phy_procedures_lte_eNb.c 185 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 phy_procedures_lte_eNB.c
 * \brief Implementation of eNB procedures from 36.213 LTE specifications
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 * \author R. Knopp, F. Kaltenberger, N. Nikaein
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 * \date 2011
 * \version 0.1
 * \company Eurecom
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 * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr,navid.nikaein@eurecom.fr
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 * \note
 * \warning
 */

#include "PHY/defs.h"
#include "PHY/extern.h"
#include "MAC_INTERFACE/defs.h"
#include "MAC_INTERFACE/extern.h"
#include "SCHED/defs.h"
#include "SCHED/extern.h"

#ifdef EMOS
#include "SCHED/phy_procedures_emos.h"
#endif

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//#define DEBUG_PHY_PROC (Already defined in cmake)
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//#define DEBUG_ULSCH

//#ifdef OPENAIR2
#include "LAYER2/MAC/extern.h"
#include "LAYER2/MAC/defs.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
//#endif

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#include "assertions.h"
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#include "msc.h"
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#if defined(ENABLE_ITTI)
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#   include "intertask_interface.h"
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#   if ENABLE_RAL
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#     include "timer.h"
#   endif
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#endif

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//#define DIAG_PHY

#define NS_PER_SLOT 500000

#define PUCCH 1

extern int exit_openair;
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//extern void do_OFDM_mod(mod_sym_t **txdataF, int32_t **txdata, uint32_t frame, uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms);
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unsigned char dlsch_input_buffer[2700] __attribute__ ((aligned(16)));
int eNB_sync_buffer0[640*6] __attribute__ ((aligned(16)));
int eNB_sync_buffer1[640*6] __attribute__ ((aligned(16)));
int *eNB_sync_buffer[2] = {eNB_sync_buffer0, eNB_sync_buffer1};

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extern uint16_t hundred_times_log10_NPRB[100];
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unsigned int max_peak_val;
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int max_sect_id, max_sync_pos;

//DCI_ALLOC_t dci_alloc[8];

#ifdef EMOS
fifo_dump_emos_eNB emos_dump_eNB;
#endif

#if defined(SMBV) && !defined(EXMIMO)
extern const char smbv_fname[];
extern unsigned short config_frames[4];
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extern uint8_t smbv_frame_cnt;
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#endif

#ifdef DIAG_PHY
extern int rx_sig_fifo;
#endif

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uint8_t is_SR_subframe(PHY_VARS_eNB *phy_vars_eNB,uint8_t UE_id,uint8_t sched_subframe)
{
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  const int subframe = phy_vars_eNB->proc[sched_subframe].subframe_rx;
  const int frame = phy_vars_eNB->proc[sched_subframe].frame_rx;
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  LOG_D(PHY,"[eNB %d][SR %x] Frame %d subframe %d Checking for SR TXOp(sr_ConfigIndex %d)\n",
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        phy_vars_eNB->Mod_id,phy_vars_eNB->ulsch_eNB[UE_id]->rnti,frame,subframe,
        phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex);

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  if (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex <= 4) {        // 5 ms SR period
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    if ((subframe%5) == phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex)
      return(1);
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  } else if (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex <= 14) { // 10 ms SR period
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    if (subframe==(phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex-5))
      return(1);
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  } else if (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex <= 34) { // 20 ms SR period
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    if ((10*(frame&1)+subframe) == (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex-15))
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      return(1);
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  } else if (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex <= 74) { // 40 ms SR period
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    if ((10*(frame&3)+subframe) == (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex-35))
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      return(1);
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  } else if (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex <= 154) { // 80 ms SR period
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    if ((10*(frame&7)+subframe) == (phy_vars_eNB->scheduling_request_config[UE_id].sr_ConfigIndex-75))
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      return(1);
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  }

  return(0);
}
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int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB)
{
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  uint8_t i;
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#ifdef DEBUG_PHY_PROC
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  LOG_I(PHY,"[eNB %d/%d] Adding UE with rnti %x\n",
        phy_vars_eNB->Mod_id,
        phy_vars_eNB->CC_id,
        (uint16_t)rnti);
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#endif
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  for (i=0; i<NUMBER_OF_UE_MAX; i++) {
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    if ((phy_vars_eNB->dlsch_eNB[i]==NULL) || (phy_vars_eNB->ulsch_eNB[i]==NULL)) {
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      MSC_LOG_EVENT(MSC_PHY_ENB, "0 Failed add ue %"PRIx16" (ENOMEM)", rnti);
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      LOG_E(PHY,"Can't add UE, not enough memory allocated\n");
      return(-1);
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    } else {
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      if (phy_vars_eNB->eNB_UE_stats[i].crnti==0) {
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        MSC_LOG_EVENT(MSC_PHY_ENB, "0 Add ue %"PRIx16" ", rnti);
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        LOG_I(PHY,"UE_id %d associated with rnti %x\n",i, (uint16_t)rnti);
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        phy_vars_eNB->dlsch_eNB[i][0]->rnti = rnti;
        phy_vars_eNB->ulsch_eNB[i]->rnti = rnti;
        phy_vars_eNB->eNB_UE_stats[i].crnti = rnti;
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	phy_vars_eNB->eNB_UE_stats[i].Po_PUCCH1_below = 0;
	phy_vars_eNB->eNB_UE_stats[i].Po_PUCCH1_above = (int32_t)pow(10.0,.1*(phy_vars_eNB->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH+phy_vars_eNB->rx_total_gain_eNB_dB));
	phy_vars_eNB->eNB_UE_stats[i].Po_PUCCH        = (int32_t)pow(10.0,.1*(phy_vars_eNB->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH+phy_vars_eNB->rx_total_gain_eNB_dB));
	LOG_I(PHY,"Initializing Po_PUCCH: p0_NominalPUCCH %d, gain %d => %d\n",
	      phy_vars_eNB->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH,
	      phy_vars_eNB->rx_total_gain_eNB_dB,
	      phy_vars_eNB->eNB_UE_stats[i].Po_PUCCH);
  
