNB_id]<4)||
      (ue->transmission_mode[eNB_id]==7)) { // Mode 1-0 feedback
    // 4-bit CQI message
2009 2010 2011 2012
          /*LOG_I(PHY,"compute CQI value, TM %d, length 4, Cqi Avg %d, value %d \n", ue->transmission_mode[eNB_id],
                          ue->measurements.wideband_cqi_avg[eNB_id],
                          sinr2cqi((double)ue->measurements.wideband_cqi_avg[eNB_id],
                                    ue->transmission_mode[eNB_id]));*/
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    *len=4;
    return(sinr2cqi((double)ue->measurements.wideband_cqi_avg[eNB_id],
2015
        ue->transmission_mode[eNB_id]));
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  }
  else { // Mode 1-1 feedback, later
2018
          //LOG_I(PHY,"compute CQI value, TM %d, length 0, Cqi Avg 0 \n", ue->transmission_mode[eNB_id]);
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    *len=0;
    // 2-antenna ports RI=1, 6 bits (2 PMI, 4 CQI)

    // 2-antenna ports RI=2, 8 bits (1 PMI, 7 CQI/DIFF CQI)
    return(0);
  }
}


int16_t get_pucch2_ri(PHY_VARS_UE *ue,int eNB_id) {

  return(1);
}
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void get_pucch_param(PHY_VARS_UE    *ue,
                     UE_rxtx_proc_t *proc,
                     uint8_t        *ack_payload,
                     PUCCH_FMT_t    format,
                     uint8_t        eNB_id,
                     uint8_t        SR,
                     uint8_t        cqi_report,
                     uint16_t       *pucch_resource,
                     uint8_t        *pucch_payload,
                     uint16_t       *plength)
{

    switch (format) {
    case pucch_format1:
    {
        pucch_resource[0] = ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex;
        pucch_payload[0]  = 0; // payload is ignored in case of format1
        pucch_payload[1]  = 0; // payload is ignored in case of format1
    }
    break;

    case pucch_format1a:
    case pucch_format1b:
    {
        pucch_resource[0] = get_n1_pucch(ue,
                                         proc,
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                                         ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack,
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                                         eNB_id,
                                         ack_payload,
                                         SR);
        pucch_payload[0]  = ack_payload[0];
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        pucch_payload[1]  = ack_payload[1];
        //pucch_payload[1]  = 1;
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    }
    break;

    case pucch_format2:
    {
        pucch_resource[0]    = ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PUCCH_ResourceIndex;
        if(cqi_report)
        {
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            pucch_payload[0] = get_pucch2_cqi(ue,eNB_id,(int*)plength);
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        }
        else
        {
            *plength = 1;
            pucch_payload[0] = get_pucch2_ri(ue,eNB_id);
        }
    }
    break;

    case pucch_format2a:
    case pucch_format2b:
        LOG_E(PHY,"NO Resource available for PUCCH 2a/2b \n");
    break;
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    case pucch_format3:
      fprintf(stderr, "PUCCH format 3 not handled\n");
      abort();
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    }
}

2096
void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag) {
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  uint8_t  pucch_ack_payload[2];
  uint16_t pucch_resource;
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  ANFBmode_t bundling_flag;
  PUCCH_FMT_t format;
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  uint8_t  SR_payload;
  uint8_t  pucch_payload[2];
  uint16_t len;
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  LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
  int frame_tx=proc->frame_tx;
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  int nr_tti_tx=proc->nr_tti_tx;
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  int Mod_id = ue->Mod_id;
  int CC_id = ue->CC_id;
  int tx_amp;
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  int16_t Po_PUCCH;
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  uint8_t ack_status_cw0=0;
  uint8_t ack_status_cw1=0;
  uint8_t nb_cw=0;
  uint8_t cqi_status=0;
  uint8_t ri_status=0;
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_PUCCH,VCD_FUNCTION_IN);
2122

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  SOUNDINGRS_UL_CONFIG_DEDICATED *pSoundingrs_ul_config_dedicated=&ue->soundingrs_ul_config_dedicated[eNB_id];
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  // 36.213 8.2
  /*if ackNackSRS_SimultaneousTransmission ==  TRUE and in the cell specific SRS subframes UE shall transmit
    ACK/NACK and SR using the shortened PUCCH format. This shortened PUCCH format shall be used in a cell
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    specific SRS nr_tti_rx even if the UE does not transmit SRS in that nr_tti_rx
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  */
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  int harq_pid = subframe2harq_pid(&ue->frame_parms,
                                   frame_tx,
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                                   nr_tti_tx);
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  if(ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag)
  {
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      LOG_D(PHY,"PUSCH is programmed on this nr_tti_rx [pid %d] AbsSuframe %d.%d ==> Skip PUCCH transmission \n",harq_pid,frame_tx,nr_tti_tx);
2138
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_PUCCH,VCD_FUNCTION_OUT);
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      return;
  }

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  uint8_t isShortenPucch = (pSoundingrs_ul_config_dedicated->srsCellSubframe && frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission);
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  bundling_flag = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
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  if ((frame_parms->frame_type==FDD) ||
      (bundling_flag==bundling)    ||
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      ((frame_parms->frame_type==TDD)&&(frame_parms->tdd_config==1)&&((nr_tti_tx!=2)||(nr_tti_tx!=7)))) {
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    format = pucch_format1a;
    LOG_D(PHY,"[UE] PUCCH 1a\n");
  } else {
    format = pucch_format1b;
    LOG_D(PHY,"[UE] PUCCH 1b\n");
  }
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2156
  // Part - I
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  // Collect feedback that should be transmitted at this nr_tti_rx
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  // - SR
  // - ACK/NACK
  // - CQI
  // - RI

  SR_payload = 0;
  if (is_SR_TXOp(ue,proc,eNB_id)==1)
  {
      if (ue->mac_enabled==1) {
          SR_payload = mac_xface->ue_get_SR(Mod_id,
                  CC_id,
                  frame_tx,
                  eNB_id,
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                  ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->crnti,
                  nr_tti_tx); // nr_tti_rx used for meas gap
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      }
      else {
          SR_payload = 1;
      }
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  }
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  ack_status_cw0 = get_ack(&ue->frame_parms,
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                       ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack,
                       nr_tti_tx,
                       proc->nr_tti_rx,
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                       pucch_ack_payload,
                       0);
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  ack_status_cw1 = get_ack(&ue->frame_parms,
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                       ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][1]->harq_ack,
                       nr_tti_tx,
                       proc->nr_tti_rx,
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                       pucch_ack_payload,
                       1);
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  nb_cw = ( (ack_status_cw0 != 0) ? 1:0) + ( (ack_status_cw1 != 0) ? 1:0);
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  cqi_status = ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex>0)&&
      (is_cqi_TXOp(ue,proc,eNB_id)==1));
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  ri_status = ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex>0) &&
           (is_ri_TXOp(ue,proc,eNB_id)==1));
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  // Part - II
  // if nothing to report ==> exit function
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  if( (nb_cw==0) && (SR_payload==0) && (cqi_status==0) && (ri_status==0) )
2204
  {
2205
      LOG_D(PHY,"PUCCH No feedback AbsSubframe %d.%d SR_payload %d nb_cw %d pucch_ack_payload[0] %d pucch_ack_payload[1] %d cqi_status %d Return \n",
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            frame_tx%1024, nr_tti_tx, SR_payload, nb_cw, pucch_ack_payload[0], pucch_ack_payload[1], cqi_status);
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      return;
  }
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2210 2211 2212 2213 2214 2215 2216
  // Part - III
  // Decide which PUCCH format should be used if needed
  format = get_pucch_format(frame_parms->frame_type,
                            frame_parms->Ncp,
                            SR_payload,
                            nb_cw,
                            cqi_status,
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                            ri_status,
                            bundling_flag);
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  // Determine PUCCH resources and payload: mandatory for pucch encoding
  get_pucch_param(ue,
                  proc,
                  pucch_ack_payload,
                  format,
                  eNB_id,
                  SR_payload,
                  cqi_status,
                  &pucch_resource,
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                  (uint8_t *)&pucch_payload,
2229 2230 2231
                  &len);


2232
  LOG_D(PHY,"PUCCH feedback AbsSubframe %d.%d SR %d NbCW %d (%d %d) AckNack %d.%d CQI %d RI %d format %d pucch_resource %d pucch_payload %d %d \n",
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	frame_tx%1024, nr_tti_tx, SR_payload, nb_cw, ack_status_cw0, ack_status_cw1, pucch_ack_payload[0], pucch_ack_payload[1], cqi_status, ri_status, format, pucch_resource,pucch_payload[0],pucch_payload[1]);
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  // Part - IV
  // Generate PUCCH signal
  ue->generate_ul_signal[eNB_id] = 1;

  switch (format) {
  case pucch_format1:
  case pucch_format1a:
  case pucch_format1b:
  {
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      if (ue->mac_enabled == 1) {
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          Po_PUCCH = pucch_power_cntl(ue,proc,nr_tti_tx,eNB_id,format);
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      }
      else {
2248
          Po_PUCCH = ue->tx_power_max_dBm;
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      }
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      ue->tx_power_dBm[nr_tti_tx] = Po_PUCCH;
      ue->tx_total_RE[nr_tti_tx] = 12;
2252

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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
2254 2255 2256 2257
      tx_amp = get_tx_amp(Po_PUCCH,
              ue->tx_power_max_dBm,
              ue->frame_parms.N_RB_UL,
              1);
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#else
      tx_amp = AMP;
2260 2261
#endif
#if T_TRACER
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      T(T_UE_PHY_PUCCH_TX_POWER, T_INT(eNB_id),T_INT(Mod_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx),T_INT(ue->tx_power_dBm[nr_tti_tx]),
              T_INT(tx_amp),T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->g_pucch),T_INT(get_PL(ue->Mod_id,ue->CC_id,eNB_id)));
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#endif
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#ifdef UE_DEBUG_TRACE
2267 2268
      if(format == pucch_format1)
      {
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          LOG_I(PHY,"[UE  %d][SR %x] AbsSubframe %d.%d Generating PUCCH 1 (SR for PUSCH), an_srs_simultanous %d, shorten_pucch %d, n1_pucch %d, Po_PUCCH %d\n",
2270
                  Mod_id,
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                  ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti,
                  frame_tx%1024, nr_tti_tx,
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                  frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
                  isShortenPucch,
                  ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex,
                  Po_PUCCH);
      }
      else
      {
          if (SR_payload>0) {
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              LOG_I(PHY,"[UE  %d][SR %x] AbsSubFrame %d.%d Generating PUCCH %s payload %d,%d (with SR for PUSCH), an_srs_simultanous %d, shorten_pucch %d, n1_pucch %d, Po_PUCCH %d, amp %d\n",
2282
                      Mod_id,
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                      ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti,
                      frame_tx % 1024, nr_tti_tx,
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                      (format == pucch_format1a? "1a": (
                              format == pucch_format1b? "1b" : "??")),
                              pucch_ack_payload[0],pucch_ack_payload[1],
                              frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
                              isShortenPucch,
                              pucch_resource,
                              Po_PUCCH,
                              tx_amp);
          } else {
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              LOG_I(PHY,"[UE  %d][PDSCH %x] AbsSubFrame %d.%d rx_offset_diff: %d, Generating PUCCH %s, an_srs_simultanous %d, shorten_pucch %d, n1_pucch %d, b[0]=%d,b[1]=%d (SR_Payload %d), Po_PUCCH %d, amp %d\n",
2295
                      Mod_id,
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                      ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti,
                      frame_tx%1024, nr_tti_tx,ue->rx_offset_diff,
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                      (format == pucch_format1a? "1a": (
                              format == pucch_format1b? "1b" : "??")),
                              frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
                              isShortenPucch,
                              pucch_resource,pucch_payload[0],pucch_payload[1],SR_payload,
                              Po_PUCCH,
                              tx_amp);
          }
      }
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#endif
2308

2309 2310 2311
#if T_TRACER
      if(pucch_payload[0])
      {
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          T(T_UE_PHY_DLSCH_UE_ACK, T_INT(eNB_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx), T_INT(Mod_id), T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti),
                  T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->current_harq_pid));
2314 2315 2316
      }
      else
      {
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2317 2318
          T(T_UE_PHY_DLSCH_UE_NACK, T_INT(eNB_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx), T_INT(Mod_id), T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti),
                  T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->current_harq_pid));
2319 2320
      }
#endif
2321

2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332
      if (abstraction_flag == 0) {

          generate_pucch1x(ue->common_vars.txdataF,
                  &ue->frame_parms,
                  ue->ncs_cell,
                  format,
                  &ue->pucch_config_dedicated[eNB_id],
                  pucch_resource,
                  isShortenPucch,  // shortened format
                  pucch_payload,
                  tx_amp,
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                  nr_tti_tx);
2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347

      } else {
#ifdef PHY_ABSTRACTION
          LOG_D(PHY,"Calling generate_pucch_emul ... (ACK %d %d, SR %d)\n",pucch_ack_payload[0],pucch_ack_payload[1],SR_payload);
          generate_pucch_emul(ue,
                  proc,
                  format,
                  ue->frame_parms.pucch_config_common.nCS_AN,
                  pucch_payload,
                  SR_payload);
#endif
      }
  }
  break;
2348

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2350 2351
  case pucch_format2:
  {
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      if (ue->mac_enabled == 1) {
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2353
          Po_PUCCH = pucch_power_cntl(ue,proc,nr_tti_tx,eNB_id,format);
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      }
      else {
2356
          Po_PUCCH = ue->tx_power_max_dBm;
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      }
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      ue->tx_power_dBm[nr_tti_tx] = Po_PUCCH;
      ue->tx_total_RE[nr_tti_tx] = 12;
2360

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2361
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
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      tx_amp =  get_tx_amp(Po_PUCCH,
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              ue->tx_power_max_dBm,
              ue->frame_parms.N_RB_UL,
              1);
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#else
      tx_amp = AMP;
#endif
2369
#if T_TRACER
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      T(T_UE_PHY_PUCCH_TX_POWER, T_INT(eNB_id),T_INT(Mod_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx),T_INT(ue->tx_power_dBm[nr_tti_tx]),
              T_INT(tx_amp),T_INT(ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->g_pucch),T_INT(get_PL(ue->Mod_id,ue->CC_id,eNB_id)));
2372
#endif
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#ifdef UE_DEBUG_TRACE
2374
      LOG_I(PHY,"[UE  %d][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2 (RI or CQI), Po_PUCCH %d, isShortenPucch %d, amp %d\n",
2375
              Mod_id,
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              ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti,
              frame_tx%1024, nr_tti_tx,
2378 2379 2380
              Po_PUCCH,
              isShortenPucch,
              tx_amp);
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#endif
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      generate_pucch2x(ue->common_vars.txdataF,
2383 2384 2385 2386 2387 2388 2389 2390 2391
              &ue->frame_parms,
              ue->ncs_cell,
              format,
              &ue->pucch_config_dedicated[eNB_id],
              pucch_resource,
              pucch_payload,
              len,          // A
              0,            // B2 not needed
              tx_amp,
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2392 2393
              nr_tti_tx,
              ue->pdcch_vars[ue->current_thread_id[proc->nr_tti_rx]][eNB_id]->crnti);
2394 2395 2396 2397
  }
  break;

  case pucch_format2a:
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      LOG_D(PHY,"[UE  %d][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2a (RI or CQI) Ack/Nack 1bit \n",
2399
              Mod_id,
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2400 2401
              ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti,
              frame_tx%1024, nr_tti_tx);
2402 2403
      break;
  case pucch_format2b:
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2404
      LOG_D(PHY,"[UE  %d][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2b (RI or CQI) Ack/Nack 2bits\n",
2405
              Mod_id,
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2406 2407
              ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->rnti,
              frame_tx%1024, nr_tti_tx);
2408 2409 2410
      break;
  default:
      break;
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2411
  }
2412 2413 2414

  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_PUCCH,VCD_FUNCTION_OUT);

2415
}
2416

2417
void phy_procedures_UE_TX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,runmode_t mode,relaying_type_t r_type) {
2418

2419

2420
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
2421
  //int32_t ulsch_start=0;
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2422
  int nr_tti_tx = proc->nr_tti_tx;
2423 2424
  int frame_tx = proc->frame_tx;
  unsigned int aa;
2425
  uint8_t isSubframeSRS;
2426

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  uint8_t next1_thread_id = ue->current_thread_id[proc->nr_tti_rx]== (RX_NB_TH-1) ? 0:(ue->current_thread_id[proc->nr_tti_rx]+1);
2428
  uint8_t next2_thread_id = next1_thread_id== (RX_NB_TH-1) ? 0:(next1_thread_id+1);
2429

2430
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX,VCD_FUNCTION_IN);
2431

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2432
  LOG_D(PHY,"****** start TX-Chain for AbsSubframe %d.%d ******\n", frame_tx, nr_tti_tx);
2433
#if T_TRACER
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2434
  T(T_UE_PHY_UL_TICK, T_INT(ue->Mod_id), T_INT(frame_tx%1024), T_INT(nr_tti_tx));
2435
#endif
2436

2437
  ue->generate_ul_signal[eNB_id] = 0;
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#if UE_TIMING_TRACE
2439
  start_meas(&ue->phy_proc_tx);
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#endif
2441

2442 2443
#ifdef EMOS
  //phy_procedures_emos_UE_TX(next_slot);
2444 2445
#endif

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2446
  ue->tx_power_dBm[nr_tti_tx]=-127;
2447

2448 2449
  if (abstraction_flag==0) {
    for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
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2450
      memset(&ue->common_vars.txdataF[aa][nr_tti_tx*frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti],
2451 2452
       0,
       frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti*sizeof(int32_t));
2453 2454
    }
  }
2455

2456
  if (ue->UE_mode[eNB_id] != PRACH) {
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    // check cell srs nr_tti_rx and ue srs nr_tti_rx. This has an impact on pusch encoding
    isSubframeSRS = is_srs_occasion_common(&ue->frame_parms,proc->frame_tx,proc->nr_tti_tx);
2459 2460

    ue_compute_srs_occasion(ue,proc,eNB_id,isSubframeSRS);
2461

2462
    ue_ulsch_uespec_procedures(ue,proc,eNB_id,abstraction_flag);
2463

2464
  }
2465

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  if (ue->UE_mode[eNB_id] == PUSCH) {
      // check if we need to use PUCCH 1a/1b
      ue_pucch_procedures(ue,proc,eNB_id,abstraction_flag);
      // check if we need to use SRS
      ue_srs_procedures(ue,proc,eNB_id,abstraction_flag);
2471
  } // UE_mode==PUSCH
2472 2473


2474
#ifdef CBA
2475

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  if ((ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_cba_scheduling_flag >= 1) &&
      (ue->ulsch[eNB_id]->harq_processes[harq_pid]->status == CBA_ACTIVE)) {
    ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag=0; //-=1
    //  ue->ulsch[eNB_id]->harq_processes[harq_pid]->status= IDLE;
    first_rb = ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb;
    nb_rb = ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb;
    //cba_mcs=ue->ulsch[eNB_id]->harq_processes[harq_pid]->mcs;
    input_buffer_length = ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS/8;
    access_mode=CBA_ACCESS;
2485

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    LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: CBA num dci %d\n",
    Mod_id,frame_tx,nr_tti_tx,
    ue->ulsch[eNB_id]->num_cba_dci[nr_tti_tx]);
2489

2490
    mac_xface->ue_get_sdu(Mod_id,
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        CC_id,
        frame_tx,
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        proc->subframe_tx,
        nr_tti_tx%(ue->frame_parms.ttis_per_subframe),
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        eNB_id,
        ulsch_input_buffer,
        input_buffer_length,
        &access_mode);

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    ue->ulsch[eNB_id]->num_cba_dci[nr_tti_tx]=0;
2501

2502
    if (access_mode > UNKNOWN_ACCESS) {
2503

2504
      if (abstraction_flag==0) {
2505 2506 2507 2508
        if (ulsch_encoding(ulsch_input_buffer,
                           ue,
                           harq_pid,
                           eNB_id,
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                           proc->nr_tti_rx,
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                           ue->transmission_mode[eNB_id],0,
                           0)!=0) {  //  Nbundled, to be updated!!!!
          LOG_E(PHY,"ulsch_coding.c: FATAL ERROR: returning\n");
          return;
        }
2515
      }
2516

2517 2518
#ifdef PHY_ABSTRACTION
      else {
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        ulsch_encoding_emul(ulsch_input_buffer,ue,eNB_id,proc->nr_tti_rx,harq_pid,0);
2520
      }
2521

2522
#endif
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    } else {
      ue->ulsch[eNB_id]->harq_processes[harq_pid]->status= IDLE;
      //reset_cba_uci(ue->ulsch[eNB_id]->o);
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      LOG_N(PHY,"[UE %d] Frame %d, nr_tti_rx %d: CBA transmission cancelled or postponed\n",
      Mod_id, frame_tx,nr_tti_tx);
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    }
  }
2530

2531
#endif // end CBA
2532

2533

2534
  if (abstraction_flag == 0) {
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    ulsch_common_procedures(ue,proc, (ue->generate_ul_signal[eNB_id] == 0));
2536
  } // mode != PRACH
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  if ((ue->UE_mode[eNB_id] == PRACH) &&
2540
      (ue->frame_parms.prach_config_common.prach_Config_enabled==1)) {
2541

2542
    // check if we have PRACH opportunity
2543

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2544
    if (is_prach_subframe(&ue->frame_parms,frame_tx,nr_tti_tx)) {
2545

2546
      ue_prach_procedures(ue,proc,eNB_id,abstraction_flag,mode);
2547
    }
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  } // mode is PRACH
  else {
    ue->generate_prach=0;
  }
2552

