phy_procedures_lte_ue.c 120 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
/*
 * 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
 */
21 22 23

/*! \file phy_procedures_lte_ue.c
 * \brief Implementation of UE procedures from 36.213 LTE specifications
24
 * \author R. Knopp, F. Kaltenberger, N. Nikaein
25 26 27
 * \date 2011
 * \version 0.1
 * \company Eurecom
28
 * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
29 30 31 32
 * \note
 * \warning
 */

33
#include "assertions.h"
34 35 36 37 38 39 40 41 42 43
#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

Florian Kaltenberger's avatar
Florian Kaltenberger committed
44
#define DEBUG_PHY_PROC
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

#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"

60 61 62 63
#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif

64 65 66
#include "PHY/defs.h"

#include "PHY/CODING/extern.h"
67 68 69 70 71 72 73 74 75 76 77

#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;




kaltenbe's avatar
kaltenbe committed
78
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
79
extern uint32_t downlink_frequency[MAX_NUM_CCs][4];
80 81
#endif

82

83

84
void dump_dlsch(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t subframe,uint8_t harq_pid)
85
{
86
  unsigned int coded_bits_per_codeword;
87 88 89 90 91 92 93 94
  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,
95
                                  proc->frame_rx,subframe);
96 97 98 99

  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);
100
  /*
101 102 103 104
    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);
105
  */
106 107
  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);
108

109 110
  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);
111 112
}

113
void dump_dlsch_SI(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t subframe)
114
{
115
  unsigned int coded_bits_per_codeword;
116
  uint8_t nsymb = ((ue->frame_parms.Ncp == 0) ? 14 : 12);
117

118 119 120
  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,
121
                                  2,
122
                                  1,
123
                                  ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
124
                                  proc->frame_rx,subframe);
125
  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",
126 127
        ue->Mod_id,
	ue->frame_parms.ofdm_symbol_size,
128
	nsymb,
129 130 131 132
        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,
133
        coded_bits_per_codeword);
134

135
  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);
136

137 138 139
  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);
140
  /*
141 142 143 144
    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);
145
  */
146 147
  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);
148

149 150
  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);
151
  sleep(1);
152 153 154
  exit(-1);
}

kaltenbe's avatar
kaltenbe committed
155
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
Raymond Knopp's avatar
 
Raymond Knopp committed
156 157
//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};
/*
158 159
  unsigned int get_tx_amp_prach(int power_dBm, int power_max_dBm, int N_RB_UL)
  {
160

161
  int gain_dB = power_dBm - power_max_dBm;
Raymond Knopp's avatar
 
Raymond Knopp committed
162 163 164 165
  int amp_x_100;

  switch (N_RB_UL) {
  case 6:
166 167
  amp_x_100 = AMP;      // PRACH is 6 PRBS so no scale
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
168
  case 15:
169 170
  amp_x_100 = 158*AMP;  // 158 = 100*sqrt(15/6)
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
171
  case 25:
172 173
  amp_x_100 = 204*AMP;  // 204 = 100*sqrt(25/6)
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
174
  case 50:
175 176
  amp_x_100 = 286*AMP;  // 286 = 100*sqrt(50/6)
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
177
  case 75:
178 179
  amp_x_100 = 354*AMP;  // 354 = 100*sqrt(75/6)
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
180
  case 100:
181 182
  amp_x_100 = 408*AMP;  // 408 = 100*sqrt(100/6)
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
183
  default:
184 185 186
  LOG_E(PHY,"Unknown PRB size %d\n",N_RB_UL);
  mac_xface->macphy_exit("");
  break;
Raymond Knopp's avatar
 
Raymond Knopp committed
187
  }
188
  if (gain_dB < -30) {
189
  return(amp_x_100/3162);
190
  } else if (gain_dB>0)
191
  return(amp_x_100);
192
  else
193 194
  return(amp_x_100/gain_table[-gain_dB]);  // 245 corresponds to the factor sqrt(25/6)
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
195 196 197 198 199 200 201 202
*/

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;

203 204
  if (gain_dB < -20)
    return(AMP/10);
Raymond Knopp's avatar
 
Raymond Knopp committed
205 206 207 208 209 210 211 212 213 214 215 216

  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);
}

217 218
#endif

219
void dump_dlsch_ra(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t subframe)
220
{
221
  unsigned int coded_bits_per_codeword;
222
  uint8_t nsymb = ((ue->frame_parms.Ncp == 0) ? 14 : 12);
223

224 225 226
  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,
227
                                  2,
228
                                  1,
229
                                  ue->pdcch_vars[eNB_id]->num_pdcch_symbols,
230
                                  proc->frame_rx,subframe);
231
  LOG_D(PHY,"[UE %d] Dumping dlsch_ra : nb_rb %d, mcs %d, nb_rb %d, num_pdcch_symbols %d,G %d\n",
232 233 234 235 236
        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,
237
        coded_bits_per_codeword);
238

239 240 241
  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);
242
  /*
243 244 245 246
    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);
247
  */
248 249
  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);
250

251 252
  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);
253
}
254

255

256 257
void phy_reset_ue(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
258 259 260

  // This flushes ALL DLSCH and ULSCH harq buffers of ALL connected eNBs...add the eNB_index later
  // for more flexibility
261

262
  uint8_t i,j,k;
263
  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
264

265
  //[NUMBER_OF_CONNECTED_eNB_MAX][2];
266 267
  for(i=0; i<NUMBER_OF_CONNECTED_eNB_MAX; i++) {
    for(j=0; j<2; j++) {
268
      //DL HARQ
269 270 271
      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;
272
        }
273 274
      }
    }
275

276
    //UL HARQ
277 278 279
    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;
280
        //Set NDIs for all UL HARQs to 0
281
        //  ue->ulsch[i]->harq_processes[k]->Ndi = 0;
282

283 284
      }
    }
285

286
    // flush Msg3 buffer
287
    ue->ulsch_Msg3_active[i] = 0;
288

289 290 291
  }
}

292 293
void ra_failed(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
294 295

  // if contention resolution fails, go back to PRACH
Raymond Knopp's avatar
 
Raymond Knopp committed
296
  PHY_vars_UE_g[Mod_id][CC_id]->UE_mode[eNB_index] = PRACH;
297
  LOG_E(PHY,"[UE %d] Random-access procedure fails, going back to PRACH, setting SIStatus = 0 and State RRC_IDLE\n",Mod_id);
298 299 300
  //mac_xface->macphy_exit("");
}

301 302
void ra_succeeded(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
303 304 305

  int i;

306
  LOG_I(PHY,"[UE %d][RAPROC] Random-access procedure succeeded\n",Mod_id);
307

308
  PHY_vars_UE_g[Mod_id][CC_id]->ulsch_Msg3_active[eNB_index] = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
309
  PHY_vars_UE_g[Mod_id][CC_id]->UE_mode[eNB_index] = PUSCH;
310

311
  for (i=0; i<8; i++) {
312 313 314
    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;
315
    }
316 317 318 319 320
  }


}

321 322
UE_MODE_t get_ue_mode(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
323

Raymond Knopp's avatar
 
Raymond Knopp committed
324
  return(PHY_vars_UE_g[Mod_id][CC_id]->UE_mode[eNB_index]);
325 326

}
327
void process_timing_advance_rar(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint16_t timing_advance) {
328

329
  ue->timing_advance = timing_advance*4;
330 331


332
#ifdef DEBUG_PHY_PROC
333
  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);
334 335 336 337
#endif

}

338 339
void process_timing_advance(uint8_t Mod_id,uint8_t CC_id,int16_t timing_advance)
{
340

341
  //  uint32_t frame = PHY_vars_UE_g[Mod_id]->frame;
342

343
  // timing advance has Q1.5 format
344
  timing_advance = timing_advance - 31;
345

346 347
  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!!!