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        return(i);
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      }
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    }
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  }
  return(-1);
}

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int32_t remove_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB, uint8_t abstraction_flag)
{
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  uint8_t i;
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  for (i=0; i<NUMBER_OF_UE_MAX; i++) {
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    if ((phy_vars_eNB->dlsch_eNB[i]==NULL) || (phy_vars_eNB->ulsch_eNB[i]==NULL)) {
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      MSC_LOG_EVENT(MSC_PHY_ENB, "0 Failed remove ue %"PRIx16" (ENOMEM)", rnti);
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      LOG_E(PHY,"Can't remove UE, not enough memory allocated\n");
      return(-1);
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    } else {
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      if (phy_vars_eNB->eNB_UE_stats[i].crnti==rnti) {
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        MSC_LOG_EVENT(MSC_PHY_ENB, "0 Removed ue %"PRIx16" ", rnti);
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#ifdef DEBUG_PHY_PROC
	LOG_I(PHY,"eNB %d removing UE %d with rnti %x\n",phy_vars_eNB->Mod_id,i,rnti);
#endif
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        //msg("[PHY] UE_id %d\n",i);
        clean_eNb_dlsch(phy_vars_eNB->dlsch_eNB[i][0], abstraction_flag);
        clean_eNb_ulsch(phy_vars_eNB->ulsch_eNB[i],abstraction_flag);
        //phy_vars_eNB->eNB_UE_stats[i].crnti = 0;
        memset(&phy_vars_eNB->eNB_UE_stats[i],0,sizeof(LTE_eNB_UE_stats));
        //  mac_exit_wrapper("Removing UE");
        return(i);
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      }
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    }
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  }
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  MSC_LOG_EVENT(MSC_PHY_ENB, "0 Failed remove ue %"PRIx16" (not found)", rnti);
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  return(-1);
}

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int8_t find_next_ue_index(PHY_VARS_eNB *phy_vars_eNB)
{
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  uint8_t i;
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  for (i=0; i<NUMBER_OF_UE_MAX; i++) {
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    if (phy_vars_eNB->eNB_UE_stats[i].crnti==0) {
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      /*if ((phy_vars_eNB->dlsch_eNB[i]) &&
      (phy_vars_eNB->dlsch_eNB[i][0]) &&
      (phy_vars_eNB->dlsch_eNB[i][0]->rnti==0))*/
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      LOG_D(PHY,"Next free UE id is %d\n",i);
      return(i);
    }
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  }
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  return(-1);
}

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int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16_t rnti, const int frame, const uint8_t subframe,uint8_t *harq_pid,uint8_t *round,const uint8_t ul_flag)
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{
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  LTE_eNB_DLSCH_t *DLSCH_ptr;
  LTE_eNB_ULSCH_t *ULSCH_ptr;
  uint8_t ulsch_subframe,ulsch_frame;
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  uint8_t i;
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  int8_t UE_id = find_ue(rnti,PHY_vars_eNB_g[Mod_id][CC_id]);
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  int sf1=(10*frame)+subframe,sf2,sfdiff,sfdiff_max=7;
  int first_proc_found=0;
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  if (UE_id==-1) {
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    LOG_D(PHY,"Cannot find UE with rnti %x (Mod_id %d, CC_id %d)\n",rnti, Mod_id, CC_id);
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    *round=0;
    return(-1);
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  }

  if (ul_flag == 0)  {// this is a DL request
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    DLSCH_ptr = PHY_vars_eNB_g[Mod_id][CC_id]->dlsch_eNB[(uint32_t)UE_id][0];
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    // set to no available process first
    *harq_pid = -1;

    for (i=0; i<DLSCH_ptr->Mdlharq; i++) {
      if (DLSCH_ptr->harq_processes[i]!=NULL) {
	if (DLSCH_ptr->harq_processes[i]->status != ACTIVE) {
	  // store first inactive process
	  if (first_proc_found == 0) {
	    first_proc_found = 1;
	    *harq_pid = i;
	    *round = 0;
	    LOG_D(PHY,"process %d is first free process\n",i);
	  }
	  else {
	    LOG_D(PHY,"process %d is free\n",i);
	  }
	} else {
	  sf2 = (DLSCH_ptr->harq_processes[i]->frame*10) + DLSCH_ptr->harq_processes[i]->subframe;
	  if (sf2<=sf1)
	    sfdiff = sf1-sf2;
	  else // this happens when wrapping around 1024 frame barrier
	    sfdiff = 10240 + sf1-sf2;
	  LOG_D(PHY,"process %d is active, round %d (waiting %d)\n",i,DLSCH_ptr->harq_processes[i]->round,sfdiff);

