dlsim.c 191 KB
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/*******************************************************************************
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    OpenAirInterface
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    Copyright(c) 1999 - 2014 Eurecom
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    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
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    OpenAirInterface is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with OpenAirInterface.The full GNU General Public License is
   included in this distribution in the file called "COPYING". If not,
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   see <http://www.gnu.org/licenses/>.
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  Contact Information
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  OpenAirInterface Admin: openair_admin@eurecom.fr
  OpenAirInterface Tech : openair_tech@eurecom.fr
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  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
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  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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 *******************************************************************************/
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/*! \file dlsim.c
 \brief Top-level DL simulator
 \author R. Knopp
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 \date 2011 - 2014
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 \version 0.1
 \company Eurecom
 \email: knopp@eurecom.fr
 \note
 \warning
*/

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#include <string.h>
#include <math.h>
#include <unistd.h>
#include <execinfo.h>
#include <signal.h>

#include "SIMULATION/TOOLS/defs.h"
#include "PHY/types.h"
#include "PHY/defs.h"
#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"

#include "SCHED/defs.h"
#include "SCHED/vars.h"
#include "LAYER2/MAC/vars.h"

#include "OCG_vars.h"
#include "UTIL/LOG/log.h"
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#include "UTIL/LISTS/list.h"
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extern unsigned int dlsch_tbs25[27][25],TBStable[27][110];
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extern unsigned char offset_mumimo_llr_drange_fix;
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#include "PHY/TOOLS/lte_phy_scope.h"

PHY_VARS_eNB *PHY_vars_eNB;
PHY_VARS_UE *PHY_vars_UE;

int otg_enabled=0;
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/*the following parameters are used to control the processing times calculations*/
double t_tx_max = -1000000000; /*!< \brief initial max process time for tx */
double t_rx_max = -1000000000; /*!< \brief initial max process time for rx */
double t_tx_min = 1000000000; /*!< \brief initial min process time for tx */
double t_rx_min = 1000000000; /*!< \brief initial min process time for rx */
int n_tx_dropped = 0; /*!< \brief initial max process time for tx */
int n_rx_dropped = 0; /*!< \brief initial max process time for rx */
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void handler(int sig)
{
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  void *array[10];
  size_t size;

  // get void*'s for all entries on the stack
  size = backtrace(array, 10);

  // print out all the frames to stderr
  fprintf(stderr, "Error: signal %d:\n", sig);
  backtrace_symbols_fd(array, size, 2);
  exit(1);
}



//DCI2_5MHz_2A_M10PRB_TDD_t DLSCH_alloc_pdu2_2A[2];

DCI1E_5MHz_2A_M10PRB_TDD_t  DLSCH_alloc_pdu2_1E[2];
uint64_t DLSCH_alloc_pdu_1[2];

#define UL_RB_ALLOC 0x1ff;
#define CCCH_RB_ALLOC computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,0,2)
//#define DLSCH_RB_ALLOC 0x1fbf // igore DC component,RB13
//#define DLSCH_RB_ALLOC 0x0001
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void do_OFDM_mod_l(mod_sym_t **txdataF, int32_t **txdata, uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms)
{
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  int aa, slot_offset, slot_offset_F;

  slot_offset_F = (next_slot)*(frame_parms->ofdm_symbol_size)*((frame_parms->Ncp==1) ? 6 : 7);
  slot_offset = (next_slot)*(frame_parms->samples_per_tti>>1);

  for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
    //    printf("Thread %d starting ... aa %d (%llu)\n",omp_get_thread_num(),aa,rdtsc());

    if (frame_parms->Ncp == 1)
      PHY_ofdm_mod(&txdataF[aa][slot_offset_F],        // input
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                   &txdata[aa][slot_offset],         // output
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                   frame_parms->ofdm_symbol_size,
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                   6,                 // number of symbols
                   frame_parms->nb_prefix_samples,               // number of prefix samples
                   CYCLIC_PREFIX);
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    else {
      normal_prefix_mod(&txdataF[aa][slot_offset_F],
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                        &txdata[aa][slot_offset],
                        7,
                        frame_parms);
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    }
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  }

}

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int main(int argc, char **argv)
{
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  int c;
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  int k,i,aa,aarx,aatx;

  int s,Kr,Kr_bytes;

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  double sigma2, sigma2_dB=10,SNR,snr0=-2.0,snr1,rate;
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  double snr_step=1,input_snr_step=1, snr_int=30;

  LTE_DL_FRAME_PARMS *frame_parms;
  double **s_re,**s_im,**r_re,**r_im;
  double forgetting_factor=0.0; //in [0,1] 0 means a new channel every time, 1 means keep the same channel
  double iqim=0.0;

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  uint8_t extended_prefix_flag=0,transmission_mode=1,n_tx=1,n_rx=2;
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  uint16_t Nid_cell=0;
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  int eNB_id = 0, eNB_id_i = 1;
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  unsigned char mcs1=0,mcs2=0,mcs_i=0,dual_stream_UE = 0,awgn_flag=0,round,dci_flag=0;
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  unsigned char i_mod = 2;
  unsigned short NB_RB;
  unsigned char Ns,l,m;
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  uint16_t tdd_config=3;
  uint16_t n_rnti=0x1234;
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  int n_users = 1;

  SCM_t channel_model=Rayleigh1;
  //  unsigned char *input_data,*decoded_output;