2553
  // reset DL ACK/NACK status
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  uint8_t N_bundled = 0;
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  if (ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0] != NULL)
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  {
2557
    reset_ack(&ue->frame_parms,
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               ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][eNB_id][0]->harq_ack,
               nr_tti_tx,
               proc->nr_tti_rx,
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               ue->ulsch[eNB_id]->o_ACK,
               &N_bundled,
               0);
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    reset_ack(&ue->frame_parms,
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               ue->dlsch[next1_thread_id][eNB_id][0]->harq_ack,
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               nr_tti_tx,
               proc->nr_tti_rx,
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               ue->ulsch[eNB_id]->o_ACK,
               &N_bundled,
               0);
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    reset_ack(&ue->frame_parms,
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               ue->dlsch[next2_thread_id][eNB_id][0]->harq_ack,
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               nr_tti_tx,
               proc->nr_tti_rx,
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2575 2576 2577
               ue->ulsch[eNB_id]->o_ACK,
               &N_bundled,
               0);
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2578
  }
2579 2580 2581

  if (ue->dlsch_SI[eNB_id] != NULL)
    reset_ack(&ue->frame_parms,
2582
             ue->dlsch_SI[eNB_id]->harq_ack,
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2583 2584
             nr_tti_tx,
             proc->nr_tti_rx,
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2585 2586 2587
             ue->ulsch[eNB_id]->o_ACK,
             &N_bundled,
             0);
2588

2589

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2590
  LOG_D(PHY,"****** end TX-Chain for AbsSubframe %d.%d ******\n", frame_tx, nr_tti_tx);
2591

2592
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX, VCD_FUNCTION_OUT);
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2593
#if UE_TIMING_TRACE
2594
  stop_meas(&ue->phy_proc_tx);
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2595
#endif
2596 2597
}

2598
void phy_procedures_UE_S_TX(PHY_VARS_UE *ue,uint8_t eNB_id,uint8_t abstraction_flag,relaying_type_t r_type)
2599
{
2600
  int aa;//i,aa;
2601
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
2602

2603
  if (abstraction_flag==0) {
2604

2605
    for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
2606
#if defined(EXMIMO) //this is the EXPRESS MIMO case
2607 2608
      int i;
      // set the whole tx buffer to RX
2609
      for (i=0; i<LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe; i++)
2610 2611
  ue->common_vars.txdata[aa][i] = 0x00010001;

2612
#else //this is the normal case
2613
      memset(&ue->common_vars.txdata[aa][0],0,
2614
       (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe)*sizeof(int32_t));
2615
#endif //else EXMIMO
2616

2617 2618 2619 2620
    }
  }
}

2621 2622 2623
void ue_measurement_procedures(
    uint16_t l,    // symbol index of each slot [0..6]
    PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t eNB_id,
2624
    uint16_t slot, // slot index of each radio frame [0..19]
2625
    uint8_t abstraction_flag,runmode_t mode)
2626
{
2627

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2628
  //LOG_I(PHY,"ue_measurement_procedures l %d Ncp %d\n",l,ue->frame_parms.Ncp);
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2629

2630
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
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2631

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2632
  int nr_tti_rx = proc->nr_tti_rx;
2633

2634
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
2635 2636

  if (l==0) {
2637
    // UE measurements on symbol 0
2638
    if (abstraction_flag==0) {
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2639
      LOG_D(PHY,"Calling measurements nr_tti_rx %d, rxdata %p\n",nr_tti_rx,ue->common_vars.rxdata);
2640

2641
      lte_ue_measurements(ue,
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2642 2643
        (nr_tti_rx*frame_parms->samples_per_tti+ue->rx_offset)%(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME),
        (nr_tti_rx == 1) ? 1 : 0,
2644 2645
        0,
        0,
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2646
        nr_tti_rx);
2647
    } else {
2648
      lte_ue_measurements(ue,
2649 2650 2651 2652
        0,
        0,
        1,
        0,
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2653
      nr_tti_rx);
2654
    }
2655 2656
#if T_TRACER
    if(slot == 0)
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2657
      T(T_UE_PHY_MEAS, T_INT(eNB_id),  T_INT(ue->Mod_id), T_INT(proc->frame_rx%1024), T_INT(proc->nr_tti_rx),
2658 2659
                             T_INT((int)(10*log10(ue->measurements.rsrp[0])-ue->rx_total_gain_dB)),
                             T_INT((int)ue->measurements.rx_rssi_dBm[0]),
2660 2661 2662 2663 2664
                             T_INT((int)(ue->measurements.rx_power_avg_dB[0] - ue->measurements.n0_power_avg_dB)),
                             T_INT((int)ue->measurements.rx_power_avg_dB[0]),
                             T_INT((int)ue->measurements.n0_power_avg_dB),
                             T_INT((int)ue->measurements.wideband_cqi_avg[0]),
                             T_INT((int)ue->common_vars.freq_offset));
2665
#endif
2666 2667
  }

2668
  if (l==(6-ue->frame_parms.Ncp)) {
2669

2670
    // make sure we have signal from PSS/SSS for N0 measurement
2671
         // LOG_I(PHY," l==(6-ue->frame_parms.Ncp) ue_rrc_measurements\n");
2672

2673
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_IN);
2674
    ue_rrc_measurements(ue,
2675 2676
      slot,
      abstraction_flag);
2677
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_OUT);
2678

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2679
    if (abstraction_flag==1)
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2680
      ue->sinr_eff =  sinr_eff_cqi_calc(ue, 0, nr_tti_rx);
2681

2682
  }
2683

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2684
  // accumulate and filter timing offset estimation every nr_tti_rx (instead of every frame)
2685
  if (( (slot%2) == 0) && (l==(4-frame_parms->Ncp))) {
2686

2687
    // AGC
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2688

2689
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_IN);
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2690

2691
#ifndef OAI_USRP
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2692 2693
#ifndef OAI_BLADERF
#ifndef OAI_LMSSDR
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2694
#ifndef OAI_ADRV9371_ZC706
2695
    phy_adjust_gain (ue,dB_fixed(ue->measurements.rssi),0);
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2696 2697
#endif
#endif
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2698
#endif
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2699
#endif
2700

2701
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_OUT);
2702

2703
    eNB_id = 0;
2704

2705 2706
    if (abstraction_flag == 0) {
      if (ue->no_timing_correction==0)
2707 2708 2709
  lte_adjust_synch(&ue->frame_parms,
       ue,
       eNB_id,
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2710
       nr_tti_rx,
2711 2712 2713
       0,
       16384);
    }
2714

2715
  }
2716

2717
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_OUT);
2718 2719 2720
}

#ifdef EMOS
2721
void phy_procedures_emos_UE_RX(PHY_VARS_UE *ue,uint8_t last_slot,uint8_t eNB_id)
2722
{
2723

2724 2725 2726
  uint8_t i,j;
  //uint16_t last_slot_emos;
  uint32_t bytes;
2727
  int Mod_id = ue->Mod_id;
2728 2729

  /*
2730
    if (last_slot<2)
2731
    last_slot_emos = last_slot;
2732
    else if (last_slot>9)
2733
    last_slot_emos = last_slot - 8;
2734
    else {
2735 2736
    LOG_E(PHY,"emos rx last_slot_emos %d, last_slot %d\n", last_slot_emos,last_slot);
    mac_xface->macphy_exit("should never happen");
2737
    }
2738 2739 2740
  */

#ifdef EMOS_CHANNEL
2741

2742
  if ((last_slot==10) || (last_slot==11)) {
2743 2744
    for (i=0; i<ue->frame_parms.nb_antennas_rx; i++)
      for (j=0; j<ue->frame_parms.nb_antennas_tx; j++) {
2745 2746 2747 2748 2749 2750 2751 2752
  // first OFDM symbol with pilots
  memcpy(&emos_dump_UE.channel[i][j][(last_slot%2)*2*ue->frame_parms.ofdm_symbol_size],
         &ue->common_vars.dl_ch_estimates[eNB_id][(j<<1) + i][0],
         ue->frame_parms.ofdm_symbol_size*sizeof(int));
  // second OFDM symbol with pilots
  memcpy(&emos_dump_UE.channel[i][j][((last_slot%2)*2+1)*ue->frame_parms.ofdm_symbol_size],
         &ue->common_vars.dl_ch_estimates[eNB_id][(j<<1) + i][(ue->frame_parms.Ncp == 0 ? 4 : 3)*ue->frame_parms.ofdm_symbol_size],
         ue->frame_parms.ofdm_symbol_size*sizeof(int));
2753 2754
      }
  }
2755

2756
#endif
2757

2758 2759
  if (last_slot==0) {
    emos_dump_UE.timestamp = rt_get_time_ns();
2760
    emos_dump_UE.frame_rx = proc->frame_rx;
2761 2762 2763 2764 2765 2766
    emos_dump_UE.UE_mode = ue->UE_mode[eNB_id];
    emos_dump_UE.mimo_mode = ue->transmission_mode[eNB_id];
    emos_dump_UE.freq_offset = ue->common_vars.freq_offset;
    emos_dump_UE.timing_advance = ue->timing_advance;
    emos_dump_UE.timing_offset  = ue->rx_offset;
    emos_dump_UE.rx_total_gain_dB = ue->rx_total_gain_dB;
2767
    emos_dump_UE.eNb_id = eNB_id;
2768
    memcpy(&emos_dump_UE.PHY_measurements,&measurements,sizeof(PHY_MEASUREMENTS));
2769
  }
2770

2771
  if (last_slot==1) {
2772 2773 2774 2775
    emos_dump_UE.pbch_errors = ue->pbch_vars[eNB_id]->pdu_errors;
    emos_dump_UE.pbch_errors_last = ue->pbch_vars[eNB_id]->pdu_errors_last;
    emos_dump_UE.pbch_errors_conseq = ue->pbch_vars[eNB_id]->pdu_errors_conseq;
    emos_dump_UE.pbch_fer = ue->pbch_vars[eNB_id]->pdu_fer;
2776
  }
2777

2778
  if (last_slot==19) {
2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789
    emos_dump_UE.dlsch_errors = ue->dlsch_errors[eNB_id];
    emos_dump_UE.dlsch_errors_last = ue->dlsch_errors_last[eNB_id];
    emos_dump_UE.dlsch_received = ue->dlsch_received[eNB_id];
    emos_dump_UE.dlsch_received_last = ue->dlsch_received_last[eNB_id];
    emos_dump_UE.dlsch_fer = ue->dlsch_fer[eNB_id];
    emos_dump_UE.dlsch_cntl_errors = ue->dlsch_SI_errors[eNB_id];
    emos_dump_UE.dlsch_ra_errors = ue->dlsch_ra_errors[eNB_id];
    emos_dump_UE.total_TBS = ue->total_TBS[eNB_id];
    emos_dump_UE.total_TBS_last = ue->total_TBS_last[eNB_id];
    emos_dump_UE.bitrate = ue->bitrate[eNB_id];
    emos_dump_UE.total_received_bits = ue->total_received_bits[eNB_id];
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2790 2791
    emos_dump_UE.pmi_saved = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->pmi_alloc;
    emos_dump_UE.mcs = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid]->mcs;
2792 2793 2794
    emos_dump_UE.use_ia_receiver = openair_daq_vars.use_ia_receiver;

    bytes = rtf_put(CHANSOUNDER_FIFO_MINOR, &emos_dump_UE, sizeof(fifo_dump_emos_UE));
2795

2796
    if (bytes!=sizeof(fifo_dump_emos_UE)) {
2797
      LOG_W(PHY,"[UE  %d] frame %d, slot %d, Problem writing EMOS data to FIFO\n",Mod_id,proc->frame_rx, last_slot);
2798
    } else {
2799
      if (proc->frame_rx%100==0) {
2800
  LOG_I(PHY,"[UE  %d] frame %d, slot %d, Writing %d bytes EMOS data to FIFO\n",Mod_id,proc->frame_rx, last_slot, bytes);
2801 2802 2803
      }
    }
  }
2804

2805 2806 2807 2808
}
#endif


2809
void restart_phy(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t eNB_id,uint8_t abstraction_flag)
2810
{
2811

2812 2813
  //  uint8_t last_slot;
  uint8_t i;
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2814
  LOG_I(PHY,"[UE  %d] frame %d, slot %d, restarting PHY!\n",ue->Mod_id,proc->frame_rx,proc->nr_tti_rx);
2815
  mac_xface->macphy_exit("restart_phy called");
2816
  //   first_run = 1;
2817

2818
  if (abstraction_flag ==0 ) {
2819
    ue->UE_mode[eNB_id] = NOT_SYNCHED;
2820
  } else {
2821 2822
    ue->UE_mode[eNB_id] = PRACH;
    ue->prach_resources[eNB_id]=NULL;
2823
  }
2824

2825 2826
  proc->frame_rx = -1;
  proc->frame_tx = -1;
2827 2828
  //  ue->synch_wait_cnt=0;
  //  ue->sched_cnt=-1;
2829

2830 2831
  ue->pbch_vars[eNB_id]->pdu_errors_conseq=0;
  ue->pbch_vars[eNB_id]->pdu_errors=0;
2832

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2833 2834 2835 2836 2837 2838 2839 2840 2841
  ue->pdcch_vars[0][eNB_id]->dci_errors = 0;
  ue->pdcch_vars[0][eNB_id]->dci_missed = 0;
  ue->pdcch_vars[0][eNB_id]->dci_false  = 0;
  ue->pdcch_vars[0][eNB_id]->dci_received = 0;

  ue->pdcch_vars[1][eNB_id]->dci_errors = 0;
  ue->pdcch_vars[1][eNB_id]->dci_missed = 0;
  ue->pdcch_vars[1][eNB_id]->dci_false  = 0;
  ue->pdcch_vars[1][eNB_id]->dci_received = 0;
2842

2843 2844 2845 2846 2847 2848 2849
  ue->dlsch_errors[eNB_id] = 0;
  ue->dlsch_errors_last[eNB_id] = 0;
  ue->dlsch_received[eNB_id] = 0;
  ue->dlsch_received_last[eNB_id] = 0;
  ue->dlsch_fer[eNB_id] = 0;
  ue->dlsch_SI_received[eNB_id] = 0;
  ue->dlsch_ra_received[eNB_id] = 0;
2850
  ue->dlsch_p_received[eNB_id] = 0;
2851 2852
  ue->dlsch_SI_errors[eNB_id] = 0;
  ue->dlsch_ra_errors[eNB_id] = 0;
2853
  ue->dlsch_p_errors[eNB_id] = 0;
2854

2855
  ue->dlsch_mch_received[eNB_id] = 0;
2856 2857

  for (i=0; i < MAX_MBSFN_AREA ; i ++) {
2858 2859 2860 2861 2862 2863 2864
    ue->dlsch_mch_received_sf[i][eNB_id] = 0;
    ue->dlsch_mcch_received[i][eNB_id] = 0;
    ue->dlsch_mtch_received[i][eNB_id] = 0;
    ue->dlsch_mcch_errors[i][eNB_id] = 0;
    ue->dlsch_mtch_errors[i][eNB_id] = 0;
    ue->dlsch_mcch_trials[i][eNB_id] = 0;
    ue->dlsch_mtch_trials[i][eNB_id] = 0;
2865 2866
  }

2867 2868 2869 2870
  //ue->total_TBS[eNB_id] = 0;
  //ue->total_TBS_last[eNB_id] = 0;
  //ue->bitrate[eNB_id] = 0;
  //ue->total_received_bits[eNB_id] = 0;
2871 2872 2873
}


2874
void ue_pbch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t abstraction_flag)
2875
{
2876 2877 2878

  //  int i;
  int pbch_tx_ant=0;
2879 2880 2881 2882
  uint8_t pbch_phase;
  uint16_t frame_tx;
  static uint8_t first_run = 1;
  uint8_t pbch_trials = 0;
2883

2884
  DevAssert(ue);
2885 2886

  int frame_rx = proc->frame_rx;
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gabriel committed
2887
  int nr_tti_rx = proc->nr_tti_rx;
2888

2889
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_IN);
2890

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2891
  pbch_phase=(frame_rx%4);
2892

2893 2894
  if (pbch_phase>=4)
    pbch_phase=0;
2895 2896 2897

  for (pbch_trials=0; pbch_trials<4; pbch_trials++) {
    //for (pbch_phase=0;pbch_phase<4;pbch_phase++) {
2898
    //LOG_I(PHY,"[UE  %d] Frame %d, Trying PBCH %d (NidCell %d, eNB_id %d)\n",ue->Mod_id,frame_rx,pbch_phase,ue->frame_parms.Nid_cell,eNB_id);
2899
    if (abstraction_flag == 0) {
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2900
      pbch_tx_ant = rx_pbch(ue, proc,
2901 2902 2903 2904 2905 2906
          ue->pbch_vars[eNB_id],
          &ue->frame_parms,
          eNB_id,
          ue->frame_parms.mode1_flag==1?SISO:ALAMOUTI,
          ue->high_speed_flag,
          pbch_phase);
2907 2908 2909 2910



    }
2911

2912 2913
#ifdef PHY_ABSTRACTION
    else {
2914
      pbch_tx_ant = rx_pbch_emul(ue,
2915 2916
         eNB_id,
         pbch_phase);
2917
    }
2918

2919 2920 2921 2922 2923
#endif

    if ((pbch_tx_ant>0) && (pbch_tx_ant<=4)) {
      break;
    }
2924

2925
    pbch_phase++;
2926

2927 2928 2929 2930 2931 2932 2933 2934
    if (pbch_phase>=4)
      pbch_phase=0;
  }



  if ((pbch_tx_ant>0) && (pbch_tx_ant<=4)) {

2935 2936 2937 2938 2939 2940
    if (opt_enabled) {
      static uint8_t dummy[3];
      dummy[0] = ue->pbch_vars[eNB_id]->decoded_output[2];
      dummy[1] = ue->pbch_vars[eNB_id]->decoded_output[1];
      dummy[2] = ue->pbch_vars[eNB_id]->decoded_output[0];
      trace_pdu(1, dummy, 3, ue->Mod_id, 0, 0,
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2941
          frame_rx, nr_tti_rx, 0, 0);
2942
      LOG_D(OPT,"[UE %d][PBCH] Frame %d trace pdu for PBCH\n",
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2943
          ue->Mod_id, nr_tti_rx);
2944 2945
    }

2946
    if (pbch_tx_ant>2) {
2947
      LOG_W(PHY,"[openair][SCHED][SYNCH] PBCH decoding: pbch_tx_ant>2 not supported\n");
2948
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
2949 2950 2951 2952
      return;
    }


2953 2954 2955
    ue->pbch_vars[eNB_id]->pdu_errors_conseq = 0;
    frame_tx = (((int)(ue->pbch_vars[eNB_id]->decoded_output[2]&0x03))<<8);
    frame_tx += ((int)(ue->pbch_vars[eNB_id]->decoded_output[1]&0xfc));
2956 2957
    frame_tx += pbch_phase;

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hongzhi committed
2958
    //if (ue->mac_enabled==1) {
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2959
    mac_xface->dl_phy_sync_success(ue->Mod_id,frame_rx,eNB_id,first_run);
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hongzhi committed
2960
      //}
2961

2962 2963
#ifdef EMOS
    //emos_dump_UE.frame_tx = frame_tx;
2964
    //emos_dump_UE.mimo_mode = ue->pbch_vars[eNB_id]->decoded_output[1];
2965 2966 2967 2968
#endif

    if (first_run) {
      first_run = 0;
2969 2970 2971

      proc->frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
      proc->frame_tx = proc->frame_rx;
2972 2973 2974 2975
      for(int th_id=0; th_id<RX_NB_TH; th_id++)
      {
        ue->proc.proc_rxtx[th_id].frame_rx = proc->frame_rx;
        ue->proc.proc_rxtx[th_id].frame_tx = proc->frame_tx;
2976

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gabriel committed
2977
        printf("[UE %d] frame %d, nr_tti_rx %d: Adjusting frame counter (PBCH ant_tx=%d, frame_tx=%d, phase %d, rx_offset %d) => new frame %d\n",
2978 2979
 	    ue->Mod_id,
 	    ue->proc.proc_rxtx[th_id].frame_rx,
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2980
 	    nr_tti_rx,
2981 2982 2983 2984 2985
 	    pbch_tx_ant,
 	    frame_tx,
 	    pbch_phase,
 	    ue->rx_offset,
 	    proc->frame_rx);
2986
      }
2987

2988

2989
      frame_rx = proc->frame_rx;
2990

2991
    } else if (((frame_tx & 0x03FF) != (proc->frame_rx & 0x03FF))) {
2992
      //(pbch_tx_ant != ue->frame_parms.nb_antennas_tx)) {
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2993
      LOG_D(PHY,"[UE %d] frame %d, nr_tti_rx %d: Re-adjusting frame counter (PBCH ant_tx=%d, frame_rx=%d, frame%%1024=%d, phase %d).\n",
2994 2995
      ue->Mod_id,
      proc->frame_rx,
gabriel's avatar
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2996
      nr_tti_rx,
2997 2998 2999 3000
      pbch_tx_ant,
      frame_tx,
      frame_rx & 0x03FF,
      pbch_phase);
3001 3002 3003 3004

      proc->frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
      proc->frame_tx = proc->frame_rx;
      frame_rx = proc->frame_rx;
3005 3006 3007 3008 3009 3010
      
      for(int th_id=0; th_id<RX_NB_TH; th_id++)
      {
        ue->proc.proc_rxtx[th_id].frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
        ue->proc.proc_rxtx[th_id].frame_tx = proc->frame_rx;
      }
3011

3012
    }
3013

3014
#ifdef DEBUG_PHY_PROC
gabriel's avatar
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3015
    LOG_D(PHY,"[UE %d] frame %d, nr_tti_rx %d, Received PBCH (MIB): mode1_flag %d, tx_ant %d, frame_tx %d. N_RB_DL %d, phich_duration %d, phich_resource %d/6!\n",
3016 3017
    ue->Mod_id,
    frame_rx,
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3018
    nr_tti_rx,
3019 3020 3021 3022 3023 3024
    ue->frame_parms.mode1_flag,
    pbch_tx_ant,
    frame_tx,
    ue->frame_parms.N_RB_DL,
    ue->frame_parms.phich_config_common.phich_duration,
    ue->frame_parms.phich_config_common.phich_resource);
3025
#endif
3026

3027
  } else {
3028
    /*
gabriel's avatar
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3029 3030
    LOG_E(PHY,"[UE %d] frame %d, nr_tti_rx %d, Error decoding PBCH!\n",
    ue->Mod_id,frame_rx, nr_tti_rx);
3031

3032 3033 3034
    LOG_I(PHY,"[UE %d] rx_offset %d\n",ue->Mod_id,ue->rx_offset);