	  if (sfdiff>sfdiff_max) { // this is an active process that is waiting longer than the others (and longer than 7 ms)
	    sfdiff_max = sfdiff; 
	    *harq_pid = i;
	    *round = DLSCH_ptr->harq_processes[i]->round;
	    first_proc_found = 1;
	  }
	}
      } else { // a process is not defined
	LOG_E(PHY,"[eNB %d] DLSCH process %d for rnti %x (UE_id %d) not allocated\n",Mod_id,i,rnti,UE_id);
	return(-1);
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      }
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    }
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    LOG_D(PHY,"get_ue_active_harq_pid DL => Frame %d, Subframe %d : harq_pid %d\n",
	  frame,subframe,*harq_pid);
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  } else { // This is a UL request
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    ULSCH_ptr = PHY_vars_eNB_g[Mod_id][CC_id]->ulsch_eNB[(uint32_t)UE_id];
    ulsch_subframe = pdcch_alloc2ul_subframe(&PHY_vars_eNB_g[Mod_id][CC_id]->lte_frame_parms,subframe);
    ulsch_frame    = pdcch_alloc2ul_frame(&PHY_vars_eNB_g[Mod_id][CC_id]->lte_frame_parms,frame,subframe);
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    // Note this is for TDD configuration 3,4,5 only
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    *harq_pid = subframe2harq_pid(&PHY_vars_eNB_g[Mod_id][CC_id]->lte_frame_parms,
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                                  ulsch_frame,
                                  ulsch_subframe);
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    *round    = ULSCH_ptr->harq_processes[*harq_pid]->round;
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    LOG_T(PHY,"[eNB %d][PUSCH %d] Frame %d subframe %d Checking HARQ, round %d\n",Mod_id,*harq_pid,frame,subframe,*round);
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  }
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  return(0);
}


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int16_t get_target_pusch_rx_power(const module_id_t module_idP, const uint8_t CC_id)
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{
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  //return PHY_vars_eNB_g[module_idP][CC_id]->PHY_measurements_eNB[0].n0_power_tot_dBm;
  return PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.ul_power_control_config_common.p0_NominalPUSCH;
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}

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int16_t get_target_pucch_rx_power(const module_id_t module_idP, const uint8_t CC_id)
{
  //return PHY_vars_eNB_g[module_idP][CC_id]->PHY_measurements_eNB[0].n0_power_tot_dBm;
  return PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH;
}

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#ifdef EMOS
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void phy_procedures_emos_eNB_TX(unsigned char subframe, PHY_VARS_eNB *phy_vars_eNB)
{
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}
#endif

/*
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  void phy_procedures_eNB_S_TX(unsigned char next_slot,PHY_VARS_eNB *phy_vars_eNB,uint8_t abstraction_flag) {
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  int sect_id = 0, aa;

  if (next_slot%2==0) {
  #ifdef DEBUG_PHY_PROC
  msg("[PHY][eNB %d] Frame %d, slot %d: Generating pilots for DL-S\n",
  phy_vars_eNB->Mod_id,phy_vars_eNB->frame,next_slot);
  #endif
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  for (sect_id=0;sect_id<number_of_cards;sect_id++) {
  if (abstraction_flag == 0) {

  for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
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  #ifdef IFFT_FPGA
  memset(&phy_vars_eNB->lte_eNB_common_vars.txdataF[sect_id][aa][next_slot*(phy_vars_eNB->lte_frame_parms.N_RB_DL*12)*(phy_vars_eNB->lte_frame_parms.symbols_per_tti>>1)],
  0,(phy_vars_eNB->lte_frame_parms.N_RB_DL*12)*(phy_vars_eNB->lte_frame_parms.symbols_per_tti>>1)*sizeof(mod_sym_t));
  #else
  memset(&phy_vars_eNB->lte_eNB_common_vars.txdataF[sect_id][aa][next_slot*phy_vars_eNB->lte_frame_parms.ofdm_symbol_size*(phy_vars_eNB->lte_frame_parms.symbols_per_tti>>1)],
  0,phy_vars_eNB->lte_frame_parms.ofdm_symbol_size*(phy_vars_eNB->lte_frame_parms.symbols_per_tti>>1)*sizeof(mod_sym_t));
  #endif
  }

  generate_pilots_slot(phy_vars_eNB,
  phy_vars_eNB->lte_eNB_common_vars.txdataF[sect_id],
  AMP,
  next_slot);