348

349
  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);
350

351 352 353

}

354
uint8_t is_SR_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
355 356
{

357 358
  int subframe=proc->subframe_tx;

359
  LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d Checking for SR TXOp (sr_ConfigIndex %d)\n",
360
        ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,proc->frame_tx,subframe,
361
        ue->scheduling_request_config[eNB_id].sr_ConfigIndex);
362

363 364
  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)
365
      return(1);
366 367
  } 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))
368
      return(1);
369
  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 34) { // 20 ms SR period
370
    if ((10*(proc->frame_tx&1)+subframe) == (ue->scheduling_request_config[eNB_id].sr_ConfigIndex-15))
371
      return(1);
372
  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 74) { // 40 ms SR period
373
    if ((10*(proc->frame_tx&3)+subframe) == (ue->scheduling_request_config[eNB_id].sr_ConfigIndex-35))
374
      return(1);
375
  } else if (ue->scheduling_request_config[eNB_id].sr_ConfigIndex <= 154) { // 80 ms SR period
376
    if ((10*(proc->frame_tx&7)+subframe) == (ue->scheduling_request_config[eNB_id].sr_ConfigIndex-75))
377 378 379 380 381 382
      return(1);
  }

  return(0);
}

383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419
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);
}

hbilel's avatar
hbilel committed
420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526
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

527 528 529
    uint8_t is_pucch2_subframe = 0;
    uint8_t is_sr_an_subframe  = 0;

hbilel's avatar
hbilel committed
530 531 532 533 534
    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;
fnabet's avatar
fnabet committed
535 536 537

  ue->ulsch[eNB_id]->srs_active   = 0;
  ue->ulsch[eNB_id]->Nsymb_pusch  = 12-(frame_parms->Ncp<<1)- ue->ulsch[eNB_id]->srs_active;
hbilel's avatar
hbilel committed
538 539 540
  if(frame_parms->soundingrs_ul_config_common.enabled_flag)
  {

fnabet's avatar
fnabet committed
541
      LOG_D(PHY," SRS SUBFRAMECONFIG: %d, Isrs: %d \n", frame_parms->soundingrs_ul_config_common.srs_SubframeConfig, pSoundingrs_ul_config_dedicated->srs_ConfigIndex);
hbilel's avatar
hbilel committed
542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574

      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;
      }
fnabet's avatar
fnabet committed
575 576
      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);
fnabet's avatar
fnabet committed
577 578
      if(pSoundingrs_ul_config_dedicated->srsConfigDedicatedSetup)
      {
579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645
          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);
              }
          }
fnabet's avatar
fnabet committed
646
      }
fnabet's avatar
fnabet committed
647
      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);
hbilel's avatar
hbilel committed
648 649 650
  }
}

Raymond Knopp's avatar
Raymond Knopp committed
651 652 653 654 655 656 657 658 659 660 661 662
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;
663
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-2;
Raymond Knopp's avatar
Raymond Knopp committed
664 665
    } else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
      cqirep->Npd = 10;
666
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-7;
Raymond Knopp's avatar
Raymond Knopp committed
667 668
    } else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
      cqirep->Npd = 20;
669
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-17;
Raymond Knopp's avatar
Raymond Knopp committed
670 671
    } else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
      cqirep->Npd = 40;
672
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-37;
Raymond Knopp's avatar
Raymond Knopp committed
673 674
    } else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
      cqirep->Npd = 80;
675
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-77;
Raymond Knopp's avatar
Raymond Knopp committed
676 677
    } else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
      cqirep->Npd = 160;
678
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-157;
Raymond Knopp's avatar
Raymond Knopp committed
679 680 681 682 683
    }
    else if (cqi_PMI_ConfigIndex > 317) {
      
      if (cqi_PMI_ConfigIndex <= 349) { // 32 ms CQI_PMI period
	cqirep->Npd = 32;
684
      cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-318;
Raymond Knopp's avatar
Raymond Knopp committed
685 686 687
      }
      else if (cqi_PMI_ConfigIndex <= 413) { // 64 ms CQI_PMI period
	cqirep->Npd = 64;
688
	cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-350;
Raymond Knopp's avatar
Raymond Knopp committed
689 690 691
      }
      else if (cqi_PMI_ConfigIndex <= 541) { // 128 ms CQI_PMI period
	cqirep->Npd = 128;
692
	cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-414;
Raymond Knopp's avatar
Raymond Knopp committed
693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721
      }  
    }
  }
  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;
   }
  }
}

722
uint16_t get_n1_pucch(PHY_VARS_UE *ue,
723
		      UE_rxtx_proc_t *proc,
724 725 726 727
                      uint8_t eNB_id,
                      uint8_t *b,
                      uint8_t SR)
{
728

729
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
730
  uint8_t nCCE0,nCCE1,harq_ack1,harq_ack0;
731
  ANFBmode_t bundling_flag;
732
  uint16_t n1_pucch0=0,n1_pucch1=0;
733 734 735 736
  int subframe_offset;
  int sf;
  int M;
  // clear this, important for case where n1_pucch selection is not used
737
  int subframe=proc->subframe_tx;
738

739
  ue->pucch_sel[subframe] = 0;
740 741 742

  if (frame_parms->frame_type == FDD ) { // FDD
    sf = (subframe<4)? subframe+6 : subframe-4;
743
    LOG_D(PHY,"n1_pucch_UE: subframe %d, nCCE %d\n",sf,ue->pdcch_vars[eNB_id]->nCCE[sf]);
744 745

    if (SR == 0)
746
      return(frame_parms->pucch_config_common.n1PUCCH_AN + ue->pdcch_vars[eNB_id]->nCCE[sf]);
747
    else
748
      return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
749
  } else {
750

751
    bundling_flag = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
752
#ifdef DEBUG_PHY_PROC
753 754

    if (bundling_flag==bundling) {
755
      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,
756
            ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
757
    } else {
758
      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,
759
            ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
760
    }
761

762
#endif
763

764 765 766 767 768
    switch (frame_parms->tdd_config) {
    case 1:  // DL:S:UL:UL:DL:DL:S:UL:UL:DL

      harq_ack0 = 2; // DTX
      M=1;
769

770 771
      // This is the offset for a particular subframe (2,3,4) => (0,2,4)
      if (subframe == 2) {  // ACK subframes 5 (forget 6)
772 773 774 775 776 777 778 779 780 781 782
        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",
783
              ue->Mod_id,proc->frame_tx,subframe,frame_parms->tdd_config);
784
        return(0);
785 786 787 788
      }


      // i=0
789
      nCCE0 = ue->pdcch_vars[eNB_id]->nCCE[subframe_offset];
790
      n1_pucch0 = get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
791 792

      // set ACK/NAK to values if not DTX
793 794
      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;
795

796 797

      if (harq_ack0!=2) {  // DTX
798 799 800
        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)
801
          ue->pucch_sel[subframe] = 0;
802 803 804
          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;
805
          return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
806
        }
807 808 809 810
      }


      break;
811

812 813 814 815 816 817 818 819 820
    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
821
      nCCE0 = ue->pdcch_vars[eNB_id]->nCCE[5+subframe_offset];
822
      n1_pucch0 = get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
823
      // i=1
824
      nCCE1 = ue->pdcch_vars[eNB_id]->nCCE[(6+subframe_offset)%10];
825
      n1_pucch1 = get_Np(frame_parms->N_RB_DL,nCCE1,1) + nCCE1 + frame_parms->pucch_config_common.n1PUCCH_AN;
826 827

      // set ACK/NAK to values if not DTX
828 829
      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;
830

831 832
      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;
833

834 835

      if (harq_ack1!=2) { // n-6 // subframe 6,8,0 and maybe 5,7,9 is to be ACK/NAKed
836 837 838 839 840 841 842 843 844

        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;

845
          ue->pucch_sel[subframe] = 1;
846 847 848 849 850 851 852 853 854 855
          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)) {
856
            ue->pucch_sel[subframe] = 0;
857 858
            return(n1_pucch0);
          } else {
859
            ue->pucch_sel[subframe] = 1;
860 861 862 863 864 865 866 867 868
            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;
869
          return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
870 871 872 873
        }
      } 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;
874
          ue->pucch_sel[subframe] = 0;
875 876 877 878
          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];
879
          ue->pucch_sel[subframe] = 0;
880 881 882 883
          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];
884
          return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
885
        }
886
      }
887

888 889
      break;

890
    }  // switch tdd_config
891
  }
892

893
  LOG_E(PHY,"[UE%d] : Frame %d phy_procedures_lte.c: get_n1pucch, exit without proper return\n",proc->frame_tx);
894 895 896 897 898 899
  return(-1);
}


#ifdef EMOS
/*
900
  void phy_procedures_emos_UE_TX(uint8_t next_slot,uint8_t eNB_id) {
901
  uint8_t harq_pid;
902

903 904

  if (next_slot%2==0) {
905 906 907 908 909 910 911
  // 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;
  }
912

913 914 915 916 917 918 919 920 921 922 923 924 925
  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;
  }
  }
926 927 928 929
  }
*/
#endif

930
void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc) {
931

932
  int aa;
933
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
934

935 936 937 938
  int nsymb;
  int subframe_tx = proc->subframe_tx;
  int frame_tx = proc->frame_tx;
  int ulsch_start;
kaltenbe's avatar
kaltenbe committed
939
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
940
  int overflow=0;
941
  int k,l;
942
  int dummy_tx_buffer[3840*4] __attribute__((aligned(16)));
943 944
#endif

945 946 947 948 949
  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-
950 951 952 953 954 955 956 957 958 959 960 961
         ue->hw_timing_advance-
         ue->timing_advance-
         ue->N_TA_offset+5);
  //LOG_E(PHY,"ul-signal [subframe: %d, ulsch_start %d]\n",subframe_tx, ulsch_start);

  if(ulsch_start < 0)
      ulsch_start = ulsch_start + (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti);

  if (ulsch_start > (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti))
      ulsch_start = ulsch_start % (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti);