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  unsigned char *input_buffer0[2],*input_buffer1[2];
  unsigned short input_buffer_length0,input_buffer_length1;
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  unsigned int ret;
  unsigned int coded_bits_per_codeword=0,nsymb,dci_cnt,tbs=0;
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  unsigned int tx_lev=0,tx_lev_dB=0,trials,errs[4]= {0,0,0,0},errs2[4]= {0,0,0,0},round_trials[4]= {0,0,0,0},dci_errors=0,dlsch_active=0;//,num_layers;
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  int re_allocated;
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  char fname[32],vname[32];
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  FILE *bler_fd;
  char bler_fname[256];
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  FILE *time_meas_fd;
  char time_meas_fname[256];
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  //  FILE *tikz_fd;
  //  char tikz_fname[256];
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  FILE *input_trch_fd=NULL;
  unsigned char input_trch_file=0;
  FILE *input_fd=NULL;
  unsigned char input_file=0;
  //  char input_val_str[50],input_val_str2[50];

  char input_trch_val[16];
  double channelx,channely;

  //  unsigned char pbch_pdu[6];

  DCI_ALLOC_t dci_alloc[8],dci_alloc_rx[8];
  int num_common_dci=0,num_ue_spec_dci=0,num_dci=0;

  //  FILE *rx_frame_file;

  int n_frames;
  int n_ch_rlz = 1;
  channel_desc_t *eNB2UE[4];
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  uint8_t num_pdcch_symbols=1,num_pdcch_symbols_2=0;
  uint8_t pilot1,pilot2,pilot3;
  uint8_t rx_sample_offset = 0;
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  //char stats_buffer[4096];
  //int len;
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  uint8_t num_rounds = 4;//,fix_rounds=0;
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  uint8_t subframe=7;
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  int u;
  int n=0;
  int abstx=0;
  int iii;
  FILE *csv_fd=NULL;
  char csv_fname[512];
  int ch_realization;
  int pmi_feedback=0;
  int hold_channel=0;
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  // void *data;
  // int ii;
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  //  int bler;
  double blerr[4],uncoded_ber;//,avg_ber;
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  short *uncoded_ber_bit=NULL;
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  uint8_t N_RB_DL=25,osf=1;
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  frame_t frame_type = FDD;
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  int xforms=0;
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  FD_lte_phy_scope_ue *form_ue = NULL;
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  char title[255];
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  uint32_t DLSCH_RB_ALLOC = 0x1fff;
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  int numCCE=0;
  int dci_length_bytes=0,dci_length=0;
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  //double channel_bandwidth = 5.0, sampling_rate=7.68;
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  int common_flag=0,TPC=0;

  double cpu_freq_GHz;
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  //  time_stats_t ts;//,sts,usts;
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  int avg_iter,iter_trials;
  int rballocset=0;
  int print_perf=0;
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  int test_perf=0;
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  int dump_table=0;
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  int llr8_flag=0;

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  double effective_rate=0.0;
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  char channel_model_input[10]="I";
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  int TB0_active = 1;
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  uint32_t perfect_ce = 0;
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  //  LTE_DL_UE_HARQ_t *dlsch0_ue_harq;
  //  LTE_DL_eNB_HARQ_t *dlsch0_eNB_harq;
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  uint8_t Kmimo;
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  uint8_t ue_category=4;
  uint32_t Nsoft;
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  int CCE_table[800];
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  int threequarter_fs=0;

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  opp_enabled=1; // to enable the time meas

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#if defined(__arm__)
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  FILE    *proc_fd = NULL;
  char buf[64];

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  proc_fd = fopen("/sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq", "r");
  if(!proc_fd)
     printf("cannot open /sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq");
  else {
     while(fgets(buf, 63, proc_fd))
        printf("%s", buf);
  }
  fclose(proc_fd);
  cpu_freq_GHz = ((double)atof(buf))/1e6;
#else
  cpu_freq_GHz = get_cpu_freq_GHz();
#endif
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  printf("Detected cpu_freq %f GHz\n",cpu_freq_GHz);

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  //signal(SIGSEGV, handler);
  //signal(SIGABRT, handler);
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  logInit();

  // default parameters
  n_frames = 1000;
  snr0 = 0;
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  //  num_layers = 1;
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  perfect_ce = 0;
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  while ((c = getopt (argc, argv, "ahdpZDe:Em:n:o:s:f:t:c:g:r:F:x:y:z:AM:N:I:i:O:R:S:C:T:b:u:v:w:B:PLl:XY")) != -1) {
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    switch (c) {
    case 'a':
      awgn_flag = 1;
      channel_model = AWGN;
      break;

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    case 'A':
      abstx = 1;
      break;

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    case 'b':
      tdd_config=atoi(optarg);
      break;

    case 'B':
      N_RB_DL=atoi(optarg);
      break;

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    case 'c':
      num_pdcch_symbols=atoi(optarg);
      break;

    case 'C':
      Nid_cell = atoi(optarg);
      break;

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    case 'd':
      dci_flag = 1;
      break;

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    case 'D':
      frame_type=TDD;
      break;

    case 'e':
      num_rounds=1;
      common_flag = 1;
      TPC = atoi(optarg);
      break;
      
    case 'E':
      threequarter_fs=1;
      break;

    case 'f':
      input_snr_step= atof(optarg);
      break;

    case 'F':
      forgetting_factor = atof(optarg);
      break;

    case 'i':
      input_fd = fopen(optarg,"r");
      input_file=1;
      dci_flag = 1;
      break;

    case 'I':
      input_trch_fd = fopen(optarg,"r");
      input_trch_file=1;
      break;

    case 'L':
      llr8_flag=1;
      break;

    case 'l':
      offset_mumimo_llr_drange_fix=atoi(optarg);
      break;

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    case 'm':
      mcs1 = atoi(optarg);
      break;

    case 'M':
      mcs2 = atoi(optarg);
      break;