  msg("[PHY][eNB] Frame %d, subframe %d Generating PSS\n",
  phy_vars_eNB->frame,next_slot>>1);
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  generate_pss(phy_vars_eNB->lte_eNB_common_vars.txdataF[sect_id],
  4*AMP,
  &phy_vars_eNB->lte_frame_parms,
  2,
  next_slot);
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  }
  else {
  #ifdef PHY_ABSTRACTION
  generate_pss_emul(phy_vars_eNB,sect_id);
  #endif
  }
  }
  }
  }
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*/
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void phy_procedures_eNB_S_RX(unsigned char sched_subframe,PHY_VARS_eNB *phy_vars_eNB,uint8_t abstraction_flag,relaying_type_t r_type)
{
  UNUSED(r_type);
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  //  unsigned char sect_id=0;
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  int subframe = phy_vars_eNB->proc[sched_subframe].subframe_rx;
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#ifdef DEBUG_PHY_PROC
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  LOG_D(PHY,"[eNB %d] Frame %d: Doing phy_procedures_eNB_S_RX(%d)\n", phy_vars_eNB->Mod_id,phy_vars_eNB->proc[sched_subframe].frame_rx, subframe);
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#endif
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  //  for (sect_id=0;sect_id<number_of_cards;sect_id++) {
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  if (abstraction_flag == 0) {
    lte_eNB_I0_measurements(phy_vars_eNB,
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			    subframe,
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                            0,
                            phy_vars_eNB->first_run_I0_measurements);
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  }
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#ifdef PHY_ABSTRACTION
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  else {
    lte_eNB_I0_measurements_emul(phy_vars_eNB,
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                                 0);
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  }
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#endif

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}

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#ifdef EMOS
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void phy_procedures_emos_eNB_RX(unsigned char subframe,PHY_VARS_eNB *phy_vars_eNB)
{

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  uint8_t aa;
  uint16_t last_subframe_emos;
  uint16_t pilot_pos1 = 3 - phy_vars_eNB->lte_frame_parms.Ncp, pilot_pos2 = 10 - 2*phy_vars_eNB->lte_frame_parms.Ncp;
  uint32_t bytes;
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  last_subframe_emos=0;

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#ifdef EMOS_CHANNEL
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  //if (last_slot%2==1) // this is for all UL subframes
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  if (subframe==3)
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    for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_rx; aa++) {
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      memcpy(&emos_dump_eNB.channel[aa][last_subframe_emos*2*phy_vars_eNB->lte_frame_parms.N_RB_UL*12],
             &phy_vars_eNB->lte_eNB_pusch_vars[0]->drs_ch_estimates[0][aa][phy_vars_eNB->lte_frame_parms.N_RB_UL*12*pilot_pos1],
             phy_vars_eNB->lte_frame_parms.N_RB_UL*12*sizeof(int));
      memcpy(&emos_dump_eNB.channel[aa][(last_subframe_emos*2+1)*phy_vars_eNB->lte_frame_parms.N_RB_UL*12],
             &phy_vars_eNB->lte_eNB_pusch_vars[0]->drs_ch_estimates[0][aa][phy_vars_eNB->lte_frame_parms.N_RB_UL*12*pilot_pos2],
             phy_vars_eNB->lte_frame_parms.N_RB_UL*12*sizeof(int));
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    }
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#endif

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  if (subframe==4) {
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    emos_dump_eNB.timestamp = rt_get_time_ns();
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    emos_dump_eNB.frame_tx = phy_vars_eNB->proc[subframe].frame_rx;
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    emos_dump_eNB.rx_total_gain_dB = phy_vars_eNB->rx_total_gain_eNB_dB;
    emos_dump_eNB.mimo_mode = phy_vars_eNB->transmission_mode[0];
    memcpy(&emos_dump_eNB.PHY_measurements_eNB,
           &phy_vars_eNB->PHY_measurements_eNB[0],
           sizeof(PHY_MEASUREMENTS_eNB));
    memcpy(&emos_dump_eNB.eNB_UE_stats[0],&phy_vars_eNB->eNB_UE_stats[0],NUMBER_OF_UE_MAX*sizeof(LTE_eNB_UE_stats));

    bytes = rtf_put(CHANSOUNDER_FIFO_MINOR, &emos_dump_eNB, sizeof(fifo_dump_emos_eNB));
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    //bytes = rtf_put(CHANSOUNDER_FIFO_MINOR, "test", sizeof("test"));
    if (bytes!=sizeof(fifo_dump_emos_eNB)) {
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      LOG_W(PHY,"[eNB %d] Frame %d, subframe %d, Problem writing EMOS data to FIFO (bytes=%d, size=%d)\n",
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            phy_vars_eNB->Mod_id,phy_vars_eNB->proc[(subframe+1)%10].frame_rx, subframe,bytes,sizeof(fifo_dump_emos_eNB));
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    } else {
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      if (phy_vars_eNB->proc[(subframe+1)%10].frame_tx%100==0) {
        LOG_I(PHY,"[eNB %d] Frame %d (%d), subframe %d, Writing %d bytes EMOS data to FIFO\n",
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              phy_vars_eNB->Mod_id,phy_vars_eNB->proc[(subframe+1)%10].frame_rx, ((fifo_dump_emos_eNB*)&emos_dump_eNB)->frame_tx, subframe, bytes);
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      }
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    }
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  }
}
#endif

