phy_procedures_lte_ue.c 118 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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#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"

#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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#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif

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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

extern int oai_exit;




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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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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 subframe,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,
                                  ue->dlsch[eNB_id][0]->harq_processes[harq_pid]->nb_rb,
                                  ue->dlsch[eNB_id][0]->harq_processes[harq_pid]->rb_alloc_even,
                                  ue->dlsch[eNB_id][0]->harq_processes[harq_pid]->Qm,
                                  ue->dlsch[eNB_id][0]->harq_processes[harq_pid]->Nl,
                                  ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
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                                  proc->frame_rx,subframe);
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  write_output("rxsigF0.m","rxsF0", ue->common_vars.rxdataF[0],2*nsymb*ue->frame_parms.ofdm_symbol_size,2,1);
  write_output("rxsigF0_ext.m","rxsF0_ext", ue->pdsch_vars[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[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[0]->rxdataF_comp0[0],300*12,1,1);
  write_output("dlsch_rxF_llr.m","dlsch_llr", ue->pdsch_vars[0]->llr[0],coded_bits_per_codeword,1,0);
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  write_output("dlsch_mag1.m","dlschmag1",ue->pdsch_vars[0]->dl_ch_mag0,300*12,1,1);
  write_output("dlsch_mag2.m","dlschmag2",ue->pdsch_vars[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 subframe)
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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[eNB_id]->num_pdcch_symbols,
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                                  proc->frame_rx,subframe);
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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,
	ue->frame_parms.ofdm_symbol_size,
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	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,
        ue->pdcch_vars[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][subframe*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.rxdataF[0],nsymb*ue->frame_parms.ofdm_symbol_size,1,1);
  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)
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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;

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  if (gain_dB < -20)
    return(AMP/10);
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  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 subframe)
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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[eNB_id]->num_pdcch_symbols,
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                                  proc->frame_rx,subframe);
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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,
        ue->pdcch_vars[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.rxdataF[0],2*12*ue->frame_parms.ofdm_symbol_size,2,1);
  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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  // 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;
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  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
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  //[NUMBER_OF_CONNECTED_eNB_MAX][2];
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  for(i=0; i<NUMBER_OF_CONNECTED_eNB_MAX; i++) {
    for(j=0; j<2; j++) {
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      //DL HARQ
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      if(ue->dlsch[i][j]) {
        for(k=0; k<NUMBER_OF_HARQ_PID_MAX && ue->dlsch[i][j]->harq_processes[k]; k++) {
          ue->dlsch[i][j]->harq_processes[k]->status = SCH_IDLE;
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        }
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      }
    }
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    //UL HARQ
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    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;
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        //Set NDIs for all UL HARQs to 0
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        //  ue->ulsch[i]->harq_processes[k]->Ndi = 0;
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      }
    }
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    // flush Msg3 buffer
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    ue->ulsch_Msg3_active[i] = 0;
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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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  LOG_E(PHY,"[UE %d] Random-access procedure fails, going back to PRACH, setting SIStatus = 0 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\n",Mod_id);
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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;
      PHY_vars_UE_g[Mod_id][CC_id]->dlsch[eNB_index][0]->harq_processes[i]->round=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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  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->subframe_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_I(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 subframe=proc->subframe_tx;

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  LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d Checking for SR TXOp (sr_ConfigIndex %d)\n",
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        ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,proc->frame_tx,subframe,
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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
    if ((subframe%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
    if (subframe==(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)+subframe) == (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)+subframe) == (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)+subframe) == (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)
{
  int subframe = proc->subframe_tx;
  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",
  //      ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,subframe,
  //      cqirep->cqi_PMI_ConfigIndex,
  //      (((10*frame + subframe) % cqirep->Npd) == cqirep->N_OFFSET_CQI));

  if (((10*frame + subframe) % cqirep->Npd) == cqirep->N_OFFSET_CQI)
    return(1);
  else
    return(0);
}
uint8_t is_ri_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
{


  int subframe = proc->subframe_tx;
  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",
  //      ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,subframe,
  //      cqirep->ri_ConfigIndex,
  //      (((10*frame + subframe + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0));

  if (((10*frame + subframe + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0)
    return(1);
  else
    return(0);
}

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void compute_srs_pos(lte_frame_type_t frameType,uint16_t isrs,uint16_t *psrsPeriodicity,uint16_t *psrsOffset)
{
    if(TDD == frameType)
    {
        if(isrs<10)
        {
            mac_xface->macphy_exit("2 ms SRS periodicity not supported");
        }

        if((isrs>9)&&(isrs<15))
        {
            *psrsPeriodicity=5;
            *psrsOffset=isrs-10;
        }
        if((isrs>14)&&(isrs<25))
        {
            *psrsPeriodicity=10;
            *psrsOffset=isrs-15;
        }
        if((isrs>24)&&(isrs<45))
        {
            *psrsPeriodicity=20;
            *psrsOffset=isrs-25;
        }
        if((isrs>44)&&(isrs<85))
        {
            *psrsPeriodicity=40;
            *psrsOffset=isrs-45;
        }
        if((isrs>84)&&(isrs<165))
        {
            *psrsPeriodicity=80;
            *psrsOffset=isrs-85;
        }
        if((isrs>164)&&(isrs<325))
        {
            *psrsPeriodicity=160;
            *psrsOffset=isrs-165;
        }
        if((isrs>324)&&(isrs<645))
        {
            *psrsPeriodicity=320;
            *psrsOffset=isrs-325;
        }

        if(isrs>644)
        {
            mac_xface->macphy_exit("Isrs out of range");
        }

    }
    else
    {
        if(isrs<2)
        {
            *psrsPeriodicity=2;
            *psrsOffset=isrs;
        }
        if((isrs>1)&&(isrs<7))
        {
            *psrsPeriodicity=5;
            *psrsOffset=isrs-2;
        }
        if((isrs>6)&&(isrs<17))
        {
            *psrsPeriodicity=10;
            *psrsOffset=isrs-7;
        }
        if((isrs>16)&&(isrs<37))
        {
            *psrsPeriodicity=20;
            *psrsOffset=isrs-17;
        }
        if((isrs>36)&&(isrs<77))
        {
            *psrsPeriodicity=40;
            *psrsOffset=isrs-37;
        }
        if((isrs>76)&&(isrs<157))
        {
            *psrsPeriodicity=80;
            *psrsOffset=isrs-77;
        }
        if((isrs>156)&&(isrs<317))
        {
            *psrsPeriodicity=160;
            *psrsOffset=isrs-157;
        }
        if((isrs>316)&&(isrs<637))
        {
            *psrsPeriodicity=320;
            *psrsOffset=isrs-317;
        }
        if(isrs>636)
        {
            mac_xface->macphy_exit("Isrs out of range");
        }
    }
}

void ue_compute_srs_occasion(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
{
    LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
    int frame_tx    = proc->frame_tx;
    int subframe_tx = proc->subframe_tx;
    uint8_t isSubframeSRS   = 0; // SRS Cell Occasion

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    uint8_t is_pucch2_subframe = 0;
    uint8_t is_sr_an_subframe  = 0;

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

  // check for SRS opportunity
  pSoundingrs_ul_config_dedicated->srsUeSubframe   = 0;
  pSoundingrs_ul_config_dedicated->srsCellSubframe = 0;
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  ue->ulsch[eNB_id]->srs_active   = 0;
  ue->ulsch[eNB_id]->Nsymb_pusch  = 12-(frame_parms->Ncp<<1)- ue->ulsch[eNB_id]->srs_active;
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  if(frame_parms->soundingrs_ul_config_common.enabled_flag)
  {

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      LOG_D(PHY," SRS SUBFRAMECONFIG: %d, Isrs: %d \n", frame_parms->soundingrs_ul_config_common.srs_SubframeConfig, pSoundingrs_ul_config_dedicated->srs_ConfigIndex);
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      uint8_t  TSFC;
      uint16_t deltaTSFC; // bitmap
      uint8_t  srs_SubframeConfig;
      uint16_t srsPeriodicity;
      uint16_t srsOffset;

      // table resuming TSFC (Period) and deltaSFC (offset)
      const uint16_t deltaTSFCTabType1[15][2] = { {1,1},{1,2},{2,2},{1,5},{2,5},{4,5},{8,5},{3,5},{12,5},{1,10},{2,10},{4,10},{8,10},{351,10},{383,10} };      // Table 5.5.3.3-2 3GPP 36.211 FDD
      const uint16_t deltaTSFCTabType2[14][2] = { {2,5},{6,5},{10,5},{18,5},{14,5},{22,5},{26,5},{30,5},{70,10},{74,10},{194,10},{326,10},{586,10},{210,10} }; // Table 5.5.3.3-2 3GPP 36.211 TDD

      srs_SubframeConfig = frame_parms->soundingrs_ul_config_common.srs_SubframeConfig;
      if (FDD == frame_parms->frame_type)
      {
          // srs_SubframeConfig =< 14
          deltaTSFC = deltaTSFCTabType1[srs_SubframeConfig][0];
          TSFC      = deltaTSFCTabType1[srs_SubframeConfig][1];
      }
      else
      {
          // srs_SubframeConfig =< 13
          deltaTSFC = deltaTSFCTabType2[srs_SubframeConfig][0];
          TSFC      = deltaTSFCTabType2[srs_SubframeConfig][1];
      }

      // Sounding reference signal subframes are the subframes satisfying ns/2 mod TSFC (- deltaTSFC
      uint16_t tmp = (subframe_tx %  TSFC);
      if((1<<tmp) & deltaTSFC)
      {
          // This is a Sounding reference signal subframes
          isSubframeSRS = 1;
          pSoundingrs_ul_config_dedicated->srsCellSubframe  = 1;
      }
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      LOG_D(PHY," ISTDD: %d, TSFC: %d, deltaTSFC: %d, AbsSubframeTX: %d.%d, srsCellSubframe: %d \n", frame_parms->frame_type, TSFC, deltaTSFC, frame_tx, subframe_tx, pSoundingrs_ul_config_dedicated->srsCellSubframe);
      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
          // - SRS are configured in current subframe
          // - UE is configured to send SRS in this subframe

          // 36.213 8.2
          // 1- A UE shall not transmit SRS whenever SRS and PUCCH format 2/2a/2b transmissions happen to coincide in the same subframe
          // 2- A UE shall not transmit SRS whenever SRS transmit
          //    on and PUCCH transmission carrying ACK/NACK and/or
          //    positive SR happen to coincide in the same subframe if the parameter
          //    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,
                              ue->pdcch_vars[eNB_id]->crnti,
                              subframe_tx); // subframe used for meas gap

                      if (SR_payload > 0)
                          is_sr_an_subframe = 1;
                  }
              }

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

          // check SRS UE opportunity
          if( isSubframeSRS  &&
                  (((10*frame_tx+subframe_tx) % srsPeriodicity) == srsOffset)
          )
          {
              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
              {
                  LOG_I(PHY,"DROP UE-SRS-TX for this subframe %d.%d: collision with PUCCH2 or SR/AN: PUCCH2-occasion: %d, SR-AN-occasion[simSRS-SR-AN %d]: %d  \n", frame_tx, subframe_tx, is_pucch2_subframe, frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission, is_sr_an_subframe);
              }
          }
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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) {
      
      if (cqi_PMI_ConfigIndex <= 349) { // 32 ms CQI_PMI period
	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
	cqirep->Npd = 64;
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	cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-350;
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      }
      else if (cqi_PMI_ConfigIndex <= 541) { // 128 ms CQI_PMI period
	cqirep->Npd = 128;
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	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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uint16_t get_n1_pucch(PHY_VARS_UE *ue,
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		      UE_rxtx_proc_t *proc,
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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,harq_ack1,harq_ack0;
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  ANFBmode_t bundling_flag;
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  uint16_t n1_pucch0=0,n1_pucch1=0;
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  int subframe_offset;
  int sf;
  int M;
  // clear this, important for case where n1_pucch selection is not used
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  int subframe=proc->subframe_tx;
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  ue->pucch_sel[subframe] = 0;
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  if (frame_parms->frame_type == FDD ) { // FDD
    sf = (subframe<4)? subframe+6 : subframe-4;
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    LOG_D(PHY,"n1_pucch_UE: subframe %d, nCCE %d\n",sf,ue->pdcch_vars[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[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 subframe %d : get_n1_pucch, bundling, SR %d/%d\n",ue->Mod_id,proc->frame_tx,subframe,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 subframe %d : get_n1_pucch, multiplexing, SR %d/%d\n",ue->Mod_id,proc->frame_tx,subframe,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 subframe (2,3,4) => (0,2,4)
      if (subframe == 2) {  // ACK subframes 5 (forget 6)
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        subframe_offset = 5;
        M=2;
      } else if (subframe == 3) { // ACK subframe 9
        subframe_offset = 9;
      } else if (subframe == 7) { // ACK subframes 0 (forget 1)
        subframe_offset = 0;
        M=2;
      } else if (subframe == 8) { // ACK subframes 4
        subframe_offset = 4;
      } else {
        LOG_E(PHY,"[UE%d] : Frame %d phy_procedures_lte.c: get_n1pucch, illegal subframe %d for tdd_config %d\n",
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              ue->Mod_id,proc->frame_tx,subframe,frame_parms->tdd_config);
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        return(0);
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      }