  //LOG_E(PHY,"ul-signal [subframe: %d, ulsch_start %d]\n",subframe_tx, ulsch_start);
962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
#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;
    }
1030
#endif
1031
#endif
1032 1033 1034 1035 1036 1037 1038 1039 1040
    /*
    only for debug
    LOG_I(PHY,"ul-signal [subframe: %d, ulsch_start %d, TA: %d, rxOffset: %d, timing_advance: %d, hw_timing_advance: %d]\n",subframe_tx, ulsch_start, ue->N_TA_offset, ue->rx_offset, ue->timing_advance, ue->hw_timing_advance);
    if( (crash == 1) && (subframe_tx == 0) )
    {
      LOG_E(PHY,"***** DUMP TX Signal [ulsch_start %d] *****\n",ulsch_start);
      write_output("txBuff.m","txSignal",&ue->common_vars.txdata[aa][ulsch_start],frame_parms->samples_per_tti,1,1);
    }
    */
1041 1042 1043 1044
    
  } //nb_antennas_tx
  
  stop_meas(&ue->ofdm_mod_stats);
1045 1046 1047



1048
}
1049

1050
void ue_prach_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,runmode_t mode) {
1051

1052 1053 1054 1055
  int frame_tx = proc->frame_tx;
  int subframe_tx = proc->subframe_tx;
  int prach_power;
  PRACH_RESOURCES_t prach_resources_local;
1056

1057
  ue->generate_prach=0;
1058

1059 1060 1061 1062 1063
  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;
  }
1064

1065 1066 1067
  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) ) {
1068
      LOG_D(PHY,"Getting PRACH resources\n");
1069 1070 1071 1072 1073
      ue->prach_resources[eNB_id] = mac_xface->ue_get_rach(ue->Mod_id,
							   ue->CC_id,
							   frame_tx,
							   eNB_id,
							   subframe_tx);
1074
      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);
1075
      LOG_D(PHY,"Prach resources %p\n",ue->prach_resources[eNB_id]);
1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090
    }
  }
  
  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) {
Rohit Gupta's avatar
Rohit Gupta committed
1091 1092

      LOG_I(PHY,"mode %d\n",mode);
1093 1094
      
      if ((ue->mac_enabled==1) && (mode != calib_prach_tx)) {
1095
	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);
1096
      }
1097
      else {
1098
	ue->tx_power_dBm[subframe_tx] = ue->tx_power_max_dBm;
1099
	ue->prach_resources[eNB_id]->ra_PreambleIndex = 19;	      
Florian Kaltenberger's avatar
Florian Kaltenberger committed
1100
      }
1101
      
1102
      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",
Rohit Gupta's avatar
Rohit Gupta committed
1103 1104 1105 1106
	    ue->Mod_id,
	    frame_tx,
	    subframe_tx,
	    ue->prach_resources[eNB_id]->ra_PreambleIndex,
1107
		ue->tx_power_dBm[subframe_tx],
Rohit Gupta's avatar
Rohit Gupta committed
1108 1109 1110 1111
	    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);

1112
      ue->tx_total_RE[subframe_tx] = 96;
1113 1114
      
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
1115
      ue->prach_vars[eNB_id]->amp = get_tx_amp(ue->tx_power_dBm[subframe_tx],
1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126
					       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,
1127
	      ue->tx_power_dBm[subframe_tx],
1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
	      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),
1139
	    ue->tx_power_dBm[subframe_tx],
1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
	    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));
    
  }	  
  
1161

1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173
  // 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;
}
1174

1175
void ue_ulsch_uespec_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag) {
1176

1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
  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;
1189
  uint8_t ulsch_input_buffer[5477] __attribute__ ((aligned(32)));
1190
  uint8_t access_mode;
1191

1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236
  // 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
1237
    // ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 0;
1238 1239 1240 1241 1242 1243 1244
    LOG_D(PHY,"Generating PUSCH (Abssubframe: %d.%d): harq-Id: %d, round: %d, MaxReTrans: %d \n",frame_tx,subframe_tx,harq_pid,ue->ulsch[eNB_id]->harq_processes[harq_pid]->round,UE_mac_inst[eNB_id].scheduling_info.maxHARQ_Tx);
    if (ue->ulsch[eNB_id]->harq_processes[harq_pid]->round >= (UE_mac_inst[eNB_id].scheduling_info.maxHARQ_Tx - 1))
    {
        LOG_D(PHY,"PUSCH MAX Retransmission acheived ==> send last pusch (%d) \n");
        ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag = 0;
        ue->ulsch[eNB_id]->harq_processes[harq_pid]->round  = 0;
    }
1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256
    
    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;
    
    
    
    
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277

    if (ack_status > 0) {

      // check if we received a PDSCH at subframe_tx - 4
      // ==> send ACK/NACK on PUSCH
      if( (ue->dlsch[eNB_id][0]->harq_ack[proc->subframe_rx].send_harq_status) == 1)
      {
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK = 1;
      }
      else
      {
          ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK = 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);
    }

1278
#ifdef DEBUG_PHY_PROC
1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332
    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 (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;
	}
      }
      
1333
#ifdef PHY_ABSTRACTION
1334 1335 1336 1337
      else {
	ulsch_encoding_emul(ue->prach_resources[eNB_id]->Msg3,ue,eNB_id,harq_pid,0);
      }
      
1338
#endif
1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367
      
      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);
	}
	
1368 1369
#ifdef DEBUG_PHY_PROC
#ifdef DEBUG_ULSCH
1370 1371 1372 1373 1374 1375
	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");
1376 1377
#endif
#endif
1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400
      }
      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;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
1401
	}
1402 1403
      }
      
1404
#ifdef PHY_ABSTRACTION
1405 1406 1407 1408
      else {
	ulsch_encoding_emul(ulsch_input_buffer,ue,eNB_id,harq_pid,0);
      }
      
1409
#endif
1410 1411 1412 1413 1414 1415
      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);
1416
	ue->tx_power_dBm[subframe_tx] = ue->ulsch[eNB_id]->Po_PUSCH;
1417 1418
      }
      else {
1419
	ue->tx_power_dBm[subframe_tx] = ue->tx_power_max_dBm;
1420
      }
1421
      ue->tx_total_RE[subframe_tx] = nb_rb*12;
1422
      
kaltenbe's avatar
kaltenbe committed
1423
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
1424
      tx_amp = get_tx_amp(ue->tx_power_dBm[subframe_tx],
1425 1426 1427
			  ue->tx_power_max_dBm,
			  ue->frame_parms.N_RB_UL,
			  nb_rb);
1428
#else
1429 1430 1431
      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",
1432
	    Mod_id,harq_pid,frame_tx,subframe_tx,ue->tx_power_dBm[subframe_tx],ue->tx_power_max_dBm, tx_amp);
1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443
      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,
Raymond Knopp's avatar
 
Raymond Knopp committed
1444
			   tx_amp,
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458
			   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
}
1459

hbilel's avatar
hbilel committed
1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486
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)
fnabet's avatar
fnabet committed
1487 1488
    if (ue->mac_enabled==1)
    {
hbilel's avatar
hbilel committed
1489 1490 1491 1492
    tx_amp = get_tx_amp(Po_SRS,
                        ue->tx_power_max_dBm,
                        ue->frame_parms.N_RB_UL,
                        nb_rb_srs);
fnabet's avatar
fnabet committed
1493 1494 1495 1496 1497
    }
    else
    {
        tx_amp = AMP;
    }
hbilel's avatar
hbilel committed
1498 1499 1500
#else
      tx_amp = AMP;
#endif
fnabet's avatar
fnabet committed
1501
    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,
hbilel's avatar
hbilel committed
1502 1503 1504 1505 1506 1507 1508 1509
            Po_SRS,
            ue->frame_parms.N_RB_UL,
            nb_rb_srs,
            tx_amp);

    generate_srs_tx(ue, eNB_id, tx_amp, subframe_tx);
  }
}
1510

Raymond Knopp's avatar
Raymond Knopp committed
1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534
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);
}

1535
void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag) {
1536 1537


1538
  uint8_t pucch_ack_payload[2];
Raymond Knopp's avatar
Raymond Knopp committed
1539
  uint8_t n1_pucch,n2_pucch;
1540 1541
  ANFBmode_t bundling_flag;
  PUCCH_FMT_t format;
Raymond Knopp's avatar
Raymond Knopp committed
1542

1543
  uint8_t SR_payload;
Raymond Knopp's avatar
Raymond Knopp committed
1544 1545 1546
  uint16_t CQI_payload;
  uint16_t RI_payload;

1547 1548 1549 1550 1551 1552 1553
  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;
1554

hbilel's avatar
hbilel committed
1555
  SOUNDINGRS_UL_CONFIG_DEDICATED *pSoundingrs_ul_config_dedicated=&ue->soundingrs_ul_config_dedicated[eNB_id];
1556 1557 1558 1559 1560 1561

  // 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
  */
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572

  int harq_pid = subframe2harq_pid(&ue->frame_parms,
                                   frame_tx,
                                   subframe_tx);

  if(ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag)
  {
      LOG_D(PHY,"PUSCH is programmed on this subframe [pid %d] AbsSuframe %d.%d ==> Skip PUCCH transmission \n",harq_pid,frame_tx,subframe_tx);
      return;
  }

fnabet's avatar
fnabet committed
1573
  uint8_t isShortenPucch = (pSoundingrs_ul_config_dedicated->srsCellSubframe && frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission);
hbilel's avatar
hbilel committed
1574