#ifndef OPENAIR2
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void fill_dci(DCI_PDU *DCI_pdu, uint8_t sched_subframe, PHY_VARS_eNB *phy_vars_eNB)
{
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  int i;
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  uint8_t cooperation_flag = phy_vars_eNB->cooperation_flag;
  uint8_t transmission_mode = phy_vars_eNB->transmission_mode[0];
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  uint32_t rballoc = 0x7FFF;
  uint32_t rballoc2 = 0x000F;
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  int subframe = phy_vars_eNB->proc[sched_subframe].subframe_tx;
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  /*
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    uint32_t rand = taus();
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    if ((subframe==8) || (subframe==9) || (subframe==0))
    rand = (rand%5)+5;
    else
    rand = (rand%4)+5;
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  */
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  uint32_t bcch_pdu;
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  uint64_t dlsch_pdu;
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  DCI_pdu->Num_common_dci = 0;
  DCI_pdu->Num_ue_spec_dci=0;

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  switch (subframe) {
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  case 5:
    DCI_pdu->Num_common_dci = 1;
    DCI_pdu->dci_alloc[0].L          = 2;
    DCI_pdu->dci_alloc[0].rnti       = SI_RNTI;
    DCI_pdu->dci_alloc[0].format     = format1A;
    DCI_pdu->dci_alloc[0].ra_flag    = 0;
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    switch (phy_vars_eNB->lte_frame_parms.N_RB_DL) {
    case 6:
      if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
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        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_1_5MHz_FDD_t;
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        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_1_5MHz_FDD_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_1_5MHz_TDD_1_6_t));
      } else {
        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_1_5MHz_TDD_1_6_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_1_5MHz_TDD_1_6_t));
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      }
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      break;
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    case 25:
    default:
      if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
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        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_5MHz_FDD_t;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_5MHz_FDD_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_5MHz_TDD_1_6_t));
      } else {
        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_5MHz_TDD_1_6_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_5MHz_TDD_1_6_t));
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      }
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      break;
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    case 50:
      if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
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        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_10MHz_FDD_t;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_10MHz_FDD_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_10MHz_TDD_1_6_t));
      } else {
        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_10MHz_TDD_1_6_t;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_10MHz_TDD_1_6_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_10MHz_TDD_1_6_t));
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      }
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      break;

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    case 100:
      if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
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        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_20MHz_FDD_t;
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        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_20MHz_FDD_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_20MHz_TDD_1_6_t));
      } else {
        DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_20MHz_TDD_1_6_t;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->type              = 1;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->vrb_type          = 0;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->rballoc           = computeRIV(25,10,3);
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->rv                = 1;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->mcs               = 1;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->harq_pid          = 0;
        ((DCI1A_20MHz_TDD_1_6_t*)&bcch_pdu)->TPC               = 1;      // set to 3 PRB
        memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&bcch_pdu,sizeof(DCI1A_20MHz_TDD_1_6_t));
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      }
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      break;
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    }
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  case 6:
    /*
      DCI_pdu->Num_ue_spec_dci = 1;
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI2_5MHz_2A_M10PRB_TDD_t;
      DCI_pdu->dci_alloc[0].L          = 2;
      DCI_pdu->dci_alloc[0].rnti       = 0x1236;
      DCI_pdu->dci_alloc[0].format     = format2_2A_M10PRB;
      DCI_pdu->dci_alloc[0].ra_flag    = 0;

      DLSCH_alloc_pdu1.rballoc          = 0x00ff;
      DLSCH_alloc_pdu1.TPC              = 0;
      DLSCH_alloc_pdu1.dai              = 0;
      DLSCH_alloc_pdu1.harq_pid         = 0;
      DLSCH_alloc_pdu1.tb_swap          = 0;
      DLSCH_alloc_pdu1.mcs1             = 0;
      DLSCH_alloc_pdu1.ndi1             = 1;
      DLSCH_alloc_pdu1.rv1              = 0;
      DLSCH_alloc_pdu1.tpmi             = 0;
      memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&DLSCH_alloc_pdu1,sizeof(DCI2_5MHz_2A_M10PRB_TDD_t));
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    */
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    break;
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  case 7:
    DCI_pdu->Num_ue_spec_dci = 1;
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    DCI_pdu->dci_alloc[0].L          = 2;
    DCI_pdu->dci_alloc[0].rnti       = 0x1235;
    DCI_pdu->dci_alloc[0].format     = format1;
    DCI_pdu->dci_alloc[0].ra_flag    = 0;
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    if (transmission_mode<3) {
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      //user 1
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      switch (phy_vars_eNB->lte_frame_parms.N_RB_DL) {
      case 25:
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        if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
          DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_5MHz_FDD_t;

          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          //((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&dlsch_pdu,sizeof(DCI1_5MHz_TDD_t));

          /*
          //user2
          DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_5MHz_TDD_t;
          DCI_pdu->dci_alloc[1].L          = 2;
          DCI_pdu->dci_alloc[1].rnti       = 0x1236;
          DCI_pdu->dci_alloc[1].format     = format1;
          DCI_pdu->dci_alloc[1].ra_flag    = 0;