3035
    write_output("rxsig0.m","rxs0", ue->common_vars.rxdata[0],ue->frame_parms.samples_per_subframe,1,1);
3036

3037 3038
    write_output("H00.m","h00",&(ue->common_vars.dl_ch_estimates[0][0][0]),((ue->frame_parms.Ncp==0)?7:6)*(ue->frame_parms.ofdm_symbol_size),1,1);
    write_output("H10.m","h10",&(ue->common_vars.dl_ch_estimates[0][2][0]),((ue->frame_parms.Ncp==0)?7:6)*(ue->frame_parms.ofdm_symbol_size),1,1);
3039

3040
    write_output("rxsigF0.m","rxsF0", ue->common_vars.rxdataF[0],8*ue->frame_parms.ofdm_symbol_size,1,1);
3041 3042 3043 3044 3045
    write_output("PBCH_rxF0_ext.m","pbch0_ext",ue->pbch_vars[0]->rxdataF_ext[0],12*4*6,1,1);
    write_output("PBCH_rxF0_comp.m","pbch0_comp",ue->pbch_vars[0]->rxdataF_comp[0],12*4*6,1,1);
    write_output("PBCH_rxF_llr.m","pbch_llr",ue->pbch_vars[0]->llr,(ue->frame_parms.Ncp==0) ? 1920 : 1728,1,4);
    exit(-1);
    */
3046

3047 3048 3049 3050
    ue->pbch_vars[eNB_id]->pdu_errors_conseq++;
    ue->pbch_vars[eNB_id]->pdu_errors++;
    if (ue->mac_enabled == 1) {
      mac_xface->out_of_sync_ind(ue->Mod_id,frame_rx,eNB_id);
Florian Kaltenberger's avatar
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3051 3052
    }
    else{
3053
      if (ue->pbch_vars[eNB_id]->pdu_errors_conseq>=100) {
3054
  LOG_E(PHY,"More that 100 consecutive PBCH errors! Exiting!\n");
Hongzhi's avatar
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3055
  //mac_xface->macphy_exit("More that 100 consecutive PBCH errors!");
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3056
      }
3057
    }
3058 3059
  }

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3060
  if (frame_rx % 100 == 0) {
3061 3062
    ue->pbch_vars[eNB_id]->pdu_fer = ue->pbch_vars[eNB_id]->pdu_errors - ue->pbch_vars[eNB_id]->pdu_errors_last;
    ue->pbch_vars[eNB_id]->pdu_errors_last = ue->pbch_vars[eNB_id]->pdu_errors;
3063
  }
3064 3065

#ifdef DEBUG_PHY_PROC
3066
  LOG_D(PHY,"[UE %d] frame %d, slot %d, PBCH errors = %d, consecutive errors = %d!\n",
gabriel's avatar
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3067
  ue->Mod_id,frame_rx, nr_tti_rx,
3068 3069
  ue->pbch_vars[eNB_id]->pdu_errors,
  ue->pbch_vars[eNB_id]->pdu_errors_conseq);
3070
#endif
3071
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
3072 3073
}

3074
int ue_pdcch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t abstraction_flag)
3075
{
3076 3077

  unsigned int dci_cnt=0, i;
3078

3079
  int frame_rx = proc->frame_rx;
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3080
  int nr_tti_rx = proc->nr_tti_rx;
3081
  DCI_ALLOC_t dci_alloc_rx[8];
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3082

gabriel's avatar
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3083
  uint8_t next1_thread_id = ue->current_thread_id[nr_tti_rx]== (RX_NB_TH-1) ? 0:(ue->current_thread_id[nr_tti_rx]+1);
3084
  uint8_t next2_thread_id = next1_thread_id== (RX_NB_TH-1) ? 0:(next1_thread_id+1);
3085

3086 3087 3088 3089 3090 3091
#ifdef PHY_ABSTRACTION
  int CC_id;
  int UE_id;
  uint8_t harq_pid;
#endif

3092
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_IN);
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3093
#if UE_TIMING_TRACE
3094
  start_meas(&ue->dlsch_rx_pdcch_stats);
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3095
#endif
3096

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3097
  //  if (nr_tti_rx != 5)
3098
  //    return 0;
3099 3100
  if (abstraction_flag == 0)  {

3101
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PDCCH, VCD_FUNCTION_IN);
hbilel's avatar
hbilel committed
3102
    rx_pdcch(ue,
3103
             proc->frame_rx,
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3104
             nr_tti_rx,
3105 3106 3107 3108
             eNB_id,
             (ue->frame_parms.mode1_flag == 1) ? SISO : ALAMOUTI,
             ue->high_speed_flag,
             ue->is_secondary_ue);
3109

3110 3111
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PDCCH, VCD_FUNCTION_OUT);
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DCI_DECODING, VCD_FUNCTION_IN);
3112 3113 3114 3115 3116


    //printf("Decode SIB frame param agregation + DCI %d %d \n",agregationLevel,dciFormat);

    //agregation level == FF means no configuration on
gabriel's avatar
gabriel committed
3117
    if(ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->agregationLevel == 0xFF || ue->decode_SIB)
3118 3119 3120 3121 3122 3123
    {
        // search all possible dcis
        dci_cnt = dci_decoding_procedure(ue,
                dci_alloc_rx,
                (ue->UE_mode[eNB_id] < PUSCH)? 1 : 0,  // if we're in PUSCH don't listen to common search space,
                                                       // later when we need paging or RA during connection, update this ...
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3124
                eNB_id,nr_tti_rx);
3125 3126 3127 3128 3129 3130 3131
    }
    else
    {
        // search only preconfigured dcis
        // search C RNTI dci
        dci_cnt = dci_CRNTI_decoding_procedure(ue,
                dci_alloc_rx,
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3132 3133
                ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->dciFormat,
                ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->agregationLevel,
3134
                eNB_id,
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3135
                nr_tti_rx);
3136 3137
    }

3138
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DCI_DECODING, VCD_FUNCTION_OUT);
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3139
    //LOG_D(PHY,"[UE  %d][PUSCH] Frame %d nr_tti_rx %d PHICH RX\n",ue->Mod_id,frame_rx,nr_tti_rx);
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3140

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3141
    if (is_phich_subframe(&ue->frame_parms,nr_tti_rx)) {
3142
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PHICH, VCD_FUNCTION_IN);
3143
      rx_phich(ue,proc,
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3144
         nr_tti_rx,eNB_id);
3145
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PHICH, VCD_FUNCTION_OUT);
3146 3147
    }
  }
3148

3149 3150
#ifdef PHY_ABSTRACTION
  else {
3151 3152
    for (i=0; i<NB_eNB_INST; i++) {
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++)
3153 3154
  if (PHY_vars_eNB_g[i][CC_id]->frame_parms.Nid_cell == ue->frame_parms.Nid_cell)
    break;
3155

3156
      if (CC_id < MAX_NUM_CCs)
3157
  break;
3158
    }
3159

3160
    if (i==NB_eNB_INST) {
3161
      LOG_E(PHY,"[UE  %d] phy_procedures_lte_ue.c: FATAL : Could not find attached eNB for DCI emulation (Nid_cell %d)!!!!\n",ue->Mod_id,ue->frame_parms.Nid_cell);
3162
      mac_xface->macphy_exit("Could not find attached eNB for DCI emulation");
3163
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_OUT);
3164 3165
      return(-1);
    }
3166

3167
    LOG_D(PHY,"Calling dci_decoding_proc_emul ...\n");
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3168 3169 3170 3171
    dci_cnt = dci_decoding_procedure_emul(ue->pdcch_vars[nr_tti_rx&1],
                                          PHY_vars_eNB_g[i][CC_id]->num_ue_spec_dci[nr_tti_rx&1],
                                          PHY_vars_eNB_g[i][CC_id]->num_common_dci[nr_tti_rx&1],
                                          PHY_vars_eNB_g[i][CC_id]->dci_alloc[nr_tti_rx&1],
3172 3173
                                          dci_alloc_rx,
                                          eNB_id);
3174
    //    printf("DCI: dci_cnt %d\n",dci_cnt);
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3175
    UE_id = (uint32_t)find_ue((int16_t)ue->pdcch_vars[nr_tti_rx&1][eNB_id]->crnti,PHY_vars_eNB_g[i][CC_id]);
3176

3177
    if (UE_id>=0) {
3178
      //      printf("Checking PHICH for UE  %d (eNB %d)\n",UE_id,i);
gabriel's avatar
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3179 3180
      if (is_phich_subframe(&ue->frame_parms,nr_tti_rx)) {
  harq_pid = phich_subframe_to_harq_pid(&ue->frame_parms,frame_rx,nr_tti_rx);
3181

3182 3183 3184 3185 3186 3187 3188
  if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->status == ACTIVE) {
    // ue->ulsch[eNB_id]->harq_processes[harq_pid]->phich_ACK=1;
    ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag =0;
    ue->ulsch[eNB_id]->harq_processes[harq_pid]->status = IDLE;
    ue->ulsch_Msg3_active[eNB_id] = 0;
    ue->ulsch[eNB_id]->harq_processes[harq_pid]->round = 0;
    LOG_D(PHY,"Msg3 inactive\n");
3189

3190
  } // harq_pid is ACTIVE
gabriel's avatar
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3191
      } // This is a PHICH nr_tti_rx
3192 3193
    } // UE_id exists
  }
3194

3195 3196
#endif

gabriel's avatar
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3197 3198 3199
  uint8_t *nCCE_current = &ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->nCCE[nr_tti_rx];
  uint8_t *nCCE_dest = &ue->pdcch_vars[next1_thread_id][eNB_id]->nCCE[nr_tti_rx];
  uint8_t *nCCE_dest1 = &ue->pdcch_vars[next2_thread_id][eNB_id]->nCCE[nr_tti_rx];
3200
  memcpy(nCCE_dest, nCCE_current, sizeof(uint8_t));
3201
  memcpy(nCCE_dest1, nCCE_current, sizeof(uint8_t));
3202

gabriel's avatar
gabriel committed
3203
  LOG_D(PHY,"current_thread %d next1_thread %d next2_thread %d \n", ue->current_thread_id[nr_tti_rx], next1_thread_id, next2_thread_id);
3204

3205
  LOG_D(PHY,"[UE  %d] AbsSubFrame %d.%d, Mode %s: DCI found %i --> rnti %x / crnti %x : format %d\n",
gabriel's avatar
gabriel committed
3206
       ue->Mod_id,frame_rx%1024,nr_tti_rx,mode_string[ue->UE_mode[eNB_id]],
hbilel's avatar
hbilel committed
3207 3208
       dci_cnt,
       dci_alloc_rx[0].rnti,
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gabriel committed
3209
       ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti,
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hbilel committed
3210
       dci_alloc_rx[0].format );
3211

gabriel's avatar
gabriel committed
3212
  ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->dci_received += dci_cnt;
3213

3214
#ifdef EMOS
gabriel's avatar
gabriel committed
3215
  //emos_dump_UE.dci_cnt[nr_tti_rx] = dci_cnt;
3216 3217
#endif

3218 3219 3220
  for (i=0; i<dci_cnt; i++) {


3221

3222
    if ((ue->UE_mode[eNB_id]>PRACH) &&
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gabriel committed
3223
	(dci_alloc_rx[i].rnti == ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti) &&
3224
	(dci_alloc_rx[i].format != format0)) {
3225

3226
      LOG_D(PHY,"[UE  %d][DCI][PDSCH %x] AbsSubframe %d.%d: format %d, num_pdcch_symbols %d, nCCE %d, total CCEs %d\n",
3227
	    ue->Mod_id,dci_alloc_rx[i].rnti,
gabriel's avatar
gabriel committed
3228
	    frame_rx%1024,nr_tti_rx,
3229
	    dci_alloc_rx[i].format,
gabriel's avatar
gabriel committed
3230 3231
	    ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
	    ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->nCCE[nr_tti_rx],
3232
	    get_nCCE(3,&ue->frame_parms,get_mi(&ue->frame_parms,0)));
3233

3234
      //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3235

3236
      if ((ue->UE_mode[eNB_id] > PRACH) &&
3237
	  (generate_ue_dlsch_params_from_dci(frame_rx,
gabriel's avatar
gabriel committed
3238
					     nr_tti_rx,
3239
					     (void *)&dci_alloc_rx[i].dci_pdu,
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gabriel committed
3240
					     ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti,
3241
					     dci_alloc_rx[i].format,
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gabriel committed
3242 3243 3244
					     ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id],
					     ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id],
					     ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id],
3245 3246
					     &ue->frame_parms,
					     ue->pdsch_config_dedicated,
3247 3248
					     SI_RNTI,
					     0,
3249
					     P_RNTI,
3250
					     ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id],
gabriel's avatar
gabriel committed
3251
					     ue->pdcch_vars[0%RX_NB_TH][eNB_id]->crnti_is_temporary? ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti: 0)==0)) {
3252

hbilel's avatar
hbilel committed
3253 3254 3255
          // update TPC for PUCCH
          if((dci_alloc_rx[i].format == format1)   ||
              (dci_alloc_rx[i].format == format1A) ||
3256
              (dci_alloc_rx[i].format == format1B) ||
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3257
              (dci_alloc_rx[i].format == format2)  ||
3258 3259
              (dci_alloc_rx[i].format == format2A) ||
              (dci_alloc_rx[i].format == format2B))
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hbilel committed
3260
          {
gabriel's avatar
gabriel committed
3261 3262
            //ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->g_pucch += ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid]->delta_PUCCH;
            int32_t delta_pucch = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid]->delta_PUCCH;
3263 3264 3265 3266
            for(int th_id=0; th_id<RX_NB_TH; th_id++)
            {
                ue->dlsch[th_id][eNB_id][0]->g_pucch += delta_pucch;
            }
gabriel's avatar
gabriel committed
3267
            LOG_D(PHY,"update TPC for PUCCH %d.%d / pid %d delta_PUCCH %d g_pucch %d %d \n",frame_rx, nr_tti_rx,ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid,
3268 3269 3270 3271 3272
                    delta_pucch,
                    ue->dlsch[0][eNB_id][0]->g_pucch,
                    ue->dlsch[1][eNB_id][0]->g_pucch
                    //ue->dlsch[2][eNB_id][0]->g_pucch
                    );
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hbilel committed
3273 3274
          }

3275 3276
  ue->dlsch_received[eNB_id]++;

3277
#ifdef DEBUG_PHY_PROC
3278 3279
	LOG_D(PHY,"[UE  %d] Generated UE DLSCH C_RNTI format %d\n",ue->Mod_id,dci_alloc_rx[i].format);
	dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
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gabriel committed
3280
	LOG_D(PHY,"[UE %d] *********** dlsch->active in nr_tti_rx %d=> %d\n",ue->Mod_id,nr_tti_rx,ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active);
3281
#endif
3282 3283 3284

  // we received a CRNTI, so we're in PUSCH
  if (ue->UE_mode[eNB_id] != PUSCH) {
3285
#ifdef DEBUG_PHY_PROC
gabriel's avatar
gabriel committed
3286
          LOG_I(PHY,"[UE  %d] Frame %d, nr_tti_rx %d: Received DCI with CRNTI %x => Mode PUSCH\n",ue->Mod_id,frame_rx,nr_tti_rx,ue->pdcch_vars[nr_tti_rx&1][eNB_id]->crnti);
3287
#endif
3288 3289 3290 3291
    //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
    ue->UE_mode[eNB_id] = PUSCH;
    //mac_xface->macphy_exit("Connected. Exiting\n");
  }
3292
      } else {
gabriel's avatar
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3293
  LOG_E(PHY,"[UE  %d] Frame %d, nr_tti_rx %d: Problem in DCI!\n",ue->Mod_id,frame_rx,nr_tti_rx);
3294
  dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3295 3296 3297
      }
    }

3298
    else if ((dci_alloc_rx[i].rnti == SI_RNTI) &&
3299
       ((dci_alloc_rx[i].format == format1A) || (dci_alloc_rx[i].format == format1C))) {
3300

3301
#ifdef DEBUG_PHY_PROC
gabriel's avatar
gabriel committed
3302
      LOG_I(PHY,"[UE  %d] nr_tti_rx %d: Found rnti %x, format 1%s, dci_cnt %d\n",ue->Mod_id,nr_tti_rx,dci_alloc_rx[i].rnti,dci_alloc_rx[i].format==format1A?"A":"C",i);
3303
#endif
3304

3305

3306
      if (generate_ue_dlsch_params_from_dci(frame_rx,
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3307
              nr_tti_rx,
3308 3309 3310
              (void *)&dci_alloc_rx[i].dci_pdu,
              SI_RNTI,
              dci_alloc_rx[i].format,
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3311
					    ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id],
3312
					    ue->pdsch_vars_SI[eNB_id],
3313 3314 3315 3316 3317 3318 3319
              &ue->dlsch_SI[eNB_id],
              &ue->frame_parms,
              ue->pdsch_config_dedicated,
              SI_RNTI,
              0,
              P_RNTI,
              ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id],
3320
              0)==0) {
3321

3322
  ue->dlsch_SI_received[eNB_id]++;
3323 3324


gabriel's avatar
gabriel committed
3325
  LOG_I(PHY,"[UE  %d] Frame %d, nr_tti_rx %d : Generate UE DLSCH SI_RNTI format 1%s\n",ue->Mod_id,frame_rx,nr_tti_rx,dci_alloc_rx[i].format==format1A?"A":"C");
3326
  //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3327 3328 3329

      }
    }
3330

3331
    else if ((dci_alloc_rx[i].rnti == P_RNTI) &&
3332
       ((dci_alloc_rx[i].format == format1A) || (dci_alloc_rx[i].format == format1C))) {
3333

3334
#ifdef DEBUG_PHY_PROC
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3335
      LOG_I(PHY,"[UE  %d] nr_tti_rx %d: Found rnti %x, format 1%s, dci_cnt %d\n",ue->Mod_id,nr_tti_rx,dci_alloc_rx[i].rnti,dci_alloc_rx[i].format==format1A?"A":"C",i);
3336
#endif
3337 3338 3339


      if (generate_ue_dlsch_params_from_dci(frame_rx,
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3340
              nr_tti_rx,
3341 3342 3343
              (void *)&dci_alloc_rx[i].dci_pdu,
            P_RNTI,
              dci_alloc_rx[i].format,
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3344
					    ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id],
3345
					    ue->pdsch_vars_p[eNB_id],
3346 3347 3348 3349 3350 3351 3352
              &ue->dlsch_SI[eNB_id],
              &ue->frame_parms,
              ue->pdsch_config_dedicated,
              SI_RNTI,
              0,
              P_RNTI,
              ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id],
3353
                                            0)==0) {
3354

3355
  ue->dlsch_p_received[eNB_id]++;
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3356
  LOG_D(PHY,"[UE  %d] Frame %d, nr_tti_rx %d : Generate UE DLSCH P_RNTI format 1%s\n",ue->Mod_id,frame_rx,nr_tti_rx,dci_alloc_rx[i].format==format1A?"A":"C");
3357
  //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3358 3359 3360 3361

      }
    }

3362
    else if ((ue->prach_resources[eNB_id]) &&
3363 3364
       (dci_alloc_rx[i].rnti == ue->prach_resources[eNB_id]->ra_RNTI) &&
       (dci_alloc_rx[i].format == format1A)) {
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Raymond Knopp committed
3365

3366
#ifdef DEBUG_PHY_PROC
gabriel's avatar
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3367
      LOG_D(PHY,"[UE  %d][RAPROC] nr_tti_rx %d: Found RA rnti %x, format 1A, dci_cnt %d\n",ue->Mod_id,nr_tti_rx,dci_alloc_rx[i].rnti,i);
3368 3369

      //if (((frame_rx%100) == 0) || (frame_rx < 20))
3370
      //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3371
      //mac_xface->macphy_exit("so far so good...\n");
3372
#endif
3373 3374


3375
      if (generate_ue_dlsch_params_from_dci(frame_rx,
gabriel's avatar
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3376
              nr_tti_rx,
3377 3378 3379
              (DCI1A_5MHz_TDD_1_6_t *)&dci_alloc_rx[i].dci_pdu,
              ue->prach_resources[eNB_id]->ra_RNTI,
              format1A,
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3380
					    ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id],
3381
					    ue->pdsch_vars_ra[eNB_id],
3382 3383 3384 3385 3386 3387 3388
              &ue->dlsch_ra[eNB_id],
              &ue->frame_parms,
              ue->pdsch_config_dedicated,
              SI_RNTI,
              ue->prach_resources[eNB_id]->ra_RNTI,
              P_RNTI,
              ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id],
3389
                                            0)==0) {
3390

3391
  ue->dlsch_ra_received[eNB_id]++;
3392

3393
#ifdef DEBUG_PHY_PROC
3394 3395
  LOG_D(PHY,"[UE  %d] Generate UE DLSCH RA_RNTI format 1A, rb_alloc %x, dlsch_ra[eNB_id] %p\n",
        ue->Mod_id,ue->dlsch_ra[eNB_id]->harq_processes[0]->rb_alloc_even[0],ue->dlsch_ra[eNB_id]);
3396
#endif
3397
      }
gabriel's avatar
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3398
    } else if( (dci_alloc_rx[i].rnti == ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti) &&
3399
	       (dci_alloc_rx[i].format == format0)) {
3400

3401
#ifdef DEBUG_PHY_PROC
gabriel's avatar
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3402 3403
      LOG_D(PHY,"[UE  %d][PUSCH] Frame %d nr_tti_rx %d: Found rnti %x, format 0, dci_cnt %d\n",
      ue->Mod_id,frame_rx,nr_tti_rx,dci_alloc_rx[i].rnti,i);
3404 3405
#endif

3406 3407
      ue->ulsch_no_allocation_counter[eNB_id] = 0;
      //dump_dci(&ue->frame_parms,&dci_alloc_rx[i]);
3408