      // i=0
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      nCCE0 = ue->pdcch_vars[eNB_id]->nCCE[subframe_offset];
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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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      // set ACK/NAK to values if not DTX
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      if (ue->dlsch[eNB_id][0]->harq_ack[subframe_offset].send_harq_status>0)  // n-6 // subframe 5 is to be ACK/NAKed
        harq_ack0 = ue->dlsch[eNB_id][0]->harq_ack[subframe_offset].ack;
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      if (harq_ack0!=2) {  // DTX
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        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[subframe] = 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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        }
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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)
      // Note: this doesn't allow using subframe 1 for PDSCH transmission!!! (i.e. SF 1 cannot be acked in SF 2)
      // set ACK/NAKs to DTX
      harq_ack1 = 2; // DTX
      harq_ack0 = 2; // DTX
      // This is the offset for a particular subframe (2,3,4) => (0,2,4)
      subframe_offset = (subframe-2)<<1;
      // i=0
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      nCCE0 = ue->pdcch_vars[eNB_id]->nCCE[5+subframe_offset];
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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[eNB_id]->nCCE[(6+subframe_offset)%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[eNB_id][0]->harq_ack[(6+subframe_offset)%10].send_harq_status>0)  // n-6 // subframe 6 is to be ACK/NAKed
        harq_ack1 = ue->dlsch[eNB_id][0]->harq_ack[(6+subframe_offset)%10].ack;
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      if (ue->dlsch[eNB_id][0]->harq_ack[5+subframe_offset].send_harq_status>0)  // n-6 // subframe 5 is to be ACK/NAKed
        harq_ack0 = ue->dlsch[eNB_id][0]->harq_ack[5+subframe_offset].ack;
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      if (harq_ack1!=2) { // n-6 // subframe 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[subframe] = 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[subframe] = 0;
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            return(n1_pucch0);
          } else {
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            ue->pucch_sel[subframe] = 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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        }
      } else if (harq_ack0!=2) { // n-7  // subframe 5,7,9 only is to be ACK/NAKed
        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[subframe] = 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[subframe] = 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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    }  // 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",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 subframe relationship
  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) {
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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;
  int subframe_tx = proc->subframe_tx;
  int frame_tx = proc->frame_tx;
  int ulsch_start;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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  int overflow=0;
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  int k,l;
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  int dummy_tx_buffer[3840*4] __attribute__((aligned(16)));
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#endif

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  start_meas(&ue->ofdm_mod_stats);
  nsymb = (frame_parms->Ncp == 0) ? 14 : 12;
  
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)//this is the EXPRESS MIMO case
  ulsch_start = (ue->rx_offset+subframe_tx*frame_parms->samples_per_tti-
		 ue->hw_timing_advance-
		 ue->timing_advance-
		 ue->N_TA_offset+5)%(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti);
#else //this is the normal case
  ulsch_start = (frame_parms->samples_per_tti*subframe_tx)-ue->N_TA_offset; //-ue->timing_advance;
#endif //else EXMIMO
  if ((frame_tx%100) == 0)
    LOG_D(PHY,"[UE %d] Frame %d, subframe %d: ulsch_start = %d (rxoff %d, HW TA %d, timing advance %d, TA_offset %d\n",
	  ue->Mod_id,frame_tx,subframe_tx,
	  ulsch_start,
	  ue->rx_offset,
	  ue->hw_timing_advance,
	  ue->timing_advance,
	  ue->N_TA_offset);
  
  
  for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
    if (frame_parms->Ncp == 1)
      PHY_ofdm_mod(&ue->common_vars.txdataF[aa][subframe_tx*nsymb*frame_parms->ofdm_symbol_size],
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
		   dummy_tx_buffer,
#else
		   &ue->common_vars.txdata[aa][ulsch_start],
#endif
		   frame_parms->ofdm_symbol_size,
		   nsymb,
		   frame_parms->nb_prefix_samples,
		   CYCLIC_PREFIX);
    else
      normal_prefix_mod(&ue->common_vars.txdataF[aa][subframe_tx*nsymb*frame_parms->ofdm_symbol_size],
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
			dummy_tx_buffer,
#else
			&ue->common_vars.txdata[aa][ulsch_start],
#endif
			nsymb,
			&ue->frame_parms);
    
    
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
    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
    
    
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
    overflow = ulsch_start - 9*frame_parms->samples_per_tti;
    
    
    for (k=ulsch_start,l=0; k<cmin(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,ulsch_start+frame_parms->samples_per_tti); 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;
    }
    
    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)
    // handle switch before 1st TX subframe, guarantee that the slot prior to transmission is switch on
    for (k=ulsch_start - (frame_parms->samples_per_tti>>1) ; k<ulsch_start ; k++) {
      if (k<0)
	ue->common_vars.txdata[aa][k+frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME] &= 0xFFFEFFFE;
      else if (k>(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME))
	ue->common_vars.txdata[aa][k-frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME] &= 0xFFFEFFFE;
      else
	ue->common_vars.txdata[aa][k] &= 0xFFFEFFFE;
    }
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#endif
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#endif
    
  } //nb_antennas_tx
  
  stop_meas(&ue->ofdm_mod_stats);
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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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  int frame_tx = proc->frame_tx;
  int subframe_tx = proc->subframe_tx;
  int prach_power;
  PRACH_RESOURCES_t prach_resources_local;
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  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,
							   ue->CC_id,
							   frame_tx,
							   eNB_id,
							   subframe_tx);
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      LOG_D(PHY,"Got prach_resources for eNB %d address %d, RRCCommon %d\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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    }
  }
  
  if (ue->prach_resources[eNB_id]!=NULL) {
    
    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
    
    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[subframe_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[subframe_tx] = ue->tx_power_max_dBm;
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	ue->prach_resources[eNB_id]->ra_PreambleIndex = 19;	      
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      }
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      LOG_I(PHY,"[UE  %d][RAPROC] Frame %d, Subframe %d : Generating PRACH, preamble %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,
	    subframe_tx,
	    ue->prach_resources[eNB_id]->ra_PreambleIndex,
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		ue->tx_power_dBm[subframe_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[subframe_tx] = 96;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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      ue->prach_vars[eNB_id]->amp = get_tx_amp(ue->tx_power_dBm[subframe_tx],
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					       ue->tx_power_max_dBm,
					       ue->frame_parms.N_RB_UL,
					       6);
#else
      ue->prach_vars[eNB_id]->amp = AMP;
#endif
      if ((mode == calib_prach_tx) && (((proc->frame_tx&0xfffe)%100)==0))
	LOG_D(PHY,"[UE  %d][RAPROC] Frame %d, Subframe %d : PRACH TX power %d dBm, amp %d\n",
	      ue->Mod_id,
	      proc->frame_rx,
	      proc->subframe_tx,
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	      ue->tx_power_dBm[subframe_tx],
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	      ue->prach_vars[eNB_id]->amp);
      
      
      //      start_meas(&ue->tx_prach);
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_IN);
      prach_power = generate_prach(ue,eNB_id,subframe_tx,frame_tx);
      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",
	    ue->Mod_id,
	    get_PL(ue->Mod_id,ue->CC_id,eNB_id),
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	    ue->tx_power_dBm[subframe_tx],
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	    dB_fixed(prach_power),
	    ue->prach_vars[eNB_id]->amp);
    } 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;
      if (ue->mac_enabled==1){
	mac_xface->Msg1_transmitted(ue->Mod_id,
				    ue->CC_id,
				    frame_tx,
				    eNB_id);
      }
    }
    
    LOG_D(PHY,"[UE  %d][RAPROC] Frame %d, subframe %d: Generating PRACH (eNB %d) preamble index %d for UL, TX power %d dBm (PL %d dB), l3msg \n",
	  ue->Mod_id,frame_tx,subframe_tx,eNB_id,
	  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;
  
  LOG_D(PHY,"[UE %d] frame %d subframe %d : generate_prach %d, prach_cnt %d\n",
	ue->Mod_id,frame_tx,subframe_tx,ue->generate_prach,ue->prach_cnt);
  
  ue->prach_cnt++;
  
  if (ue->prach_cnt==3)
    ue->generate_prach=0;
}
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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;
  int subframe_tx=proc->subframe_tx;
  int Mod_id = ue->Mod_id;
  int CC_id = ue->CC_id;
  uint8_t Msg3_flag=0;
  uint8_t ack_status=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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  // get harq_pid from subframe relationship
  harq_pid = subframe2harq_pid(&ue->frame_parms,
			       frame_tx,
			       subframe_tx);
  
  
  if (ue->mac_enabled == 1) {
    if ((ue->ulsch_Msg3_active[eNB_id] == 1) &&
	(ue->ulsch_Msg3_frame[eNB_id] == frame_tx) &&
	(ue->ulsch_Msg3_subframe[eNB_id] == subframe_tx)) { // Initial Transmission of Msg3
      
      ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 1;
      
      if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->round==0)
	generate_ue_ulsch_params_from_rar(ue,
					  proc,
					  eNB_id);
      
      ue->ulsch[eNB_id]->power_offset = 14;
      LOG_D(PHY,"[UE  %d][RAPROC] Frame %d: Setting Msg3_flag in subframe %d, for harq_pid %d\n",
	    Mod_id,
	    frame_tx,
	    subframe_tx,
	    harq_pid);
      Msg3_flag = 1;
    } else {
      
      if (harq_pid==255) {
	LOG_E(PHY,"[UE%d] Frame %d ulsch_decoding.c: FATAL ERROR: illegal harq_pid, returning\n",
	      Mod_id,frame_tx);
	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);
	stop_meas(&ue->phy_proc_tx);
	return;
      }
      
      Msg3_flag=0;
    }
  }
  
  if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag == 1) {
    
    ue->generate_ul_signal[eNB_id] = 1;
    
    // deactivate service request
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    // ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 0;
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    ack_status = get_ack(&ue->frame_parms,
			 ue->dlsch[eNB_id][0]->harq_ack,
			 subframe_tx,
			 ue->ulsch[eNB_id]->o_ACK);
    
    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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#ifdef DEBUG_PHY_PROC
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    LOG_D(PHY,
	  "[UE  %d][PUSCH %d] Frame %d subframe %d Generating PUSCH : first_rb %d, nb_rb %d, round %d, mcs %d, rv %d, cyclic_shift %d (cyclic_shift_common %d,n_DMRS2 %d,n_PRS %d), ACK (%d,%d), O_ACK %d\n",
	  Mod_id,harq_pid,frame_tx,subframe_tx,
	  first_rb,nb_rb,
	  ue->ulsch[eNB_id]->harq_processes[harq_pid]->round,
	  ue->ulsch[eNB_id]->harq_processes[harq_pid]->mcs,
	  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+
	   ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[subframe_tx<<1])%12,
	  ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift,
	  ue->ulsch[eNB_id]->harq_processes[harq_pid]->n_DMRS2,
	  ue->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[subframe_tx<<1],
	  ue->ulsch[eNB_id]->o_ACK[0],ue->ulsch[eNB_id]->o_ACK[1],
	  ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK);
#endif
    
    if (ack_status > 0) {
      LOG_D(PHY,"[UE  %d][PDSCH %x] Frame %d subframe %d Generating ACK (%d,%d) for %d bits on PUSCH\n",
	    Mod_id,
	    ue->ulsch[eNB_id]->rnti,
	    frame_tx,subframe_tx,
	    ue->ulsch[eNB_id]->o_ACK[0],ue->ulsch[eNB_id]->o_ACK[1],
	    ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK);
    }
    
    
    
    
    
    if (Msg3_flag == 1) {
      LOG_I(PHY,"[UE  %d][RAPROC] Frame %d, Subframe %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,
	    subframe_tx,
	    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]);
      
      start_meas(&ue->ulsch_encoding_stats);
      
      if (abstraction_flag==0) {
	if (ulsch_encoding(ue->prach_resources[eNB_id]->Msg3,
			   ue,
			   harq_pid,
			   eNB_id,
			   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);
	  stop_meas(&ue->phy_proc_tx);
	  return;
	}
      }
      