          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc2;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 1;
          //((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->ndi              = 1;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&((DCI1_5MHz_FDD_t *)&dlsch_pdu)->,sizeof(DCI1_5MHz_TDD_t));
          */
        } else {
          DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_5MHz_TDD_t;

          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->rballoc          = rballoc;
          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->harq_pid         = 0;
          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          //((DCI1_5MHz_TDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
          ((DCI1_5MHz_TDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&dlsch_pdu,sizeof(DCI1_5MHz_TDD_t));

          /*
          //user2
          DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_5MHz_TDD_t;
          DCI_pdu->dci_alloc[1].L          = 2;
          DCI_pdu->dci_alloc[1].rnti       = 0x1236;
          DCI_pdu->dci_alloc[1].format     = format1;
          DCI_pdu->dci_alloc[1].ra_flag    = 0;

          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc2;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 1;
          //((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->ndi              = 1;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&((DCI1_5MHz_FDD_t *)&dlsch_pdu)->,sizeof(DCI1_5MHz_TDD_t));
          */
        }

        break;

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        if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
          DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_10MHz_FDD_t;

          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 0;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          //((DCI1_10MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&dlsch_pdu,sizeof(DCI1_10MHz_TDD_t));

          /*
          //user2
          DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_10MHz_TDD_t;
          DCI_pdu->dci_alloc[1].L          = 2;
          DCI_pdu->dci_alloc[1].rnti       = 0x1236;
          DCI_pdu->dci_alloc[1].format     = format1;
          DCI_pdu->dci_alloc[1].ra_flag    = 0;

          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc2;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 1;
          //((DCI1_10MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->ndi              = 1;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&((DCI1_10MHz_FDD_t *)&dlsch_pdu)->,sizeof(DCI1_10MHz_TDD_t));
          */
        } else {
          DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_10MHz_TDD_t;

          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->rballoc          = rballoc;
          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->harq_pid         = 0;
          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          //((DCI1_10MHz_TDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
          ((DCI1_10MHz_TDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&dlsch_pdu,sizeof(DCI1_10MHz_TDD_t));

          /*
          //user2
          DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_10MHz_TDD_t;
          DCI_pdu->dci_alloc[1].L          = 2;
          DCI_pdu->dci_alloc[1].rnti       = 0x1236;
          DCI_pdu->dci_alloc[1].format     = format1;
          DCI_pdu->dci_alloc[1].ra_flag    = 0;

          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc2;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 1;
          //((DCI1_10MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->ndi              = 1;
          ((DCI1_10MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&((DCI1_10MHz_FDD_t *)&dlsch_pdu)->,sizeof(DCI1_10MHz_TDD_t));
          */
        }

        break;

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        if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
          DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_5MHz_FDD_t;

          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          //((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&dlsch_pdu,sizeof(DCI1_5MHz_TDD_t));

          /*
          //user2
          DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_5MHz_TDD_t;
          DCI_pdu->dci_alloc[1].L          = 2;
          DCI_pdu->dci_alloc[1].rnti       = 0x1236;
          DCI_pdu->dci_alloc[1].format     = format1;
          DCI_pdu->dci_alloc[1].ra_flag    = 0;

          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc2;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 1;
          //((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->ndi              = 1;
          ((DCI1_5MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&((DCI1_5MHz_FDD_t *)&dlsch_pdu)->,sizeof(DCI1_5MHz_TDD_t));
          */
        } else {
          DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_20MHz_TDD_t;

          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->rballoc          = rballoc;
          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->harq_pid         = 0;
          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          //((DCI1_20MHz_TDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
          ((DCI1_20MHz_TDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&dlsch_pdu,sizeof(DCI1_20MHz_TDD_t));

          /*
          //user2
          DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_20MHz_TDD_t;
          DCI_pdu->dci_alloc[1].L          = 2;
          DCI_pdu->dci_alloc[1].rnti       = 0x1236;
          DCI_pdu->dci_alloc[1].format     = format1;
          DCI_pdu->dci_alloc[1].ra_flag    = 0;

          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->rballoc          = rballoc2;
          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->TPC              = 0;
          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->dai              = 0;
          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->harq_pid         = 1;
          //((DCI1_20MHz_FDD_t *)&dlsch_pdu)->mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->mcs              = openair_daq_vars.target_ue_dl_mcs;
          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->ndi              = 1;
          ((DCI1_20MHz_FDD_t *)&dlsch_pdu)->rv               = 0;
          memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&((DCI1_20MHz_FDD_t *)&dlsch_pdu)->,sizeof(DCI1_5MHz_TDD_t));
          */
        }