1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628
  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) {
1629
      Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,format);
1630 1631 1632 1633
    } 
    else {
      Po_PUCCH = ue->tx_power_max_dBm;
    }
1634 1635
    ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
    ue->tx_total_RE[subframe_tx] = 12;
1636
	    
kaltenbe's avatar
kaltenbe committed
1637
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
1638 1639 1640 1641
    tx_amp = get_tx_amp(Po_PUCCH,
			ue->tx_power_max_dBm,
			ue->frame_parms.N_RB_UL,
			1);
Raymond Knopp's avatar
 
Raymond Knopp committed
1642
#else
1643
    tx_amp = AMP;
Raymond Knopp's avatar
 
Raymond Knopp committed
1644
#endif
1645 1646
	    
    if (SR_payload>0) {
fnabet's avatar
fnabet committed
1647
      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",
1648 1649
	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
fnabet's avatar
fnabet committed
1650
		frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
hbilel's avatar
hbilel committed
1651
	    isShortenPucch,
Raymond Knopp's avatar
 
Raymond Knopp committed
1652
	    frame_tx, subframe_tx,
1653 1654 1655 1656 1657
	    pucch_ack_payload[0],pucch_ack_payload[1],
	    ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex,
	    Po_PUCCH,
	    tx_amp);
    } else {
fnabet's avatar
fnabet committed
1658
      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",
1659 1660 1661
	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
	    frame_tx, subframe_tx,
fnabet's avatar
fnabet committed
1662
		frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
hbilel's avatar
hbilel committed
1663
	    isShortenPucch,
1664 1665 1666 1667 1668 1669 1670
	    n1_pucch,pucch_ack_payload[0],pucch_ack_payload[1],SR_payload,
	    Po_PUCCH,
	    tx_amp);
    }
	    
    if (abstraction_flag == 0) {
	      
Raymond Knopp's avatar
Raymond Knopp committed
1671 1672 1673 1674 1675 1676
      generate_pucch1x(ue->common_vars.txdataF,
		       &ue->frame_parms,
		       ue->ncs_cell,
		       format,
		       &ue->pucch_config_dedicated[eNB_id],
		       n1_pucch,
hbilel's avatar
hbilel committed
1677
		       isShortenPucch,  // shortened format
Raymond Knopp's avatar
Raymond Knopp committed
1678 1679 1680
		       pucch_ack_payload,
		       tx_amp,
		       subframe_tx);
1681 1682
	      
    } else {
1683
#ifdef PHY_ABSTRACTION
1684 1685 1686 1687 1688 1689
      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,
1690
			  SR_payload);
1691
#endif
1692 1693
    }
  } else if (SR_payload==1) { // no ACK/NAK but SR is triggered by MAC
Raymond Knopp's avatar
Raymond Knopp committed
1694

1695
    if (ue->mac_enabled == 1) {
1696
      Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,pucch_format1);
1697 1698 1699 1700
    }
    else {
      Po_PUCCH = ue->tx_power_max_dBm;
    }
1701 1702
    ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
    ue->tx_total_RE[subframe_tx] = 12;
1703
	    
kaltenbe's avatar
kaltenbe committed
1704
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
1705 1706 1707 1708
    tx_amp =  get_tx_amp(Po_PUCCH,
			 ue->tx_power_max_dBm,
			 ue->frame_parms.N_RB_UL,
			 1);
Raymond Knopp's avatar
 
Raymond Knopp committed
1709
#else
1710 1711
    tx_amp = AMP;
#endif
fnabet's avatar
fnabet committed
1712
    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",
1713 1714 1715
	  Mod_id,
	  ue->dlsch[eNB_id][0]->rnti,
	  frame_tx, subframe_tx,
fnabet's avatar
fnabet committed
1716
	  frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission,
hbilel's avatar
hbilel committed
1717
	  isShortenPucch,
1718 1719 1720 1721 1722
	  ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex,
	  Po_PUCCH);
	    
    if (abstraction_flag == 0) {
	      
Raymond Knopp's avatar
Raymond Knopp committed
1723 1724 1725 1726 1727 1728
      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,
hbilel's avatar
hbilel committed
1729
		       isShortenPucch,  // shortened format
Raymond Knopp's avatar
Raymond Knopp committed
1730 1731 1732
		       pucch_ack_payload,  // this is ignored anyway, we just need a pointer
		       tx_amp,
		       subframe_tx);
1733 1734 1735 1736 1737 1738 1739 1740
    } 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);
1741

1742 1743
    }
  } // SR_Payload==1
Raymond Knopp's avatar
Raymond Knopp committed
1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773

  // 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
1774
      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",
Raymond Knopp's avatar
Raymond Knopp committed
1775 1776 1777 1778
	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
	    frame_tx, subframe_tx,
	    n2_pucch,
1779 1780 1781
	    Po_PUCCH,
	    isShortenPucch,
	    tx_amp);
Raymond Knopp's avatar
Raymond Knopp committed
1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
      
      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);
1798 1799

      ue->generate_ul_signal[eNB_id] = 1;
Raymond Knopp's avatar
Raymond Knopp committed
1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821
    }
    // 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
1822
      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",
Raymond Knopp's avatar
Raymond Knopp committed
1823 1824 1825 1826
	    Mod_id,
	    ue->dlsch[eNB_id][0]->rnti,
	    frame_tx, subframe_tx,
	    n2_pucch,
1827 1828 1829
	    Po_PUCCH,
	    isShortenPucch,
	    tx_amp);
Raymond Knopp's avatar
Raymond Knopp committed
1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845

      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);
      
1846
      ue->generate_ul_signal[eNB_id] = 1;
Raymond Knopp's avatar
Raymond Knopp committed
1847 1848
    }
  }
1849
}
1850

1851 1852
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) {
  
1853

1854 1855 1856 1857 1858
  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;
1859 1860 1861 1862




1863
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX,VCD_FUNCTION_IN);
1864

1865
  ue->generate_ul_signal[eNB_id] = 0;
1866

1867
  start_meas(&ue->phy_proc_tx);
1868

1869 1870
#ifdef EMOS
  //phy_procedures_emos_UE_TX(next_slot);
1871 1872
#endif

1873
  ue->tx_power_dBm[subframe_tx]=-127;
1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
      
  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) {
fnabet's avatar
fnabet committed
1884 1885
    // check cell srs subframe and ue srs subframe. This has an impact on pusch encoding
    ue_compute_srs_occasion(ue,proc,eNB_id);
1886

1887
    ue_ulsch_uespec_procedures(ue,proc,eNB_id,abstraction_flag);
1888

1889 1890
  }
  	  
hbilel's avatar
hbilel committed
1891 1892 1893 1894 1895
  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);
1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944
  } // 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);
      }
	    
1945
#endif
1946 1947 1948 1949 1950 1951 1952 1953 1954
    } 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
1955

1956 1957 1958 1959
  	
  if (abstraction_flag == 0) {
	  
    if (ue->generate_ul_signal[eNB_id] == 1 )
1960
    {
1961
      ulsch_common_procedures(ue,proc);
1962
    }
1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973
    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);
1974
      }
1975
    }
1976

1977 1978 1979 1980 1981 1982 1983
  } // 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
1984

1985
    if (is_prach_subframe(&ue->frame_parms,frame_tx,subframe_tx)) {
1986

1987
      ue_prach_procedures(ue,proc,eNB_id,abstraction_flag,mode);
1988
    }
1989 1990 1991 1992 1993 1994
  } // mode is PRACH
  else {
    ue->generate_prach=0;
  }
    
      
1995
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX, VCD_FUNCTION_OUT);
1996
  stop_meas(&ue->phy_proc_tx);
1997 1998
}

1999
void phy_procedures_UE_S_TX(PHY_VARS_UE *ue,uint8_t eNB_id,uint8_t abstraction_flag,relaying_type_t r_type)
2000
{
2001
  int aa;//i,aa;
2002
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
2003
  
2004
  if (abstraction_flag==0) {
2005
    
2006
    for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
2007
#if defined(EXMIMO) //this is the EXPRESS MIMO case
2008 2009
      int i;
      // set the whole tx buffer to RX
2010
      for (i=0; i<LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti; i++)
2011 2012
	ue->common_vars.txdata[aa][i] = 0x00010001;
      
2013
#else //this is the normal case
2014
      memset(&ue->common_vars.txdata[aa][0],0,
2015
	     (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti)*sizeof(int32_t));
2016
#endif //else EXMIMO
2017
      
2018 2019 2020 2021
    }
  }
}

2022
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)
2023
{
2024
  
2025
  LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
Raymond Knopp's avatar
 
Raymond Knopp committed
2026

2027
  int subframe_rx = proc->subframe_rx;
2028

2029
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
2030 2031

  if (l==0) {
2032
    // UE measurements on symbol 0
2033
    if (abstraction_flag==0) {
2034
      LOG_D(PHY,"Calling measurements subframe %d, rxdata %p\n",subframe_rx,ue->common_vars.rxdata);
2035