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      else {
	ulsch_encoding_emul(ue->prach_resources[eNB_id]->Msg3,ue,eNB_id,harq_pid,0);
      }
      
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#endif
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      stop_meas(&ue->ulsch_encoding_stats);
      
      if (ue->mac_enabled == 1) {
	// signal MAC that Msg3 was sent
	mac_xface->Msg3_transmitted(Mod_id,
				    CC_id,
				    frame_tx,
				    eNB_id);
      }
    } // Msg3_flag==1
    else {
      input_buffer_length = ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS/8;
      
      if (ue->mac_enabled==1) {
	//  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,
				subframe_tx,
				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, subframe %d : ULSCH SDU (TX harq_pid %d)  (%d bytes) : \n",frame_tx,subframe_tx,harq_pid, ue->ulsch[eNB_id]->harq_processes[harq_pid]->TBS>>3);
	
	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 {
	unsigned int taus(void);
	
	for (i=0; i<input_buffer_length; i++)
	  ulsch_input_buffer[i]= (uint8_t)(taus()&0xff);
	
      }
      
      start_meas(&ue->ulsch_encoding_stats);
      
      if (abstraction_flag==0) {
	
	if (ulsch_encoding(ulsch_input_buffer,
			   ue,
			   harq_pid,
			   eNB_id,
			   ue->transmission_mode[eNB_id],0,
			   0)!=0) {  //  Nbundled, to be updated!!!!
	  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);
	  stop_meas(&ue->phy_proc_tx);
	  return;
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	}
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      }
      
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#ifdef PHY_ABSTRACTION
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      else {
	ulsch_encoding_emul(ulsch_input_buffer,ue,eNB_id,harq_pid,0);
      }
      
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#endif
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      stop_meas(&ue->ulsch_encoding_stats);
    }
    
    if (abstraction_flag == 0) {
      if (ue->mac_enabled==1) {
	pusch_power_cntl(ue,proc,eNB_id,1, abstraction_flag);
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	ue->tx_power_dBm[subframe_tx] = ue->ulsch[eNB_id]->Po_PUSCH;
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      }
      else {
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	ue->tx_power_dBm[subframe_tx] = ue->tx_power_max_dBm;
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      }
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      ue->tx_total_RE[subframe_tx] = nb_rb*12;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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      tx_amp = get_tx_amp(ue->tx_power_dBm[subframe_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;
#endif
      LOG_D(PHY,"[UE  %d][PUSCH %d] Frame %d subframe %d, generating PUSCH, Po_PUSCH: %d dBm (max %d dBm), amp %d\n",
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	    Mod_id,harq_pid,frame_tx,subframe_tx,ue->tx_power_dBm[subframe_tx],ue->tx_power_max_dBm, tx_amp);
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      start_meas(&ue->ulsch_modulation_stats);
      ulsch_modulation(ue->common_vars.txdataF,
		       tx_amp,
		       frame_tx,
		       subframe_tx,
		       &ue->frame_parms,
		       ue->ulsch[eNB_id]);
      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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			   subframe_tx,
			   first_rb,
			   nb_rb,
			   aa);
      
      stop_meas(&ue->ulsch_modulation_stats);
    }
    
    if (abstraction_flag==1) {
      // clear SR
      ue->sr[subframe_tx]=0;
    }
  } // subframe_scheduling_flag==1
}
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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;
  int8_t  subframe_tx = proc->subframe_tx;
  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;
    }

#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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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);

    generate_srs_tx(ue, eNB_id, tx_amp, subframe_tx);
  }
}
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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
    *len=4;
    return(sinr2cqi((double)ue->measurements.wideband_cqi_avg[eNB_id],
		    ue->transmission_mode[eNB_id]));
  }
  else { // Mode 1-1 feedback, later
    *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 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];
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  uint8_t n1_pucch,n2_pucch;
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  ANFBmode_t bundling_flag;
  PUCCH_FMT_t format;
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  uint8_t SR_payload;
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  uint16_t CQI_payload;
  uint16_t RI_payload;

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  LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
  int frame_tx=proc->frame_tx;
  int subframe_tx=proc->subframe_tx;
  int Mod_id = ue->Mod_id;
  int CC_id = ue->CC_id;
  int tx_amp;
  int8_t Po_PUCCH;
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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
    specific SRS subframe even if the UE does not transmit SRS in that subframe
  */
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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;
  
  if ((frame_parms->frame_type==FDD) ||
      (bundling_flag==bundling)    ||
      ((frame_parms->frame_type==TDD)&&(frame_parms->tdd_config==1)&&((subframe_tx!=2)||(subframe_tx!=7)))) {
    format = pucch_format1a;
    LOG_D(PHY,"[UE] PUCCH 1a\n");
  } else {
    format = pucch_format1b;
    LOG_D(PHY,"[UE] PUCCH 1b\n");
  }
  
  // Check for SR and do ACK/NACK accordingly
  if (is_SR_TXOp(ue,proc,eNB_id)==1) {
    LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d: got SR_TXOp, Checking for SR for PUSCH from MAC\n",
	  Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame_tx,subframe_tx);
    
    if (ue->mac_enabled==1) {
      SR_payload = mac_xface->ue_get_SR(Mod_id,
					CC_id,
					frame_tx,
					eNB_id,
					ue->pdcch_vars[eNB_id]->crnti,
					subframe_tx); // subframe used for meas gap
    }
    else {
      SR_payload = 1;
    }
	    
    if (SR_payload>0) {
      ue->generate_ul_signal[eNB_id] = 1;
      LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d got the SR for PUSCH is %d\n",
	    Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame_tx,subframe_tx,SR_payload);
    } else {
      ue->sr[subframe_tx]=0;
    }
  } else {
    SR_payload=0;
  }
        	  
  if (get_ack(&ue->frame_parms,
	      ue->dlsch[eNB_id][0]->harq_ack,
	      subframe_tx,pucch_ack_payload) > 0) {
    // we need to transmit ACK/NAK in this subframe
	    
    ue->generate_ul_signal[eNB_id] = 1;
	    
    n1_pucch = get_n1_pucch(ue,
			    proc,
			    eNB_id,
			    pucch_ack_payload,
			    SR_payload);
	    
    if (ue->mac_enabled == 1) {
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      Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,format);
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    } 
    else {
      Po_PUCCH = ue->tx_power_max_dBm;
    }
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    ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
    ue->tx_total_RE[subframe_tx] = 12;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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    tx_amp = get_tx_amp(Po_PUCCH,
			ue->tx_power_max_dBm,
			ue->frame_parms.N_RB_UL,
			1);
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#else
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    tx_amp = AMP;
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#endif
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    if (SR_payload>0) {
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      LOG_D(PHY,"[UE  %d][SR %x] Frame %d subframe %d Generating PUCCH 1a/1b payload %d,%d (with SR for PUSCH), an_srs_simultanous %d, shorten_pucch %d, n1_pucch %d, Po_PUCCH, amp %d\n",
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	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
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		frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
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	    isShortenPucch,
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	    frame_tx, subframe_tx,
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	    pucch_ack_payload[0],pucch_ack_payload[1],
	    ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex,
	    Po_PUCCH,
	    tx_amp);
    } else {
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      LOG_D(PHY,"[UE  %d][PDSCH %x] Frame %d subframe %d Generating PUCCH 1a/1b, 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",
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	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
	    frame_tx, subframe_tx,
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		frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
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	    isShortenPucch,
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	    n1_pucch,pucch_ack_payload[0],pucch_ack_payload[1],SR_payload,
	    Po_PUCCH,
	    tx_amp);
    }
	    
    if (abstraction_flag == 0) {
	      
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      generate_pucch1x(ue->common_vars.txdataF,
		       &ue->frame_parms,
		       ue->ncs_cell,
		       format,
		       &ue->pucch_config_dedicated[eNB_id],
		       n1_pucch,
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		       isShortenPucch,  // shortened format
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		       pucch_ack_payload,
		       tx_amp,
		       subframe_tx);
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    } else {
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      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_ack_payload,
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			  SR_payload);
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#endif
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    }
  } else if (SR_payload==1) { // no ACK/NAK but SR is triggered by MAC
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    if (ue->mac_enabled == 1) {
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      Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,pucch_format1);
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    }
    else {
      Po_PUCCH = ue->tx_power_max_dBm;
    }
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    ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
    ue->tx_total_RE[subframe_tx] = 12;
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#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
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    tx_amp =  get_tx_amp(Po_PUCCH,
			 ue->tx_power_max_dBm,
			 ue->frame_parms.N_RB_UL,
			 1);
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#else
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    tx_amp = AMP;
#endif
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    LOG_D(PHY,"[UE  %d][SR %x] Frame %d subframe %d Generating PUCCH 1 (SR for PUSCH), an_srs_simultanous %d, shorten_pucch %d, n1_pucch %d, Po_PUCCH %d\n",
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	  Mod_id,
	  ue->dlsch[eNB_id][0]->rnti,
	  frame_tx, subframe_tx,
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	  frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
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	  isShortenPucch,
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	  ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex,
	  Po_PUCCH);
	    
    if (abstraction_flag == 0) {
	      
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      generate_pucch1x(ue->common_vars.txdataF,
		       &ue->frame_parms,
		       ue->ncs_cell,
		       pucch_format1,
		       &ue->pucch_config_dedicated[eNB_id],
		       ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex,
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		       isShortenPucch,  // shortened format
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		       pucch_ack_payload,  // this is ignored anyway, we just need a pointer
		       tx_amp,
		       subframe_tx);
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    } else {
      LOG_D(PHY,"Calling generate_pucch_emul ...\n");
      generate_pucch_emul(ue,
			  proc,
			  pucch_format1,
			  ue->frame_parms.pucch_config_common.nCS_AN,
			  pucch_ack_payload,
			  SR_payload);
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    }
  } // SR_Payload==1
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  // PUCCH 2x

  if (ue->generate_ul_signal[eNB_id] == 0) { // we have not generated ACK/NAK/SR in this subframe

    n2_pucch = ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PUCCH_ResourceIndex;
    // only use format2 for now, i.e. now ACK/NAK - CQI multiplexing
    format = pucch_format2;

    // Periodic CQI report
    if ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex>0)&&
	(is_cqi_TXOp(ue,proc,eNB_id)==1)){

      if (ue->mac_enabled == 1) {
	Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,format);
      }
      else {
	Po_PUCCH = ue->tx_power_max_dBm;
      }
      ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
      ue->tx_total_RE[subframe_tx] = 12;
      
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
      tx_amp =  get_tx_amp(Po_PUCCH,
			   ue->tx_power_max_dBm,
			   ue->frame_parms.N_RB_UL,
			   1);
#else
      tx_amp = AMP;
#endif
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      LOG_D(PHY,"[UE  %d][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2 (CQI), n2_pucch %d, Po_PUCCH %d, isShortenPucch %d, amp %d\n",
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	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
	    frame_tx, subframe_tx,
	    n2_pucch,
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	    Po_PUCCH,
	    isShortenPucch,
	    tx_amp);
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      int len;
      // get the payload : < 12 bits, returned in len
      CQI_payload = get_pucch2_cqi(ue,eNB_id,&len);
      generate_pucch2x(ue->common_vars.txdataF,
		       &ue->frame_parms,
		       ue->ncs_cell,
		       format,
		       &ue->pucch_config_dedicated[eNB_id],
		       n2_pucch,
		       &CQI_payload,
		       len,          // A
		       0,            // B2 not needed
		       tx_amp,
		       subframe_tx,
		       ue->pdcch_vars[eNB_id]->crnti);
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      ue->generate_ul_signal[eNB_id] = 1;
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    }
    // Periodic RI report
    else if ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex>0) &&
	     (is_ri_TXOp(ue,proc,eNB_id)==1)){

      if (ue->mac_enabled == 1) {
	Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,format);
      }
      else {
	Po_PUCCH = ue->tx_power_max_dBm;
      }
      ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
      ue->tx_total_RE[subframe_tx] = 12;
      
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
      tx_amp =  get_tx_amp(Po_PUCCH,
			   ue->tx_power_max_dBm,
			   ue->frame_parms.N_RB_UL,
			   1);
#else
      tx_amp = AMP;
#endif
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      LOG_D(PHY,"[UE  %d][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2 (RI), n2_pucch %d, Po_PUCCH %d, isShortenPucch %d, amp %d\n",
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	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
	    frame_tx, subframe_tx,
	    n2_pucch,
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	    Po_PUCCH,
	    isShortenPucch,
	    tx_amp);
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      RI_payload = get_pucch2_ri(ue,eNB_id);

      generate_pucch2x(ue->common_vars.txdataF,
		       &ue->frame_parms,
		       ue->ncs_cell,
		       format,
		       &ue->pucch_config_dedicated[eNB_id],
		       n2_pucch,
		       &RI_payload,
		       1,            // A
		       0,            // B2 not needed
		       tx_amp,
		       subframe_tx,
		       ue->pdcch_vars[eNB_id]->crnti);
      