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    case 'O':
      test_perf=atoi(optarg);
      //print_perf =1;
      break;

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    case 't':
      mcs_i = atoi(optarg);
      i_mod = get_Qm(mcs_i);
      break;

    case 'n':
      n_frames = atoi(optarg);
      break;


    case 'o':
      rx_sample_offset = atoi(optarg);
      break;

    case 'r':
      DLSCH_RB_ALLOC = atoi(optarg);
      rballocset = 1;
      break;

    case 's':
      snr0 = atof(optarg);
      break;

    case 'w':
      snr_int = atof(optarg);
      break;


    case 'N':
      n_ch_rlz= atof(optarg);
      break;

    case 'p':
      extended_prefix_flag=1;
      break;

    case 'g':
      memcpy(channel_model_input,optarg,10);

      switch((char)*optarg) {
      case 'A':
        channel_model=SCM_A;
        break;

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      case 'B':
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        channel_model=SCM_B;
        break;

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      case 'C':
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        channel_model=SCM_C;
        break;

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      case 'D':
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        channel_model=SCM_D;
        break;

      case 'E':
        channel_model=EPA;
        break;

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      case 'F':
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        channel_model=EVA;
        break;

      case 'G':
        channel_model=ETU;
        break;

      case 'H':
        channel_model=Rayleigh8;
        break;

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      case 'I':
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        channel_model=Rayleigh1;
        break;

      case 'J':
        channel_model=Rayleigh1_corr;
        break;

      case 'K':
        channel_model=Rayleigh1_anticorr;
        break;

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      case 'L':
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        channel_model=Rice8;
        break;

      case 'M':
        channel_model=Rice1;
        break;

      case 'N':
        channel_model=AWGN;
        break;
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      default:
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        msg("Unsupported channel model!\n");
        exit(-1);
      }

      break;
    case 'R':
      num_rounds=atoi(optarg);
      break;

    case 'S':
      subframe=atoi(optarg);
      break;

    case 'T':
      n_rnti=atoi(optarg);
      break;

    case 'u':
      dual_stream_UE=1;
      openair_daq_vars.use_ia_receiver = 1;

      if ((n_tx!=2) || (transmission_mode!=5)) {
        msg("IA receiver only supported for TM5!");
        exit(-1);
      }

      break;

    case 'v':
      i_mod = atoi(optarg);

      if (i_mod!=2 && i_mod!=4 && i_mod!=6) {
        msg("Wrong i_mod %d, should be 2,4 or 6\n",i_mod);
        exit(-1);
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      }
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      break;

    case 'P':
      print_perf=1;
      break;

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    case 'x':
      transmission_mode=atoi(optarg);

      if ((transmission_mode!=1) &&
          (transmission_mode!=2) &&
          (transmission_mode!=3) &&
          (transmission_mode!=4) &&
          (transmission_mode!=5) &&
          (transmission_mode!=6)) {
        msg("Unsupported transmission mode %d\n",transmission_mode);
        exit(-1);
      }

      if (transmission_mode>1) {
        n_tx = 2;
      }

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      break;

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    case 'y':
      n_tx=atoi(optarg);

      if ((n_tx==0) || (n_tx>2)) {
        msg("Unsupported number of tx antennas %d\n",n_tx);
        exit(-1);
      }

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      break;

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    case 'X':
      xforms=1;
      break;

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    case 'Y':
      perfect_ce=1;
      break;

    case 'z':
      n_rx=atoi(optarg);

      if ((n_rx==0) || (n_rx>2)) {
        msg("Unsupported number of rx antennas %d\n",n_rx);
        exit(-1);
      }

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      break;

    case 'Z':
      dump_table=1;
      break;

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    case 'h':
    default:
      printf("%s -h(elp) -a(wgn on) -d(ci decoding on) -p(extended prefix on) -m mcs1 -M mcs2 -n n_frames -s snr0 -x transmission mode (1,2,5,6) -y TXant -z RXant -I trch_file\n",argv[0]);
      printf("-h This message\n");
      printf("-a Use AWGN channel and not multipath\n");
      printf("-c Number of PDCCH symbols\n");
      printf("-m MCS1 for TB 1\n");
      printf("-M MCS2 for TB 2\n");
      printf("-d Transmit the DCI and compute its error statistics and the overall throughput\n");
      printf("-p Use extended prefix mode\n");
      printf("-n Number of frames to simulate\n");
      printf("-o Sample offset for receiver\n");
      printf("-s Starting SNR, runs from SNR to SNR+%.1fdB in steps of %.1fdB. If n_frames is 1 then just SNR is simulated and MATLAB/OCTAVE output is generated\n", snr_int, snr_step);
      printf("-f step size of SNR, default value is 1.\n");
      printf("-r ressource block allocation (see  section 7.1.6.3 in 36.213\n");
      printf("-g [A:M] Use 3GPP 25.814 SCM-A/B/C/D('A','B','C','D') or 36-101 EPA('E'), EVA ('F'),ETU('G') models (ignores delay spread and Ricean factor), Rayghleigh8 ('H'), Rayleigh1('I'), Rayleigh1_corr('J'), Rayleigh1_anticorr ('K'), Rice8('L'), Rice1('M')\n");
      printf("-F forgetting factor (0 new channel every trial, 1 channel constant\n");
      printf("-x Transmission mode (1,2,6 for the moment)\n");
      printf("-y Number of TX antennas used in eNB\n");
      printf("-z Number of RX antennas used in UE\n");
      printf("-t MCS of interfering UE\n");
      printf("-R Number of HARQ rounds (fixed)\n");
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      printf("-A Turns on calibration mode for abstraction.\n");
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      printf("-N Determines the number of Channel Realizations in Abstraction mode. Default value is 1. \n");
      printf("-O Set the percenatge of effective rate to testbench the modem performance (typically 30 and 70, range 1-100) \n");
      printf("-I Input filename for TrCH data (binary)\n");
      printf("-u Enables the Interference Aware Receiver for TM5 (default is normal receiver)\n");
      exit(1);
      break;
    }
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  }