        break;
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      }
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    } else if (transmission_mode==5) {
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      DCI_pdu->Num_ue_spec_dci = 2;
      // user 1
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      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t;
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      DCI_pdu->dci_alloc[0].L          = 3;
      DCI_pdu->dci_alloc[0].rnti       = 0x1235;
      DCI_pdu->dci_alloc[0].format     = format1E_2A_M10PRB;
      DCI_pdu->dci_alloc[0].ra_flag    = 0;
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      DLSCH_alloc_pdu1E.tpmi             = 5; //5=use feedback
      DLSCH_alloc_pdu1E.rv               = 0;
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      DLSCH_alloc_pdu1E.ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
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      //DLSCH_alloc_pdu1E.mcs            = cqi_to_mcs[phy_vars_eNB->eNB_UE_stats->DL_cqi[0]];
      //DLSCH_alloc_pdu1E.mcs            = (unsigned char) (taus()%28);
      DLSCH_alloc_pdu1E.mcs              = openair_daq_vars.target_ue_dl_mcs;
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      //DLSCH_alloc_pdu1E.mcs            = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);
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      phy_vars_eNB->eNB_UE_stats[0].dlsch_mcs1 = DLSCH_alloc_pdu1E.mcs;
      DLSCH_alloc_pdu1E.harq_pid         = 0;
      DLSCH_alloc_pdu1E.dai              = 0;
      DLSCH_alloc_pdu1E.TPC              = 0;
      DLSCH_alloc_pdu1E.rballoc          = openair_daq_vars.ue_dl_rb_alloc;
      DLSCH_alloc_pdu1E.rah              = 0;
      DLSCH_alloc_pdu1E.dl_power_off     = 0; //0=second user present
      memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&DLSCH_alloc_pdu1E,sizeof(DCI1E_5MHz_2A_M10PRB_TDD_t));
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      //user 2
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      DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t;
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      DCI_pdu->dci_alloc[1].L          = 0;
      DCI_pdu->dci_alloc[1].rnti       = 0x1236;
      DCI_pdu->dci_alloc[1].format     = format1E_2A_M10PRB;
      DCI_pdu->dci_alloc[1].ra_flag    = 0;
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      //DLSCH_alloc_pdu1E.mcs            = openair_daq_vars.target_ue_dl_mcs;
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      //DLSCH_alloc_pdu1E.mcs            = (unsigned char) (taus()%28);
      //DLSCH_alloc_pdu1E.mcs            = (unsigned char) ((phy_vars_eNB->frame%1024)%28);
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      DLSCH_alloc_pdu1E.mcs            = (unsigned char) (((phy_vars_eNB->proc[sched_subframe].frame_tx%1024)/3)%28);
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      phy_vars_eNB->eNB_UE_stats[1].dlsch_mcs1 = DLSCH_alloc_pdu1E.mcs;
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      memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&DLSCH_alloc_pdu1E,sizeof(DCI1E_5MHz_2A_M10PRB_TDD_t));

      // set the precoder of the second UE orthogonal to the first
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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);
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    }
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    break;
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    /*
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      case 8:
      DCI_pdu->Num_common_dci = 1;
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
      DCI_pdu->dci_alloc[0].L          = 2;
      DCI_pdu->dci_alloc[0].rnti       = 0xbeef;
      DCI_pdu->dci_alloc[0].format     = format1A;
      DCI_pdu->dci_alloc[0].ra_flag    = 1;

      RA_alloc_pdu.type                = 1;
      RA_alloc_pdu.vrb_type            = 0;
      RA_alloc_pdu.rballoc             = computeRIV(25,12,3);
      RA_alloc_pdu.ndi      = 1;
      RA_alloc_pdu.rv       = 1;
      RA_alloc_pdu.mcs      = 4;
      RA_alloc_pdu.harq_pid = 0;
      RA_alloc_pdu.TPC      = 1;

      memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&RA_alloc_pdu,sizeof(DCI1A_5MHz_TDD_1_6_t));
      break;
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    */
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  case 9:
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    DCI_pdu->Num_ue_spec_dci = 1;
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    //user 1
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    if (phy_vars_eNB->lte_frame_parms.frame_type == FDD)
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      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI0_5MHz_FDD_t ;
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    else
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      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI0_5MHz_TDD_1_6_t ;

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    DCI_pdu->dci_alloc[0].L          = 2;
    DCI_pdu->dci_alloc[0].rnti       = 0x1235;
    DCI_pdu->dci_alloc[0].format     = format0;
    DCI_pdu->dci_alloc[0].ra_flag    = 0;

    UL_alloc_pdu.type    = 0;
    UL_alloc_pdu.hopping = 0;
    UL_alloc_pdu.rballoc = computeRIV(25,2,openair_daq_vars.ue_ul_nb_rb);
    UL_alloc_pdu.mcs     = openair_daq_vars.target_ue_ul_mcs;
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    UL_alloc_pdu.ndi     = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
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    UL_alloc_pdu.TPC     = 0;
    UL_alloc_pdu.cshift  = 0;
    UL_alloc_pdu.dai     = 0;
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    UL_alloc_pdu.cqi_req = 1;
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    memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&UL_alloc_pdu,sizeof(DCI0_5MHz_TDD_1_6_t));
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    // user 2
    /*
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    DCI_pdu->dci_alloc[1].L          = 2;
    DCI_pdu->dci_alloc[1].rnti       = 0x1236;
    DCI_pdu->dci_alloc[1].format     = format0;
    DCI_pdu->dci_alloc[1].ra_flag    = 0;