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      ue->generate_ul_signal[eNB_id] = 1;
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    }
  }
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}
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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) {
  
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  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
  int32_t ulsch_start=0;
  int subframe_tx = proc->subframe_tx;
  int frame_tx = proc->frame_tx;
  unsigned int aa;
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX,VCD_FUNCTION_IN);
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  ue->generate_ul_signal[eNB_id] = 0;
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  start_meas(&ue->phy_proc_tx);
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#ifdef EMOS
  //phy_procedures_emos_UE_TX(next_slot);
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#endif

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  ue->tx_power_dBm[subframe_tx]=-127;
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  if (abstraction_flag==0) {
    for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
      memset(&ue->common_vars.txdataF[aa][subframe_tx*frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti],
	     0,
	     frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti*sizeof(int32_t));
    }
  }
      
  if (ue->UE_mode[eNB_id] != PRACH) {
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    // check cell srs subframe and ue srs subframe. This has an impact on pusch encoding
    ue_compute_srs_occasion(ue,proc,eNB_id);
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    ue_ulsch_uespec_procedures(ue,proc,eNB_id,abstraction_flag);
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  }
  	  
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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);
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  } // UE_mode==PUSCH
	
  	
#ifdef CBA
	
  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;
	  
    LOG_D(PHY,"[UE %d] Frame %d, subframe %d: CBA num dci %d\n",
	  Mod_id,frame_tx,subframe_tx,
	  ue->ulsch[eNB_id]->num_cba_dci[subframe_tx]);
	  
    mac_xface->ue_get_sdu(Mod_id,
			  CC_id,
			  frame_tx,
			  subframe_tx,
			  eNB_id,
			  ulsch_input_buffer,
			  input_buffer_length,
			  &access_mode);
	  
    ue->ulsch[eNB_id]->num_cba_dci[subframe_tx]=0;
	  
    if (access_mode > UNKNOWN_ACCESS) {
	    
      if (abstraction_flag==0) {
	if (ulsch_encoding(ulsch_input_buffer,
			   ue,
			   harq_pid,
			   eNB_id,
			   ue->transmission_mode[eNB_id],0,
			   0)!=0) {  //  Nbundled, to be updated!!!!
	  LOG_E(PHY,"ulsch_coding.c: FATAL ERROR: returning\n");
	  return;
	}
      }
	    
#ifdef PHY_ABSTRACTION
      else {
	ulsch_encoding_emul(ulsch_input_buffer,ue,eNB_id,harq_pid,0);
      }
	    
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#endif
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    } else {
      ue->ulsch[eNB_id]->harq_processes[harq_pid]->status= IDLE;
      //reset_cba_uci(ue->ulsch[eNB_id]->o);
      LOG_N(PHY,"[UE %d] Frame %d, subframe %d: CBA transmission cancelled or postponed\n",
	    Mod_id, frame_tx,subframe_tx);
    }
  }
	
#endif // end CBA
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  if (abstraction_flag == 0) {
	  
    if (ue->generate_ul_signal[eNB_id] == 1 )
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    {
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      ulsch_common_procedures(ue,proc);
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    }
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    else {  // no uplink so clear signal buffer instead
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)//this is the EXPRESS MIMO case
      ulsch_start = (ue->rx_offset+subframe_tx*frame_parms->samples_per_tti-
		     ue->hw_timing_advance-
		     ue->timing_advance-
		     ue->N_TA_offset+5)%(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti);
#else //this is the normal case
      ulsch_start = (frame_parms->samples_per_tti*subframe_tx)-ue->N_TA_offset; //-ue->timing_advance;
#endif //else EXMIMO
      for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
	memset(&ue->common_vars.txdata[aa][ulsch_start],0,frame_parms->samples_per_tti<<2);
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      }
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    }
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  } // mode != PRACH
    
      
  if ((ue->UE_mode[eNB_id] == PRACH) && 
      (ue->frame_parms.prach_config_common.prach_Config_enabled==1)) {
	
    // check if we have PRACH opportunity
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    if (is_prach_subframe(&ue->frame_parms,frame_tx,subframe_tx)) {
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      ue_prach_procedures(ue,proc,eNB_id,abstraction_flag,mode);
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    }
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  } // mode is PRACH
  else {
    ue->generate_prach=0;
  }
    
      
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX, VCD_FUNCTION_OUT);
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  stop_meas(&ue->phy_proc_tx);
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}

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void phy_procedures_UE_S_TX(PHY_VARS_UE *ue,uint8_t eNB_id,uint8_t abstraction_flag,relaying_type_t r_type)
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{
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  int aa;//i,aa;
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  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
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  if (abstraction_flag==0) {
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    for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
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#if defined(EXMIMO) //this is the EXPRESS MIMO case
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      int i;
      // set the whole tx buffer to RX
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      for (i=0; i<LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti; i++)
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	ue->common_vars.txdata[aa][i] = 0x00010001;
      
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#else //this is the normal case
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      memset(&ue->common_vars.txdata[aa][0],0,
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	     (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti)*sizeof(int32_t));
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#endif //else EXMIMO
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    }
  }
}

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void ue_measurement_procedures(uint16_t l, PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t eNB_id,uint8_t abstraction_flag,runmode_t mode)
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{
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  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
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  int subframe_rx = proc->subframe_rx;
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
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  if (l==0) {
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    // UE measurements on symbol 0
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    if (abstraction_flag==0) {
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      LOG_D(PHY,"Calling measurements subframe %d, rxdata %p\n",subframe_rx,ue->common_vars.rxdata);
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      lte_ue_measurements(ue,
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			  (subframe_rx*frame_parms->samples_per_tti+ue->rx_offset)%(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME),
			  (subframe_rx == 1) ? 1 : 0,
			  0);
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    } else {
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      lte_ue_measurements(ue,
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			  0,
			  0,
			  1);
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    }
  }

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  if (l==(6-ue->frame_parms.Ncp)) {
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    // make sure we have signal from PSS/SSS for N0 measurement
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    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_IN);
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    ue_rrc_measurements(ue,
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			subframe_rx,
			abstraction_flag);
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    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_OUT);
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    if (abstraction_flag==1)
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      ue->sinr_eff =  sinr_eff_cqi_calc(ue, 0);
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  }
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  if ((subframe_rx==0) && (l==(4-frame_parms->Ncp))) {
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    // AGC
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    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_IN);
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#ifndef OAI_USRP
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#ifndef OAI_BLADERF
#ifndef OAI_LMSSDR
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    phy_adjust_gain (ue,dB_fixed(ue->measurements.rssi),0);
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#endif
#endif
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#endif
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    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_OUT);
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    eNB_id = 0;
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    if (abstraction_flag == 0) {
      if (ue->no_timing_correction==0)
	lte_adjust_synch(&ue->frame_parms,
			 ue,
			 eNB_id,
			 0,
			 16384);
    }      
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  }
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_OUT);
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}

#ifdef EMOS
2045
void phy_procedures_emos_UE_RX(PHY_VARS_UE *ue,uint8_t last_slot,uint8_t eNB_id)
2046
{
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  uint8_t i,j;
  //uint16_t last_slot_emos;
  uint32_t bytes;
2051
  int Mod_id = ue->Mod_id;
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  /*
2054
    if (last_slot<2)
2055
    last_slot_emos = last_slot;
2056
    else if (last_slot>9)
2057
    last_slot_emos = last_slot - 8;
2058
    else {
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    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");
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    }
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  */

#ifdef EMOS_CHANNEL
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2066
  if ((last_slot==10) || (last_slot==11)) {
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    for (i=0; i<ue->frame_parms.nb_antennas_rx; i++)
      for (j=0; j<ue->frame_parms.nb_antennas_tx; j++) {
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	// 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));
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      }
  }
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2080
#endif
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  if (last_slot==0) {
    emos_dump_UE.timestamp = rt_get_time_ns();
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    emos_dump_UE.frame_rx = proc->frame_rx;
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    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;
2091
    emos_dump_UE.eNb_id = eNB_id;
2092
    memcpy(&emos_dump_UE.PHY_measurements,&measurements,sizeof(PHY_MEASUREMENTS));
2093
  }
2094

2095
  if (last_slot==1) {
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    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;
2100
  }
2101

2102
  if (last_slot==19) {
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    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];
    emos_dump_UE.pmi_saved = ue->dlsch[eNB_id][0]->pmi_alloc;
    emos_dump_UE.mcs = ue->dlsch[eNB_id][0]->harq_processes[ue->dlsch[eNB_id][0]->current_harq_pid]->mcs;
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    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));
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2120
    if (bytes!=sizeof(fifo_dump_emos_UE)) {
2121
      LOG_W(PHY,"[UE  %d] frame %d, slot %d, Problem writing EMOS data to FIFO\n",Mod_id,proc->frame_rx, last_slot);
2122
    } else {
2123 2124
      if (proc->frame_rx%100==0) {
	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);
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      }
    }
  }
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}
#endif


2133
void restart_phy(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t eNB_id,uint8_t abstraction_flag)
2134
{
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2136 2137
  //  uint8_t last_slot;
  uint8_t i;
2138
  LOG_I(PHY,"[UE  %d] frame %d, slot %d, restarting PHY!\n",ue->Mod_id,proc->frame_rx,proc->subframe_rx);
2139
  mac_xface->macphy_exit("restart_phy called");
2140
  //   first_run = 1;
2141

2142
  if (abstraction_flag ==0 ) {
2143
    ue->UE_mode[eNB_id] = NOT_SYNCHED;
2144
  } else {
2145 2146
    ue->UE_mode[eNB_id] = PRACH;
    ue->prach_resources[eNB_id]=NULL;
2147
  }
2148

2149 2150
  proc->frame_rx = -1;
  proc->frame_tx = -1;
2151 2152
  //  ue->synch_wait_cnt=0;
  //  ue->sched_cnt=-1;
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2154 2155
  ue->pbch_vars[eNB_id]->pdu_errors_conseq=0;
  ue->pbch_vars[eNB_id]->pdu_errors=0;
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2157 2158 2159 2160
  ue->pdcch_vars[eNB_id]->dci_errors = 0;
  ue->pdcch_vars[eNB_id]->dci_missed = 0;
  ue->pdcch_vars[eNB_id]->dci_false  = 0;
  ue->pdcch_vars[eNB_id]->dci_received = 0;
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  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;
2169
  ue->dlsch_p_received[eNB_id] = 0;
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  ue->dlsch_SI_errors[eNB_id] = 0;
  ue->dlsch_ra_errors[eNB_id] = 0;
2172
  ue->dlsch_p_errors[eNB_id] = 0;
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2174
  ue->dlsch_mch_received[eNB_id] = 0;
2175 2176

  for (i=0; i < MAX_MBSFN_AREA ; i ++) {
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    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;
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  }

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  //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;
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}


2193
void ue_pbch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t abstraction_flag)
2194
{
2195 2196 2197

  //  int i;
  int pbch_tx_ant=0;
2198 2199 2200 2201
  uint8_t pbch_phase;
  uint16_t frame_tx;
  static uint8_t first_run = 1;
  uint8_t pbch_trials = 0;
2202

2203
  DevAssert(ue);
2204 2205 2206

  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
2207

2208
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_IN);
2209

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2210
  pbch_phase=(frame_rx%4);
2211

2212 2213
  if (pbch_phase>=4)
    pbch_phase=0;
2214 2215 2216

  for (pbch_trials=0; pbch_trials<4; pbch_trials++) {
    //for (pbch_phase=0;pbch_phase<4;pbch_phase++) {
2217
    //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);
2218
    if (abstraction_flag == 0) {
2219
      pbch_tx_ant = rx_pbch(&ue->common_vars,
2220 2221 2222 2223 2224 2225
			    ue->pbch_vars[eNB_id],
			    &ue->frame_parms,
			    eNB_id,
			    ue->frame_parms.mode1_flag==1?SISO:ALAMOUTI,
			    ue->high_speed_flag,
			    pbch_phase);
2226 2227 2228 2229



    }
2230

2231 2232
#ifdef PHY_ABSTRACTION
    else {
2233
      pbch_tx_ant = rx_pbch_emul(ue,
2234 2235
				 eNB_id,
				 pbch_phase);
2236
    }
2237