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  if (common_flag == 0) {
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    switch (N_RB_DL) {
    case 6:
      if (rballocset==0) DLSCH_RB_ALLOC = 0x3f;
      num_pdcch_symbols = 3;
      break;
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    case 25:
      if (rballocset==0) DLSCH_RB_ALLOC = 0x1fff;
      break;
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    case 50:
      if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffff;
      break;
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    case 100:
      if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffffff;
      break;
    }
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    NB_RB=conv_nprb(0,DLSCH_RB_ALLOC,N_RB_DL);
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  } else
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    NB_RB = 4;

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  if ((transmission_mode > 1) && (n_tx != 2))
    printf("n_tx must be >1 for transmission_mode %d\n",transmission_mode);

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  if (xforms==1) {
    fl_initialize (&argc, argv, NULL, 0, 0);
    form_ue = create_lte_phy_scope_ue();
    sprintf (title, "LTE PHY SCOPE eNB");
    fl_show_form (form_ue->lte_phy_scope_ue, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);
    
    if (!dual_stream_UE==0) {
      openair_daq_vars.use_ia_receiver = 1;
      fl_set_button(form_ue->button_0,1);
      fl_set_object_label(form_ue->button_0, "IA Receiver ON");
      fl_set_object_color(form_ue->button_0, FL_GREEN, FL_GREEN);
    }
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  }
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  if (transmission_mode==5) {
    n_users = 2;
    printf("dual_stream_UE=%d\n", dual_stream_UE);
  }

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  lte_param_init(n_tx,
		 n_rx,
		 transmission_mode,
		 extended_prefix_flag,
		 frame_type,
		 Nid_cell,
		 tdd_config,
		 N_RB_DL,
		 threequarter_fs,
		 osf,
		 perfect_ce);
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  eNB_id_i = PHY_vars_UE->n_connected_eNB;
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  printf("Setting mcs1 = %d\n",mcs1);
  printf("Setting mcs2 = %d\n",mcs2);
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  printf("NPRB = %d\n",NB_RB);
  printf("n_frames = %d\n",n_frames);
  printf("Transmission mode %d with %dx%d antenna configuration, Extended Prefix %d\n",transmission_mode,n_tx,n_rx,extended_prefix_flag);

  snr1 = snr0+snr_int;
  printf("SNR0 %f, SNR1 %f\n",snr0,snr1);

  /*
    txdataF    = (int **)malloc16(2*sizeof(int*));
    txdataF[0] = (int *)malloc16(FRAME_LENGTH_BYTES);
    txdataF[1] = (int *)malloc16(FRAME_LENGTH_BYTES);
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    txdata    = (int **)malloc16(2*sizeof(int*));
    txdata[0] = (int *)malloc16(FRAME_LENGTH_BYTES);
    txdata[1] = (int *)malloc16(FRAME_LENGTH_BYTES);
  */

  frame_parms = &PHY_vars_eNB->lte_frame_parms;

  s_re = malloc(2*sizeof(double*));
  s_im = malloc(2*sizeof(double*));
  r_re = malloc(2*sizeof(double*));
  r_im = malloc(2*sizeof(double*));
  //  r_re0 = malloc(2*sizeof(double*));
  //  r_im0 = malloc(2*sizeof(double*));

  nsymb = (PHY_vars_eNB->lte_frame_parms.Ncp == 0) ? 14 : 12;

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  printf("Channel Model= (%s,%d)\n",channel_model_input, channel_model);
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  printf("SCM-A=%d, SCM-B=%d, SCM-C=%d, SCM-D=%d, EPA=%d, EVA=%d, ETU=%d, Rayleigh8=%d, Rayleigh1=%d, Rayleigh1_corr=%d, Rayleigh1_anticorr=%d, Rice1=%d, Rice8=%d\n",
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         SCM_A, SCM_B, SCM_C, SCM_D, EPA, EVA, ETU, Rayleigh8, Rayleigh1, Rayleigh1_corr, Rayleigh1_anticorr, Rice1, Rice8);