3409
      if ((ue->UE_mode[eNB_id] > PRACH) &&
3410
	  (generate_ue_ulsch_params_from_dci((void *)&dci_alloc_rx[i].dci_pdu,
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3411 3412
					     ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti,
					     nr_tti_rx,
3413
					     format0,
3414
					     ue,
3415
					     proc,
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					     SI_RNTI,
					     0,
					     P_RNTI,
					     CBA_RNTI,
					     eNB_id,
					     0)==0)) {
3422 3423
#if T_TRACER
    LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
3424
    uint8_t harq_pid = subframe2harq_pid(frame_parms,
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3425 3426
                                 pdcch_alloc2ul_frame(frame_parms,proc->frame_rx,proc->nr_tti_rx),
                                 pdcch_alloc2ul_subframe(frame_parms,proc->nr_tti_rx));
3427

gabriel's avatar
gabriel committed
3428
    T(T_UE_PHY_ULSCH_UE_DCI, T_INT(eNB_id), T_INT(proc->frame_rx%1024), T_INT(proc->nr_tti_rx), T_INT(ue->Mod_id),
3429 3430 3431 3432 3433 3434
      T_INT(dci_alloc_rx[i].rnti), T_INT(harq_pid),
      T_INT(ue->ulsch[eNB_id]->harq_processes[harq_pid]->mcs),
      T_INT(ue->ulsch[eNB_id]->harq_processes[harq_pid]->round),
      T_INT(ue->ulsch[eNB_id]->harq_processes[harq_pid]->first_rb),
      T_INT(ue->ulsch[eNB_id]->harq_processes[harq_pid]->nb_rb),
      T_INT(ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS));
3435
#endif
3436
#ifdef DEBUG_PHY_PROC
gabriel's avatar
gabriel committed
3437
  LOG_D(PHY,"[UE  %d] Generate UE ULSCH C_RNTI format 0 (nr_tti_rx %d)\n",ue->Mod_id,nr_tti_rx);
3438 3439
#endif

3440
      }
3441
    } else if( (dci_alloc_rx[i].rnti == ue->ulsch[eNB_id]->cba_rnti[0]) &&
3442
         (dci_alloc_rx[i].format == format0)) {
3443
      // UE could belong to more than one CBA group
3444
      // ue->Mod_id%ue->ulsch[eNB_id]->num_active_cba_groups]
3445
#ifdef DEBUG_PHY_PROC
gabriel's avatar
gabriel committed
3446 3447
      LOG_D(PHY,"[UE  %d][PUSCH] Frame %d nr_tti_rx %d: Found cba rnti %x, format 0, dci_cnt %d\n",
      ue->Mod_id,frame_rx,nr_tti_rx,dci_alloc_rx[i].rnti,i);
3448
      /*
3449 3450
  if (((frame_rx%100) == 0) || (frame_rx < 20))
  dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3451
      */
3452 3453
#endif

3454 3455
      ue->ulsch_no_allocation_counter[eNB_id] = 0;
      //dump_dci(&ue->frame_parms,&dci_alloc_rx[i]);
3456

3457
      if ((ue->UE_mode[eNB_id] > PRACH) &&
3458 3459
    (generate_ue_ulsch_params_from_dci((void *)&dci_alloc_rx[i].dci_pdu,
               ue->ulsch[eNB_id]->cba_rnti[0],
gabriel's avatar
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3460
               nr_tti_rx,
3461 3462 3463 3464 3465 3466 3467 3468 3469
               format0,
               ue,
               proc,
               SI_RNTI,
               0,
               P_RNTI,
               CBA_RNTI,
               eNB_id,
               0)==0)) {
3470

3471
#ifdef DEBUG_PHY_PROC
gabriel's avatar
gabriel committed
3472
  LOG_D(PHY,"[UE  %d] Generate UE ULSCH CBA_RNTI format 0 (nr_tti_rx %d)\n",ue->Mod_id,nr_tti_rx);
3473
#endif
gabriel's avatar
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3474
  ue->ulsch[eNB_id]->num_cba_dci[(nr_tti_rx+4)%10]++;
3475 3476 3477
      }
    }

3478 3479
    else {
#ifdef DEBUG_PHY_PROC
gabriel's avatar
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3480 3481
      LOG_I(PHY,"[UE  %d] frame %d, nr_tti_rx %d: received DCI %d with RNTI=%x (C-RNTI:%x, CBA_RNTI %x) and format %d!\n",ue->Mod_id,frame_rx,nr_tti_rx,i,dci_alloc_rx[i].rnti,
	    ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti,
3482 3483
	    ue->ulsch[eNB_id]->cba_rnti[0],
	    dci_alloc_rx[i].format);
3484

3485
      //      dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
3486 3487
#endif
    }
3488

3489
  }
gabrielC's avatar
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3490
#if UE_TIMING_TRACE
3491
  stop_meas(&ue->dlsch_rx_pdcch_stats);
gabrielC's avatar
gabrielC committed
3492
#endif
3493
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_OUT);
3494 3495 3496
  return(0);
}

3497

3498
void ue_pmch_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc,int eNB_id,int abstraction_flag) {
3499

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3500
  int nr_tti_rx = proc->nr_tti_rx;
3501
  int frame_rx = proc->frame_rx;
3502
  int pmch_mcs=-1;
Cedric Roux's avatar
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3503
#if defined(Rel10) || defined(Rel14)
3504
  int CC_id = ue->CC_id;
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3505
#endif
3506 3507 3508 3509
  uint8_t sync_area=255;
  uint8_t mcch_active;
  int l;
  int ret=0;
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3510

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3511 3512
  if (is_pmch_subframe(frame_rx,nr_tti_rx,&ue->frame_parms)) {
    LOG_D(PHY,"ue calling pmch nr_tti_rx ..\n ");
3513

gabriel's avatar
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3514 3515
    LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: Querying for PMCH demodulation\n",
    ue->Mod_id,(nr_tti_rx==9?-1:0)+frame_rx,nr_tti_rx);
Cedric Roux's avatar
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3516
#if defined(Rel10) || defined(Rel14)
3517
    pmch_mcs = mac_xface->ue_query_mch(ue->Mod_id,
3518 3519
               CC_id,
               frame_rx,
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3520
               nr_tti_rx,
3521 3522 3523 3524
               eNB_id,
               &sync_area,
               &mcch_active);

3525 3526
#else
    pmch_mcs=-1;
3527
#endif
3528

3529
    if (pmch_mcs>=0) {
gabriel's avatar
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3530
      LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: Programming PMCH demodulation for mcs %d\n",ue->Mod_id,frame_rx,nr_tti_rx,pmch_mcs);
3531
      fill_UE_dlsch_MCH(ue,pmch_mcs,1,0,0);
3532

3533
      if (abstraction_flag == 0 ) {
3534
  for (l=2; l<12; l++) {
3535

3536 3537
    slot_fep_mbsfn(ue,
       l,
gabriel's avatar
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3538
       nr_tti_rx,
3539 3540 3541 3542 3543 3544
       0,0);//ue->rx_offset,0);
  }

  for (l=2; l<12; l++) {
    rx_pmch(ue,
      0,
gabriel's avatar
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3545
      nr_tti_rx,
3546 3547
      l);
  }
3548 3549


3550 3551 3552 3553 3554 3555 3556
  ue->dlsch_MCH[0]->harq_processes[0]->G = get_G(&ue->frame_parms,
                   ue->dlsch_MCH[0]->harq_processes[0]->nb_rb,
                   ue->dlsch_MCH[0]->harq_processes[0]->rb_alloc_even,
                   ue->dlsch_MCH[0]->harq_processes[0]->Qm,
                   1,
                   2,
                   frame_rx,
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3557
                   nr_tti_rx,
3558 3559 3560 3561
                   0);

  dlsch_unscrambling(&ue->frame_parms,1,ue->dlsch_MCH[0],
         ue->dlsch_MCH[0]->harq_processes[0]->G,
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3562
         ue->pdsch_vars_MCH[0]->llr[0],0,nr_tti_rx<<1);
3563

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hbilel committed
3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574
#ifdef UE_DLSCH_PARALLELISATION
  ret = dlsch_decoding_mthread(ue,proc, eNB_id,
             ue->pdsch_vars_MCH[0]->llr[0],
             &ue->frame_parms,
             ue->dlsch_MCH[0],
             ue->dlsch_MCH[0]->harq_processes[0],
             frame_rx,
             nr_tti_rx,
             0,
             0,1);
#else
3575 3576 3577 3578 3579 3580
  ret = dlsch_decoding(ue,
           ue->pdsch_vars_MCH[0]->llr[0],
           &ue->frame_parms,
           ue->dlsch_MCH[0],
           ue->dlsch_MCH[0]->harq_processes[0],
           frame_rx,
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3581
           nr_tti_rx,
3582
           0,
3583
           0,1);
hbilel's avatar
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3584 3585
  printf("start pmch dlsch decoding\n");
#endif
3586
      } else { // abstraction
3587
#ifdef PHY_ABSTRACTION
3588
  ret = dlsch_decoding_emul(ue,
gabriel's avatar
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3589
          nr_tti_rx,
3590 3591
          5, // PMCH
          eNB_id);
3592
#endif
3593
      }
3594

3595
      if (mcch_active == 1)
3596
  ue->dlsch_mcch_trials[sync_area][0]++;
3597
      else
3598 3599
  ue->dlsch_mtch_trials[sync_area][0]++;

3600
      if (ret == (1+ue->dlsch_MCH[0]->max_turbo_iterations)) {
3601 3602 3603 3604 3605
  if (mcch_active == 1)
    ue->dlsch_mcch_errors[sync_area][0]++;
  else
    ue->dlsch_mtch_errors[sync_area][0]++;

gabriel's avatar
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3606
  LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: PMCH in error (%d,%d), not passing to L2 (TBS %d, iter %d,G %d)\n",
3607
        ue->Mod_id,
gabriel's avatar
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3608
              frame_rx,nr_tti_rx,
3609 3610 3611 3612 3613
        ue->dlsch_mcch_errors[sync_area][0],
        ue->dlsch_mtch_errors[sync_area][0],
        ue->dlsch_MCH[0]->harq_processes[0]->TBS>>3,
        ue->dlsch_MCH[0]->max_turbo_iterations,
        ue->dlsch_MCH[0]->harq_processes[0]->G);
gabriel's avatar
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3614
  dump_mch(ue,0,ue->dlsch_MCH[0]->harq_processes[0]->G,nr_tti_rx);
3615
#ifdef DEBUG_DLSCH
3616 3617 3618 3619 3620 3621

  for (int i=0; i<ue->dlsch_MCH[0]->harq_processes[0]->TBS>>3; i++) {
    LOG_T(PHY,"%02x.",ue->dlsch_MCH[0]->harq_processes[0]->c[0][i]);
  }

  LOG_T(PHY,"\n");
3622
#endif
3623

gabriel's avatar
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3624
  if (nr_tti_rx==9)
3625
    mac_xface->macphy_exit("Why are we exiting here?");
3626
      } else { // decoding successful
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3627
#if defined(Rel10) || defined(Rel14)
3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639

  if (mcch_active == 1) {
    mac_xface->ue_send_mch_sdu(ue->Mod_id,
             CC_id,
             frame_rx,
             ue->dlsch_MCH[0]->harq_processes[0]->b,
             ue->dlsch_MCH[0]->harq_processes[0]->TBS>>3,
             eNB_id,// not relevant in eMBMS context
             sync_area);
    ue->dlsch_mcch_received[sync_area][0]++;


gabriel's avatar
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3640 3641
    if (ue->dlsch_mch_received_sf[nr_tti_rx%5][0] == 1 ) {
      ue->dlsch_mch_received_sf[nr_tti_rx%5][0]=0;
3642 3643
    } else {
      ue->dlsch_mch_received[0]+=1;
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3644
      ue->dlsch_mch_received_sf[nr_tti_rx][0]=1;
3645 3646 3647 3648
    }


  }
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3649
#endif // Rel10 || Rel14
3650 3651 3652 3653
      } // decoding sucessful
    } // pmch_mcs>=0
  } // is_pmch_subframe=true
}
3654

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void copy_harq_proc_struct(LTE_DL_UE_HARQ_t *harq_processes_dest, LTE_DL_UE_HARQ_t *current_harq_processes)
{
      harq_processes_dest->B              = current_harq_processes->B              ;
      harq_processes_dest->C              = current_harq_processes->C              ;
      harq_processes_dest->Cminus         = current_harq_processes->Cminus         ;
      harq_processes_dest->Cplus          = current_harq_processes->Cplus          ;
      harq_processes_dest->DCINdi         = current_harq_processes->DCINdi         ;
      harq_processes_dest->F              = current_harq_processes->F              ;
      harq_processes_dest->G              = current_harq_processes->G              ;
      harq_processes_dest->Kminus         = current_harq_processes->Kminus         ;
      harq_processes_dest->Kplus          = current_harq_processes->Kplus          ;
      harq_processes_dest->Nl             = current_harq_processes->Nl             ;
      harq_processes_dest->Qm             = current_harq_processes->Qm             ;
      harq_processes_dest->TBS            = current_harq_processes->TBS            ;
      harq_processes_dest->b              = current_harq_processes->b              ;
      harq_processes_dest->codeword       = current_harq_processes->codeword       ;
      harq_processes_dest->delta_PUCCH    = current_harq_processes->delta_PUCCH    ;
      harq_processes_dest->dl_power_off   = current_harq_processes->dl_power_off   ;
      harq_processes_dest->first_tx       = current_harq_processes->first_tx       ;
      harq_processes_dest->mcs            = current_harq_processes->mcs            ;
      harq_processes_dest->mimo_mode      = current_harq_processes->mimo_mode      ;
      harq_processes_dest->nb_rb          = current_harq_processes->nb_rb          ;
      harq_processes_dest->pmi_alloc      = current_harq_processes->pmi_alloc      ;
      harq_processes_dest->rb_alloc_even[0]  = current_harq_processes->rb_alloc_even[0] ;
      harq_processes_dest->rb_alloc_even[1]  = current_harq_processes->rb_alloc_even[1] ;
      harq_processes_dest->rb_alloc_even[2]  = current_harq_processes->rb_alloc_even[2] ;
      harq_processes_dest->rb_alloc_even[3]  = current_harq_processes->rb_alloc_even[3] ;
      harq_processes_dest->rb_alloc_odd[0]  = current_harq_processes->rb_alloc_odd[0]  ;
      harq_processes_dest->rb_alloc_odd[1]  = current_harq_processes->rb_alloc_odd[1]  ;
      harq_processes_dest->rb_alloc_odd[2]  = current_harq_processes->rb_alloc_odd[2]  ;
      harq_processes_dest->rb_alloc_odd[3]  = current_harq_processes->rb_alloc_odd[3]  ;
      harq_processes_dest->round          = current_harq_processes->round          ;
      harq_processes_dest->rvidx          = current_harq_processes->rvidx          ;
      harq_processes_dest->status         = current_harq_processes->status         ;
      harq_processes_dest->vrb_type       = current_harq_processes->vrb_type       ;
}

void copy_ack_struct(harq_status_t *harq_ack_dest, harq_status_t *current_harq_ack)
{
    memcpy(harq_ack_dest, current_harq_ack, sizeof(harq_status_t));
}

3697
void ue_pdsch_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, int eNB_id, PDSCH_t pdsch, LTE_UE_DLSCH_t *dlsch0, LTE_UE_DLSCH_t *dlsch1, int s0, int s1, int abstraction_flag) {
3698

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3699
  int nr_tti_rx = proc->nr_tti_rx;
3700 3701 3702 3703
  int m;
  int harq_pid;
  int i_mod,eNB_id_i,dual_stream_UE;
  int first_symbol_flag=0;
3704

3705 3706
  if (dlsch0->active == 0)
    return;
3707

3708
  for (m=s0;m<=s1;m++) {
3709

3710 3711
    if (dlsch0 && (!dlsch1))  {
      harq_pid = dlsch0->current_harq_pid;
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3712
      LOG_D(PHY,"[UE %d] PDSCH active in nr_tti_rx %d, harq_pid %d Symbol %d\n",ue->Mod_id,nr_tti_rx,harq_pid,m);
3713

3714 3715 3716 3717 3718 3719 3720
      if ((pdsch==PDSCH) &&
          (ue->transmission_mode[eNB_id] == 5) &&
          (dlsch0->harq_processes[harq_pid]->dl_power_off==0) &&
          (ue->use_ia_receiver ==1)) {
        dual_stream_UE = 1;
        eNB_id_i = ue->n_connected_eNB;
        i_mod =  dlsch0->harq_processes[harq_pid]->Qm;
3721

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3722 3723 3724 3725 3726 3727 3728 3729
      }
      else if((pdsch==PDSCH) && (ue->transmission_mode[eNB_id]==3))
      {
          dual_stream_UE = rx_IC_dual_stream;
          eNB_id_i       = eNB_id;
          i_mod          = 0;
      }
      else {
3730 3731 3732
        dual_stream_UE = 0;
        eNB_id_i = eNB_id+1;
        i_mod = 0;
3733
      }
3734

3735 3736 3737
      //TM7 UE specific channel estimation here!!!
      if (ue->transmission_mode[eNB_id]==7) {
        if (ue->frame_parms.Ncp==0) {
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3738
          if ((m==3) || (m==6) || (m==9) || (m==12))
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3739 3740
            //LOG_D(PHY,"[UE %d] dlsch->active in nr_tti_rx %d => %d, l=%d\n",phy_vars_ue->Mod_id,nr_tti_rx,phy_vars_ue->dlsch_ue[eNB_id][0]->active, l);
            lte_dl_bf_channel_estimation(ue,eNB_id,0,nr_tti_rx*2+(m>6?1:0),5,m);
3741
        } else {
3742
          LOG_E(PHY,"[UE %d]Beamforming channel estimation not supported yet for TM7 extented CP.\n",ue->Mod_id);
3743
        }
3744
      }
3745

3746
      if ((m==s0) && (m<4))
3747
          first_symbol_flag = 1;
3748
      else
3749
          first_symbol_flag = 0;
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3750
#if UE_TIMING_TRACE
3751 3752 3753
      uint8_t slot = 0;
      if(m >= ue->frame_parms.symbols_per_tti>>1)
        slot = 1;
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3754
      start_meas(&ue->dlsch_llr_stats_parallelization[ue->current_thread_id[nr_tti_rx]][slot]);
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#endif
3756 3757 3758 3759 3760
      // process DLSCH received in first slot
      rx_pdsch(ue,
	       pdsch,
	       eNB_id,
	       eNB_id_i,
3761
	       proc->frame_rx,
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3762
	       nr_tti_rx,  // nr_tti_rx,
3763 3764 3765 3766 3767
	       m,
	       first_symbol_flag,
	       dual_stream_UE,
	       i_mod,
	       dlsch0->current_harq_pid);
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#if UE_TIMING_TRACE
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      stop_meas(&ue->dlsch_llr_stats_parallelization[ue->current_thread_id[nr_tti_rx]][slot]);
3770
#if DISABLE_LOG_X
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3771
    printf("[AbsSFN %d.%d] LLR Computation Symbol %d %5.2f \n",proc->frame_rx,nr_tti_rx,m,ue->dlsch_llr_stats_parallelization[ue->current_thread_id[nr_tti_rx]][slot].p_time/(cpuf*1000.0));
3772
#else
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3773
    LOG_D(PHY, "[AbsSFN %d.%d] LLR Computation Symbol %d %5.2f \n",proc->frame_rx,nr_tti_rx,m,ue->dlsch_llr_stats_parallelization[ue->current_thread_id[nr_tti_rx]][slot].p_time/(cpuf*1000.0));
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#endif
3775 3776
#endif

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3778 3779 3780 3781
      if(first_symbol_flag)
      {
          proc->first_symbol_available = 1;
      }
3782
    } // CRNTI active
3783
  }
3784
}
3785

3786
void process_rar(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, int eNB_id, runmode_t mode, int abstraction_flag) {
3787

3788
  int frame_rx = proc->frame_rx;
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3789
  int nr_tti_rx = proc->nr_tti_rx;
3790 3791 3792 3793
  int timing_advance;
  LTE_UE_DLSCH_t *dlsch0 = ue->dlsch_ra[eNB_id];
  int harq_pid = 0;
  uint8_t *rar;
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3794
  uint8_t next1_thread_id = ue->current_thread_id[nr_tti_rx]== (RX_NB_TH-1) ? 0:(ue->current_thread_id[nr_tti_rx]+1);
3795
  uint8_t next2_thread_id = next1_thread_id== (RX_NB_TH-1) ? 0:(next1_thread_id+1);
3796

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3797
  LOG_D(PHY,"[UE  %d][RAPROC] Frame %d nr_tti_rx %d Received RAR  mode %d\n",
3798 3799
  ue->Mod_id,
  frame_rx,
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3800
  nr_tti_rx, ue->UE_mode[eNB_id]);
3801 3802


3803
  if (ue->mac_enabled == 1) {
3804 3805
    if ((ue->UE_mode[eNB_id] != PUSCH) &&
  (ue->prach_resources[eNB_id]->Msg3!=NULL)) {
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3806
      LOG_D(PHY,"[UE  %d][RAPROC] Frame %d nr_tti_rx %d Invoking MAC for RAR (current preamble %d)\n",
3807
	    ue->Mod_id,frame_rx,
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3808
	    nr_tti_rx,
3809 3810 3811 3812 3813
	    ue->prach_resources[eNB_id]->ra_PreambleIndex);
      
      timing_advance = mac_xface->ue_process_rar(ue->Mod_id,
						 ue->CC_id,
						 frame_rx,
3814
						 ue->prach_resources[eNB_id]->ra_RNTI,
3815
						 dlsch0->harq_processes[0]->b,
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3816
						 &ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti,
3817 3818
						 ue->prach_resources[eNB_id]->ra_PreambleIndex,
						 dlsch0->harq_processes[0]->b); // alter the 'b' buffer so it contains only the selected RAR header and RAR payload
3819

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3820 3821
      ue->pdcch_vars[next1_thread_id][eNB_id]->crnti = ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti;
      ue->pdcch_vars[next2_thread_id][eNB_id]->crnti = ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti;
3822 3823
      
      if (timing_advance!=0xffff) {
3824

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3825
              LOG_D(PHY,"[UE  %d][RAPROC] Frame %d nr_tti_rx %d Got rnti %x and timing advance %d from RAR\n",
3826 3827
              ue->Mod_id,
              frame_rx,
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3828 3829
              nr_tti_rx,
              ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti,
3830
              timing_advance);
3831

3832
  // remember this c-rnti is still a tc-rnti
3833

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3834
  ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->crnti_is_temporary = 1;
3835
	      