2238 2239 2240 2241 2242
#endif

    if ((pbch_tx_ant>0) && (pbch_tx_ant<=4)) {
      break;
    }
2243

2244
    pbch_phase++;
2245

2246 2247 2248 2249 2250 2251 2252 2253
    if (pbch_phase>=4)
      pbch_phase=0;
  }



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

2254
    if (pbch_tx_ant>2) {
2255
      LOG_W(PHY,"[openair][SCHED][SYNCH] PBCH decoding: pbch_tx_ant>2 not supported\n");
2256
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
2257 2258 2259 2260
      return;
    }


2261 2262 2263
    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));
2264 2265
    frame_tx += pbch_phase;

2266 2267 2268
    if (ue->mac_enabled==1) {
      mac_xface->dl_phy_sync_success(ue->Mod_id,frame_rx,eNB_id,
				     ue->UE_mode[eNB_id]==NOT_SYNCHED ? 1 : 0);
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2269 2270
    }
    
2271 2272
#ifdef EMOS
    //emos_dump_UE.frame_tx = frame_tx;
2273
    //emos_dump_UE.mimo_mode = ue->pbch_vars[eNB_id]->decoded_output[1];
2274 2275 2276 2277
#endif

    if (first_run) {
      first_run = 0;
2278 2279 2280 2281 2282 2283

      proc->frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
      proc->frame_tx = proc->frame_rx;
      ue->proc.proc_rxtx[1].frame_rx = proc->frame_rx;
      ue->proc.proc_rxtx[1].frame_tx = proc->frame_tx;
      LOG_I(PHY,"[UE %d] frame %d, subframe %d: Adjusting frame counter (PBCH ant_tx=%d, frame_tx=%d, phase %d, rx_offset %d) => new frame %d\n",
2284 2285 2286 2287 2288
	    ue->Mod_id,
	    frame_rx,
	    subframe_rx,
	    pbch_tx_ant,
	    frame_tx,
2289 2290 2291
	    pbch_phase,
	    ue->rx_offset,
	    proc->frame_rx);
2292
      frame_rx = proc->frame_rx;
2293
      
2294
    } else if (((frame_tx & 0x03FF) != (proc->frame_rx & 0x03FF))) {
2295
      //(pbch_tx_ant != ue->frame_parms.nb_antennas_tx)) {
2296 2297 2298 2299 2300 2301 2302 2303 2304 2305
      LOG_D(PHY,"[UE %d] frame %d, subframe %d: Re-adjusting frame counter (PBCH ant_tx=%d, frame_rx=%d, frame%1024=%d, phase %d).\n",
	    ue->Mod_id,
	    proc->frame_rx,
	    subframe_rx,
	    pbch_tx_ant,
	    frame_tx,
	    frame_rx & 0x03FF,
	    pbch_phase);

      proc->frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
2306
      ue->proc.proc_rxtx[1].frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
2307
      proc->frame_tx = proc->frame_rx;
2308
      ue->proc.proc_rxtx[1].frame_tx = proc->frame_rx;
2309 2310
      frame_rx = proc->frame_rx;

2311
    }
2312

2313
#ifdef DEBUG_PHY_PROC
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    LOG_D(PHY,"[UE %d] frame %d, subframe %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",
	  ue->Mod_id,
	  frame_rx,
	  subframe_rx,
	  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);
2324
#endif
2325

2326
  } else { 
2327
    /*
2328
    LOG_E(PHY,"[UE %d] frame %d, subframe %d, Error decoding PBCH!\n",
2329
	  ue->Mod_id,frame_rx, subframe_rx);
2330

2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344
    LOG_I(PHY,"[UE %d] rx_offset %d\n",ue->Mod_id,ue->rx_offset);


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

    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);

    write_output("rxsigF0.m","rxsF0", ue->common_vars.rxdataF[0],8*ue->frame_parms.ofdm_symbol_size,1,1);
    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);
    */
2345

2346 2347 2348 2349
    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);
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2350 2351
    }
    else{
2352
      if (ue->pbch_vars[eNB_id]->pdu_errors_conseq>=100) {
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	LOG_E(PHY,"More that 100 consecutive PBCH errors! Exiting!\n");
	mac_xface->macphy_exit("More that 100 consecutive PBCH errors!");
      }
2356
    }
2357 2358
  }

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2359
  if (frame_rx % 100 == 0) {
2360 2361
    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;
2362
  }
2363 2364

#ifdef DEBUG_PHY_PROC
2365
  LOG_D(PHY,"[UE %d] frame %d, slot %d, PBCH errors = %d, consecutive errors = %d!\n",
2366 2367 2368
	ue->Mod_id,frame_rx, subframe_rx,
	ue->pbch_vars[eNB_id]->pdu_errors,
	ue->pbch_vars[eNB_id]->pdu_errors_conseq);
2369
#endif
2370
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
2371 2372
}

2373
int ue_pdcch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t abstraction_flag)
2374
{
2375 2376

  unsigned int dci_cnt=0, i;
2377

2378 2379
  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
2380
  DCI_ALLOC_t dci_alloc_rx[8];
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2381

2382

2383 2384 2385 2386 2387 2388
#ifdef PHY_ABSTRACTION
  int CC_id;
  int UE_id;
  uint8_t harq_pid;
#endif

2389
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_IN);
2390
  start_meas(&ue->dlsch_rx_pdcch_stats);
2391

2392 2393
  //  if (subframe_rx != 5)
  //    return 0;
2394 2395
  if (abstraction_flag == 0)  {

2396
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PDCCH, VCD_FUNCTION_IN);
2397
    rx_pdcch(&ue->common_vars,
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	     ue->pdcch_vars,
	     &ue->frame_parms,
	     subframe_rx,
	     eNB_id,
	     (ue->frame_parms.mode1_flag == 1) ? SISO : ALAMOUTI,
	     ue->high_speed_flag,
	     ue->is_secondary_ue);
2405 2406


2407 2408
    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);
2409
    dci_cnt = dci_decoding_procedure(ue,
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				     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 ...
				     eNB_id,subframe_rx);
2414
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DCI_DECODING, VCD_FUNCTION_OUT);
2415
    //LOG_D(PHY,"[UE  %d][PUSCH] Frame %d subframe %d PHICH RX\n",ue->Mod_id,frame_rx,subframe_rx);
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2416

2417
    if (is_phich_subframe(&ue->frame_parms,subframe_rx)) {
2418
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PHICH, VCD_FUNCTION_IN);
2419 2420
      rx_phich(ue,proc,
	       subframe_rx,eNB_id);
2421
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PHICH, VCD_FUNCTION_OUT);
2422 2423
    }
  }
2424

2425 2426
#ifdef PHY_ABSTRACTION
  else {
2427 2428
    for (i=0; i<NB_eNB_INST; i++) {
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++)
2429 2430
	if (PHY_vars_eNB_g[i][CC_id]->frame_parms.Nid_cell == ue->frame_parms.Nid_cell)
	  break;
2431

2432
      if (CC_id < MAX_NUM_CCs)
2433
	break;
2434
    }
2435

2436
    if (i==NB_eNB_INST) {
2437
      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);
2438
      mac_xface->macphy_exit("Could not find attached eNB for DCI emulation");
2439
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_OUT);
2440 2441
      return(-1);
    }
2442

2443
    LOG_D(PHY,"Calling dci_decoding_proc_emul ...\n");
2444
    dci_cnt = dci_decoding_procedure_emul(ue->pdcch_vars,
2445 2446 2447 2448 2449
					  PHY_vars_eNB_g[i][CC_id]->num_ue_spec_dci[subframe_rx&1],
					  PHY_vars_eNB_g[i][CC_id]->num_common_dci[subframe_rx&1],
					  PHY_vars_eNB_g[i][CC_id]->dci_alloc[subframe_rx&1],
					  dci_alloc_rx,
					  eNB_id);
2450
    //    printf("DCI: dci_cnt %d\n",dci_cnt);
2451
    UE_id = (uint32_t)find_ue((int16_t)ue->pdcch_vars[eNB_id]->crnti,PHY_vars_eNB_g[i][CC_id]);
2452

2453
    if (UE_id>=0) {
2454
      //      printf("Checking PHICH for UE  %d (eNB %d)\n",UE_id,i);
2455
      if (is_phich_subframe(&ue->frame_parms,subframe_rx)) {
2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466
	harq_pid = phich_subframe_to_harq_pid(&ue->frame_parms,frame_rx,subframe_rx);

	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");

	} // harq_pid is ACTIVE
2467 2468 2469
      } // This is a PHICH subframe
    } // UE_id exists
  }
2470

2471 2472
#endif

2473

2474
  LOG_D(PHY,"[UE  %d] Frame %d, subframe %d, Mode %s: DCI found %i\n",ue->Mod_id,frame_rx,subframe_rx,mode_string[ue->UE_mode[eNB_id]],dci_cnt);
2475 2476

 
2477

2478
  ue->pdcch_vars[eNB_id]->dci_received += dci_cnt;
2479

2480
#ifdef EMOS
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2481
  //emos_dump_UE.dci_cnt[subframe_rx] = dci_cnt;
2482 2483
#endif

2484 2485 2486
  for (i=0; i<dci_cnt; i++) {


2487

2488 2489
    if ((ue->UE_mode[eNB_id]>PRACH) &&
	(dci_alloc_rx[i].rnti == ue->pdcch_vars[eNB_id]->crnti) &&
2490 2491
	(dci_alloc_rx[i].format != format0)) {
      
2492

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2493
      LOG_D(PHY,"[UE  %d][DCI][PDSCH %x] frame %d, subframe %d: format %d, num_pdcch_symbols %d, nCCE %d, total CCEs %d\n",
2494 2495 2496 2497 2498 2499
	    ue->Mod_id,dci_alloc_rx[i].rnti,
	    frame_rx,subframe_rx,
	    dci_alloc_rx[i].format,
	    ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
	    ue->pdcch_vars[eNB_id]->nCCE[subframe_rx],
	    get_nCCE(3,&ue->frame_parms,get_mi(&ue->frame_parms,0)));
2500 2501 2502 2503




2504
      
2505 2506
      //      dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
      if ((ue->UE_mode[eNB_id] > PRACH) &&
2507 2508
	  (generate_ue_dlsch_params_from_dci(frame_rx,
					     subframe_rx,
2509
					     (void *)&dci_alloc_rx[i].dci_pdu,
2510
					     ue->pdcch_vars[eNB_id]->crnti,
2511
					     dci_alloc_rx[i].format,
2512 2513 2514
					     ue->dlsch[eNB_id],
					     &ue->frame_parms,
					     ue->pdsch_config_dedicated,
2515 2516 2517
					     SI_RNTI,
					     0,
					     P_RNTI)==0)) {
2518

2519
	ue->dlsch_received[eNB_id]++;
2520
	
2521
#ifdef DEBUG_PHY_PROC
2522 2523 2524
	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]);
	LOG_D(PHY,"[UE %d] *********** dlsch->active in subframe %d=> %d\n",ue->Mod_id,subframe_rx,ue->dlsch[eNB_id][0]->active);
2525
#endif
2526
	
2527 2528
	// we received a CRNTI, so we're in PUSCH
	if (ue->UE_mode[eNB_id] != PUSCH) {
2529
#ifdef DEBUG_PHY_PROC
2530
	  LOG_D(PHY,"[UE  %d] Frame %d, subframe %d: Received DCI with CRNTI %x => Mode PUSCH\n",ue->Mod_id,frame_rx,subframe_rx,ue->pdcch_vars[eNB_id]->crnti);
2531
#endif
2532 2533 2534 2535
	  //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
	  ue->UE_mode[eNB_id] = PUSCH;
	  //mac_xface->macphy_exit("Connected. Exiting\n");
	}
2536
      } else {
2537 2538
	LOG_E(PHY,"[UE  %d] Frame %d, subframe %d: Problem in DCI!\n",ue->Mod_id,frame_rx,subframe_rx);
	dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2539 2540 2541
      }
    }

2542
    else if ((dci_alloc_rx[i].rnti == SI_RNTI) &&
2543
	     ((dci_alloc_rx[i].format == format1A) || (dci_alloc_rx[i].format == format1C))) {
2544

2545
#ifdef DEBUG_PHY_PROC
2546
      LOG_D(PHY,"[UE  %d] subframe %d: Found rnti %x, format 1%s, dci_cnt %d\n",ue->Mod_id,subframe_rx,dci_alloc_rx[i].rnti,dci_alloc_rx[i].format==format1A?"A":"C",i);
2547 2548
#endif