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  if(transmission_mode==5)
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    sprintf(bler_fname,"bler_tx%d_chan%d_nrx%d_mcs%d_mcsi%d_u%d_imod%d.csv",transmission_mode,channel_model,n_rx,mcs1,mcs_i,dual_stream_UE,i_mod);
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    sprintf(bler_fname,"bler_tx%d_chan%d_nrx%d_mcs%d.csv",transmission_mode,channel_model,n_rx,mcs1);
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  bler_fd = fopen(bler_fname,"w");
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  if (bler_fd==NULL) {
    fprintf(stderr,"Cannot create file %s!\n",bler_fname);
    exit(-1);
  }
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  fprintf(bler_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3; dci_err\n");
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  if (test_perf != 0) {
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    char hostname[1024];
    hostname[1023] = '\0';
    gethostname(hostname, 1023);
    printf("Hostname: %s\n", hostname);
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    //char dirname[FILENAME_MAX];
    //sprintf(dirname, "%s/SIMU/USER/pre-ci-logs-%s", getenv("OPENAIR_TARGETS"),hostname );
    sprintf(time_meas_fname,"time_meas_prb%d_mcs%d_anttx%d_antrx%d_pdcch%d_channel%s_tx%d.csv",
            N_RB_DL,mcs1,n_tx,n_rx,num_pdcch_symbols,channel_model_input,transmission_mode);
    //mkdir(dirname,0777);
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    time_meas_fd = fopen(time_meas_fname,"w");
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    if (time_meas_fd==NULL) {
      fprintf(stderr,"Cannot create file %s!\n",time_meas_fname);
      exit(-1);
    }
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  }
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  if(abstx) {
    // CSV file
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    sprintf(csv_fname,"dataout_tx%d_u2%d_mcs%d_chan%d_nsimus%d_R%d.m",transmission_mode,dual_stream_UE,mcs1,channel_model,n_frames,num_rounds);
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    csv_fd = fopen(csv_fname,"w");
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    fprintf(csv_fd,"data_all%d=[",mcs1);
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    if (csv_fd==NULL) {
      fprintf(stderr,"Cannot create file %s!\n",csv_fname);
      exit(-1);
    }
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  }

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  /*
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  //sprintf(tikz_fname, "second_bler_tx%d_u2=%d_mcs%d_chan%d_nsimus%d.tex",transmission_mode,dual_stream_UE,mcs,channel_model,n_frames);
  sprintf(tikz_fname, "second_bler_tx%d_u2%d_mcs%d_chan%d_nsimus%d",transmission_mode,dual_stream_UE,mcs,channel_model,n_frames);
  tikz_fd = fopen(tikz_fname,"w");
  //fprintf(tikz_fd,"\\addplot[color=red, mark=o] plot coordinates {");
  switch (mcs)
    {
    case 0:
      fprintf(tikz_fd,"\\addplot[color=blue, mark=star] plot coordinates {");
      break;
    case 1:
      fprintf(tikz_fd,"\\addplot[color=red, mark=star] plot coordinates {");
      break;
    case 2:
      fprintf(tikz_fd,"\\addplot[color=green, mark=star] plot coordinates {");
      break;
    case 3:
      fprintf(tikz_fd,"\\addplot[color=yellow, mark=star] plot coordinates {");
      break;
    case 4:
      fprintf(tikz_fd,"\\addplot[color=black, mark=star] plot coordinates {");
      break;
    case 5:
      fprintf(tikz_fd,"\\addplot[color=blue, mark=o] plot coordinates {");
      break;
    case 6:
      fprintf(tikz_fd,"\\addplot[color=red, mark=o] plot coordinates {");
      break;
    case 7:
      fprintf(tikz_fd,"\\addplot[color=green, mark=o] plot coordinates {");
      break;
    case 8:
      fprintf(tikz_fd,"\\addplot[color=yellow, mark=o] plot coordinates {");
      break;
    case 9:
      fprintf(tikz_fd,"\\addplot[color=black, mark=o] plot coordinates {");
      break;
    case 10:
      fprintf(tikz_fd,"\\addplot[color=blue, mark=square] plot coordinates {");
      break;
    case 11:
      fprintf(tikz_fd,"\\addplot[color=red, mark=square] plot coordinates {");
      break;
    case 12:
      fprintf(tikz_fd,"\\addplot[color=green, mark=square] plot coordinates {");
      break;
    case 13:
      fprintf(tikz_fd,"\\addplot[color=yellow, mark=square] plot coordinates {");
      break;
    case 14:
      fprintf(tikz_fd,"\\addplot[color=black, mark=square] plot coordinates {");
      break;
    case 15:
      fprintf(tikz_fd,"\\addplot[color=blue, mark=diamond] plot coordinates {");
      break;
    case 16:
      fprintf(tikz_fd,"\\addplot[color=red, mark=diamond] plot coordinates {");
      break;
    case 17:
      fprintf(tikz_fd,"\\addplot[color=green, mark=diamond] plot coordinates {");
      break;
    case 18:
      fprintf(tikz_fd,"\\addplot[color=yellow, mark=diamond] plot coordinates {");
      break;
    case 19:
      fprintf(tikz_fd,"\\addplot[color=black, mark=diamond] plot coordinates {");
      break;
    case 20:
      fprintf(tikz_fd,"\\addplot[color=blue, mark=x] plot coordinates {");
      break;
    case 21:
      fprintf(tikz_fd,"\\addplot[color=red, mark=x] plot coordinates {");
      break;
    case 22:
      fprintf(tikz_fd,"\\addplot[color=green, mark=x] plot coordinates {");
      break;
    case 23:
      fprintf(tikz_fd,"\\addplot[color=yellow, mark=x] plot coordinates {");
      break;
    case 24:
      fprintf(tikz_fd,"\\addplot[color=black, mark=x] plot coordinates {");
      break;
    case 25:
      fprintf(tikz_fd,"\\addplot[color=blue, mark=x] plot coordinates {");
      break;
    case 26:
      fprintf(tikz_fd,"\\addplot[color=red, mark=+] plot coordinates {");
      break;
    case 27:
      fprintf(tikz_fd,"\\addplot[color=green, mark=+] plot coordinates {");
      break;
    case 28:
      fprintf(tikz_fd,"\\addplot[color=yellow, mark=+] plot coordinates {");
      break;
    }
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  */

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  for (i=0; i<2; i++) {
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    s_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    s_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    r_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    r_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    //    r_re0[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    //    bzero(r_re0[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    //    r_im0[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    //    bzero(r_im0[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
  }


  PHY_vars_UE->lte_ue_pdcch_vars[0]->crnti = n_rnti;