3836 3837 3838 3839 3840 3841
	//timing_advance = 0;
	process_timing_advance_rar(ue,proc,timing_advance);
	      
	if (mode!=debug_prach) {
	  ue->ulsch_Msg3_active[eNB_id]=1;
	  get_Msg3_alloc(&ue->frame_parms,
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3842
			 nr_tti_rx,
3843 3844 3845 3846
			 frame_rx,
			 &ue->ulsch_Msg3_frame[eNB_id],
			 &ue->ulsch_Msg3_subframe[eNB_id]);
	  
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3847
	  LOG_D(PHY,"[UE  %d][RAPROC] Got Msg3_alloc Frame %d nr_tti_rx %d: Msg3_frame %d, Msg3_subframe %d\n",
3848 3849
		ue->Mod_id,
		frame_rx,
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3850
		nr_tti_rx,
3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863
		ue->ulsch_Msg3_frame[eNB_id],
		ue->ulsch_Msg3_subframe[eNB_id]);
	  harq_pid = subframe2harq_pid(&ue->frame_parms,
				       ue->ulsch_Msg3_frame[eNB_id],
				       ue->ulsch_Msg3_subframe[eNB_id]);
	  ue->ulsch[eNB_id]->harq_processes[harq_pid]->round = 0;
	  
	  ue->UE_mode[eNB_id] = RA_RESPONSE;
	  //      ue->Msg3_timer[eNB_id] = 10;
	  ue->ulsch[eNB_id]->power_offset = 6;
	  ue->ulsch_no_allocation_counter[eNB_id] = 0;
	}
      } else { // PRACH preamble doesn't match RAR
3864 3865 3866
  LOG_W(PHY,"[UE  %d][RAPROC] Received RAR preamble (%d) doesn't match !!!\n",
        ue->Mod_id,
        ue->prach_resources[eNB_id]->ra_PreambleIndex);
3867
      }
3868 3869 3870 3871 3872 3873 3874
    } // mode != PUSCH
  }
  else {
    rar = dlsch0->harq_processes[0]->b+1;
    timing_advance = ((((uint16_t)(rar[0]&0x7f))<<4) + (rar[1]>>4));
    process_timing_advance_rar(ue,proc,timing_advance);
  }
3875

3876
}
3877

3878 3879 3880 3881 3882 3883 3884 3885 3886
void ue_dlsch_procedures(PHY_VARS_UE *ue,
       UE_rxtx_proc_t *proc,
       int eNB_id,
       PDSCH_t pdsch,
       LTE_UE_DLSCH_t *dlsch0,
       LTE_UE_DLSCH_t *dlsch1,
       int *dlsch_errors,
       runmode_t mode,
       int abstraction_flag) {
3887

3888 3889
  int harq_pid;
  int frame_rx = proc->frame_rx;
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3890
  int nr_tti_rx = proc->nr_tti_rx;
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3891
  int ret=0, ret1=0;
3892 3893
  int CC_id = ue->CC_id;
  LTE_UE_PDSCH *pdsch_vars;
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3894 3895 3896 3897 3898
  uint8_t is_cw0_active = 0;
  uint8_t is_cw1_active = 0;

  if (dlsch0==NULL)
      AssertFatal(0,"dlsch0 should be defined at this level \n");
3899

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3900 3901 3902 3903 3904 3905
  harq_pid = dlsch0->current_harq_pid;
  is_cw0_active = dlsch0->harq_processes[harq_pid]->status;

  if(dlsch1)
    is_cw1_active = dlsch1->harq_processes[harq_pid]->status;

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3906 3907
  LOG_D(PHY,"AbsSubframe %d.%d Start Turbo Decoder for CW0 [harq_pid %d] ? %d \n", frame_rx%1024, nr_tti_rx, harq_pid, is_cw0_active);
  LOG_D(PHY,"AbsSubframe %d.%d Start Turbo Decoder for CW1 [harq_pid %d] ? %d \n", frame_rx%1024, nr_tti_rx, harq_pid, is_cw1_active);
3908

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3909 3910 3911 3912 3913 3914 3915 3916 3917 3918
  if(is_cw0_active && is_cw1_active)
  {
      dlsch0->Kmimo = 2;
      dlsch1->Kmimo = 2;
  }
  else
  {
      dlsch0->Kmimo = 1;
  }
  if (1) {
3919 3920 3921 3922 3923 3924 3925
    switch (pdsch) {
    case SI_PDSCH:
      pdsch_vars = ue->pdsch_vars_SI[eNB_id];
      break;
    case RA_PDSCH:
      pdsch_vars = ue->pdsch_vars_ra[eNB_id];
      break;
3926 3927 3928
    case P_PDSCH:
      pdsch_vars = ue->pdsch_vars_p[eNB_id];
      break;
3929
    case PDSCH:
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3930
      pdsch_vars = ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id];
3931 3932 3933 3934 3935 3936 3937
      break;
    case PMCH:
    case PDSCH1:
      LOG_E(PHY,"Illegal PDSCH %d for ue_pdsch_procedures\n",pdsch);
      pdsch_vars = NULL;
      return;
      break;
3938 3939 3940 3941 3942
    default:
      pdsch_vars = NULL;
      return;
      break;

3943 3944 3945
    }
    if (frame_rx < *dlsch_errors)
      *dlsch_errors=0;
3946

3947 3948
    if (pdsch==RA_PDSCH) {
      if (ue->prach_resources[eNB_id]!=NULL)
3949
  dlsch0->rnti = ue->prach_resources[eNB_id]->ra_RNTI;
3950
      else {
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3951
  LOG_E(PHY,"[UE %d] Frame %d, nr_tti_rx %d: FATAL, prach_resources is NULL\n",ue->Mod_id,frame_rx,nr_tti_rx);
3952 3953
  mac_xface->macphy_exit("prach_resources is NULL");
  return;
3954 3955 3956
      }
    }

3957
    if (abstraction_flag == 0) {
3958

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3959
      // start turbo decode for CW 0
3960 3961 3962 3963 3964
      dlsch0->harq_processes[harq_pid]->G = get_G(&ue->frame_parms,
						  dlsch0->harq_processes[harq_pid]->nb_rb,
						  dlsch0->harq_processes[harq_pid]->rb_alloc_even,
						  dlsch0->harq_processes[harq_pid]->Qm,
						  dlsch0->harq_processes[harq_pid]->Nl,
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3965
						  ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
3966
						  frame_rx,
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3967
						  nr_tti_rx,
3968
						  ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id]);
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3969
#if UE_TIMING_TRACE
3970
      start_meas(&ue->dlsch_unscrambling_stats);
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3971
#endif
3972 3973 3974 3975 3976 3977
      dlsch_unscrambling(&ue->frame_parms,
			 0,
			 dlsch0,
			 dlsch0->harq_processes[harq_pid]->G,
			 pdsch_vars->llr[0],
			 0,
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3978
			 nr_tti_rx<<1);
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3979
#if UE_TIMING_TRACE
3980
      stop_meas(&ue->dlsch_unscrambling_stats);
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3981
#endif
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3982 3983

#if 0
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3984 3985 3986 3987 3988 3989 3990 3991
      LOG_I(PHY," ------ start turbo decoder for AbsSubframe %d.%d / %d  ------  \n", frame_rx, nr_tti_rx, harq_pid);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d --> nb_rb %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch0->harq_processes[harq_pid]->nb_rb);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d  --> rb_alloc_even %x \n", frame_rx, nr_tti_rx, harq_pid, dlsch0->harq_processes[harq_pid]->rb_alloc_even);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d  --> Qm %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch0->harq_processes[harq_pid]->Qm);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d  --> Nl %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch0->harq_processes[harq_pid]->Nl);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d  --> G  %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch0->harq_processes[harq_pid]->G);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d  --> Kmimo  %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch0->Kmimo);
      LOG_I(PHY,"start turbo decode for CW 0 for AbsSubframe %d.%d / %d  --> Pdcch Sym  %d \n", frame_rx, nr_tti_rx, harq_pid, ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols);
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3992
#endif
3993

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3994
#if UE_TIMING_TRACE
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3995
      start_meas(&ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]]);
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3996
#endif
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3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009

#ifdef UE_DLSCH_PARALLELISATION
		 ret = dlsch_decoding_mthread(ue,proc,eNB_id,
			   pdsch_vars->llr[0],
			   &ue->frame_parms,
			   dlsch0,
			   dlsch0->harq_processes[harq_pid],
			   frame_rx,
			   nr_tti_rx,
			   harq_pid,
			   pdsch==PDSCH?1:0,
			   dlsch0->harq_processes[harq_pid]->TBS>256?1:0);
#else
4010 4011 4012 4013 4014
      ret = dlsch_decoding(ue,
			   pdsch_vars->llr[0],
			   &ue->frame_parms,
			   dlsch0,
			   dlsch0->harq_processes[harq_pid],
4015
			   frame_rx,
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4016
			   nr_tti_rx,
4017
			   harq_pid,
4018
			   pdsch==PDSCH?1:0,//proc->decoder_switch,
4019
			   dlsch0->harq_processes[harq_pid]->TBS>256?1:0);
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4020
      //printf("start cW0 dlsch decoding\n");
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4021
#endif
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4022

4023
#if UE_TIMING_TRACE
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4024
      stop_meas(&ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]]);
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4025
#if DISABLE_LOG_X
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4026
      printf(" --> Unscrambling for CW0 %5.3f\n",
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4027
              (ue->dlsch_unscrambling_stats.p_time)/(cpuf*1000.0));
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      printf("AbsSubframe %d.%d --> Turbo Decoding for CW0 %5.3f\n",
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              frame_rx%1024, nr_tti_rx,(ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]].p_time)/(cpuf*1000.0));
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#else
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      LOG_I(PHY, " --> Unscrambling for CW0 %5.3f\n",
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              (ue->dlsch_unscrambling_stats.p_time)/(cpuf*1000.0));
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4033
      LOG_I(PHY, "AbsSubframe %d.%d --> Turbo Decoding for CW0 %5.3f\n",
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              frame_rx%1024, nr_tti_rx,(ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]].p_time)/(cpuf*1000.0));
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#endif

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#endif
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      if(is_cw1_active)
      {
          // start turbo decode for CW 1
          dlsch1->harq_processes[harq_pid]->G = get_G(&ue->frame_parms,
                  dlsch1->harq_processes[harq_pid]->nb_rb,
                  dlsch1->harq_processes[harq_pid]->rb_alloc_even,
                  dlsch1->harq_processes[harq_pid]->Qm,
                  dlsch1->harq_processes[harq_pid]->Nl,
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4046
                  ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
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4047
                  frame_rx,
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                  nr_tti_rx,
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                  ue->transmission_mode[eNB_id]<7?0:ue->transmission_mode[eNB_id]);
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#if UE_TIMING_TRACE
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          start_meas(&ue->dlsch_unscrambling_stats);
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#endif
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          dlsch_unscrambling(&ue->frame_parms,
                  0,
                  dlsch1,
                  dlsch1->harq_processes[harq_pid]->G,
                  pdsch_vars->llr[1],
                  1,
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4059
                  nr_tti_rx<<1);
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#if UE_TIMING_TRACE
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          stop_meas(&ue->dlsch_unscrambling_stats);
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#endif
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#if 0
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          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d --> nb_rb %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch1->harq_processes[harq_pid]->nb_rb);
          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d  --> rb_alloc_even %x \n", frame_rx, nr_tti_rx, harq_pid, dlsch1->harq_processes[harq_pid]->rb_alloc_even);
          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d  --> Qm %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch1->harq_processes[harq_pid]->Qm);
          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d  --> Nl %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch1->harq_processes[harq_pid]->Nl);
          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d  --> G  %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch1->harq_processes[harq_pid]->G);
          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d  --> Kmimo  %d \n", frame_rx, nr_tti_rx, harq_pid, dlsch1->Kmimo);
          LOG_I(PHY,"start turbo decode for CW 1 for AbsSubframe %d.%d / %d  --> Pdcch Sym  %d \n", frame_rx, nr_tti_rx, harq_pid, ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols);
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4072
#endif
4073

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4074
#if UE_TIMING_TRACE
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4075
          start_meas(&ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]]);
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#endif
4077

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#ifdef UE_DLSCH_PARALLELISATION
          ret1 = dlsch_decoding_mthread(ue,proc, eNB_id,
                            pdsch_vars->llr[1],
                            &ue->frame_parms,
                            dlsch1,
                            dlsch1->harq_processes[harq_pid],
                            frame_rx,
                            nr_tti_rx,
                            harq_pid,
                            pdsch==PDSCH?1:0,
                            dlsch1->harq_processes[harq_pid]->TBS>256?1:0);
#else

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          ret1 = dlsch_decoding(ue,
                  pdsch_vars->llr[1],
                  &ue->frame_parms,
                  dlsch1,
                  dlsch1->harq_processes[harq_pid],
                  frame_rx,
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                  nr_tti_rx,
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4098
                  harq_pid,
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                  pdsch==PDSCH?1:0,//proc->decoder_switch,
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                  dlsch1->harq_processes[harq_pid]->TBS>256?1:0);
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          printf("start cw1 dlsch decoding\n");
#endif
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4103

4104
#if UE_TIMING_TRACE
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          stop_meas(&ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]]);
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4106
#if DISABLE_LOG_X
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          printf(" --> Unscrambling for CW1 %5.3f\n",
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4108
                  (ue->dlsch_unscrambling_stats.p_time)/(cpuf*1000.0));
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          printf("AbsSubframe %d.%d --> Turbo Decoding for CW1 %5.3f\n",
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                  frame_rx%1024, nr_tti_rx,(ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]].p_time)/(cpuf*1000.0));
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#else
          LOG_D(PHY, " --> Unscrambling for CW1 %5.3f\n",
                  (ue->dlsch_unscrambling_stats.p_time)/(cpuf*1000.0));
          LOG_D(PHY, "AbsSubframe %d.%d --> Turbo Decoding for CW1 %5.3f\n",
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                  frame_rx%1024, nr_tti_rx,(ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]].p_time)/(cpuf*1000.0));
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#endif

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#endif
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          LOG_I(PHY,"AbsSubframe %d.%d --> Turbo Decoding for CW1 %5.3f\n",
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                  frame_rx%1024, nr_tti_rx,(ue->dlsch_decoding_stats[ue->current_thread_id[nr_tti_rx]].p_time)/(cpuf*1000.0));
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      }
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4122

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      LOG_D(PHY," ------ end turbo decoder for AbsSubframe %d.%d ------  \n", frame_rx, nr_tti_rx);
4124
    }
4125

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    else {
      LOG_D(PHY,"Calling dlsch_decoding_emul ...\n");
4128
#ifdef PHY_ABSTRACTION
4129
      ret = dlsch_decoding_emul(ue,
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        nr_tti_rx,
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        pdsch,
        eNB_id);
4133
#endif
4134
    }
4135

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    // Check CRC for CW 0
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    if (ret == (1+dlsch0->max_turbo_iterations)) {
      *dlsch_errors=*dlsch_errors+1;
4139

4140
      if(dlsch0->rnti != 0xffff)
4141
      {
4142
      LOG_D(PHY,"[UE  %d][PDSCH %x/%d] AbsSubframe %d.%d : DLSCH CW0 in error (rv %d,round %d, mcs %d,TBS %d)\n",
4143
            ue->Mod_id,dlsch0->rnti,
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            harq_pid,frame_rx,nr_tti_rx,
4145
            dlsch0->harq_processes[harq_pid]->rvidx,
4146
            dlsch0->harq_processes[harq_pid]->round,
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            dlsch0->harq_processes[harq_pid]->mcs,
            dlsch0->harq_processes[harq_pid]->TBS);
4149
      }
4150

4151

4152
    } else {
4153
        if(dlsch0->rnti != 0xffff)
4154
        {
4155
      LOG_D(PHY,"[UE  %d][PDSCH %x/%d] AbsSubframe %d.%d : Received DLSCH CW0 (rv %d,round %d, mcs %d,TBS %d)\n",
4156
            ue->Mod_id,dlsch0->rnti,
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4157
            harq_pid,frame_rx,nr_tti_rx,
4158
            dlsch0->harq_processes[harq_pid]->rvidx,
4159
            dlsch0->harq_processes[harq_pid]->round,
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            dlsch0->harq_processes[harq_pid]->mcs,
            dlsch0->harq_processes[harq_pid]->TBS);
4162
        }
4163

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#ifdef DEBUG_DLSCH
      int j;
      LOG_D(PHY,"dlsch harq_pid %d (rx): \n",dlsch0->current_harq_pid);
4167

4168
      for (j=0; j<dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS>>3; j++)
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  LOG_T(PHY,"%x.",dlsch0->harq_processes[dlsch0->current_harq_pid]->b[j]);

4171
      LOG_T(PHY,"\n");
4172
#endif
4173

4174 4175 4176

  switch (pdsch) {
  case PDSCH:
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      if (ue->mac_enabled == 1) 
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    mac_xface->ue_send_sdu(ue->Mod_id,
         CC_id,
         frame_rx,
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         nr_tti_rx,
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         dlsch0->harq_processes[dlsch0->current_harq_pid]->b,
         dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS>>3,
         eNB_id);
    break;
  case SI_PDSCH:
    mac_xface->ue_decode_si(ue->Mod_id,
          CC_id,
          frame_rx,
          eNB_id,
          ue->dlsch_SI[eNB_id]->harq_processes[0]->b,
          ue->dlsch_SI[eNB_id]->harq_processes[0]->TBS>>3);
    break;
  case P_PDSCH:
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      if (ue->mac_enabled == 1) 
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    mac_xface->ue_decode_p(ue->Mod_id,
         CC_id,
         frame_rx,
         eNB_id,
         ue->dlsch_SI[eNB_id]->harq_processes[0]->b,
         ue->dlsch_SI[eNB_id]->harq_processes[0]->TBS>>3);
    break;
  case RA_PDSCH:
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      if (ue->mac_enabled == 1) 
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    process_rar(ue,proc,eNB_id,mode,abstraction_flag);
    break;
  case PDSCH1:
    LOG_E(PHY,"Shouldn't have PDSCH1 yet, come back later\n");
    AssertFatal(1==0,"exiting");
    break;
  case PMCH:
    LOG_E(PHY,"Shouldn't have PMCH here\n");
    AssertFatal(1==0,"exiting");
    break;
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4216
      }
4217
      ue->total_TBS[eNB_id] =  ue->total_TBS[eNB_id] +
4218
  dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS;
4219
      ue->total_received_bits[eNB_id] = ue->total_TBS[eNB_id] +
4220
  dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS;
4221
    }
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    // Check CRC for CW 1
    if(is_cw1_active)
    {
        if (ret1 == (1+dlsch0->max_turbo_iterations)) {
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            LOG_I(PHY,"[UE  %d][PDSCH %x/%d] Frame %d nr_tti_rx %d DLSCH CW1 in error (rv %d,mcs %d,TBS %d)\n",
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                    ue->Mod_id,dlsch0->rnti,
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                    harq_pid,frame_rx,nr_tti_rx,
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                    dlsch0->harq_processes[harq_pid]->rvidx,
                    dlsch0->harq_processes[harq_pid]->mcs,
                    dlsch0->harq_processes[harq_pid]->TBS);

        } else {
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4234
            LOG_I(PHY,"[UE  %d][PDSCH %x/%d] Frame %d nr_tti_rx %d: Received DLSCH CW1 (rv %d,mcs %d,TBS %d)\n",
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4235
                    ue->Mod_id,dlsch0->rnti,
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                    harq_pid,frame_rx,nr_tti_rx,
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                    dlsch0->harq_processes[harq_pid]->rvidx,
                    dlsch0->harq_processes[harq_pid]->mcs,
                    dlsch0->harq_processes[harq_pid]->TBS);


            if (ue->mac_enabled == 1) {
                switch (pdsch) {
                case PDSCH:
                    if(is_cw1_active)
                        mac_xface->ue_send_sdu(ue->Mod_id,
                                CC_id,
                                frame_rx,
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                                nr_tti_rx,
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                                dlsch1->harq_processes[dlsch1->current_harq_pid]->b,
                                dlsch1->harq_processes[dlsch1->current_harq_pid]->TBS>>3,
                                eNB_id);
                    break;
                case SI_PDSCH:
                case P_PDSCH:
                case RA_PDSCH:
                case PDSCH1:
                case PMCH:
                    AssertFatal(0,"exiting");
                    break;
                }
            }
        }
    }
4265

4266
#ifdef DEBUG_PHY_PROC
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4267
    LOG_D(PHY,"[UE  %d][PDSCH %x/%d] Frame %d nr_tti_rx %d: PDSCH/DLSCH decoding iter %d (mcs %d, rv %d, TBS %d)\n",
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    ue->Mod_id,
    dlsch0->rnti,harq_pid,
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    frame_rx,nr_tti_rx,ret,
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    dlsch0->harq_processes[harq_pid]->mcs,
    dlsch0->harq_processes[harq_pid]->rvidx,
    dlsch0->harq_processes[harq_pid]->TBS);

4275
    if (frame_rx%100==0) {
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4276
      LOG_D(PHY,"[UE  %d][PDSCH %x] Frame %d nr_tti_rx %d dlsch_errors %d, dlsch_received %d, dlsch_fer %d, current_dlsch_cqi %d\n",
4277
      ue->Mod_id,dlsch0->rnti,
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4278
      frame_rx,nr_tti_rx,
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      ue->dlsch_errors[eNB_id],
      ue->dlsch_received[eNB_id],
      ue->dlsch_fer[eNB_id],
      ue->measurements.wideband_cqi_tot[eNB_id]);
4283
    }
4284

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#endif

4287
  }
4288

4289

4290
}
4291

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/*!
 * \brief This is the UE synchronize thread.
 * It performs band scanning and synchonization.
 * \param arg is a pointer to a \ref PHY_VARS_UE structure.
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
4298
#ifdef UE_SLOT_PARALLELISATION
4299
#define FIFO_PRIORITY   40
4300
void *UE_thread_slot1_dl_processing(void *arg) {
4301