2036
      lte_ue_measurements(ue,
2037 2038 2039
			  (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);
2040
    } else {
2041
      lte_ue_measurements(ue,
2042 2043 2044
			  0,
			  0,
			  1);
2045 2046 2047
    }
  }

2048
  if (l==(6-ue->frame_parms.Ncp)) {
2049
	
2050
    // make sure we have signal from PSS/SSS for N0 measurement
2051

2052
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_IN);
2053
    ue_rrc_measurements(ue,
2054 2055
			subframe_rx,
			abstraction_flag);
2056
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_OUT);
2057

Raymond Knopp's avatar
 
Raymond Knopp committed
2058
    if (abstraction_flag==1)
2059
      ue->sinr_eff =  sinr_eff_cqi_calc(ue, 0);
2060

2061
  }
2062

2063
  if ((subframe_rx==0) && (l==(4-frame_parms->Ncp))) {
2064

2065
    // AGC
Raymond Knopp's avatar
 
Raymond Knopp committed
2066

2067
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_IN);
Raymond Knopp's avatar
 
Raymond Knopp committed
2068

2069
#ifndef OAI_USRP
kaltenbe's avatar
kaltenbe committed
2070 2071
#ifndef OAI_BLADERF
#ifndef OAI_LMSSDR
2072
    phy_adjust_gain (ue,dB_fixed(ue->measurements.rssi),0);
kaltenbe's avatar
kaltenbe committed
2073 2074
#endif
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2075
#endif
2076

2077
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_OUT);
2078

2079
    eNB_id = 0;
2080
    
2081 2082 2083 2084 2085 2086 2087 2088
    if (abstraction_flag == 0) {
      if (ue->no_timing_correction==0)
	lte_adjust_synch(&ue->frame_parms,
			 ue,
			 eNB_id,
			 0,
			 16384);
    }      
2089

2090
  }
2091

2092
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_OUT);
2093 2094 2095
}

#ifdef EMOS
2096
void phy_procedures_emos_UE_RX(PHY_VARS_UE *ue,uint8_t last_slot,uint8_t eNB_id)
2097
{
2098

2099 2100 2101
  uint8_t i,j;
  //uint16_t last_slot_emos;
  uint32_t bytes;
2102
  int Mod_id = ue->Mod_id;
2103 2104

  /*
2105
    if (last_slot<2)
2106
    last_slot_emos = last_slot;
2107
    else if (last_slot>9)
2108
    last_slot_emos = last_slot - 8;
2109
    else {
2110 2111
    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");
2112
    }
2113 2114 2115
  */

#ifdef EMOS_CHANNEL
2116

2117
  if ((last_slot==10) || (last_slot==11)) {
2118 2119
    for (i=0; i<ue->frame_parms.nb_antennas_rx; i++)
      for (j=0; j<ue->frame_parms.nb_antennas_tx; j++) {
2120 2121 2122 2123 2124 2125 2126 2127
	// 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));
2128 2129
      }
  }
2130

2131
#endif
2132

2133 2134
  if (last_slot==0) {
    emos_dump_UE.timestamp = rt_get_time_ns();
2135
    emos_dump_UE.frame_rx = proc->frame_rx;
2136 2137 2138 2139 2140 2141
    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;
2142
    emos_dump_UE.eNb_id = eNB_id;
2143
    memcpy(&emos_dump_UE.PHY_measurements,&measurements,sizeof(PHY_MEASUREMENTS));
2144
  }
2145

2146
  if (last_slot==1) {
2147 2148 2149 2150
    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;
2151
  }
2152

2153
  if (last_slot==19) {
2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166
    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;
2167 2168 2169
    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));
2170

2171
    if (bytes!=sizeof(fifo_dump_emos_UE)) {
2172
      LOG_W(PHY,"[UE  %d] frame %d, slot %d, Problem writing EMOS data to FIFO\n",Mod_id,proc->frame_rx, last_slot);
2173
    } else {
2174 2175
      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);
2176 2177 2178
      }
    }
  }
2179

2180 2181 2182 2183
}
#endif


2184
void restart_phy(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t eNB_id,uint8_t abstraction_flag)
2185
{
2186

2187 2188
  //  uint8_t last_slot;
  uint8_t i;
2189
  LOG_I(PHY,"[UE  %d] frame %d, slot %d, restarting PHY!\n",ue->Mod_id,proc->frame_rx,proc->subframe_rx);
2190
  mac_xface->macphy_exit("restart_phy called");
2191
  //   first_run = 1;
2192

2193
  if (abstraction_flag ==0 ) {
2194
    ue->UE_mode[eNB_id] = NOT_SYNCHED;
2195
  } else {
2196 2197
    ue->UE_mode[eNB_id] = PRACH;
    ue->prach_resources[eNB_id]=NULL;
2198
  }
2199

2200 2201
  proc->frame_rx = -1;
  proc->frame_tx = -1;
2202 2203
  //  ue->synch_wait_cnt=0;
  //  ue->sched_cnt=-1;
2204

2205 2206
  ue->pbch_vars[eNB_id]->pdu_errors_conseq=0;
  ue->pbch_vars[eNB_id]->pdu_errors=0;
2207

2208 2209 2210 2211
  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;
2212

2213 2214 2215 2216 2217 2218 2219
  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;
2220
  ue->dlsch_p_received[eNB_id] = 0;
2221 2222
  ue->dlsch_SI_errors[eNB_id] = 0;
  ue->dlsch_ra_errors[eNB_id] = 0;
2223
  ue->dlsch_p_errors[eNB_id] = 0;
2224

2225
  ue->dlsch_mch_received[eNB_id] = 0;
2226 2227

  for (i=0; i < MAX_MBSFN_AREA ; i ++) {
2228 2229 2230 2231 2232 2233 2234
    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;
2235 2236
  }

2237 2238 2239 2240
  //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;
2241 2242 2243
}


2244
void ue_pbch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc, uint8_t abstraction_flag)
2245
{
2246 2247 2248

  //  int i;
  int pbch_tx_ant=0;
2249 2250 2251 2252
  uint8_t pbch_phase;
  uint16_t frame_tx;
  static uint8_t first_run = 1;
  uint8_t pbch_trials = 0;
2253

2254
  DevAssert(ue);
2255 2256 2257

  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
2258

2259
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_IN);
2260

Raymond Knopp's avatar
 
Raymond Knopp committed
2261
  pbch_phase=(frame_rx%4);
2262

2263 2264
  if (pbch_phase>=4)
    pbch_phase=0;
2265 2266 2267

  for (pbch_trials=0; pbch_trials<4; pbch_trials++) {
    //for (pbch_phase=0;pbch_phase<4;pbch_phase++) {
2268
    //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);
2269
    if (abstraction_flag == 0) {
2270
      pbch_tx_ant = rx_pbch(&ue->common_vars,
2271 2272 2273 2274 2275 2276
			    ue->pbch_vars[eNB_id],
			    &ue->frame_parms,
			    eNB_id,
			    ue->frame_parms.mode1_flag==1?SISO:ALAMOUTI,
			    ue->high_speed_flag,
			    pbch_phase);
2277 2278 2279 2280



    }
2281

2282 2283
#ifdef PHY_ABSTRACTION
    else {
2284
      pbch_tx_ant = rx_pbch_emul(ue,
2285 2286
				 eNB_id,
				 pbch_phase);
2287
    }
2288

2289 2290 2291 2292 2293
#endif

    if ((pbch_tx_ant>0) && (pbch_tx_ant<=4)) {
      break;
    }
2294

2295
    pbch_phase++;
2296

2297 2298 2299 2300 2301 2302 2303 2304
    if (pbch_phase>=4)
      pbch_phase=0;
  }



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

2305
    if (pbch_tx_ant>2) {
2306
      LOG_W(PHY,"[openair][SCHED][SYNCH] PBCH decoding: pbch_tx_ant>2 not supported\n");
2307
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
2308 2309 2310 2311
      return;
    }


2312 2313 2314
    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));
2315 2316
    frame_tx += pbch_phase;

2317 2318 2319
    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);
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2320 2321
    }
    
2322 2323
#ifdef EMOS
    //emos_dump_UE.frame_tx = frame_tx;
2324
    //emos_dump_UE.mimo_mode = ue->pbch_vars[eNB_id]->decoded_output[1];
2325 2326 2327 2328
#endif

    if (first_run) {
      first_run = 0;
2329 2330 2331 2332 2333 2334

      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",
2335 2336 2337 2338 2339
	    ue->Mod_id,
	    frame_rx,
	    subframe_rx,
	    pbch_tx_ant,
	    frame_tx,
2340 2341 2342
	    pbch_phase,
	    ue->rx_offset,
	    proc->frame_rx);
2343
      frame_rx = proc->frame_rx;
2344
      