  // Fill in UL_alloc
  UL_alloc_pdu.type    = 0;
  UL_alloc_pdu.hopping = 0;
  UL_alloc_pdu.rballoc = UL_RB_ALLOC;
  UL_alloc_pdu.mcs     = 1;
  UL_alloc_pdu.ndi     = 1;
  UL_alloc_pdu.TPC     = 0;
  UL_alloc_pdu.cqi_req = 1;

  CCCH_alloc_pdu.type               = 0;
  CCCH_alloc_pdu.vrb_type           = 0;
  CCCH_alloc_pdu.rballoc            = CCCH_RB_ALLOC;
  CCCH_alloc_pdu.ndi      = 1;
  CCCH_alloc_pdu.mcs      = 1;
  CCCH_alloc_pdu.harq_pid = 0;

  DLSCH_alloc_pdu2_1E[0].rah              = 0;
  DLSCH_alloc_pdu2_1E[0].rballoc          = DLSCH_RB_ALLOC;
  DLSCH_alloc_pdu2_1E[0].TPC              = 0;
  DLSCH_alloc_pdu2_1E[0].dai              = 0;
  DLSCH_alloc_pdu2_1E[0].harq_pid         = 0;
  //DLSCH_alloc_pdu2_1E[0].tb_swap          = 0;
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  DLSCH_alloc_pdu2_1E[0].mcs             = mcs1;
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  DLSCH_alloc_pdu2_1E[0].ndi             = 1;
  DLSCH_alloc_pdu2_1E[0].rv              = 0;
  // Forget second codeword
  DLSCH_alloc_pdu2_1E[0].tpmi             = (transmission_mode>=5 ? 5 : 0);  // precoding
  DLSCH_alloc_pdu2_1E[0].dl_power_off     = (transmission_mode==5 ? 0 : 1);

  DLSCH_alloc_pdu2_1E[1].rah              = 0;
  DLSCH_alloc_pdu2_1E[1].rballoc          = DLSCH_RB_ALLOC;
  DLSCH_alloc_pdu2_1E[1].TPC              = 0;
  DLSCH_alloc_pdu2_1E[1].dai              = 0;
  DLSCH_alloc_pdu2_1E[1].harq_pid         = 0;
  //DLSCH_alloc_pdu2_1E[1].tb_swap          = 0;
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  DLSCH_alloc_pdu2_1E[1].mcs             = mcs_i;
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  DLSCH_alloc_pdu2_1E[1].ndi             = 1;
  DLSCH_alloc_pdu2_1E[1].rv              = 0;
  // Forget second codeword
  DLSCH_alloc_pdu2_1E[1].tpmi             = (transmission_mode>=5 ? 5 : 0) ;  // precoding
  DLSCH_alloc_pdu2_1E[1].dl_power_off     = (transmission_mode==5 ? 0 : 1);

  eNB2UE[0] = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
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                                   PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
                                   channel_model,
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                                   N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
				   N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
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                                   forgetting_factor,
                                   rx_sample_offset,
                                   0);

  if(num_rounds>1) {
    for(n=1; n<4; n++)
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      eNB2UE[n] = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
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                                       PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
                                       channel_model,
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				       N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
				       N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
				       forgetting_factor,
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                                       rx_sample_offset,
                                       0);
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  }
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  if (eNB2UE[0]==NULL) {
    msg("Problem generating channel model. Exiting.\n");
    exit(-1);
  }

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  if ((transmission_mode == 3) || (transmission_mode==4))
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    Kmimo=2;
  else
    Kmimo=1;

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  switch (ue_category) {
  case 1:
    Nsoft = 250368;
    break;
  case 2:
  case 3:
    Nsoft = 1237248;
    break;
  case 4:
    Nsoft = 1827072;
    break;
  default:
    printf("Unsupported UE category %d\n",ue_category);
    exit(-1);
    break;
  }

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  for (k=0; k<n_users; k++) {
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    // Create transport channel structures for 2 transport blocks (MIMO)
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    for (i=0; i<2; i++) {
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      PHY_vars_eNB->dlsch_eNB[k][i] = new_eNB_dlsch(Kmimo,8,Nsoft,N_RB_DL,0);
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      if (!PHY_vars_eNB->dlsch_eNB[k][i]) {
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        printf("Can't get eNB dlsch structures\n");
        exit(-1);
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      }
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      PHY_vars_eNB->dlsch_eNB[k][i]->rnti = n_rnti+k;
    }
  }
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  for (i=0; i<2; i++) {
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    PHY_vars_UE->dlsch_ue[0][i]  = new_ue_dlsch(Kmimo,8,Nsoft,MAX_TURBO_ITERATIONS,N_RB_DL,0);
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    if (!PHY_vars_UE->dlsch_ue[0][i]) {
      printf("Can't get ue dlsch structures\n");
      exit(-1);
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    }

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    PHY_vars_UE->dlsch_ue[0][i]->rnti   = n_rnti;
  }
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  // structure for SIC at UE
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  PHY_vars_UE->dlsch_eNB[0] = new_eNB_dlsch(Kmimo,8,Nsoft,N_RB_DL,0);
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  if (DLSCH_alloc_pdu2_1E[0].tpmi == 5) {