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    static __thread int UE_dl_slot1_processing_retval;
    struct rx_tx_thread_data *rtd = arg;
    UE_rxtx_proc_t *proc = rtd->proc;
    PHY_VARS_UE    *ue   = rtd->UE;

    int frame_rx;
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    uint8_t nr_tti_rx;
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    uint8_t pilot0;
    uint8_t pilot1;
    uint8_t slot1;

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4313
    uint8_t next_nr_tti_rx;
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    uint8_t next_subframe_slot0;

    proc->instance_cnt_slot1_dl_processing=-1;
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4317
    proc->nr_tti_rx=proc->sub_frame_start;
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    char threadname[256];
    sprintf(threadname,"UE_thread_slot1_dl_processing_%d", proc->sub_frame_start);

    cpu_set_t cpuset;
    CPU_ZERO(&cpuset);
    if ( (proc->sub_frame_start+1)%RX_NB_TH == 0 && threads.slot1_proc_one != -1 )
        CPU_SET(threads.slot1_proc_one, &cpuset);
    if ( (proc->sub_frame_start+1)%RX_NB_TH == 1 && threads.slot1_proc_two != -1 )
        CPU_SET(threads.slot1_proc_two, &cpuset);
    if ( (proc->sub_frame_start+1)%RX_NB_TH == 2 && threads.slot1_proc_three != -1 )
        CPU_SET(threads.slot1_proc_three, &cpuset);

    init_thread(900000,1000000 , FIFO_PRIORITY-1, &cpuset,
                threadname);

    while (!oai_exit) {
        if (pthread_mutex_lock(&proc->mutex_slot1_dl_processing) != 0) {
            LOG_E( PHY, "[SCHED][UE] error locking mutex for UE slot1 dl processing\n" );
            exit_fun("nothing to add");
        }
        while (proc->instance_cnt_slot1_dl_processing < 0) {
            // most of the time, the thread is waiting here
            pthread_cond_wait( &proc->cond_slot1_dl_processing, &proc->mutex_slot1_dl_processing );
        }
        if (pthread_mutex_unlock(&proc->mutex_slot1_dl_processing) != 0) {
            LOG_E( PHY, "[SCHED][UE] error unlocking mutex for UE slot1 dl processing \n" );
            exit_fun("nothing to add");
        }

        /*for(int th_idx=0; th_idx< RX_NB_TH; th_idx++)
        {
        frame_rx    = ue->proc.proc_rxtx[0].frame_rx;
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        nr_tti_rx = ue->proc.proc_rxtx[0].nr_tti_rx;
        printf("AbsSubframe %d.%d execute dl slot1 processing \n", frame_rx, nr_tti_rx);
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        }*/
        frame_rx    = proc->frame_rx;
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        nr_tti_rx = proc->nr_tti_rx;
        next_nr_tti_rx    = (1+nr_tti_rx)%10;
        next_subframe_slot0 = next_nr_tti_rx<<1;
4358

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4359
        slot1  = (nr_tti_rx<<1) + 1;
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        pilot0 = 0;

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4362
        //printf("AbsSubframe %d.%d execute dl slot1 processing \n", frame_rx, nr_tti_rx);
4363 4364 4365 4366 4367 4368 4369 4370 4371

        if (ue->frame_parms.Ncp == 0) {  // normal prefix
            pilot1 = 4;
        } else { // extended prefix
            pilot1 = 3;
        }

        /**** Slot1 FE Processing ****/
#if UE_TIMING_TRACE
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4372
        start_meas(&ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1]);
4373 4374
#endif
        // I- start dl slot1 processing
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4375
        // do first symbol of next downlink nr_tti_rx for channel estimation
4376
        /*
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4377 4378
        // 1- perform FFT for pilot ofdm symbols first (ofdmSym0 next nr_tti_rx ofdmSym11)
        if (subframe_select(&ue->frame_parms,next_nr_tti_rx) != SF_UL)
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        {
            front_end_fft(ue,
                    pilot0,
                    next_subframe_slot0,
                    0,
                    0);
        }

        front_end_fft(ue,
                pilot1,
                slot1,
                0,
                0);
         */
        // 1- perform FFT
        for (int l=1; l<ue->frame_parms.symbols_per_tti>>1; l++)
        {
            //if( (l != pilot0) && (l != pilot1))
            {
#if UE_TIMING_TRACE
                start_meas(&ue->ofdm_demod_stats);
#endif
                VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
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                //printf("AbsSubframe %d.%d FFT slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot1,l);
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                front_end_fft(ue,
                        l,
                        slot1,
                        0,
                        0);
                VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
#if UE_TIMING_TRACE
                stop_meas(&ue->ofdm_demod_stats);
4411
#endif
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            }
        } // for l=1..l2
4414

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4415
        if (subframe_select(&ue->frame_parms,next_nr_tti_rx) != SF_UL)
4416
        {
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4417
            //printf("AbsSubframe %d.%d FFT slot %d, symbol %d\n", frame_rx,nr_tti_rx,next_subframe_slot0,pilot0);
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            front_end_fft(ue,
                    pilot0,
                    next_subframe_slot0,
                    0,
                    0);
        }

        // 2- perform Channel Estimation for slot1
        for (int l=1; l<ue->frame_parms.symbols_per_tti>>1; l++)
        {
            if(l == pilot1)
            {
                //wait until channel estimation for pilot0/slot1 is available
                uint32_t wait = 0;
                while(proc->chan_est_pilot0_slot1_available == 0)
                {
                    usleep(1);
                    wait++;
                }
4437
                //printf("[slot1 dl processing] ChanEst symbol %d slot %d wait%d\n",l,slot1,wait);
4438
            }
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4439
            //printf("AbsSubframe %d.%d ChanEst slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot1,l);
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            front_end_chanEst(ue,
                    l,
                    slot1,
                    0);
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4444
            ue_measurement_procedures(l-1,ue,proc,0,1+(nr_tti_rx<<1),0,ue->mode);
4445
        }
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4446
        //printf("AbsSubframe %d.%d ChanEst slot %d, symbol %d\n", frame_rx,nr_tti_rx,next_subframe_slot0,pilot0);
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        front_end_chanEst(ue,
                pilot0,
                next_subframe_slot0,
                0);

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4452
        if ( (nr_tti_rx == 0) && (ue->decode_MIB == 1))
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        {
            ue_pbch_procedures(0,ue,proc,0);
        }

        proc->chan_est_slot1_available = 1;
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        //printf("Set available slot 1channelEst to 1 AbsSubframe %d.%d \n",frame_rx,nr_tti_rx);
        //printf(" [slot1 dl processing] ==> FFT/CHanEst Done for AbsSubframe %d.%d \n", proc->frame_rx, proc->nr_tti_rx);
4460

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4461
        //printf(" [slot1 dl processing] ==> Start LLR Comuptation slot1 for AbsSubframe %d.%d \n", proc->frame_rx, proc->nr_tti_rx);
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#if UE_TIMING_TRACE
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        stop_meas(&ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1]);
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#if DISABLE_LOG_X
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        printf("[AbsSFN %d.%d] Slot1: FFT + Channel Estimate + Pdsch Proc Slot0 %5.2f \n",frame_rx,nr_tti_rx,ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1].p_time/(cpuf*1000.0));
4468
#else
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        LOG_D(PHY, "[AbsSFN %d.%d] Slot1: FFT + Channel Estimate + Pdsch Proc Slot0 %5.2f \n",frame_rx,nr_tti_rx,ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1].p_time/(cpuf*1000.0));
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#endif
#endif


    //wait until pdcch is decoded
    uint32_t wait = 0;
    while(proc->dci_slot0_available == 0)
    {
        usleep(1);
        wait++;
    }
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    //printf("[slot1 dl processing] AbsSubframe %d.%d LLR Computation Start wait DCI %d\n",frame_rx,nr_tti_rx,wait);
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    /**** Pdsch Procedure Slot1 ****/
    // start slot1 thread for Pdsch Procedure (slot1)
    // do procedures for C-RNTI
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    //printf("AbsSubframe %d.%d Pdsch Procedure (slot1)\n",frame_rx,nr_tti_rx);
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#if UE_TIMING_TRACE
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    start_meas(&ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1]);
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#endif
    // start slave thread for Pdsch Procedure (slot1)
    // do procedures for C-RNTI
    uint8_t eNB_id = 0;
    uint8_t abstraction_flag = 0;
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    if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
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        //wait until first ofdm symbol is processed
        //wait = 0;
        //while(proc->first_symbol_available == 0)
        //{
        //    usleep(1);
        //    wait++;
        //}
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        //printf("[slot1 dl processing] AbsSubframe %d.%d LLR Computation Start wait First Ofdm Sym %d\n",frame_rx,nr_tti_rx,wait);
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        //VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                PDSCH,
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                ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
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                NULL,
                (ue->frame_parms.symbols_per_tti>>1),
                ue->frame_parms.symbols_per_tti-1,
                abstraction_flag);
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        LOG_D(PHY," ------ end PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
        LOG_D(PHY," ------ --> PDSCH Turbo Decoder slot 0/1: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
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    }

    // do procedures for SI-RNTI
    if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                SI_PDSCH,
                ue->dlsch_SI[eNB_id],
                NULL,
                (ue->frame_parms.symbols_per_tti>>1),
                ue->frame_parms.symbols_per_tti-1,
                abstraction_flag);
    }

    // do procedures for P-RNTI
    if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                P_PDSCH,
                ue->dlsch_p[eNB_id],
                NULL,
                (ue->frame_parms.symbols_per_tti>>1),
                ue->frame_parms.symbols_per_tti-1,
                abstraction_flag);
    }
    // do procedures for RA-RNTI
    if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                RA_PDSCH,
                ue->dlsch_ra[eNB_id],
                NULL,
                (ue->frame_parms.symbols_per_tti>>1),
                ue->frame_parms.symbols_per_tti-1,
                abstraction_flag);
    }

    proc->llr_slot1_available=1;
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    //printf("Set available LLR slot1 to 1 AbsSubframe %d.%d \n",frame_rx,nr_tti_rx);
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#if UE_TIMING_TRACE
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    stop_meas(&ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1]);
4564
#if DISABLE_LOG_X
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    printf("[AbsSFN %d.%d] Slot1: LLR Computation %5.2f \n",frame_rx,nr_tti_rx,ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1].p_time/(cpuf*1000.0));
4566
#else
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    LOG_D(PHY, "[AbsSFN %d.%d] Slot1: LLR Computation %5.2f \n",frame_rx,nr_tti_rx,ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][1].p_time/(cpuf*1000.0));
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#endif
#endif


        if (pthread_mutex_lock(&proc->mutex_slot1_dl_processing) != 0) {
            LOG_E( PHY, "[SCHED][UE] error locking mutex for UE RXTX\n" );
            exit_fun("noting to add");
        }
        proc->instance_cnt_slot1_dl_processing--;
        if (pthread_mutex_unlock(&proc->mutex_slot1_dl_processing) != 0) {
            LOG_E( PHY, "[SCHED][UE] error unlocking mutex for UE FEP Slo1\n" );
            exit_fun("noting to add");
        }
    }
    // thread finished
        free(arg);
        return &UE_dl_slot1_processing_retval;
}
4586
#endif
4587

4588
#ifdef UE_SLOT_PARALLELISATION
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int phy_procedures_slot_parallelization_UE_RX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,
        uint8_t abstraction_flag,uint8_t do_pdcch_flag,runmode_t mode,
        relaying_type_t r_type,PHY_VARS_RN *phy_vars_rn)  {
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    int l,l2;
    int pmch_flag=0;
    int frame_rx = proc->frame_rx;
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    int nr_tti_rx = proc->nr_tti_rx;
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    uint8_t pilot0;
    uint8_t pilot1;
    uint8_t slot0;
    uint8_t slot1;
    uint8_t first_ofdm_sym;

    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_IN);

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#if T_TRACER
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    T(T_UE_PHY_DL_TICK, T_INT(ue->Mod_id), T_INT(frame_rx%1024), T_INT(nr_tti_rx));
4607

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    T(T_UE_PHY_INPUT_SIGNAL, T_INT(ue->Mod_id), T_INT(frame_rx%1024), T_INT(nr_tti_rx), T_INT(0),
            T_BUFFER(&ue->common_vars.rxdata[0][nr_tti_rx*ue->frame_parms.samples_per_subframe],
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                    ue->frame_parms.samples_per_subframe * 4));
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#endif
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    // start timers
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#ifdef UE_DEBUG_TRACE
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    LOG_I(PHY," ****** start RX-Chain for AbsSubframe %d.%d ******  \n", frame_rx%1024, nr_tti_rx);
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#endif

#if UE_TIMING_TRACE
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    start_meas(&ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]]);
    start_meas(&ue->ue_front_end_stat[ue->current_thread_id[nr_tti_rx]]);
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#endif
4622

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    pmch_flag = is_pmch_subframe(frame_rx,nr_tti_rx,&ue->frame_parms) ? 1 : 0;
4624

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    if (do_pdcch_flag) {
        // deactivate reception until we scan pdcch
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        if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0])
            ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active = 0;
        if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][1])
            ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][1]->active = 0;
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        if (ue->dlsch_SI[eNB_id])
            ue->dlsch_SI[eNB_id]->active = 0;
        if (ue->dlsch_p[eNB_id])
            ue->dlsch_p[eNB_id]->active = 0;
        if (ue->dlsch_ra[eNB_id])
            ue->dlsch_ra[eNB_id]->active = 0;
    }

#ifdef DEBUG_PHY_PROC
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4641
    LOG_D(PHY,"[%s %d] Frame %d nr_tti_rx %d: Doing phy_procedures_UE_RX\n",
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            (r_type == multicast_relay) ? "RN/UE" : "UE",
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                    ue->Mod_id,frame_rx, nr_tti_rx);
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#endif
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    if (subframe_select(&ue->frame_parms,nr_tti_rx) == SF_S) { // S-subframe, do first 5 symbols only
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        l2 = 5;
    } else if (pmch_flag == 1) { // do first 2 symbols only
        l2 = 1;
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    } else { // normal nr_tti_rx, last symbol to be processed is the first of the second slot
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        l2 = (ue->frame_parms.symbols_per_tti/2)-1;
    }

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    int prev_nr_tti_rx = (nr_tti_rx - 1)<0? 9: (nr_tti_rx - 1);
    if (subframe_select(&ue->frame_parms,prev_nr_tti_rx) != SF_DL) {
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        //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
        // RX processing of symbols l=0...l2
        //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
        first_ofdm_sym = 0;
4663
    } else {
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        //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
        // RX processing of symbols l=1...l2 (l=0 is done in last scheduling epoch)
        //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
        first_ofdm_sym = 1;
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    }
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    slot0  = (nr_tti_rx<<1);
    slot1  = (nr_tti_rx<<1) + 1;
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    pilot0 = 0;
    if (ue->frame_parms.Ncp == 0) {  // normal prefix
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        pilot1 = 4;
4674
    } else { // extended prefix
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        pilot1 = 3;
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    }
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    //LOG_I(PHY,"Set available channelEst to 0 AbsSubframe %d.%d \n",frame_rx,nr_tti_rx);
    //LOG_I(PHY,"Set available llrs slot1 to 0 AbsSubframe %d.%d \n",frame_rx,nr_tti_rx);
    //LOG_I(PHY,"Set available dci info slot0 to 0 AbsSubframe %d.%d \n",frame_rx,nr_tti_rx);
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    proc->chan_est_pilot0_slot1_available=0;
    proc->llr_slot1_available=0;
    proc->dci_slot0_available=0;
    proc->first_symbol_available=0;
4685
    proc->chan_est_slot1_available=0;
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    //proc->channel_level=0;
4687

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    if (pthread_mutex_lock(&proc->mutex_slot1_dl_processing) != 0) {
        LOG_E( PHY, "[SCHED][UE %d][Slot0] error locking mutex for UE slot1 dl processing\n",ue->Mod_id );
        exit_fun("nothing to add");
    }

    proc->instance_cnt_slot1_dl_processing++;
    if (proc->instance_cnt_slot1_dl_processing == 0)
    {
4696
    LOG_D(PHY,"unblock slot1 dl processing thread blocked on instance_cnt_slot1_dl_processing : %d \n", proc->instance_cnt_slot1_dl_processing );
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        if (pthread_cond_signal(&proc->cond_slot1_dl_processing) != 0) {
            LOG_E( PHY, "[SCHED][UE %d][Slot0] ERROR pthread_cond_signal for UE slot1 processing thread\n", ue->Mod_id);
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            exit_fun("nothing to add");
        }
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        if (pthread_mutex_unlock(&proc->mutex_slot1_dl_processing) != 0) {
            LOG_E( PHY, "[SCHED][UE %d][Slot0] error unlocking mutex for UE slot1 dl processing \n",ue->Mod_id );
            exit_fun("nothing to add");
        }

    } else
    {
        LOG_E( PHY, "[SCHED][UE %d] UE RX thread busy (IC %d)!!\n", ue->Mod_id, proc->instance_cnt_slot1_dl_processing);
        if (proc->instance_cnt_slot1_dl_processing > 2)
            exit_fun("instance_cnt_slot1_dl_processing > 2");
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    }
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    //AssertFatal(pthread_cond_signal(&proc->cond_slot1_dl_processing) ==0 ,"");
    AssertFatal(pthread_mutex_unlock(&proc->mutex_slot1_dl_processing) ==0,"");
4714

4715 4716

    /**** Slot0 FE Processing ****/
4717
    // I- start main thread for FFT/ChanEst symbol: 0/1 --> 7
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4718
#if UE_TIMING_TRACE
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    start_meas(&ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0]);
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4720
#endif
4721
    // 1- perform FFT for pilot ofdm symbols first (ofdmSym7 ofdmSym4 or (ofdmSym6 ofdmSym3))
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4722
    //printf("AbsSubframe %d.%d FFT slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot1,pilot0);
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    front_end_fft(ue,
            pilot0,
            slot1,
            0,
            0);
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    //printf("AbsSubframe %d.%d FFT slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot0,pilot1);
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    front_end_fft(ue,
            pilot1,
            slot0,
            0,
            0);
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4734
    //printf("AbsSubframe %d.%d ChanEst slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot0,pilot1);
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    front_end_chanEst(ue,
            pilot1,
            slot0,
            0);
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    //printf("AbsSubframe %d.%d ChanEst slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot1,pilot0);
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    front_end_chanEst(ue,
            pilot0,
            slot1,
            0);
    proc->chan_est_pilot0_slot1_available = 1;
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4745
    //printf("Set available channelEst to 1 AbsSubframe %d.%d \n",frame_rx,nr_tti_rx);
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4746

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    // 2- perform FFT for other ofdm symbols other than pilots
    for (l=first_ofdm_sym; l<=l2; l++)
    {
        if( (l != pilot0) && (l != pilot1))
        {
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4752
            //printf("AbsSubframe %d.%d FFT slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot0,l);
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#if UE_TIMING_TRACE
4754
            start_meas(&ue->ofdm_demod_stats);
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#endif
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            VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
            front_end_fft(ue,
                    l,
                    slot0,
                    0,
                    0);
            VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
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#if UE_TIMING_TRACE
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            stop_meas(&ue->ofdm_demod_stats);
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#endif
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        }
    } // for l=1..l2
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    // 3- perform Channel Estimation for slot0
    for (l=first_ofdm_sym; l<=l2; l++)
    {
        if( (l != pilot0) && (l != pilot1))
        {
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            //printf("AbsSubframe %d.%d ChanEst slot %d, symbol %d\n", frame_rx,nr_tti_rx,slot0,l);
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            front_end_chanEst(ue,
                    l,
                    slot0,
                    0);
4779
        }
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        ue_measurement_procedures(l-1,ue,proc,eNB_id,(nr_tti_rx<<1),abstraction_flag,mode);
4781
    }
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4782

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4783
    if (do_pdcch_flag) {
4784
#if UE_TIMING_TRACE
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        start_meas(&ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
4786
#endif
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        if (ue_pdcch_procedures(eNB_id,ue,proc,abstraction_flag) == -1) {
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            LOG_E(PHY,"[UE  %d] Frame %d, nr_tti_rx %d: Error in pdcch procedures\n",ue->Mod_id,frame_rx,nr_tti_rx);
4789
#if UE_TIMING_TRACE
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            stop_meas(&ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
4791
#if DISABLE_LOG_X
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            printf("[AbsSFN %d.%d] Slot0: PDCCH %5.2f \n",frame_rx,nr_tti_rx,ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
4793
#else
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            LOG_D(PHY, "[AbsSFN %d.%d] Slot0: PDCCH %5.2f \n",frame_rx,nr_tti_rx,ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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#endif
#endif
4797
            //proc->dci_slot0_available = 1;
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            return(-1);
        }
4800
        //proc->dci_slot0_available=1;
4801
#if UE_TIMING_TRACE
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        stop_meas(&ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
4803
#if DISABLE_LOG_X
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        printf("[AbsSFN %d.%d] Slot0: PDCCH %5.2f \n",frame_rx,nr_tti_rx,ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
4805
#else
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        LOG_D(PHY, "[AbsSFN %d.%d] Slot0: PDCCH %5.2f \n",frame_rx,nr_tti_rx,ue->pdcch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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#endif
#endif
4809
    }
4810

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    //printf("num_pdcch_symbols %d\n",ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols);
4812

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    // first slot has been processed (FFTs + Channel Estimation, PCFICH/PHICH/PDCCH)
#if UE_TIMING_TRACE
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4815
    stop_meas(&ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0]);
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#if DISABLE_LOG_X
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    printf("[AbsSFN %d.%d] Slot0: FFT + Channel Estimate + PCFICH/PHICH/PDCCH %5.2f \n",frame_rx,nr_tti_rx,ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0].p_time/(cpuf*1000.0));
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#else
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    LOG_D(PHY, "[AbsSFN %d.%d] Slot0: FFT + Channel Estimate + PCFICH/PHICH/PDCCH %5.2f \n",frame_rx,nr_tti_rx,ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0].p_time/(cpuf*1000.0));
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#endif
#endif