2345
    } else if (((frame_tx & 0x03FF) != (proc->frame_rx & 0x03FF))) {
2346
      //(pbch_tx_ant != ue->frame_parms.nb_antennas_tx)) {
2347 2348 2349 2350 2351 2352 2353 2354 2355 2356
      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);
2357
      ue->proc.proc_rxtx[1].frame_rx = (proc->frame_rx & 0xFFFFFC00) | (frame_tx & 0x000003FF);
2358
      proc->frame_tx = proc->frame_rx;
2359
      ue->proc.proc_rxtx[1].frame_tx = proc->frame_rx;
2360 2361
      frame_rx = proc->frame_rx;

2362
    }
2363

2364
#ifdef DEBUG_PHY_PROC
2365 2366 2367 2368 2369 2370 2371 2372 2373 2374
    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);
2375
#endif
2376

2377
  } else { 
2378
    /*
2379
    LOG_E(PHY,"[UE %d] frame %d, subframe %d, Error decoding PBCH!\n",
2380
	  ue->Mod_id,frame_rx, subframe_rx);
2381

2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395
    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);
    */
2396

2397 2398 2399 2400
    ue->pbch_vars[eNB_id]->pdu_errors_conseq++;
    ue->pbch_vars[eNB_id]->pdu_errors++;
    if (ue->mac_enabled == 1) {
      mac_xface->out_of_sync_ind(ue->Mod_id,frame_rx,eNB_id);
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2401 2402
    }
    else{
2403
      if (ue->pbch_vars[eNB_id]->pdu_errors_conseq>=100) {
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2404 2405 2406
	LOG_E(PHY,"More that 100 consecutive PBCH errors! Exiting!\n");
	mac_xface->macphy_exit("More that 100 consecutive PBCH errors!");
      }
2407
    }
2408 2409
  }

Raymond Knopp's avatar
 
Raymond Knopp committed
2410
  if (frame_rx % 100 == 0) {
2411 2412
    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;
2413
  }
2414 2415

#ifdef DEBUG_PHY_PROC
2416
  LOG_D(PHY,"[UE %d] frame %d, slot %d, PBCH errors = %d, consecutive errors = %d!\n",
2417 2418 2419
	ue->Mod_id,frame_rx, subframe_rx,
	ue->pbch_vars[eNB_id]->pdu_errors,
	ue->pbch_vars[eNB_id]->pdu_errors_conseq);
2420
#endif
2421
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
2422 2423
}

2424
int ue_pdcch_procedures(uint8_t eNB_id,PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t abstraction_flag)
2425
{
2426 2427

  unsigned int dci_cnt=0, i;
2428

2429 2430
  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
2431
  DCI_ALLOC_t dci_alloc_rx[8];
Raymond Knopp's avatar
 
Raymond Knopp committed
2432

2433

2434 2435 2436 2437 2438 2439
#ifdef PHY_ABSTRACTION
  int CC_id;
  int UE_id;
  uint8_t harq_pid;
#endif

2440
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_IN);
2441
  start_meas(&ue->dlsch_rx_pdcch_stats);
2442

2443 2444
  //  if (subframe_rx != 5)
  //    return 0;
2445 2446
  if (abstraction_flag == 0)  {

2447
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PDCCH, VCD_FUNCTION_IN);
2448
    rx_pdcch(&ue->common_vars,
2449 2450 2451 2452 2453 2454 2455
	     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);
2456 2457


2458 2459
    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);
2460
    dci_cnt = dci_decoding_procedure(ue,
2461 2462 2463 2464
				     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);
2465
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DCI_DECODING, VCD_FUNCTION_OUT);
2466
    //LOG_D(PHY,"[UE  %d][PUSCH] Frame %d subframe %d PHICH RX\n",ue->Mod_id,frame_rx,subframe_rx);
Raymond Knopp's avatar
 
Raymond Knopp committed
2467

2468
    if (is_phich_subframe(&ue->frame_parms,subframe_rx)) {
2469
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PHICH, VCD_FUNCTION_IN);
2470 2471
      rx_phich(ue,proc,
	       subframe_rx,eNB_id);
2472
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_PHICH, VCD_FUNCTION_OUT);
2473 2474
    }
  }
2475

2476 2477
#ifdef PHY_ABSTRACTION
  else {
2478 2479
    for (i=0; i<NB_eNB_INST; i++) {
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++)
2480 2481
	if (PHY_vars_eNB_g[i][CC_id]->frame_parms.Nid_cell == ue->frame_parms.Nid_cell)
	  break;
2482

2483
      if (CC_id < MAX_NUM_CCs)
2484
	break;
2485
    }
2486

2487
    if (i==NB_eNB_INST) {
2488
      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);
2489
      mac_xface->macphy_exit("Could not find attached eNB for DCI emulation");
2490
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_OUT);
2491 2492
      return(-1);
    }
2493

2494
    LOG_D(PHY,"Calling dci_decoding_proc_emul ...\n");
2495
    dci_cnt = dci_decoding_procedure_emul(ue->pdcch_vars,
2496 2497 2498 2499 2500
					  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);
2501
    //    printf("DCI: dci_cnt %d\n",dci_cnt);
2502
    UE_id = (uint32_t)find_ue((int16_t)ue->pdcch_vars[eNB_id]->crnti,PHY_vars_eNB_g[i][CC_id]);
2503

2504
    if (UE_id>=0) {
2505
      //      printf("Checking PHICH for UE  %d (eNB %d)\n",UE_id,i);
2506
      if (is_phich_subframe(&ue->frame_parms,subframe_rx)) {
2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517
	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
2518 2519 2520
      } // This is a PHICH subframe
    } // UE_id exists
  }
2521

2522 2523
#endif

2524

2525
  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);
2526 2527

 
2528

2529
  ue->pdcch_vars[eNB_id]->dci_received += dci_cnt;
2530

2531
#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
2532
  //emos_dump_UE.dci_cnt[subframe_rx] = dci_cnt;
2533 2534
#endif

2535 2536 2537
  for (i=0; i<dci_cnt; i++) {


2538

2539 2540
    if ((ue->UE_mode[eNB_id]>PRACH) &&
	(dci_alloc_rx[i].rnti == ue->pdcch_vars[eNB_id]->crnti) &&
2541 2542
	(dci_alloc_rx[i].format != format0)) {
      
2543

Raymond Knopp's avatar
 
Raymond Knopp committed
2544
      LOG_D(PHY,"[UE  %d][DCI][PDSCH %x] frame %d, subframe %d: format %d, num_pdcch_symbols %d, nCCE %d, total CCEs %d\n",
2545 2546 2547 2548 2549 2550
	    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)));
2551 2552 2553 2554




2555
      
2556 2557
      //      dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
      if ((ue->UE_mode[eNB_id] > PRACH) &&
2558 2559
	  (generate_ue_dlsch_params_from_dci(frame_rx,
					     subframe_rx,
2560
					     (void *)&dci_alloc_rx[i].dci_pdu,
2561
					     ue->pdcch_vars[eNB_id]->crnti,
2562
					     dci_alloc_rx[i].format,
2563 2564 2565
					     ue->dlsch[eNB_id],
					     &ue->frame_parms,
					     ue->pdsch_config_dedicated,
2566 2567 2568
					     SI_RNTI,
					     0,
					     P_RNTI)==0)) {
2569

2570
	ue->dlsch_received[eNB_id]++;
2571
	
2572
#ifdef DEBUG_PHY_PROC
2573 2574 2575
	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);
2576
#endif
2577
	
2578 2579
	// we received a CRNTI, so we're in PUSCH
	if (ue->UE_mode[eNB_id] != PUSCH) {
2580
#ifdef DEBUG_PHY_PROC
2581
	  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);
2582
#endif
2583 2584 2585 2586
	  //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
	  ue->UE_mode[eNB_id] = PUSCH;
	  //mac_xface->macphy_exit("Connected. Exiting\n");
	}
2587
      } else {
2588 2589
	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]);
2590 2591 2592
      }
    }

2593
    else if ((dci_alloc_rx[i].rnti == SI_RNTI) &&
2594
	     ((dci_alloc_rx[i].format == format1A) || (dci_alloc_rx[i].format == format1C))) {
2595

2596
#ifdef DEBUG_PHY_PROC
2597
      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);
2598 2599
#endif

2600

2601 2602
      if (generate_ue_dlsch_params_from_dci(frame_rx,
					    subframe_rx,
2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613
					    (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]++;
2614 2615
 

2616
	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");
2617
	//dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2618 2619 2620

      }
    }
2621

2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632
    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,
2633
						P_RNTI,
2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650
					    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]);

      }
    }

2651
    else if ((ue->prach_resources[eNB_id]) &&
2652 2653
	     (dci_alloc_rx[i].rnti == ue->prach_resources[eNB_id]->ra_RNTI) &&
	     (dci_alloc_rx[i].format == format1A)) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2654

2655
#ifdef DEBUG_PHY_PROC
2656
      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);
2657 2658