2549

2550 2551
      if (generate_ue_dlsch_params_from_dci(frame_rx,
					    subframe_rx,
2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562
					    (void *)&dci_alloc_rx[i].dci_pdu,
					    SI_RNTI,
					    dci_alloc_rx[i].format,
					    &ue->dlsch_SI[eNB_id],
					    &ue->frame_parms,
					    ue->pdsch_config_dedicated,
					    SI_RNTI,
					    0,
					    P_RNTI)==0) {

	ue->dlsch_SI_received[eNB_id]++;
2563 2564
 

2565
	LOG_D(PHY,"[UE  %d] Frame %d, subframe %d : Generate UE DLSCH SI_RNTI format 1%s\n",ue->Mod_id,frame_rx,subframe_rx,dci_alloc_rx[i].format==format1A?"A":"C");
2566
	//dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2567 2568 2569

      }
    }
2570

2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581
    else if ((dci_alloc_rx[i].rnti == P_RNTI) &&
	     ((dci_alloc_rx[i].format == format1A) || (dci_alloc_rx[i].format == format1C))) {

#ifdef DEBUG_PHY_PROC
      LOG_D(PHY,"[UE  %d] subframe %d: Found rnti %x, format 1%s, dci_cnt %d\n",ue->Mod_id,subframe_rx,dci_alloc_rx[i].rnti,dci_alloc_rx[i].format==format1A?"A":"C",i);
#endif


      if (generate_ue_dlsch_params_from_dci(frame_rx,
					    subframe_rx,
					    (void *)&dci_alloc_rx[i].dci_pdu,
2582
						P_RNTI,
2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599
					    dci_alloc_rx[i].format,
					    &ue->dlsch_SI[eNB_id],
					    &ue->frame_parms,
					    ue->pdsch_config_dedicated,
					    SI_RNTI,
					    0,
					    P_RNTI)==0) {

	ue->dlsch_p_received[eNB_id]++;
 

	LOG_D(PHY,"[UE  %d] Frame %d, subframe %d : Generate UE DLSCH P_RNTI format 1%s\n",ue->Mod_id,frame_rx,subframe_rx,dci_alloc_rx[i].format==format1A?"A":"C");
	//dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);

      }
    }

2600
    else if ((ue->prach_resources[eNB_id]) &&
2601 2602
	     (dci_alloc_rx[i].rnti == ue->prach_resources[eNB_id]->ra_RNTI) &&
	     (dci_alloc_rx[i].format == format1A)) {
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2603

2604
#ifdef DEBUG_PHY_PROC
2605
      LOG_D(PHY,"[UE  %d][RAPROC] subframe %d: Found RA rnti %x, format 1A, dci_cnt %d\n",ue->Mod_id,subframe_rx,dci_alloc_rx[i].rnti,i);
2606 2607

      //if (((frame_rx%100) == 0) || (frame_rx < 20))
2608
      //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2609 2610 2611 2612
      //mac_xface->macphy_exit("so far so good...\n");
#endif


2613 2614
      if (generate_ue_dlsch_params_from_dci(frame_rx,
					    subframe_rx,
2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625
					    (DCI1A_5MHz_TDD_1_6_t *)&dci_alloc_rx[i].dci_pdu,
					    ue->prach_resources[eNB_id]->ra_RNTI,
					    format1A,
					    &ue->dlsch_ra[eNB_id],
					    &ue->frame_parms,
					    ue->pdsch_config_dedicated,
					    SI_RNTI,
					    ue->prach_resources[eNB_id]->ra_RNTI,
					    P_RNTI)==0) {

	ue->dlsch_ra_received[eNB_id]++;
2626

2627
#ifdef DEBUG_PHY_PROC
2628 2629
	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]);
2630
#endif
2631
      }
2632
    } else if( (dci_alloc_rx[i].rnti == ue->pdcch_vars[eNB_id]->crnti) &&
2633
	       (dci_alloc_rx[i].format == format0)) {
2634
#ifdef DEBUG_PHY_PROC
2635
      LOG_D(PHY,"[UE  %d][PUSCH] Frame %d subframe %d: Found rnti %x, format 0, dci_cnt %d\n",
2636
	    ue->Mod_id,frame_rx,subframe_rx,dci_alloc_rx[i].rnti,i);
2637 2638
#endif

2639 2640
      ue->ulsch_no_allocation_counter[eNB_id] = 0;
      //dump_dci(&ue->frame_parms,&dci_alloc_rx[i]);
2641

2642
      if ((ue->UE_mode[eNB_id] > PRACH) &&
2643
	  (generate_ue_ulsch_params_from_dci((void *)&dci_alloc_rx[i].dci_pdu,
2644
					     ue->pdcch_vars[eNB_id]->crnti,
2645 2646
					     subframe_rx,
					     format0,
2647
					     ue,
2648
					     proc,
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					     SI_RNTI,
					     0,
					     P_RNTI,
					     CBA_RNTI,
					     eNB_id,
					     0)==0)) {
2655

2656
#ifdef DEBUG_PHY_PROC
2657
	LOG_D(PHY,"[UE  %d] Generate UE ULSCH C_RNTI format 0 (subframe %d)\n",ue->Mod_id,subframe_rx);
2658 2659
#endif

2660
      }
2661
    } else if( (dci_alloc_rx[i].rnti == ue->ulsch[eNB_id]->cba_rnti[0]) &&
2662
	       (dci_alloc_rx[i].format == format0)) {
2663
      // UE could belong to more than one CBA group
2664
      // ue->Mod_id%ue->ulsch[eNB_id]->num_active_cba_groups]
2665
#ifdef DEBUG_PHY_PROC
2666
      LOG_D(PHY,"[UE  %d][PUSCH] Frame %d subframe %d: Found cba rnti %x, format 0, dci_cnt %d\n",
2667
	    ue->Mod_id,frame_rx,subframe_rx,dci_alloc_rx[i].rnti,i);
2668
      /*
2669 2670
	if (((frame_rx%100) == 0) || (frame_rx < 20))
	dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2671 2672 2673
      */
#endif

2674 2675
      ue->ulsch_no_allocation_counter[eNB_id] = 0;
      //dump_dci(&ue->frame_parms,&dci_alloc_rx[i]);
2676

2677
      if ((ue->UE_mode[eNB_id] > PRACH) &&
2678
	  (generate_ue_ulsch_params_from_dci((void *)&dci_alloc_rx[i].dci_pdu,
2679
					     ue->ulsch[eNB_id]->cba_rnti[0],
2680 2681
					     subframe_rx,
					     format0,
2682
					     ue,
2683
					     proc,
2684 2685 2686 2687 2688 2689
					     SI_RNTI,
					     0,
					     P_RNTI,
					     CBA_RNTI,
					     eNB_id,
					     0)==0)) {
2690

2691
#ifdef DEBUG_PHY_PROC
2692
	LOG_D(PHY,"[UE  %d] Generate UE ULSCH CBA_RNTI format 0 (subframe %d)\n",ue->Mod_id,subframe_rx);
2693
#endif
2694
	ue->ulsch[eNB_id]->num_cba_dci[(subframe_rx+4)%10]++;
2695
      }
2696 2697
    }

2698 2699
    else {
#ifdef DEBUG_PHY_PROC
2700
      LOG_D(PHY,"[UE  %d] frame %d, subframe %d: received DCI %d with RNTI=%x (C-RNTI:%x, CBA_RNTI %x) and format %d!\n",ue->Mod_id,frame_rx,subframe_rx,i,dci_alloc_rx[i].rnti,
2701 2702 2703
	    ue->pdcch_vars[eNB_id]->crnti,
	    ue->ulsch[eNB_id]->cba_rnti[0],
	    dci_alloc_rx[i].format);
2704
      //      dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2705 2706
#endif
    }
2707

2708
  }
2709

2710
  stop_meas(&ue->dlsch_rx_pdcch_stats);
2711
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_OUT);
2712 2713 2714
  return(0);
}

2715

2716
void ue_pmch_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc,int eNB_id,int abstraction_flag) {
2717

2718
  int subframe_rx = proc->subframe_rx;
2719
  int frame_rx = proc->frame_rx;
2720
  int pmch_mcs=-1;
2721
  int CC_id = ue->CC_id;
2722 2723 2724 2725
  uint8_t sync_area=255;
  uint8_t mcch_active;
  int l;
  int ret=0;
Raymond Knopp's avatar
 
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2726

2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742
  if (is_pmch_subframe(frame_rx,subframe_rx,&ue->frame_parms)) {
    LOG_D(PHY,"ue calling pmch subframe ..\n ");
    
    LOG_D(PHY,"[UE %d] Frame %d, subframe %d: Querying for PMCH demodulation\n",
	  ue->Mod_id,(subframe_rx==9?-1:0)+frame_rx,subframe_rx);
#ifdef Rel10
    pmch_mcs = mac_xface->ue_query_mch(ue->Mod_id,
				       CC_id,
				       frame_rx,
				       subframe_rx,
				       eNB_id,
				       &sync_area,
				       &mcch_active);
    
#else
    pmch_mcs=-1;
2743
#endif
2744 2745 2746 2747
    
    if (pmch_mcs>=0) {
      LOG_D(PHY,"[UE %d] Frame %d, subframe %d: Programming PMCH demodulation for mcs %d\n",ue->Mod_id,frame_rx,subframe_rx,pmch_mcs);
      fill_UE_dlsch_MCH(ue,pmch_mcs,1,0,0);
2748
      
2749 2750 2751 2752 2753 2754 2755 2756
      if (abstraction_flag == 0 ) {
	for (l=2; l<12; l++) {
	  
	  slot_fep_mbsfn(ue,
			 l,
			 subframe_rx,
			 0,0);//ue->rx_offset,0);
	}
2757

2758 2759 2760 2761 2762 2763
	for (l=2; l<12; l++) {
	  rx_pmch(ue,
		  0,
		  subframe_rx,
		  l);
	}
2764 2765


2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786
	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,subframe_rx);
	
	dlsch_unscrambling(&ue->frame_parms,1,ue->dlsch_MCH[0],
			   ue->dlsch_MCH[0]->harq_processes[0]->G,
			   ue->pdsch_vars_MCH[0]->llr[0],0,subframe_rx<<1);
	
	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],
			     subframe_rx,
			     0,
			     0,1);
      } else { // abstraction
2787
#ifdef PHY_ABSTRACTION
2788 2789 2790 2791
	ret = dlsch_decoding_emul(ue,
				  subframe_rx,
				  5, // PMCH
				  eNB_id);
2792
#endif
2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813
      }
      
      if (mcch_active == 1)
	ue->dlsch_mcch_trials[sync_area][0]++;
      else
	ue->dlsch_mtch_trials[sync_area][0]++;
      
      if (ret == (1+ue->dlsch_MCH[0]->max_turbo_iterations)) {
	if (mcch_active == 1)
	  ue->dlsch_mcch_errors[sync_area][0]++;
	else
	  ue->dlsch_mtch_errors[sync_area][0]++;
	
	LOG_D(PHY,"[UE %d] Frame %d, subframe %d: PMCH in error (%d,%d), not passing to L2 (TBS %d, iter %d,G %d)\n",
	      frame_rx,subframe_rx,
	      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);
	dump_mch(ue,0,ue->dlsch_MCH[0]->harq_processes[0]->G,subframe_rx);
2814
#ifdef DEBUG_DLSCH
2815 2816 2817
	
	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]);
2818
	}
2819 2820
	
	LOG_T(PHY,"\n");
2821
#endif
2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843
	
	if (subframe_rx==9)
	  mac_xface->macphy_exit("Why are we exiting here?");
      } else { // decoding successful
#ifdef Rel10
	
	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]++;
	  
	  
	  if (ue->dlsch_mch_received_sf[subframe_rx%5][0] == 1 ) {
	    ue->dlsch_mch_received_sf[subframe_rx%5][0]=0;
	  } else {
	    ue->dlsch_mch_received[0]+=1;
	    ue->dlsch_mch_received_sf[subframe_rx][0]=1;
2844
	  }
2845 2846 2847 2848 2849 2850 2851 2852
	  
	  
	}
#endif // Rel10
      } // decoding sucessful
    } // pmch_mcs>=0
  } // is_pmch_subframe=true
}
2853

2854
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) {
2855

2856 2857 2858 2859 2860
  int subframe_rx = proc->subframe_rx;
  int m;
  int harq_pid;
  int i_mod,eNB_id_i,dual_stream_UE;
  int first_symbol_flag=0;
2861