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    //wait until slot1 FE is done
    uint32_t wait = 0;
    while(proc->chan_est_slot1_available == 0)
4826
    {
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        usleep(1);
        wait++;
4829
    }
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4831
#if UE_TIMING_TRACE
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    stop_meas(&ue->ue_front_end_stat[ue->current_thread_id[nr_tti_rx]]);
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#if DISABLE_LOG_X
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    printf("[AbsSFN %d.%d] FULL FE Processing %5.2f \n",frame_rx,nr_tti_rx,ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0].p_time/(cpuf*1000.0));
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#else
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    LOG_D(PHY, "[AbsSFN %d.%d] FULL FE Processing %5.2f \n",frame_rx,nr_tti_rx,ue->ue_front_end_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0].p_time/(cpuf*1000.0));
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#endif
#endif
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    /**** End nr_tti_rx FE Processing ****/
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4842 4843 4844
#if 0
    //Trigger LLR parallelized for Slot 1
    proc->dci_slot0_available=1;
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    printf("Set available dci slot0 to 1 AbsSubframe %d.%d \n",frame_rx%1024,nr_tti_rx);
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#endif
4847

4848
    /**** Pdsch Procedure Slot0 ****/
4849 4850
    // start main thread for Pdsch Procedure (slot0)
    // do procedures for C-RNTI
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    //printf("AbsSubframe %d.%d Pdsch Procedure (slot0)\n",frame_rx%1024,nr_tti_rx);
    //printf("AbsSubframe %d.%d Pdsch Procedure PDSCH Active %d \n",frame_rx%1024,nr_tti_rx, ue->dlsch[ue->current_thread_id[nr_tti_rx]][0][0]->active);
4853

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#if UE_TIMING_TRACE
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    start_meas(&ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
4856 4857 4858
#endif

#if UE_TIMING_TRACE
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    start_meas(&ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0]);
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#endif
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    if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
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        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                PDSCH,
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                ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
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                NULL,
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                ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
4870
                (ue->frame_parms.symbols_per_tti>>1)-1,
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                abstraction_flag);

        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
4874
    }
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4876 4877
    // do procedures for SI-RNTI
    if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
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        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_IN);
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                SI_PDSCH,
                ue->dlsch_SI[eNB_id],
                NULL,
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                ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
4886
                (ue->frame_parms.symbols_per_tti>>1)-1,
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                abstraction_flag);
        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_OUT);
4889
    }
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4891 4892
    // do procedures for SI-RNTI
    if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
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        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_IN);
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                P_PDSCH,
                ue->dlsch_p[eNB_id],
                NULL,
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                ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
4901
                (ue->frame_parms.symbols_per_tti>>1)-1,
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4902 4903
                abstraction_flag);
        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_OUT);
4904
    }
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4905

4906 4907
    // do procedures for RA-RNTI
    if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
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        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_IN);
        ue_pdsch_procedures(ue,
                proc,
                eNB_id,
                RA_PDSCH,
                ue->dlsch_ra[eNB_id],
                NULL,
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4915
                ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
4916
                (ue->frame_parms.symbols_per_tti>>1)-1,
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4917 4918
                abstraction_flag);
        VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_OUT);
4919
    }
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4920

4921 4922 4923
#if 1
    // LLR linear
    proc->dci_slot0_available=1;
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    //printf("Set available dci slot0 to 1 AbsSubframe %d.%d \n",frame_rx%1024,nr_tti_rx);
4925 4926
#endif

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4927
#if UE_TIMING_TRACE
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4928
    stop_meas(&ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0]);
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4929
#if DISABLE_LOG_X
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4930
    printf("[AbsSFN %d.%d] Slot0: LLR Computation %5.2f \n",frame_rx,nr_tti_rx,ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0].p_time/(cpuf*1000.0));
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#else
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4932
    LOG_D(PHY, "[AbsSFN %d.%d] Slot0: LLR Computation %5.2f \n",frame_rx,nr_tti_rx,ue->pdsch_procedures_per_slot_stat[ue->current_thread_id[nr_tti_rx]][0].p_time/(cpuf*1000.0));
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#endif
#endif
4935

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4936

4937 4938 4939 4940 4941 4942
    //wait until LLR Slot1 is done
    wait = 0;
    while(proc->llr_slot1_available == 0)
    {
        usleep(1);
        wait++;
4943
    }
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4944

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4947
#if UE_TIMING_TRACE
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4948
    stop_meas(&ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
4949
#if DISABLE_LOG_X
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4950
    printf("[AbsSFN %d.%d] Full LLR Computation %5.2f \n",frame_rx,nr_tti_rx,ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
4951
#else
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4952
    LOG_D(PHY, "[AbsSFN %d.%d] Full LLR Computation %5.2f \n",frame_rx,nr_tti_rx,ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
4953 4954
#endif
#endif
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4955
    //printf("[slot0 dl processing] AbsSubframe %d.%d Channel Decoder Start wait %d\n",frame_rx,nr_tti_rx,wait);
4956

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    //=====================================================================//
#if UE_TIMING_TRACE
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    start_meas(&ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
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#endif
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    LOG_D(PHY,"==> Start Turbo Decoder active dlsch %d SI %d RA %d \n",ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active,
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    		ue->dlsch_SI[eNB_id]->active,
			//ue->dlsch_p[eNB_id]->active,
			ue->dlsch_ra[eNB_id]->active);
4967
    // Start Turbo decoder
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4968
    if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
4969
        //VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
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        ue_dlsch_procedures(ue,
                proc,
                eNB_id,
                PDSCH,
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                ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
                ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][1],
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                &ue->dlsch_errors[eNB_id],
                mode,
                abstraction_flag);
4979
        //VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
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4980
    }
4981

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4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021
    // do procedures for SI-RNTI
    if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
        ue_dlsch_procedures(ue,
                proc,
                eNB_id,
                SI_PDSCH,
                ue->dlsch_SI[eNB_id],
                NULL,
                &ue->dlsch_SI_errors[eNB_id],
                mode,
                abstraction_flag);
        ue->dlsch_SI[eNB_id]->active = 0;
    }

    // do procedures for P-RNTI
    if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
        ue_dlsch_procedures(ue,
                proc,
                eNB_id,
                P_PDSCH,
                ue->dlsch_p[eNB_id],
                NULL,
                &ue->dlsch_p_errors[eNB_id],
                mode,
                abstraction_flag);
        ue->dlsch_p[eNB_id]->active = 0;
    }
    // do procedures for RA-RNTI
    if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
        ue_dlsch_procedures(ue,
                proc,
                eNB_id,
                RA_PDSCH,
                ue->dlsch_ra[eNB_id],
                NULL,
                &ue->dlsch_ra_errors[eNB_id],
                mode,
                abstraction_flag);
        ue->dlsch_ra[eNB_id]->active = 0;
    }
5022

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5023
#if UE_TIMING_TRACE
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        stop_meas(&ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
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5025
#if DISABLE_LOG_X
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        printf("[AbsSFN %d.%d] Channel Decoder: %5.2f \n",frame_rx,nr_tti_rx,ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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5027
#else
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5028
        LOG_D(PHY, "[AbsSFN %d.%d] Channel Decoder: %5.2f \n",frame_rx,nr_tti_rx,ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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#endif
5030

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#endif

5033
        // duplicate harq structure
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        uint8_t          current_harq_pid        = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid;
        LTE_DL_UE_HARQ_t *current_harq_processes = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[current_harq_pid];
        harq_status_t    *current_harq_ack       = &ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_ack[nr_tti_rx];
5037

5038
        // For Debug parallelisation
5039
        //if (current_harq_ack->ack == 0) {
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5040
            //printf("[slot0 dl processing][End of Channel Decoding] AbsSubframe %d.%d Decode Fail for HarqId%d Round%d\n",frame_rx,nr_tti_rx,current_harq_pid,current_harq_processes->round);
5041 5042
        //}
        for(uint8_t rx_th_idx=1; rx_th_idx<RX_NB_TH; rx_th_idx++)
5043
        {
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5044 5045
            LTE_DL_UE_HARQ_t *harq_processes_dest  = ue->dlsch[ue->current_thread_id[(nr_tti_rx+rx_th_idx)%10]][eNB_id][0]->harq_processes[current_harq_pid];
            harq_status_t    *harq_ack_dest        = &ue->dlsch[ue->current_thread_id[(nr_tti_rx+rx_th_idx)%10]][eNB_id][0]->harq_ack[nr_tti_rx];
5046 5047 5048 5049 5050 5051

            copy_harq_proc_struct(harq_processes_dest, current_harq_processes);
            copy_ack_struct(harq_ack_dest, current_harq_ack);

        }
    /*
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5052 5053
    LTE_DL_UE_HARQ_t *harq_processes_dest    = ue->dlsch[(nr_tti_rx+1)%RX_NB_TH][eNB_id][0]->harq_processes[current_harq_pid];
    LTE_DL_UE_HARQ_t *harq_processes_dest1    = ue->dlsch[(nr_tti_rx+2)%RX_NB_TH][eNB_id][0]->harq_processes[current_harq_pid];
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5055 5056 5057
    harq_status_t *current_harq_ack = &ue->dlsch[nr_tti_rx%RX_NB_TH][eNB_id][0]->harq_ack[nr_tti_rx];
    harq_status_t *harq_ack_dest    = &ue->dlsch[(nr_tti_rx+1)%RX_NB_TH][eNB_id][0]->harq_ack[nr_tti_rx];
    harq_status_t *harq_ack_dest1    = &ue->dlsch[(nr_tti_rx+2)%RX_NB_TH][eNB_id][0]->harq_ack[nr_tti_rx];
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5058 5059 5060 5061 5062 5063

    copy_harq_proc_struct(harq_processes_dest, current_harq_processes);
    copy_ack_struct(harq_ack_dest, current_harq_ack);

    copy_harq_proc_struct(harq_processes_dest1, current_harq_processes);
    copy_ack_struct(harq_ack_dest1, current_harq_ack);
5064
    */
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5065
    if (nr_tti_rx==9) {
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5066 5067 5068
        if (frame_rx % 10 == 0) {
            if ((ue->dlsch_received[eNB_id] - ue->dlsch_received_last[eNB_id]) != 0)
                ue->dlsch_fer[eNB_id] = (100*(ue->dlsch_errors[eNB_id] - ue->dlsch_errors_last[eNB_id]))/(ue->dlsch_received[eNB_id] - ue->dlsch_received_last[eNB_id]);
5069

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            ue->dlsch_errors_last[eNB_id] = ue->dlsch_errors[eNB_id];
            ue->dlsch_received_last[eNB_id] = ue->dlsch_received[eNB_id];
        }
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        ue->bitrate[eNB_id] = (ue->total_TBS[eNB_id] - ue->total_TBS_last[eNB_id])*100;
        ue->total_TBS_last[eNB_id] = ue->total_TBS[eNB_id];
        LOG_D(PHY,"[UE %d] Calculating bitrate Frame %d: total_TBS = %d, total_TBS_last = %d, bitrate %f kbits\n",
                ue->Mod_id,frame_rx,ue->total_TBS[eNB_id],
                ue->total_TBS_last[eNB_id],(float) ue->bitrate[eNB_id]/1000.0);
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#if UE_AUTOTEST_TRACE
        if ((frame_rx % 100 == 0)) {
            LOG_I(PHY,"[UE  %d] AUTOTEST Metric : UE_DLSCH_BITRATE = %5.2f kbps (frame = %d) \n", ue->Mod_id, (float) ue->bitrate[eNB_id]/1000.0, frame_rx);
        }
#endif
5086

5087
    }
5088

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#ifdef EMOS
5090
    phy_procedures_emos_UE_RX(ue,slot,eNB_id);
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#endif
5092

5093

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5094
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
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#if UE_TIMING_TRACE
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    stop_meas(&ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]]);
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#if DISABLE_LOG_X
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    printf("------FULL RX PROC [AbsSFN %d.%d]: %5.2f ------\n",frame_rx,nr_tti_rx,ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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#else
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    LOG_D(PHY, "------FULL RX PROC [AbsSFN %d.%d]: %5.2f ------\n",frame_rx,nr_tti_rx,ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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#endif
#endif
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    LOG_D(PHY," ****** end RX-Chain  for AbsSubframe %d.%d ******  \n", frame_rx%1024, nr_tti_rx);
5106
    return (0);
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5107
}
5108
#endif
5109

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5111 5112
int phy_procedures_UE_RX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,
			 uint8_t abstraction_flag,uint8_t do_pdcch_flag,runmode_t mode,
5113
			 relaying_type_t r_type,PHY_VARS_RN *phy_vars_rn) {
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5115 5116 5117 5118
  int l,l2;
  int pilot1;
  int pmch_flag=0;
  int frame_rx = proc->frame_rx;
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  int nr_tti_rx = proc->nr_tti_rx;
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  proc->decoder_switch = 0;
  //int counter_decoder = 0;
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  uint8_t next1_thread_id = ue->current_thread_id[nr_tti_rx]== (RX_NB_TH-1) ? 0:(ue->current_thread_id[nr_tti_rx]+1);
5124
  uint8_t next2_thread_id = next1_thread_id== (RX_NB_TH-1) ? 0:(next1_thread_id+1);
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5126
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_IN);
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#if T_TRACER
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  T(T_UE_PHY_DL_TICK, T_INT(ue->Mod_id), T_INT(frame_rx%1024), T_INT(nr_tti_rx));
5130

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  T(T_UE_PHY_INPUT_SIGNAL, T_INT(ue->Mod_id), T_INT(frame_rx%1024), T_INT(nr_tti_rx), T_INT(0),
    T_BUFFER(&ue->common_vars.rxdata[0][nr_tti_rx*ue->frame_parms.samples_per_subframe],
5133
             ue->frame_parms.samples_per_subframe * 4));
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5134
#endif
5135

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hbilel committed
5136
  // start timers
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5137
#ifdef UE_DEBUG_TRACE
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5138
  LOG_I(PHY," ****** start RX-Chain for AbsSubframe %d.%d ******  \n", frame_rx%1024, nr_tti_rx);
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5139 5140
#endif

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5141
#if UE_TIMING_TRACE
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5142
  start_meas(&ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]]);
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5143
  start_meas(&ue->generic_stat);
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5144
#endif
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5145

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5146
  pmch_flag = is_pmch_subframe(frame_rx,nr_tti_rx,&ue->frame_parms) ? 1 : 0;
5147

5148
  if (do_pdcch_flag) {
5149
  // deactivate reception until we scan pdcch
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5150 5151 5152 5153
  if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0])
    ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active = 0;
  if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][1])
    ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][1]->active = 0;
5154 5155 5156 5157 5158 5159 5160

  if (ue->dlsch_SI[eNB_id])
    ue->dlsch_SI[eNB_id]->active = 0;
  if (ue->dlsch_p[eNB_id])
    ue->dlsch_p[eNB_id]->active = 0;
  if (ue->dlsch_ra[eNB_id])
    ue->dlsch_ra[eNB_id]->active = 0;
5161
  }
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5162

5163
#ifdef DEBUG_PHY_PROC
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5164
  LOG_D(PHY,"[%s %d] Frame %d nr_tti_rx %d: Doing phy_procedures_UE_RX\n",
5165
  (r_type == multicast_relay) ? "RN/UE" : "UE",
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5166
  ue->Mod_id,frame_rx, nr_tti_rx);
5167
#endif
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5168

5169 5170 5171 5172 5173
  if (ue->frame_parms.Ncp == 0) {  // normal prefix
    pilot1 = 4;
  } else { // extended prefix
    pilot1 = 3;
  }
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5174 5175


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5176
  if (subframe_select(&ue->frame_parms,nr_tti_rx) == SF_S) { // S-subframe, do first 5 symbols only
5177 5178 5179
    l2 = 5;
  } else if (pmch_flag == 1) { // do first 2 symbols only
    l2 = 1;
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gabriel committed
5180
  } else { // normal nr_tti_rx, last symbol to be processed is the first of the second slot
5181 5182
    l2 = (ue->frame_parms.symbols_per_tti/2)-1;
  }
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5183

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5184 5185
  int prev_nr_tti_rx = (nr_tti_rx - 1)<0? 9: (nr_tti_rx - 1);
  if (subframe_select(&ue->frame_parms,prev_nr_tti_rx) != SF_DL) {
5186 5187 5188 5189 5190 5191 5192 5193 5194 5195
    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    // RX processing of symbols l=0...l2
    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    l=0;
  } else {
    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    // RX processing of symbols l=1...l2 (l=0 is done in last scheduling epoch)
    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    l=1;
  }
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5196

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5197 5198
  LOG_D(PHY," ------ slot 0 Processing: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
  LOG_D(PHY," ------  --> FFT/ChannelEst/PDCCH slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
5199
  for (; l<=l2; l++) {
5200
    if (abstraction_flag == 0) {
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5201 5202 5203
#if UE_TIMING_TRACE
        start_meas(&ue->ofdm_demod_stats);
#endif
5204 5205
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
      slot_fep(ue,
5206
         l,
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5207
         (nr_tti_rx<<1),
5208 5209 5210
         0,
         0,
         0);
5211
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
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5212
#if UE_TIMING_TRACE
5213
      stop_meas(&ue->ofdm_demod_stats);
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5214
#endif
5215
    }
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5216

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5217
    ue_measurement_procedures(l-1,ue,proc,eNB_id,(nr_tti_rx<<1),abstraction_flag,mode);
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5218

5219 5220 5221 5222
    if (do_pdcch_flag) {
      if ((l==pilot1) ||
	  ((pmch_flag==1)&(l==l2)))  {
	LOG_D(PHY,"[UE  %d] Frame %d: Calling pdcch procedures (eNB %d)\n",ue->Mod_id,frame_rx,eNB_id);
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5223

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5224
	//start_meas(&ue->rx_pdcch_stats[ue->current_thread_id[nr_tti_rx]]);
5225
	if (ue_pdcch_procedures(eNB_id,ue,proc,abstraction_flag) == -1) {
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5226
	  LOG_E(PHY,"[UE  %d] Frame %d, nr_tti_rx %d: Error in pdcch procedures\n",ue->Mod_id,frame_rx,nr_tti_rx);
5227 5228
	  return(-1);
	}
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5229 5230 5231 5232 5233
	//stop_meas(&ue->rx_pdcch_stats[ue->current_thread_id[nr_tti_rx]]);
    //printf("nr_tti_rx %d n_pdcch_sym %d pdcch procedures  %5.3f \n",
    //        nr_tti_rx, ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
    //     (ue->rx_pdcch_stats[ue->current_thread_id[nr_tti_rx]].p_time)/(cpuf*1000.0));
	LOG_D(PHY,"num_pdcch_symbols %d\n",ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols);
5234
      }
5235
    }
5236

5237
  } // for l=1..l2
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5238
  ue_measurement_procedures(l-1,ue,proc,eNB_id,(nr_tti_rx<<1),abstraction_flag,mode);
5239

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gabriel committed
5240
  LOG_D(PHY," ------  end FFT/ChannelEst/PDCCH slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
5241 5242 5243 5244
    // If this is PMCH, call procedures and return
  if (pmch_flag == 1) {
    ue_pmch_procedures(ue,proc,eNB_id,abstraction_flag);
    return 0;
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fnabet committed
5245
  }
5246

5247
  slot_fep(ue,
5248
     0,
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gabriel committed
5249
     1+(nr_tti_rx<<1),
5250 5251 5252
     0,
     0,
     0);
5253

5254
  // first slot has been processed (FFTs + Channel Estimation, PCFICH/PHICH/PDCCH)
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5255
#if UE_TIMING_TRACE
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5256
  stop_meas(&ue->generic_stat);
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Cedric Roux committed
5257
#if DISABLE_LOG_X
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gabriel committed
5258
  printf("[SFN %d] Slot0: FFT + Channel Estimate + PCFICH/PHICH/PDCCH %5.2f \n",nr_tti_rx,ue->generic_stat.p_time/(cpuf*1000.0));
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Cedric Roux committed
5259
#else
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5260
  LOG_D(PHY, "[SFN %d] Slot0: FFT + Channel Estimate + PCFICH/PHICH/PDCCH %5.2f \n",nr_tti_rx,ue->generic_stat.p_time/(cpuf*1000.0));
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5261 5262
#endif

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5263
#endif
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5264

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5265
  LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
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gabrielC committed
5266
#if UE_TIMING_TRACE
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5267
  start_meas(&ue->generic_stat);
gabrielC's avatar
gabrielC committed
5268
#endif
5269
  // do procedures for C-RNTI
gabriel's avatar
gabriel committed
5270
  if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
5271
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
5272
    ue_pdsch_procedures(ue,
5273 5274 5275
			proc,
			eNB_id,
			PDSCH,
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gabriel committed
5276
			ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
5277
			NULL,
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gabriel committed
5278
			ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
5279 5280
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
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fnabet committed
5281

5282
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
5283
  }
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5284

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gabriel committed
5285
  LOG_D(PHY," ------ end PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
5286 5287
  // do procedures for SI-RNTI
  if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
5288
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_IN);
5289
    ue_pdsch_procedures(ue,
5290 5291 5292 5293 5294 5295

			proc,
			eNB_id,
			SI_PDSCH,
			ue->dlsch_SI[eNB_id],
			NULL,
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gabriel committed
5296
			ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
5297 5298
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
5299
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_OUT);
5300
  }
fnabet's avatar
fnabet committed
5301

5302 5303
  // do procedures for SI-RNTI
  if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
5304
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_IN);
5305
    ue_pdsch_procedures(ue,
5306 5307 5308 5309 5310
			proc,
			eNB_id,
			P_PDSCH,
			ue->dlsch_p[eNB_id],
			NULL,
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gabriel committed
5311
			ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
5312 5313
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
5314
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_OUT);
5315
  }
fnabet's avatar
fnabet committed
5316

5317 5318
  // do procedures for RA-RNTI
  if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
5319
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_IN);
5320
    ue_pdsch_procedures(ue,
5321 5322 5323 5324 5325
			proc,
			eNB_id,
			RA_PDSCH,
			ue->dlsch_ra[eNB_id],
			NULL,
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gabriel committed
5326
			ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->num_pdcch_symbols,
5327 5328
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
5329
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_OUT);
5330
  }
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5331

gabriel's avatar
gabriel committed
5332 5333
  LOG_D(PHY," ------ slot 1 Processing: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
  LOG_D(PHY," ------  --> FFT/ChannelEst/PDCCH slot 1: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
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5334