    PHY_vars_eNB->eNB_UE_stats[0].DL_pmi_single = (unsigned short)(taus()&0xffff);
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    if (n_users>1)
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      PHY_vars_eNB->eNB_UE_stats[1].DL_pmi_single = (PHY_vars_eNB->eNB_UE_stats[0].DL_pmi_single ^ 0x1555); //opposite PMI
  } else {
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    if (n_users>1)
      PHY_vars_eNB->eNB_UE_stats[1].DL_pmi_single = 0;
  }


  if (input_fd==NULL) {


    /*
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    // common DCI
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    memcpy(&dci_alloc[num_dci].dci_pdu[0],&CCCH_alloc_pdu,sizeof(DCI1A_5MHz_TDD_1_6_t));
    dci_alloc[num_dci].dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
    dci_alloc[num_dci].L          = 2;
    dci_alloc[num_dci].rnti       = SI_RNTI;
    num_dci++;
    num_common_dci++;
    */

    // UE specific DCI
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    for(k=0; k<n_users; k++) {
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      switch(transmission_mode) {
      case 1:
      case 2:
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        if (common_flag == 0) {

          if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) {

            switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
            case 6:
              dci_length = sizeof_DCI1_1_5MHz_TDD_t;
              dci_length_bytes = sizeof(DCI1_1_5MHz_TDD_t);
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 25:
              dci_length = sizeof_DCI1_5MHz_TDD_t;
              dci_length_bytes = sizeof(DCI1_5MHz_TDD_t);
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 50:
              dci_length = sizeof_DCI1_10MHz_TDD_t;
              dci_length_bytes = sizeof(DCI1_10MHz_TDD_t);
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 100:
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              dci_length = sizeof_DCI1_20MHz_TDD_t;
              dci_length_bytes = sizeof(DCI1_20MHz_TDD_t);
              break;
            }
          } else {
            switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
            case 6:
              dci_length = sizeof_DCI1_1_5MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1_1_5MHz_FDD_t);
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 25:
              dci_length = sizeof_DCI1_5MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1_5MHz_FDD_t);
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 50:
              dci_length = sizeof_DCI1_10MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1_10MHz_FDD_t);
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 100:
              dci_length = sizeof_DCI1_20MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1_20MHz_FDD_t);
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 1;
              ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;
            }
          }

          memcpy(&dci_alloc[num_dci].dci_pdu[0],&DLSCH_alloc_pdu_1[k],dci_length_bytes);
          dci_alloc[num_dci].dci_length = dci_length;
          dci_alloc[num_dci].L          = 1;
          dci_alloc[num_dci].rnti       = n_rnti+k;
          dci_alloc[num_dci].format     = format1;
          dump_dci(&PHY_vars_eNB->lte_frame_parms,&dci_alloc[num_dci]);

          printf("Generating dlsch params for user %d\n",k);
          generate_eNB_dlsch_params_from_dci(0,
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                                             &DLSCH_alloc_pdu_1[0],
                                             n_rnti+k,
                                             format1,
                                             PHY_vars_eNB->dlsch_eNB[0],
                                             &PHY_vars_eNB->lte_frame_parms,
                                             PHY_vars_eNB->pdsch_config_dedicated,
                                             SI_RNTI,
                                             0,
                                             P_RNTI,
                                             PHY_vars_eNB->eNB_UE_stats[0].DL_pmi_single);

          num_dci++;
          num_ue_spec_dci++;
        } else {
          if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) {

            switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
            case 6:
              dci_length = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 25:
              dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_5MHz_TDD_1_6_t);
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 1;
              break;

            case 50:
              dci_length = sizeof_DCI1A_10MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_10MHz_TDD_1_6_t);
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 100:
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              dci_length = sizeof_DCI1A_20MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_20MHz_TDD_1_6_t);
              break;
            }
          } else {
            switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
            case 6:
              dci_length = sizeof_DCI1A_1_5MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_1_5MHz_FDD_t);
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 25:
              dci_length = sizeof_DCI1A_5MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_5MHz_FDD_t);
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 50:
              dci_length = sizeof_DCI1A_10MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_10MHz_FDD_t);
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 100:
              dci_length = sizeof_DCI1A_20MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_20MHz_FDD_t);
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;
            }
          }

          memcpy(&dci_alloc[num_dci].dci_pdu[0],&DLSCH_alloc_pdu_1[k],dci_length_bytes);
          dci_alloc[num_dci].dci_length = dci_length;
          dci_alloc[num_dci].L          = 1;
          dci_alloc[num_dci].rnti       = SI_RNTI;
          dci_alloc[num_dci].format     = format1A;
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          dci_alloc[num_dci].firstCCE       = 0;
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          dump_dci(&PHY_vars_eNB->lte_frame_parms,&dci_alloc[num_dci]);

          printf("Generating dlsch params for user %d\n",k);
          generate_eNB_dlsch_params_from_dci(0,
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                                             &DLSCH_alloc_pdu_1[0],
                                             SI_RNTI,
                                             format1A,
                                             PHY_vars_eNB->dlsch_eNB[0],
                                             &PHY_vars_eNB->lte_frame_parms,
                                             PHY_vars_eNB->pdsch_config_dedicated,
                                             SI_RNTI,
                                             0,
                                             P_RNTI,
                                             PHY_vars_eNB->eNB_UE_stats[0].DL_pmi_single);

          num_common_dci++;
          num_dci++;

        }

        break;