2862 2863
  if (dlsch0->active == 0)
    return;
2864

2865
  for (m=s0;m<=s1;m++) {
2866

2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881
    if (dlsch0 && (!dlsch1))  {
      harq_pid = dlsch0->current_harq_pid;
      LOG_D(PHY,"[UE %d] PDSCH active in subframe %d (%d), harq_pid %d\n",ue->Mod_id,subframe_rx,harq_pid);
	    
      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;
      } else {
	dual_stream_UE = 0;
	eNB_id_i = eNB_id+1;
	i_mod = 0;
2882
      }
2883 2884 2885
      
      if ((m==s0) && (m<4))
	first_symbol_flag = 1;
2886
      else
2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
	first_symbol_flag = 0;

      start_meas(&ue->dlsch_llr_stats);
      // process DLSCH received in first slot
      rx_pdsch(ue,
	       pdsch,
	       eNB_id,
	       eNB_id_i,
	       subframe_rx,  // subframe,
	       m,
	       first_symbol_flag,
	       dual_stream_UE,
	       i_mod,
	       dlsch0->current_harq_pid);
      stop_meas(&ue->dlsch_llr_stats);
    } // CRNTI active
2903
  }
2904
} 
2905

2906
void process_rar(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, int eNB_id, runmode_t mode, int abstraction_flag) {
2907

2908 2909 2910 2911 2912 2913
  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
  int timing_advance;
  LTE_UE_DLSCH_t *dlsch0 = ue->dlsch_ra[eNB_id];
  int harq_pid = 0;
  uint8_t *rar;
2914

2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976
  LOG_D(PHY,"[UE  %d][RAPROC] Frame %d subframe %d Received RAR  mode %d\n",
	ue->Mod_id,
	frame_rx,
	subframe_rx, ue->UE_mode[eNB_id]);
  
	
  if (ue->mac_enabled == 1) {
    if ((ue->UE_mode[eNB_id] != PUSCH) && 
	(ue->prach_resources[eNB_id]->Msg3!=NULL)) {
      LOG_D(PHY,"[UE  %d][RAPROC] Frame %d subframe %d Invoking MAC for RAR (current preamble %d)\n",
	    ue->Mod_id,frame_rx,
	    subframe_rx,
	    ue->prach_resources[eNB_id]->ra_PreambleIndex);
      
      timing_advance = mac_xface->ue_process_rar(ue->Mod_id,
						 ue->CC_id,
						 frame_rx,
						 dlsch0->harq_processes[0]->b,
						 &ue->pdcch_vars[eNB_id]->crnti,
						 ue->prach_resources[eNB_id]->ra_PreambleIndex);
      
	    
      if (timing_advance!=0xffff) {
	      
	LOG_D(PHY,"[UE  %d][RAPROC] Frame %d subframe %d Got rnti %x and timing advance %d from RAR\n",
	      ue->Mod_id,
	      frame_rx,
	      subframe_rx,
	      ue->pdcch_vars[eNB_id]->crnti,
	      timing_advance);
	      
	//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,
			 subframe_rx,
			 frame_rx,
			 &ue->ulsch_Msg3_frame[eNB_id],
			 &ue->ulsch_Msg3_subframe[eNB_id]);
	  
	  LOG_D(PHY,"[UE  %d][RAPROC] Got Msg3_alloc Frame %d subframe %d: Msg3_frame %d, Msg3_subframe %d\n",
		ue->Mod_id,
		frame_rx,
		subframe_rx,
		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
	LOG_W(PHY,"[UE  %d][RAPROC] Received RAR preamble (%d) doesn't match !!!\n",
	      ue->Mod_id,
	      ue->prach_resources[eNB_id]->ra_PreambleIndex);
2977
      }
2978 2979 2980 2981 2982 2983 2984 2985 2986
    } // 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);
  }
  
}
2987

2988 2989 2990 2991 2992 2993 2994 2995 2996
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) {
2997

2998 2999 3000 3001 3002 3003
  int harq_pid;
  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
  int ret=0;
  int CC_id = ue->CC_id;
  LTE_UE_PDSCH *pdsch_vars;
3004

3005 3006 3007 3008 3009 3010 3011 3012
  if (dlsch0 && (!dlsch1)) {
    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;
3013 3014 3015
    case P_PDSCH:
      pdsch_vars = ue->pdsch_vars_p[eNB_id];
      break;
3016 3017 3018 3019 3020 3021 3022 3023 3024
    case PDSCH:
      pdsch_vars = ue->pdsch_vars[eNB_id];
      break;
    case PMCH:
    case PDSCH1:
      LOG_E(PHY,"Illegal PDSCH %d for ue_pdsch_procedures\n",pdsch);
      pdsch_vars = NULL;
      return;
      break;
3025 3026 3027 3028 3029
    default:
      pdsch_vars = NULL;
      return;
      break;

3030 3031 3032
    }
  
    harq_pid = dlsch0->current_harq_pid;
3033

3034 3035
    if (frame_rx < *dlsch_errors)
      *dlsch_errors=0;
3036

3037 3038 3039 3040 3041 3042 3043
    if (pdsch==RA_PDSCH) {
      if (ue->prach_resources[eNB_id]!=NULL)
	dlsch0->rnti = ue->prach_resources[eNB_id]->ra_RNTI;
      else {
	LOG_E(PHY,"[UE %d] Frame %d, subframe %d: FATAL, prach_resources is NULL\n",ue->Mod_id,frame_rx,subframe_rx);
	mac_xface->macphy_exit("prach_resources is NULL");
	return;
3044 3045 3046
      }
    }

3047
    if (abstraction_flag == 0) {
3048

3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074
      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,
						  ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
						  frame_rx,subframe_rx);
      start_meas(&ue->dlsch_unscrambling_stats);
      dlsch_unscrambling(&ue->frame_parms,
			 0,
			 dlsch0,
			 dlsch0->harq_processes[harq_pid]->G,
			 pdsch_vars->llr[0],
			 0,
			 subframe_rx<<1);
      stop_meas(&ue->dlsch_unscrambling_stats);
      
      start_meas(&ue->dlsch_decoding_stats);
      ret = dlsch_decoding(ue,
			   pdsch_vars->llr[0],
			   &ue->frame_parms,
			   dlsch0,
			   dlsch0->harq_processes[harq_pid],
			   subframe_rx,
			   harq_pid,
			   pdsch==PDSCH?1:0,
3075
			   dlsch0->harq_processes[harq_pid]->TBS>256?1:0);
3076 3077 3078 3079 3080
      stop_meas(&ue->dlsch_decoding_stats);
    }
	
    else {
      LOG_D(PHY,"Calling dlsch_decoding_emul ...\n");
3081
#ifdef PHY_ABSTRACTION
3082 3083
      ret = dlsch_decoding_emul(ue,
				subframe_rx,
3084
				pdsch,
3085
				eNB_id);
3086
#endif
3087 3088 3089 3090 3091
    }
	
    if (ret == (1+dlsch0->max_turbo_iterations)) {
      *dlsch_errors=*dlsch_errors+1;
      
3092 3093
      if(dlsch0->rnti != 0xffff)
      {
3094 3095 3096 3097 3098 3099
      LOG_D(PHY,"[UE  %d][PDSCH %x/%d] Frame %d subframe %d DLSCH in error (rv %d,mcs %d,TBS %d)\n",
	    ue->Mod_id,dlsch0->rnti,
	    harq_pid,frame_rx,subframe_rx,
	    dlsch0->harq_processes[harq_pid]->rvidx,
	    dlsch0->harq_processes[harq_pid]->mcs,
	    dlsch0->harq_processes[harq_pid]->TBS);
3100
      }
3101
      
3102

3103
    } else {
3104 3105
        if(dlsch0->rnti != 0xffff)
        {
3106 3107 3108 3109 3110 3111
      LOG_D(PHY,"[UE  %d][PDSCH %x/%d] Frame %d subframe %d: Received DLSCH (rv %d,mcs %d,TBS %d)\n",
	    ue->Mod_id,dlsch0->rnti,
	    harq_pid,frame_rx,subframe_rx,
	    dlsch0->harq_processes[harq_pid]->rvidx,
	    dlsch0->harq_processes[harq_pid]->mcs,
	    dlsch0->harq_processes[harq_pid]->TBS);
3112
        }
3113

3114 3115 3116 3117 3118 3119 3120 3121
#ifdef DEBUG_DLSCH
      int j;
      LOG_D(PHY,"dlsch harq_pid %d (rx): \n",dlsch0->current_harq_pid);
      
      for (j=0; j<dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS>>3; j++)
	LOG_T(PHY,"%x.",dlsch0->harq_processes[dlsch0->current_harq_pid]->b[j]);
      
      LOG_T(PHY,"\n");
3122
#endif
3123

3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142
      
      if (ue->mac_enabled == 1) {
	switch (pdsch) {
	case PDSCH:
	  mac_xface->ue_send_sdu(ue->Mod_id,
				 CC_id,
				 frame_rx,
				 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;
3143 3144 3145 3146 3147 3148 3149 3150
	case P_PDSCH:
	  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;
3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162
	case RA_PDSCH:
	  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;
	}
3163
      }
3164 3165 3166 3167 3168 3169 3170 3171
      ue->total_TBS[eNB_id] =  ue->total_TBS[eNB_id] +
	dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS;
      ue->total_received_bits[eNB_id] = ue->total_TBS[eNB_id] +
	dlsch0->harq_processes[dlsch0->current_harq_pid]->TBS;
    }
  
  
      
3172
#ifdef DEBUG_PHY_PROC
3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189
    LOG_D(PHY,"[UE  %d][PDSCH %x/%d] Frame %d subframe %d: PDSCH/DLSCH decoding iter %d (mcs %d, rv %d, TBS %d)\n",
	  ue->Mod_id,
	  dlsch0->rnti,harq_pid,
	  frame_rx,subframe_rx,ret,
	  dlsch0->harq_processes[harq_pid]->mcs,
	  dlsch0->harq_processes[harq_pid]->rvidx,
	  dlsch0->harq_processes[harq_pid]->TBS);
    
    if (frame_rx%100==0) {
      LOG_D(PHY,"[UE  %d][PDSCH %x] Frame %d subframe %d dlsch_errors %d, dlsch_received %d, dlsch_fer %d, current_dlsch_cqi %d\n",
	    ue->Mod_id,dlsch0->rnti,
	    frame_rx,subframe_rx,
	    ue->dlsch_errors[eNB_id],
	    ue->dlsch_received[eNB_id],
	    ue->dlsch_fer[eNB_id],
	    ue->measurements.wideband_cqi_tot[eNB_id]);
    }
3190
    
3191 3192
#endif

3193
  }
3194

3195

3196 3197 3198
}
int phy_procedures_UE_RX(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,PHY_VARS_RN *phy_vars_rn) {
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3199
 
3200 3201 3202 3203 3204
  int l,l2;
  int pilot1;
  int pmch_flag=0;
  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
3205

3206 3207


3208
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_IN);
3209

3210

3211
  start_meas(&ue->phy_proc_rx);
3212

3213
  pmch_flag = is_pmch_subframe(frame_rx,subframe_rx,&ue->frame_parms) ? 1 : 0;
3214 3215


3216 3217 3218 3219 3220
  // deactivate reception until we scan pdcch
  if (ue->dlsch[eNB_id][0])
    ue->dlsch[eNB_id][0]->active = 0;
  if (ue->dlsch[eNB_id][1])
    ue->dlsch[eNB_id][1]->active = 0;
3221

3222 3223
  if (ue->dlsch_SI[eNB_id])
    ue->dlsch_SI[eNB_id]->active = 0;
3224 3225
  if (ue->dlsch_p[eNB_id])
    ue->dlsch_p[eNB_id]->active = 0;
3226 3227
  if (ue->dlsch_ra[eNB_id])
    ue->dlsch_ra[eNB_id]->active = 0;
3228

3229
  
3230
#ifdef DEBUG_PHY_PROC
3231 3232 3233
  LOG_D(PHY,"[%s %d] Frame %d subframe %d: Doing phy_procedures_UE_RX (%d)\n",
	(r_type == multicast_relay) ? "RN/UE" : "UE",
	ue->Mod_id,frame_rx, subframe_rx);
3234 3235
#endif

3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266
  if (ue->frame_parms.Ncp == 0) {  // normal prefix
    pilot1 = 4;
  } else { // extended prefix
    pilot1 = 3;
  }
  
  
  if (subframe_select(&ue->frame_parms,subframe_rx) == SF_S) { // S-subframe, do first 5 symbols only
    l2 = 5;
  } else if (pmch_flag == 1) { // do first 2 symbols only
    l2 = 1;
  } else { // normal subframe, last symbol to be processed is the first of the second slot
    l2 = (ue->frame_parms.symbols_per_tti/2)-1;
  }
  