      //if (((frame_rx%100) == 0) || (frame_rx < 20))
2659
      //dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2660 2661 2662 2663
      //mac_xface->macphy_exit("so far so good...\n");
#endif


2664 2665
      if (generate_ue_dlsch_params_from_dci(frame_rx,
					    subframe_rx,
2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676
					    (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]++;
2677

2678
#ifdef DEBUG_PHY_PROC
2679 2680
	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]);
2681
#endif
2682
      }
2683
    } else if( (dci_alloc_rx[i].rnti == ue->pdcch_vars[eNB_id]->crnti) &&
2684
	       (dci_alloc_rx[i].format == format0)) {
2685
#ifdef DEBUG_PHY_PROC
2686
      LOG_D(PHY,"[UE  %d][PUSCH] Frame %d subframe %d: Found rnti %x, format 0, dci_cnt %d\n",
2687
	    ue->Mod_id,frame_rx,subframe_rx,dci_alloc_rx[i].rnti,i);
2688 2689
#endif

2690 2691
      ue->ulsch_no_allocation_counter[eNB_id] = 0;
      //dump_dci(&ue->frame_parms,&dci_alloc_rx[i]);
2692

2693
      if ((ue->UE_mode[eNB_id] > PRACH) &&
2694
	  (generate_ue_ulsch_params_from_dci((void *)&dci_alloc_rx[i].dci_pdu,
2695
					     ue->pdcch_vars[eNB_id]->crnti,
2696 2697
					     subframe_rx,
					     format0,
2698
					     ue,
2699
					     proc,
2700 2701 2702 2703 2704 2705
					     SI_RNTI,
					     0,
					     P_RNTI,
					     CBA_RNTI,
					     eNB_id,
					     0)==0)) {
2706

2707
#ifdef DEBUG_PHY_PROC
2708
	LOG_D(PHY,"[UE  %d] Generate UE ULSCH C_RNTI format 0 (subframe %d)\n",ue->Mod_id,subframe_rx);
2709 2710
#endif

2711
      }
2712
    } else if( (dci_alloc_rx[i].rnti == ue->ulsch[eNB_id]->cba_rnti[0]) &&
2713
	       (dci_alloc_rx[i].format == format0)) {
2714
      // UE could belong to more than one CBA group
2715
      // ue->Mod_id%ue->ulsch[eNB_id]->num_active_cba_groups]
2716
#ifdef DEBUG_PHY_PROC
2717
      LOG_D(PHY,"[UE  %d][PUSCH] Frame %d subframe %d: Found cba rnti %x, format 0, dci_cnt %d\n",
2718
	    ue->Mod_id,frame_rx,subframe_rx,dci_alloc_rx[i].rnti,i);
2719
      /*
2720 2721
	if (((frame_rx%100) == 0) || (frame_rx < 20))
	dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2722 2723 2724
      */
#endif

2725 2726
      ue->ulsch_no_allocation_counter[eNB_id] = 0;
      //dump_dci(&ue->frame_parms,&dci_alloc_rx[i]);
2727

2728
      if ((ue->UE_mode[eNB_id] > PRACH) &&
2729
	  (generate_ue_ulsch_params_from_dci((void *)&dci_alloc_rx[i].dci_pdu,
2730
					     ue->ulsch[eNB_id]->cba_rnti[0],
2731 2732
					     subframe_rx,
					     format0,
2733
					     ue,
2734
					     proc,
2735 2736 2737 2738 2739 2740
					     SI_RNTI,
					     0,
					     P_RNTI,
					     CBA_RNTI,
					     eNB_id,
					     0)==0)) {
2741

2742
#ifdef DEBUG_PHY_PROC
2743
	LOG_D(PHY,"[UE  %d] Generate UE ULSCH CBA_RNTI format 0 (subframe %d)\n",ue->Mod_id,subframe_rx);
2744
#endif
2745
	ue->ulsch[eNB_id]->num_cba_dci[(subframe_rx+4)%10]++;
2746
      }
2747 2748
    }

2749 2750
    else {
#ifdef DEBUG_PHY_PROC
2751
      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,
2752 2753 2754
	    ue->pdcch_vars[eNB_id]->crnti,
	    ue->ulsch[eNB_id]->cba_rnti[0],
	    dci_alloc_rx[i].format);
2755
      //      dump_dci(&ue->frame_parms, &dci_alloc_rx[i]);
2756 2757
#endif
    }
2758

2759
  }
2760

2761
  stop_meas(&ue->dlsch_rx_pdcch_stats);
2762
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PDCCH_PROCEDURES, VCD_FUNCTION_OUT);
2763 2764 2765
  return(0);
}

2766

2767
void ue_pmch_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc,int eNB_id,int abstraction_flag) {
2768

2769
  int subframe_rx = proc->subframe_rx;
2770
  int frame_rx = proc->frame_rx;
2771
  int pmch_mcs=-1;
2772
  int CC_id = ue->CC_id;
2773 2774 2775 2776
  uint8_t sync_area=255;
  uint8_t mcch_active;
  int l;
  int ret=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2777

2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793
  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;
2794
#endif
2795 2796 2797 2798
    
    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);
2799
      
2800 2801 2802 2803 2804 2805 2806 2807
      if (abstraction_flag == 0 ) {
	for (l=2; l<12; l++) {
	  
	  slot_fep_mbsfn(ue,
			 l,
			 subframe_rx,
			 0,0);//ue->rx_offset,0);
	}
2808

2809 2810 2811 2812 2813 2814
	for (l=2; l<12; l++) {
	  rx_pmch(ue,
		  0,
		  subframe_rx,
		  l);
	}
2815 2816


2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837
	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
2838
#ifdef PHY_ABSTRACTION
2839 2840 2841 2842
	ret = dlsch_decoding_emul(ue,
				  subframe_rx,
				  5, // PMCH
				  eNB_id);
2843
#endif
2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864
      }
      
      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);
2865
#ifdef DEBUG_DLSCH
2866 2867 2868
	
	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]);
2869
	}
2870 2871
	
	LOG_T(PHY,"\n");
2872
#endif
2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894
	
	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;
2895
	  }
2896 2897 2898 2899 2900 2901 2902 2903
	  
	  
	}
#endif // Rel10
      } // decoding sucessful
    } // pmch_mcs>=0
  } // is_pmch_subframe=true
}
2904

2905
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) {
2906

2907 2908 2909 2910 2911
  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;
2912

2913 2914
  if (dlsch0->active == 0)
    return;
2915

2916
  for (m=s0;m<=s1;m++) {
2917

2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932
    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;
2933
      }
2934 2935 2936
      
      if ((m==s0) && (m<4))
	first_symbol_flag = 1;
2937
      else
2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953
	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
2954
  }
2955
} 
2956

2957
void process_rar(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, int eNB_id, runmode_t mode, int abstraction_flag) {
2958

2959 2960 2961 2962 2963 2964
  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;
2965

2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027
  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);
3028
      }
3029 3030 3031 3032 3033 3034 3035 3036 3037
    } // 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);
  }
  
}
3038

3039 3040 3041 3042 3043 3044 3045 3046 3047
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) {
3048

3049 3050 3051 3052 3053 3054
  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;
3055

3056 3057 3058 3059 3060 3061 3062 3063
  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;
3064 3065 3066
    case P_PDSCH:
      pdsch_vars = ue->pdsch_vars_p[eNB_id];
      break;
3067 3068 3069 3070 3071 3072 3073 3074 3075
    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;
3076 3077 3078 3079 3080
    default:
      pdsch_vars = NULL;
      return;
      break;

3081 3082 3083
    }
  
    harq_pid = dlsch0->current_harq_pid;
3084

3085 3086
    if (frame_rx < *dlsch_errors)
      *dlsch_errors=0;
3087

3088 3089 3090 3091 3092 3093 3094
    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;
3095 3096 3097
      }
    }

3098
    if (abstraction_flag == 0) {
3099

3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125
      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,
3126
			   dlsch0->harq_processes[harq_pid]->TBS>256?1:0);
3127 3128 3129 3130 3131
      stop_meas(&ue->dlsch_decoding_stats);
    }
	
    else {
      LOG_D(PHY,"Calling dlsch_decoding_emul ...\n");
3132
#ifdef PHY_ABSTRACTION
3133 3134
      ret = dlsch_decoding_emul(ue,
				subframe_rx,
3135
				pdsch,
3136
				eNB_id);
3137
#endif
3138 3139 3140 3141 3142
    }
	
    if (ret == (1+dlsch0->max_turbo_iterations)) {
      *dlsch_errors=*dlsch_errors+1;
      
3143 3144
      if(dlsch0->rnti != 0xffff)
      {
3145 3146 3147 3148 3149 3150
      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);
3151
      }
3152
      
3153

3154
    } else {
3155 3156
        if(dlsch0->rnti != 0xffff)
        {
3157 3158 3159 3160 3161 3162
      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);
3163
        }
3164

3165 3166 3167 3168 3169 3170 3171 3172
#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");
3173
#endif
3174