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        if (common_flag == 0) {

          if (PHY_vars_eNB->lte_frame_parms.nb_antennas_tx == 2) {

            if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) {

              switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
              case 6:
                dci_length = sizeof_DCI2A_1_5MHz_2A_TDD_t;
                dci_length_bytes = sizeof(DCI2A_1_5MHz_2A_TDD_t);
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_1_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;

              case 25:
                dci_length = sizeof_DCI2A_5MHz_2A_TDD_t;
                dci_length_bytes = sizeof(DCI2A_5MHz_2A_TDD_t);
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_5MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;

              case 50:
                dci_length = sizeof_DCI2A_10MHz_2A_TDD_t;
                dci_length_bytes = sizeof(DCI2A_10MHz_2A_TDD_t);
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_10MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;

              case 100:
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_20MHz_2A_TDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                dci_length = sizeof_DCI2A_20MHz_2A_TDD_t;
                dci_length_bytes = sizeof(DCI2A_20MHz_2A_TDD_t);
                break;
              }
            }

            else {
              switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
              case 6:
                dci_length = sizeof_DCI2A_1_5MHz_2A_FDD_t;
                dci_length_bytes = sizeof(DCI2A_1_5MHz_2A_FDD_t);
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_1_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;

              case 25:
                dci_length = sizeof_DCI2A_5MHz_2A_FDD_t;
                dci_length_bytes = sizeof(DCI2A_5MHz_2A_FDD_t);
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_5MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;

              case 50:
                dci_length = sizeof_DCI2A_10MHz_2A_FDD_t;
                dci_length_bytes = sizeof(DCI2A_10MHz_2A_FDD_t);
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_10MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;

              case 100:
                dci_length = sizeof_DCI2A_20MHz_2A_FDD_t;
                dci_length_bytes = sizeof(DCI2A_20MHz_2A_FDD_t);
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rah              = 0;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = DLSCH_RB_ALLOC;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = 0;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs1             = mcs1;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi1             = 1;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv1              = 0;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs2             = mcs2;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi2             = 1;
                ((DCI2A_20MHz_2A_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv2              = 0;
                break;
              }
            }
          } else if (PHY_vars_eNB->lte_frame_parms.nb_antennas_tx == 4) {

          }

          memcpy(&dci_alloc[num_dci].dci_pdu[0],&DLSCH_alloc_pdu_1[k],dci_length_bytes);
          dci_alloc[num_dci].dci_length = dci_length;
          dci_alloc[num_dci].L          = 1;
          dci_alloc[num_dci].rnti       = n_rnti+k;
          dci_alloc[num_dci].format     = format2A;
          dump_dci(&PHY_vars_eNB->lte_frame_parms,&dci_alloc[num_dci]);

          printf("Generating dlsch params for user %d / format 2A (%d)\n",k,format2A);
          generate_eNB_dlsch_params_from_dci(0,
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                                             &DLSCH_alloc_pdu_1[0],
                                             n_rnti+k,
                                             format2A,
                                             PHY_vars_eNB->dlsch_eNB[0],
                                             &PHY_vars_eNB->lte_frame_parms,
                                             PHY_vars_eNB->pdsch_config_dedicated,
                                             SI_RNTI,
                                             0,
                                             P_RNTI,
                                             PHY_vars_eNB->eNB_UE_stats[0].DL_pmi_single);

          num_dci++;
          num_ue_spec_dci++;
        } else {
          if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) {

            switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
            case 6:
              dci_length = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_1_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 25:
              dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_5MHz_TDD_1_6_t);
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_5MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 1;
              break;

            case 50:
              dci_length = sizeof_DCI1A_10MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_10MHz_TDD_1_6_t);
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_10MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 100:
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->dai              = 0;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_20MHz_TDD_1_6_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              dci_length = sizeof_DCI1A_20MHz_TDD_1_6_t;
              dci_length_bytes = sizeof(DCI1A_20MHz_TDD_1_6_t);
              break;
            }
          } else {
            switch (PHY_vars_eNB->lte_frame_parms.N_RB_DL) {
            case 6:
              dci_length = sizeof_DCI1A_1_5MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_1_5MHz_FDD_t);
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_1_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 25:
              dci_length = sizeof_DCI1A_5MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_5MHz_FDD_t);
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_5MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 50:
              dci_length = sizeof_DCI1A_10MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_10MHz_FDD_t);
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_10MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;

            case 100:
              dci_length = sizeof_DCI1A_20MHz_FDD_t;
              dci_length_bytes = sizeof(DCI1A_20MHz_FDD_t);
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->type             = 1;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->vrb_type         = 1;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rballoc          = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_DL,0,9);
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->TPC              = TPC;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->harq_pid         = 0;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->mcs             = mcs1;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->ndi             = 0;
              ((DCI1A_20MHz_FDD_t *)&DLSCH_alloc_pdu_1[k])->rv              = 0;
              break;
            }
          }

          memcpy(&dci_alloc[num_dci].dci_pdu[0],&DLSCH_alloc_pdu_1[k],dci_length_bytes);
          dci_alloc[num_dci].dci_length = dci_length;
          dci_alloc[num_dci].L          = 1;
          dci_alloc[num_dci].rnti       = SI_RNTI;
          dci_alloc[num_dci].format     = format1A;
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          dci_alloc[num_dci].firstCCE       = 0;
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          dump_dci(&PHY_vars_eNB->lte_frame_parms,&dci_alloc[num_dci]);

          printf("Generating dlsch params for user %d\n",k);
          generate_eNB_dlsch_params_from_dci(0,
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					     subframe,
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                                             &DLSCH_alloc_pdu_1[0],
                                             SI_RNTI,
                                             format1A,
                                             PHY_vars_eNB->dlsch_eNB[0],
                                             &PHY_vars_eNB->lte_frame_parms,
                                             PHY_vars_eNB->pdsch_config_dedicated,
                                             SI_RNTI,
                                             0,
                                             P_RNTI,
                                             PHY_vars_eNB->eNB_UE_stats[0].DL_pmi_single);

          num_common_dci++;
          num_dci++;

        }

        printf("Generated DCI format 2A (Transmission Mode 3)\n");
        break;
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      case 4:
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