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gabriel committed
5335
  if (subframe_select(&ue->frame_parms,nr_tti_rx) != SF_S) {  // do front-end processing for second slot, and first symbol of next nr_tti_rx
5336 5337
    for (l=1; l<ue->frame_parms.symbols_per_tti>>1; l++) {
      if (abstraction_flag == 0) {
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gabrielC committed
5338 5339 5340
#if UE_TIMING_TRACE
          start_meas(&ue->ofdm_demod_stats);
#endif
5341 5342 5343
	VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
	slot_fep(ue,
		 l,
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gabriel committed
5344
		 1+(nr_tti_rx<<1),
5345
		 0,
5346 5347 5348
		 0,
		 0);
	VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
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gabrielC committed
5349 5350 5351
#if UE_TIMING_TRACE
    stop_meas(&ue->ofdm_demod_stats);
#endif
5352
      }
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5353

gabriel's avatar
gabriel committed
5354
      ue_measurement_procedures(l-1,ue,proc,eNB_id,1+(nr_tti_rx<<1),abstraction_flag,mode);
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fnabet committed
5355

5356
    } // for l=1..l2
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5357

gabriel's avatar
gabriel committed
5358 5359 5360
    // do first symbol of next downlink nr_tti_rx for channel estimation
    int next_nr_tti_rx = (1+nr_tti_rx)%10;
    if (subframe_select(&ue->frame_parms,next_nr_tti_rx) != SF_UL)
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fnabet committed
5361
    {
5362 5363
      slot_fep(ue,
         0,
gabriel's avatar
gabriel committed
5364
         (next_nr_tti_rx<<1),
5365
         0,
5366 5367
         0,
         0);
fnabet's avatar
fnabet committed
5368
    }
5369
  } // not an S-subframe
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gabrielC committed
5370
#if UE_TIMING_TRACE
hbilel's avatar
hbilel committed
5371
  stop_meas(&ue->generic_stat);
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Cedric Roux committed
5372
#if DISABLE_LOG_X
gabriel's avatar
gabriel committed
5373
  printf("[SFN %d] Slot1: FFT + Channel Estimate + Pdsch Proc Slot0 %5.2f \n",nr_tti_rx,ue->generic_stat.p_time/(cpuf*1000.0));
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Cedric Roux committed
5374
#else
gabriel's avatar
gabriel committed
5375
  LOG_D(PHY, "[SFN %d] Slot1: FFT + Channel Estimate + Pdsch Proc Slot0 %5.2f \n",nr_tti_rx,ue->generic_stat.p_time/(cpuf*1000.0));
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5376
#endif
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5377 5378 5379

#endif

gabriel's avatar
gabriel committed
5380
  LOG_D(PHY," ------  end FFT/ChannelEst/PDCCH slot 1: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
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fnabet committed
5381

gabriel's avatar
gabriel committed
5382
  if ( (nr_tti_rx == 0) && (ue->decode_MIB == 1))
5383
  {
5384
    ue_pbch_procedures(eNB_id,ue,proc,abstraction_flag);
5385
  }
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fnabet committed
5386 5387 5388



5389
  // do procedures for C-RNTI
gabriel's avatar
gabriel committed
5390 5391
  LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
  if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
root's avatar
root committed
5392
	/*proc->counter_decoder++;
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hbilel committed
5393 5394 5395 5396 5397
	printf("counter decoder %d\n", proc->counter_decoder);
	if (proc->counter_decoder > 6)
		{
			proc->decoder_switch = 1;
			printf("switch to LDPC\n");
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root committed
5398
		}*/
5399
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
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gabrielC committed
5400
#if UE_TIMING_TRACE
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hbilel committed
5401
    start_meas(&ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
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gabrielC committed
5402
#endif
5403 5404 5405 5406
    ue_pdsch_procedures(ue,
			proc,
			eNB_id,
			PDSCH,
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gabriel committed
5407
			ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
5408 5409 5410 5411
			NULL,
			1+(ue->frame_parms.symbols_per_tti>>1),
			ue->frame_parms.symbols_per_tti-1,
			abstraction_flag);
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gabriel committed
5412
    LOG_D(PHY," ------ end PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
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hongzhi committed
5413
    LOG_D(PHY," ------ --> PDSCH Turbo Decoder slot 0/1: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
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gabrielC committed
5414
#if UE_TIMING_TRACE
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gabriel committed
5415 5416
    stop_meas(&ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
    start_meas(&ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
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gabrielC committed
5417
#endif
5418 5419 5420 5421
    ue_dlsch_procedures(ue,
			proc,
			eNB_id,
			PDSCH,
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gabriel committed
5422 5423
			ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
			ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][1],
5424 5425 5426
			&ue->dlsch_errors[eNB_id],
			mode,
			abstraction_flag);
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gabrielC committed
5427
#if UE_TIMING_TRACE
gabriel's avatar
gabriel committed
5428
    stop_meas(&ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
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Cedric Roux committed
5429
#if DISABLE_LOG_X
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gabriel committed
5430 5431
    printf("[SFN %d] Slot1:       Pdsch Proc %5.2f\n",nr_tti_rx,ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
    printf("[SFN %d] Slot0 Slot1: Dlsch Proc %5.2f\n",nr_tti_rx,ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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Cedric Roux committed
5432
#else
gabriel's avatar
gabriel committed
5433 5434
    LOG_D(PHY, "[SFN %d] Slot1:       Pdsch Proc %5.2f\n",nr_tti_rx,ue->pdsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
    LOG_D(PHY, "[SFN %d] Slot0 Slot1: Dlsch Proc %5.2f\n",nr_tti_rx,ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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5435
#endif
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5436

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gabrielC committed
5437
#endif
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fnabet committed
5438

5439
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
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fnabet committed
5440

5441
  }
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gabrielC committed
5442
#if UE_TIMING_TRACE
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hbilel committed
5443
  start_meas(&ue->generic_stat);
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gabrielC committed
5444
#endif
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5445

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hbilel committed
5446
#if 0
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gabriel committed
5447
  if(nr_tti_rx==5 &&  ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid]->nb_rb > 20){
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5448 5449
       //write_output("decoder_llr.m","decllr",dlsch_llr,G,1,0);
       //write_output("llr.m","llr",  &ue->pdsch_vars[eNB_id]->llr[0][0],(14*nb_rb*12*dlsch1_harq->Qm) - 4*(nb_rb*4*dlsch1_harq->Qm),1,0);
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5450

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5451
       write_output("rxdataF0_current.m"    , "rxdataF0", &ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].rxdataF[0][0],14*ue->frame_parms.ofdm_symbol_size,1,1);
5452
       //write_output("rxdataF0_previous.m"    , "rxdataF0_prev_sss", &ue->common_vars.common_vars_rx_data_per_thread[next_thread_id].rxdataF[0][0],14*ue->frame_parms.ofdm_symbol_size,1,1);
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5453

5454
       //write_output("rxdataF0_previous.m"    , "rxdataF0_prev", &ue->common_vars.common_vars_rx_data_per_thread[next_thread_id].rxdataF[0][0],14*ue->frame_parms.ofdm_symbol_size,1,1);
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5456 5457 5458 5459 5460
       write_output("dl_ch_estimates.m", "dl_ch_estimates_sfn5", &ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].dl_ch_estimates[0][0][0],14*ue->frame_parms.ofdm_symbol_size,1,1);
       write_output("dl_ch_estimates_ext.m", "dl_ch_estimatesExt_sfn5", &ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_estimates_ext[0][0],14*ue->frame_parms.N_RB_DL*12,1,1);
       write_output("rxdataF_comp00.m","rxdataF_comp00",         &ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->rxdataF_comp0[0][0],14*ue->frame_parms.N_RB_DL*12,1,1);
       //write_output("magDLFirst.m", "magDLFirst", &phy_vars_ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_mag0[0][0],14*frame_parms->N_RB_DL*12,1,1);
       //write_output("magDLSecond.m", "magDLSecond", &phy_vars_ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_magb0[0][0],14*frame_parms->N_RB_DL*12,1,1);
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5461 5462 5463

       AssertFatal (0,"");
  }
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#endif

5466 5467 5468
  // do procedures for SI-RNTI
  if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
    ue_pdsch_procedures(ue,
5469 5470 5471 5472 5473 5474 5475 5476
      proc,
      eNB_id,
      SI_PDSCH,
      ue->dlsch_SI[eNB_id],
      NULL,
      1+(ue->frame_parms.symbols_per_tti>>1),
      ue->frame_parms.symbols_per_tti-1,
      abstraction_flag);
5477

5478
    ue_dlsch_procedures(ue,
5479 5480 5481 5482 5483 5484 5485 5486
      proc,
      eNB_id,
      SI_PDSCH,
      ue->dlsch_SI[eNB_id],
      NULL,
      &ue->dlsch_SI_errors[eNB_id],
      mode,
      abstraction_flag);
5487 5488
    ue->dlsch_SI[eNB_id]->active = 0;
  }
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5489

5490 5491 5492
  // do procedures for P-RNTI
  if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
    ue_pdsch_procedures(ue,
5493 5494 5495 5496 5497 5498 5499 5500
      proc,
      eNB_id,
      P_PDSCH,
      ue->dlsch_p[eNB_id],
      NULL,
      1+(ue->frame_parms.symbols_per_tti>>1),
      ue->frame_parms.symbols_per_tti-1,
      abstraction_flag);
5501 5502

    ue_dlsch_procedures(ue,
5503 5504 5505 5506 5507 5508 5509 5510
      proc,
      eNB_id,
      P_PDSCH,
      ue->dlsch_p[eNB_id],
      NULL,
      &ue->dlsch_p_errors[eNB_id],
      mode,
      abstraction_flag);
5511 5512
    ue->dlsch_p[eNB_id]->active = 0;
  }
5513 5514 5515
  // do procedures for RA-RNTI
  if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
    ue_pdsch_procedures(ue,
5516 5517 5518 5519 5520 5521 5522 5523
      proc,
      eNB_id,
      RA_PDSCH,
      ue->dlsch_ra[eNB_id],
      NULL,
      1+(ue->frame_parms.symbols_per_tti>>1),
      ue->frame_parms.symbols_per_tti-1,
      abstraction_flag);
5524
    ue_dlsch_procedures(ue,
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      proc,
      eNB_id,
      RA_PDSCH,
      ue->dlsch_ra[eNB_id],
      NULL,
      &ue->dlsch_ra_errors[eNB_id],
      mode,
      abstraction_flag);
5533
    ue->dlsch_ra[eNB_id]->active = 0;
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5534 5535
  }

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5536
  // duplicate harq structure
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5537

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5538 5539
  uint8_t          current_harq_pid        = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->current_harq_pid;
  LTE_DL_UE_HARQ_t *current_harq_processes = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_processes[current_harq_pid];
5540 5541
  LTE_DL_UE_HARQ_t *harq_processes_dest    = ue->dlsch[next1_thread_id][eNB_id][0]->harq_processes[current_harq_pid];
  LTE_DL_UE_HARQ_t *harq_processes_dest1    = ue->dlsch[next2_thread_id][eNB_id][0]->harq_processes[current_harq_pid];
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5542

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5543 5544 5545
  harq_status_t *current_harq_ack = &ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->harq_ack[nr_tti_rx];
  harq_status_t *harq_ack_dest    = &ue->dlsch[next1_thread_id][eNB_id][0]->harq_ack[nr_tti_rx];
  harq_status_t *harq_ack_dest1    = &ue->dlsch[next2_thread_id][eNB_id][0]->harq_ack[nr_tti_rx];
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5546

5547 5548
  copy_harq_proc_struct(harq_processes_dest, current_harq_processes);
  copy_ack_struct(harq_ack_dest, current_harq_ack);
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5549

5550 5551 5552
  copy_harq_proc_struct(harq_processes_dest1, current_harq_processes);
  copy_ack_struct(harq_ack_dest1, current_harq_ack);

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5553
  if (nr_tti_rx==9) {
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5554
    if (frame_rx % 10 == 0) {
5555
      if ((ue->dlsch_received[eNB_id] - ue->dlsch_received_last[eNB_id]) != 0)
5556
  ue->dlsch_fer[eNB_id] = (100*(ue->dlsch_errors[eNB_id] - ue->dlsch_errors_last[eNB_id]))/(ue->dlsch_received[eNB_id] - ue->dlsch_received_last[eNB_id]);
5557

5558 5559
      ue->dlsch_errors_last[eNB_id] = ue->dlsch_errors[eNB_id];
      ue->dlsch_received_last[eNB_id] = ue->dlsch_received[eNB_id];
5560
    }
5561 5562


5563 5564
    ue->bitrate[eNB_id] = (ue->total_TBS[eNB_id] - ue->total_TBS_last[eNB_id])*100;
    ue->total_TBS_last[eNB_id] = ue->total_TBS[eNB_id];
5565
    LOG_D(PHY,"[UE %d] Calculating bitrate Frame %d: total_TBS = %d, total_TBS_last = %d, bitrate %f kbits\n",
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5566 5567 5568
    ue->Mod_id,frame_rx,ue->total_TBS[eNB_id],
    ue->total_TBS_last[eNB_id],(float) ue->bitrate[eNB_id]/1000.0);

5569 5570 5571 5572 5573
  #if UE_AUTOTEST_TRACE
    if ((frame_rx % 100 == 0)) {
      LOG_I(PHY,"[UE  %d] AUTOTEST Metric : UE_DLSCH_BITRATE = %5.2f kbps (frame = %d) \n", ue->Mod_id, (float) ue->bitrate[eNB_id]/1000.0, frame_rx);
    }
  #endif
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5574

5575
  }
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5576

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5577
#if UE_TIMING_TRACE
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5578
  stop_meas(&ue->generic_stat);
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5579 5580
  printf("after tubo until end of Rx %5.2f \n",ue->generic_stat.p_time/(cpuf*1000.0));
#endif
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5581 5582

#ifdef EMOS
5583
  phy_procedures_emos_UE_RX(ue,slot,eNB_id);
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5584 5585 5586
#endif


5587
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
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5588

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5589
#if UE_TIMING_TRACE
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5590
  stop_meas(&ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]]);
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5591
#if DISABLE_LOG_X
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5592
  printf("------FULL RX PROC [SFN %d]: %5.2f ------\n",nr_tti_rx,ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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5593
#else
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5594
  LOG_D(PHY, "------FULL RX PROC [SFN %d]: %5.2f ------\n",nr_tti_rx,ue->phy_proc_rx[ue->current_thread_id[nr_tti_rx]].p_time/(cpuf*1000.0));
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#endif
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5596
#endif
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5597

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5598
  LOG_D(PHY," ****** end RX-Chain  for AbsSubframe %d.%d ******  \n", frame_rx%1024, nr_tti_rx);
5599
  return (0);
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5600
}
5601

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5602
#if defined(Rel10) || defined(Rel14)
5603

5604 5605
int phy_procedures_RN_UE_RX(uint8_t slot_rx, uint8_t next_slot, relaying_type_t r_type)
{
5606

5607
  int do_proc =0; // do nothing by default
5608

5609
  switch(r_type) {
5610
  case no_relay:
5611
    do_proc=no_relay; // perform the normal UE operation
5612
    break;
5613

5614
  case multicast_relay:
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5615
    if (slot_rx > 12)
5616 5617
      do_proc = 0; // do nothing
    else // SF#1, SF#2, SF3, SF#3, SF#4, SF#5, SF#6(do rx slot 12)
5618
      do_proc = multicast_relay ; // do PHY procedures UE RX
5619

5620
    break;
5621

5622 5623 5624 5625 5626
  default: // should'not be here
    LOG_W(PHY,"Not supported relay type %d, do nothing \n", r_type);
    do_proc= 0;
    break;
  }
5627

5628 5629
  return do_proc;
}
5630
#endif
5631

5632
void phy_procedures_UE_lte(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,uint8_t do_pdcch_flag,runmode_t mode,
5633
			   relaying_type_t r_type, PHY_VARS_RN *phy_vars_rn)
5634
{
5635
#if defined(ENABLE_ITTI)
5636 5637 5638 5639 5640
  MessageDef   *msg_p;
  const char   *msg_name;
  instance_t    instance;
  unsigned int  Mod_id;
  int           result;
5641
#endif
5642

5643 5644
  int           frame_rx = proc->frame_rx;
  int           frame_tx = proc->frame_tx;
5645 5646
  int           nr_tti_rx = proc->nr_tti_rx;
  int           nr_tti_tx = proc->nr_tti_tx;
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5647 5648 5649 5650
//#ifdef UE_NR_PHY_DEMO
//  int           nr_tti_rx = proc->nr_tti_rx;
//  int           nr_tti_tx = proc->nr_tti_tx;
//#endif
5651

5652
#undef DEBUG_PHY_PROC
5653

5654
  UE_L2_STATE_t ret;
5655
  int slot;
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Florian Kaltenberger committed
5656

5657 5658
  if (ue->mac_enabled == 0) {
    ue->UE_mode[eNB_id]=PUSCH;
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Florian Kaltenberger committed
5659
  }
5660 5661


5662
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_LTE,1);
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5663
#if UE_TIMING_TRACE
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5664
  start_meas(&ue->phy_proc[ue->current_thread_id[nr_tti_rx]]);
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5665
#endif
5666
#if defined(ENABLE_ITTI)
5667

5668 5669
  do {
    // Checks if a message has been sent to PHY sub-task
5670
    itti_poll_msg (TASK_PHY_UE, &msg_p);
5671

5672 5673 5674 5675
    if (msg_p != NULL) {
      msg_name = ITTI_MSG_NAME (msg_p);
      instance = ITTI_MSG_INSTANCE (msg_p);
      Mod_id = instance - NB_eNB_INST;
5676

5677
      switch (ITTI_MSG_ID(msg_p)) {
5678
      case PHY_FIND_CELL_REQ:
5679 5680 5681 5682 5683
  LOG_I(PHY, "[UE %d] Received %s\n", Mod_id, msg_name);

  /* TODO process the message */
  break;

5684
      default:
5685 5686
  LOG_E(PHY, "[UE %d] Received unexpected message %s\n", Mod_id, msg_name);
  break;
5687
      }
5688

5689 5690
      result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
      AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
5691 5692
    }
  } while(msg_p != NULL);
5693

5694
#endif
5695

5696
  for (slot=0;slot<2;slot++) {
5697

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5698
    if ((subframe_select(&ue->frame_parms,nr_tti_tx)==SF_UL)||
5699
  (ue->frame_parms.frame_type == FDD)) {
5700 5701
      phy_procedures_UE_TX(ue,proc,eNB_id,abstraction_flag,mode,r_type);
    }
5702

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5703
    if ((subframe_select(&ue->frame_parms,nr_tti_rx)==SF_DL) ||
5704
  (ue->frame_parms.frame_type == FDD)) {
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5705
#if defined(Rel10) || defined(Rel14)
5706

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5707
      if (phy_procedures_RN_UE_RX(nr_tti_rx, nr_tti_tx, r_type) != 0 )
5708
#endif
5709
	phy_procedures_UE_RX(ue,proc,eNB_id,abstraction_flag,do_pdcch_flag,mode,r_type,phy_vars_rn);
5710
    }
5711

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5712
    if ((subframe_select(&ue->frame_parms,nr_tti_tx)==SF_S) &&
5713
  (slot==1)) {
5714 5715
      phy_procedures_UE_S_TX(ue,eNB_id,abstraction_flag,r_type);
    }
5716

gabriel's avatar
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5717
    if ((subframe_select(&ue->frame_parms,nr_tti_rx)==SF_S) &&
5718
  (slot==0)) {
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5719
#if defined(Rel10) || defined(Rel14)
5720

gabriel's avatar
gabriel committed
5721
      if (phy_procedures_RN_UE_RX(nr_tti_rx, nr_tti_tx, r_type) != 0 )
5722
#endif
5723
	phy_procedures_UE_RX(ue,proc,eNB_id,abstraction_flag,do_pdcch_flag,mode,r_type,phy_vars_rn);
5724
    }
5725

5726 5727
    if (ue->mac_enabled==1) {
      if (slot==0) {
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5728
//#ifdef UE_NR_PHY_DEMO
5729 5730
        ret = mac_xface->ue_scheduler(ue->Mod_id,
            frame_rx,
5731 5732
            proc->subframe_rx,
            nr_tti_rx%(ue->frame_parms.ttis_per_subframe),
5733
            frame_tx,
5734 5735 5736
            proc->subframe_tx,
            nr_tti_tx%(ue->frame_parms.ttis_per_subframe),
            subframe_select(&ue->frame_parms,nr_tti_tx),
5737 5738
            eNB_id,
            0/*FIXME CC_id*/);
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5739 5740
//#else
/*        ret = mac_xface->ue_scheduler(ue->Mod_id,
5741
            frame_rx,
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5742
            nr_tti_rx,
5743
            frame_tx,
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gabriel committed
5744 5745
            nr_tti_tx,
            subframe_select(&ue->frame_parms,nr_tti_tx),
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5746 5747 5748
            eNB_id,*/
//            0/*FIXME CC_id*/);
//#endif
5749 5750

  if (ret == CONNECTION_LOST) {
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5751 5752
    LOG_E(PHY,"[UE %d] Frame %d, nr_tti_rx %d RRC Connection lost, returning to PRACH\n",ue->Mod_id,
    frame_rx,nr_tti_tx);
5753 5754 5755
    ue->UE_mode[eNB_id] = PRACH;
    //      mac_xface->macphy_exit("Connection lost");
  } else if (ret == PHY_RESYNCH) {
gabriel's avatar
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5756
    LOG_E(PHY,"[UE %d] Frame %d, nr_tti_rx %d RRC Connection lost, trying to resynch\n",
5757
    ue->Mod_id,
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5758
    frame_rx,nr_tti_tx);
5759 5760 5761
    ue->UE_mode[eNB_id] = RESYNCH;
    //     mac_xface->macphy_exit("Connection lost");
  } else if (ret == PHY_HO_PRACH) {
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gabriel committed
5762 5763
    LOG_I(PHY,"[UE %d] Frame %d, nr_tti_rx %d, return to PRACH and perform a contention-free access\n",
    ue->Mod_id,frame_rx,nr_tti_tx);
5764 5765
    ue->UE_mode[eNB_id] = PRACH;
  }
5766 5767
      }
    }
5768

5769
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_LTE,0);
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5770
#if UE_TIMING_TRACE
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5771
    stop_meas(&ue->phy_proc[ue->current_thread_id[nr_tti_rx]]);
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gabrielC committed
5772
#endif
5773
  } // slot
5774
}
5775 5776