  //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  // RX processing of symbols l=1...l2 (l=0 is done in last scheduling epoch)
  //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  for (l=1; l<=l2; l++) {
    if (abstraction_flag == 0) {
      start_meas(&ue->ofdm_demod_stats);
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
      slot_fep(ue,
	       l,
	       (subframe_rx<<1),
	       ue->rx_offset,
	       0,
	       0);
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
      stop_meas(&ue->ofdm_demod_stats);
3267
    }
3268
    
3269 3270 3271 3272 3273 3274 3275 3276 3277
    ue_measurement_procedures(l-1,ue,proc,eNB_id,abstraction_flag,mode);
    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);
      
      if (ue_pdcch_procedures(eNB_id,ue,proc,abstraction_flag) == -1) {
	LOG_E(PHY,"[UE  %d] Frame %d, subframe %d: Error in pdcch procedures\n",ue->Mod_id,frame_rx,subframe_rx);
	return(-1);
      }
3278
      LOG_D(PHY,"num_pdcch_symbols %d\n",ue->pdcch_vars[eNB_id]->num_pdcch_symbols);
3279
    }
3280 3281
    
  } // for l=1..l2
3282
  ue_measurement_procedures(l-1,ue,proc,eNB_id,abstraction_flag,mode);  
3283 3284 3285 3286 3287 3288
  
    // If this is PMCH, call procedures and return
  if (pmch_flag == 1) {
    ue_pmch_procedures(ue,proc,eNB_id,abstraction_flag);
    return 0;
  }
3289

3290 3291 3292 3293 3294 3295
  slot_fep(ue,
	   0,
	   1+(subframe_rx<<1),
	   ue->rx_offset,
	   0,
	   0);
3296

3297 3298 3299 3300
  // first slot has been processed (FFTs + Channel Estimation, PCFICH/PHICH/PDCCH)
 
  // do procedures for C-RNTI
  if (ue->dlsch[eNB_id][0]->active == 1) {
3301
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
3302 3303 3304 3305 3306 3307 3308 3309 3310
    ue_pdsch_procedures(ue,
			proc,
			eNB_id,
			PDSCH,
			ue->dlsch[eNB_id][0],
			NULL,
			ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
3311
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
3312 3313 3314
  }
  // do procedures for SI-RNTI
  if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
3315
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_IN);
3316 3317 3318 3319 3320 3321 3322 3323 3324
    ue_pdsch_procedures(ue,
			proc,
			eNB_id,
			SI_PDSCH,
			ue->dlsch_SI[eNB_id],
			NULL,
			ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
3325
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_OUT);
3326
  }
3327 3328 3329

  // do procedures for SI-RNTI
  if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
3330
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_IN);
3331 3332 3333 3334 3335 3336 3337 3338 3339
    ue_pdsch_procedures(ue,
			proc,
			eNB_id,
			P_PDSCH,
			ue->dlsch_p[eNB_id],
			NULL,
			ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
3340
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_OUT);
3341 3342
  }

3343 3344
  // do procedures for RA-RNTI
  if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
3345
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_IN);
3346 3347 3348 3349 3350 3351 3352 3353 3354
    ue_pdsch_procedures(ue,
			proc,
			eNB_id,
			RA_PDSCH,
			ue->dlsch_ra[eNB_id],
			NULL,
			ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
			ue->frame_parms.symbols_per_tti>>1,
			abstraction_flag);
3355
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_OUT);
3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383
  }    
  
  if (subframe_select(&ue->frame_parms,subframe_rx) != SF_S) {  // do front-end processing for second slot, and first symbol of next subframe
    for (l=1; l<ue->frame_parms.symbols_per_tti>>1; l++) {
      if (abstraction_flag == 0) {
	start_meas(&ue->ofdm_demod_stats);
	VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
	slot_fep(ue,
		 l,
		 1+(subframe_rx<<1),
		 ue->rx_offset,
		 0,
		 0);
	VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
	stop_meas(&ue->ofdm_demod_stats);
      }
      
      ue_measurement_procedures(l-1,ue,proc,eNB_id,abstraction_flag,mode);
      
    } // for l=1..l2
      // do first symbol of next subframe for channel estimation
    slot_fep(ue,
	     0,
	     (2+(subframe_rx<<1))%20,
	     ue->rx_offset,
	     0,
	     0);
  } // not an S-subframe
3384

3385 3386 3387 3388 3389 3390
  // run pbch procedures if subframe is 0
  if (subframe_rx == 0)
    ue_pbch_procedures(eNB_id,ue,proc,abstraction_flag);
   
  // do procedures for C-RNTI
  if (ue->dlsch[eNB_id][0]->active == 1) {
3391
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409
    ue_pdsch_procedures(ue,
			proc,
			eNB_id,
			PDSCH,
			ue->dlsch[eNB_id][0],
			NULL,
			1+(ue->frame_parms.symbols_per_tti>>1),
			ue->frame_parms.symbols_per_tti-1,
			abstraction_flag);
    ue_dlsch_procedures(ue,
			proc,
			eNB_id,
			PDSCH,
			ue->dlsch[eNB_id][0],
			NULL,
			&ue->dlsch_errors[eNB_id],
			mode,
			abstraction_flag);
3410
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
3411

3412 3413 3414 3415 3416
  }
  else {
    //  printf("PDSCH inactive in subframe %d\n",subframe_rx-1);
    ue->dlsch[eNB_id][0]->harq_ack[subframe_rx].send_harq_status = 0;
  }
3417

3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428
  // 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,
			1+(ue->frame_parms.symbols_per_tti>>1),
			ue->frame_parms.symbols_per_tti-1,
			abstraction_flag);
3429

3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440
    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;
  }
3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464

  // 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,
			1+(ue->frame_parms.symbols_per_tti>>1),
			ue->frame_parms.symbols_per_tti-1,
			abstraction_flag);

    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;
  }
3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486
  // 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,
			1+(ue->frame_parms.symbols_per_tti>>1),
			ue->frame_parms.symbols_per_tti-1,
			abstraction_flag);
    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;
  }
3487

3488
  if (subframe_rx==9) {
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3489
    if (frame_rx % 10 == 0) {
3490
      if ((ue->dlsch_received[eNB_id] - ue->dlsch_received_last[eNB_id]) != 0)
3491
	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]);
3492

3493 3494
      ue->dlsch_errors_last[eNB_id] = ue->dlsch_errors[eNB_id];
      ue->dlsch_received_last[eNB_id] = ue->dlsch_received[eNB_id];
3495
    }
3496 3497


3498 3499
    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];
3500
    LOG_D(PHY,"[UE %d] Calculating bitrate Frame %d: total_TBS = %d, total_TBS_last = %d, bitrate %f kbits\n",
3501 3502
	  ue->Mod_id,frame_rx,ue->total_TBS[eNB_id],
	  ue->total_TBS_last[eNB_id],(float) ue->bitrate[eNB_id]/1000.0);
3503
  }
3504 3505


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3506 3507

#ifdef EMOS
3508
  phy_procedures_emos_UE_RX(ue,slot,eNB_id);
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3509 3510
#endif

3511
     
3512
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
3513
  stop_meas(&ue->phy_proc_rx);
3514
  return (0);
3515
}
3516
   
3517
#ifdef Rel10
3518 3519
int phy_procedures_RN_UE_RX(uint8_t slot_rx, uint8_t next_slot, relaying_type_t r_type)
{
3520
   
3521
  int do_proc =0; // do nothing by default
3522
   
3523
  switch(r_type) {
3524
  case no_relay:
3525
    do_proc=no_relay; // perform the normal UE operation
3526
    break;
3527
     
3528
  case multicast_relay:
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3529
    if (slot_rx > 12)
3530 3531
      do_proc = 0; // do nothing
    else // SF#1, SF#2, SF3, SF#3, SF#4, SF#5, SF#6(do rx slot 12)
3532
      do_proc = multicast_relay ; // do PHY procedures UE RX
3533
     
3534
    break;
3535
     
3536 3537 3538 3539 3540
  default: // should'not be here
    LOG_W(PHY,"Not supported relay type %d, do nothing \n", r_type);
    do_proc= 0;
    break;
  }
3541
   
3542 3543
  return do_proc;
}
3544
#endif
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void phy_procedures_UE_lte(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, PHY_VARS_RN *phy_vars_rn)
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{
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#if defined(ENABLE_ITTI)
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  MessageDef   *msg_p;
  const char   *msg_name;
  instance_t    instance;
  unsigned int  Mod_id;
  int           result;
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#endif
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  int           frame_rx = proc->frame_rx;
  int           frame_tx = proc->frame_tx;
  int           subframe_rx = proc->subframe_rx;
  int           subframe_tx = proc->subframe_tx;
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#undef DEBUG_PHY_PROC
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  UE_L2_STATE_t ret;
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  int slot;
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  if (ue->mac_enabled == 0) {
    ue->UE_mode[eNB_id]=PUSCH;
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  }
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  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_LTE,1);
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  start_meas(&ue->phy_proc);
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#if defined(ENABLE_ITTI)
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  do {
    // Checks if a message has been sent to PHY sub-task
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    itti_poll_msg (TASK_PHY_UE, &msg_p);
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    if (msg_p != NULL) {
      msg_name = ITTI_MSG_NAME (msg_p);
      instance = ITTI_MSG_INSTANCE (msg_p);
      Mod_id = instance - NB_eNB_INST;
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      switch (ITTI_MSG_ID(msg_p)) {
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      case PHY_FIND_CELL_REQ:
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	LOG_I(PHY, "[UE %d] Received %s\n", Mod_id, msg_name);
	 
	/* TODO process the message */
	break;
	 
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      default:
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	LOG_E(PHY, "[UE %d] Received unexpected message %s\n", Mod_id, msg_name);
	break;
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      }
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      result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
      AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
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    }
  } while(msg_p != NULL);
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#endif
   
  for (slot=0;slot<2;slot++) {
     
    if ((subframe_select(&ue->frame_parms,subframe_tx)==SF_UL)||
	(ue->frame_parms.frame_type == FDD)) {
      phy_procedures_UE_TX(ue,proc,eNB_id,abstraction_flag,mode,r_type);
    }
     
    if ((subframe_select(&ue->frame_parms,subframe_rx)==SF_DL) ||
	(ue->frame_parms.frame_type == FDD)) {
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#ifdef Rel10
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      if (phy_procedures_RN_UE_RX(subframe_rx, subframe_tx, r_type) != 0 )
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#endif
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	phy_procedures_UE_RX(ue,proc,eNB_id,abstraction_flag,mode,r_type,phy_vars_rn);
    }
     
    if ((subframe_select(&ue->frame_parms,subframe_tx)==SF_S) &&
	(slot==1)) {
      phy_procedures_UE_S_TX(ue,eNB_id,abstraction_flag,r_type);
    }
       
    if ((subframe_select(&ue->frame_parms,subframe_rx)==SF_S) &&
	(slot==0)) {
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#ifdef Rel10
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      if (phy_procedures_RN_UE_RX(subframe_rx, subframe_tx, r_type) != 0 )
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#endif
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	phy_procedures_UE_RX(ue,proc,eNB_id,abstraction_flag,mode,r_type,phy_vars_rn);
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    }
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    if (ue->mac_enabled==1) {
      if (slot==0) {
	ret = mac_xface->ue_scheduler(ue->Mod_id,
				      frame_tx,
				      subframe_rx,
				      subframe_select(&ue->frame_parms,subframe_tx),
				      eNB_id,
				      0/*FIXME CC_id*/);
	   
	if (ret == CONNECTION_LOST) {
	  LOG_E(PHY,"[UE %d] Frame %d, subframe %d RRC Connection lost, returning to PRACH\n",ue->Mod_id,
		frame_rx,subframe_tx);
	  ue->UE_mode[eNB_id] = PRACH;
	  //      mac_xface->macphy_exit("Connection lost");
	} else if (ret == PHY_RESYNCH) {
	  LOG_E(PHY,"[UE %d] Frame %d, subframe %d RRC Connection lost, trying to resynch\n",
		ue->Mod_id,
		frame_rx,subframe_tx);
	  ue->UE_mode[eNB_id] = RESYNCH;
	  //     mac_xface->macphy_exit("Connection lost");
	} else if (ret == PHY_HO_PRACH) {
	  LOG_I(PHY,"[UE %d] Frame %d, subframe %d, return to PRACH and perform a contention-free access\n",
		ue->Mod_id,frame_rx,subframe_tx);
	  ue->UE_mode[eNB_id] = PRACH;
	}
      }
    }
       
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_LTE,0);
    stop_meas(&ue->phy_proc);
  } // slot
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}
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