3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193
      
      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;
3194 3195 3196 3197 3198 3199 3200 3201
	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;
3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213
	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;
	}
3214
      }
3215 3216 3217 3218 3219 3220 3221 3222
      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;
    }
  
  
      
3223
#ifdef DEBUG_PHY_PROC
3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240
    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]);
    }
3241
    
3242 3243
#endif

3244
  }
3245

3246

3247 3248 3249
}
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) {
knopp's avatar
 
knopp committed
3250
 
3251 3252 3253 3254 3255
  int l,l2;
  int pilot1;
  int pmch_flag=0;
  int frame_rx = proc->frame_rx;
  int subframe_rx = proc->subframe_rx;
3256

3257 3258


3259
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_IN);
3260

3261

3262
  start_meas(&ue->phy_proc_rx);
3263

3264
  pmch_flag = is_pmch_subframe(frame_rx,subframe_rx,&ue->frame_parms) ? 1 : 0;
3265 3266


3267 3268 3269 3270 3271
  // 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;
3272

3273 3274
  if (ue->dlsch_SI[eNB_id])
    ue->dlsch_SI[eNB_id]->active = 0;
3275 3276
  if (ue->dlsch_p[eNB_id])
    ue->dlsch_p[eNB_id]->active = 0;
3277 3278
  if (ue->dlsch_ra[eNB_id])
    ue->dlsch_ra[eNB_id]->active = 0;
3279

3280
  
3281
#ifdef DEBUG_PHY_PROC
3282 3283 3284
  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);
3285 3286
#endif

3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317
  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);
3318
    }
3319
    
3320 3321 3322 3323 3324 3325 3326 3327 3328
    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);
      }
3329
      LOG_D(PHY,"num_pdcch_symbols %d\n",ue->pdcch_vars[eNB_id]->num_pdcch_symbols);
3330
    }
3331 3332
    
  } // for l=1..l2
3333
  ue_measurement_procedures(l-1,ue,proc,eNB_id,abstraction_flag,mode);  
3334 3335 3336 3337 3338 3339
  
    // If this is PMCH, call procedures and return
  if (pmch_flag == 1) {
    ue_pmch_procedures(ue,proc,eNB_id,abstraction_flag);
    return 0;
  }
3340

3341 3342 3343 3344 3345 3346
  slot_fep(ue,
	   0,
	   1+(subframe_rx<<1),
	   ue->rx_offset,
	   0,
	   0);
3347

3348 3349 3350 3351
  // first slot has been processed (FFTs + Channel Estimation, PCFICH/PHICH/PDCCH)
 
  // do procedures for C-RNTI
  if (ue->dlsch[eNB_id][0]->active == 1) {
3352
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
3353 3354 3355 3356 3357 3358 3359 3360 3361
    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);
3362
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
3363 3364 3365
  }
  // do procedures for SI-RNTI
  if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
3366
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_IN);
3367 3368 3369 3370 3371 3372 3373 3374 3375
    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);
3376
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_OUT);
3377
  }
3378 3379 3380

  // do procedures for SI-RNTI
  if ((ue->dlsch_p[eNB_id]) && (ue->dlsch_p[eNB_id]->active == 1)) {
3381
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_IN);
3382 3383 3384 3385 3386 3387 3388 3389 3390
    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);
3391
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_P, VCD_FUNCTION_OUT);
3392 3393
  }

3394 3395
  // do procedures for RA-RNTI
  if ((ue->dlsch_ra[eNB_id]) && (ue->dlsch_ra[eNB_id]->active == 1)) {
3396
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_IN);
3397 3398 3399 3400 3401 3402 3403 3404 3405
    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);
3406
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_OUT);
3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434
  }    
  
  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
3435

3436 3437 3438 3439 3440 3441
  // 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) {
3442
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460
    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);
3461
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
3462

3463 3464 3465 3466 3467
  }
  else {
    //  printf("PDSCH inactive in subframe %d\n",subframe_rx-1);
    ue->dlsch[eNB_id][0]->harq_ack[subframe_rx].send_harq_status = 0;
  }
3468

3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479
  // 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);
3480

3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491
    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;
  }
3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515

  // 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;
  }
3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537
  // 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;
  }
3538

3539
  if (subframe_rx==9) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3540
    if (frame_rx % 10 == 0) {
3541
      if ((ue->dlsch_received[eNB_id] - ue->dlsch_received_last[eNB_id]) != 0)
3542
	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]);
3543

3544 3545
      ue->dlsch_errors_last[eNB_id] = ue->dlsch_errors[eNB_id];
      ue->dlsch_received_last[eNB_id] = ue->dlsch_received[eNB_id];
3546
    }
3547 3548


3549 3550
    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];
3551
    LOG_D(PHY,"[UE %d] Calculating bitrate Frame %d: total_TBS = %d, total_TBS_last = %d, bitrate %f kbits\n",
3552 3553
	  ue->Mod_id,frame_rx,ue->total_TBS[eNB_id],
	  ue->total_TBS_last[eNB_id],(float) ue->bitrate[eNB_id]/1000.0);
3554
  }
3555 3556


jiangx's avatar
jiangx committed
3557 3558

#ifdef EMOS
3559
  phy_procedures_emos_UE_RX(ue,slot,eNB_id);
jiangx's avatar
jiangx committed
3560 3561
#endif

3562
     
3563
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
3564
  stop_meas(&ue->phy_proc_rx);
3565
  return (0);
3566
}
3567
   
3568
#ifdef Rel10
3569 3570
int phy_procedures_RN_UE_RX(uint8_t slot_rx, uint8_t next_slot, relaying_type_t r_type)
{
3571
   
3572
  int do_proc =0; // do nothing by default
3573
   
3574
  switch(r_type) {
3575
  case no_relay:
3576
    do_proc=no_relay; // perform the normal UE operation
3577
    break;
3578
     
3579
  case multicast_relay:
Raymond Knopp's avatar
 
Raymond Knopp committed
3580
    if (slot_rx > 12)
3581 3582
      do_proc = 0; // do nothing
    else // SF#1, SF#2, SF3, SF#3, SF#4, SF#5, SF#6(do rx slot 12)
3583
      do_proc = multicast_relay ; // do PHY procedures UE RX
3584
     
3585
    break;
3586
     
3587 3588 3589 3590 3591
  default: // should'not be here
    LOG_W(PHY,"Not supported relay type %d, do nothing \n", r_type);
    do_proc= 0;
    break;
  }
3592
   
3593 3594
  return do_proc;
}
3595
#endif
3596 3597 3598 3599
 
 
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)
3600
{
3601
#if defined(ENABLE_ITTI)
3602 3603 3604 3605 3606
  MessageDef   *msg_p;
  const char   *msg_name;
  instance_t    instance;
  unsigned int  Mod_id;
  int           result;
3607
#endif
3608 3609 3610 3611 3612
   
  int           frame_rx = proc->frame_rx;
  int           frame_tx = proc->frame_tx;
  int           subframe_rx = proc->subframe_rx;
  int           subframe_tx = proc->subframe_tx;
3613
#undef DEBUG_PHY_PROC
3614
   
3615
  UE_L2_STATE_t ret;
3616
  int slot;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
3617

3618 3619
  if (ue->mac_enabled == 0) {
    ue->UE_mode[eNB_id]=PUSCH;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
3620
  }
3621 3622
   
   
3623
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_LTE,1);
3624
  start_meas(&ue->phy_proc);
3625
#if defined(ENABLE_ITTI)
3626

3627 3628
  do {
    // Checks if a message has been sent to PHY sub-task
3629
    itti_poll_msg (TASK_PHY_UE, &msg_p);
3630
     
3631 3632 3633 3634
    if (msg_p != NULL) {
      msg_name = ITTI_MSG_NAME (msg_p);
      instance = ITTI_MSG_INSTANCE (msg_p);
      Mod_id = instance - NB_eNB_INST;
3635
       
3636
      switch (ITTI_MSG_ID(msg_p)) {
3637
      case PHY_FIND_CELL_REQ:
3638 3639 3640 3641 3642
	LOG_I(PHY, "[UE %d] Received %s\n", Mod_id, msg_name);
	 
	/* TODO process the message */
	break;
	 
3643
      default:
3644 3645
	LOG_E(PHY, "[UE %d] Received unexpected message %s\n", Mod_id, msg_name);
	break;
3646
      }
3647
       
3648 3649
      result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
      AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
3650 3651
    }
  } while(msg_p != NULL);
3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663
   
#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)) {
3664
#ifdef Rel10
3665 3666
       
      if (phy_procedures_RN_UE_RX(subframe_rx, subframe_tx, r_type) != 0 )
3667
#endif
3668 3669 3670 3671 3672 3673 3674 3675 3676 3677
	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)) {
3678
#ifdef Rel10
3679 3680
	 
      if (phy_procedures_RN_UE_RX(subframe_rx, subframe_tx, r_type) != 0 )
3681
#endif
3682
	phy_procedures_UE_RX(ue,proc,eNB_id,abstraction_flag,mode,r_type,phy_vars_rn);
3683
    }
3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715
       
    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
3716
}
3717 3718