    UL_alloc_pdu.type    = 0;
    UL_alloc_pdu.hopping = 0;
    if (cooperation_flag==0)
      UL_alloc_pdu.rballoc = computeRIV(25,2+openair_daq_vars.ue_ul_nb_rb,openair_daq_vars.ue_ul_nb_rb);
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    else
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      UL_alloc_pdu.rballoc = computeRIV(25,0,openair_daq_vars.ue_ul_nb_rb);
    UL_alloc_pdu.mcs     = openair_daq_vars.target_ue_ul_mcs;
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    UL_alloc_pdu.ndi     = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
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    UL_alloc_pdu.TPC     = 0;
    if ((cooperation_flag==0) || (cooperation_flag==1))
      UL_alloc_pdu.cshift  = 0;
    else
      UL_alloc_pdu.cshift  = 1;
    UL_alloc_pdu.dai     = 0;
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    UL_alloc_pdu.cqi_req = 1;
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    memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&UL_alloc_pdu,sizeof(DCI0_5MHz_TDD_1_6_t));
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    */
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    break;

  default:
    break;
  }

  DCI_pdu->nCCE = 0;
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  for (i=0; i<DCI_pdu->Num_common_dci+DCI_pdu->Num_ue_spec_dci; i++) {
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    DCI_pdu->nCCE += (1<<(DCI_pdu->dci_alloc[i].L));
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  }

}

#ifdef EMOS
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void fill_dci_emos(DCI_PDU *DCI_pdu, uint8_t subframe, PHY_VARS_eNB *phy_vars_eNB)
{
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  int i;
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  uint8_t cooperation_flag = phy_vars_eNB->cooperation_flag;
  uint8_t transmission_mode = phy_vars_eNB->transmission_mode[0];
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  //uint32_t rballoc = 0x00F0;
  //uint32_t rballoc2 = 0x000F;
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  /*
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    uint32_t rand = taus();
    if ((subframe==8) || (subframe==9) || (subframe==0))
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    rand = (rand%5)+5;
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    else
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    rand = (rand%4)+5;
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  */
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  DCI_pdu->Num_common_dci = 0;
  DCI_pdu->Num_ue_spec_dci=0;

  switch (subframe) {
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  case 5:
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    DCI_pdu->Num_ue_spec_dci = 1;
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    if (transmission_mode<3) {
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      //user 1
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      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_5MHz_TDD_t;
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      DCI_pdu->dci_alloc[0].L          = 2;
      DCI_pdu->dci_alloc[0].rnti       = 0x1235;
      DCI_pdu->dci_alloc[0].format     = format1;
      DCI_pdu->dci_alloc[0].ra_flag    = 0;
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      DLSCH_alloc_pdu.rballoc          = openair_daq_vars.ue_dl_rb_alloc;
      DLSCH_alloc_pdu.TPC              = 0;
      DLSCH_alloc_pdu.dai              = 0;
      DLSCH_alloc_pdu.harq_pid         = 1;
      DLSCH_alloc_pdu.mcs              = openair_daq_vars.target_ue_dl_mcs;
      DLSCH_alloc_pdu.ndi              = 1;
      DLSCH_alloc_pdu.rv               = 0;
      memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&DLSCH_alloc_pdu,sizeof(DCI1_5MHz_TDD_t));

      /*
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      //user2
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      DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1_5MHz_TDD_t;
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      DCI_pdu->dci_alloc[1].L          = 2;
      DCI_pdu->dci_alloc[1].rnti       = 0x1236;
      DCI_pdu->dci_alloc[1].format     = format1;
      DCI_pdu->dci_alloc[1].ra_flag    = 0;
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      DLSCH_alloc_pdu.rballoc          = rballoc2;
      DLSCH_alloc_pdu.TPC              = 0;
      DLSCH_alloc_pdu.dai              = 0;
      DLSCH_alloc_pdu.harq_pid         = 1;
      DLSCH_alloc_pdu.mcs              = openair_daq_vars.target_ue_dl_mcs;
      DLSCH_alloc_pdu.ndi              = 1;
      DLSCH_alloc_pdu.rv               = 0;
      memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&DLSCH_alloc_pdu,sizeof(DCI1_5MHz_TDD_t));
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      */
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    } else if (transmission_mode==5) {
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      DCI_pdu->Num_ue_spec_dci = 2;
      // user 1
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      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t;
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      DCI_pdu->dci_alloc[0].L          = 2;
      DCI_pdu->dci_alloc[0].rnti       = 0x1235;
      DCI_pdu->dci_alloc[0].format     = format1E_2A_M10PRB;
      DCI_pdu->dci_alloc[0].ra_flag    = 0;
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      DLSCH_alloc_pdu1E.tpmi             = 5; //5=use feedback
      DLSCH_alloc_pdu1E.rv               = 0;
      DLSCH_alloc_pdu1E.ndi              = 1;
      DLSCH_alloc_pdu1E.mcs              = openair_daq_vars.target_ue_dl_mcs;
      DLSCH_alloc_pdu1E.harq_pid         = 1;
      DLSCH_alloc_pdu1E.dai              = 0;
      DLSCH_alloc_pdu1E.TPC              = 0;
      DLSCH_alloc_pdu1E.rballoc          = openair_daq_vars.ue_dl_rb_alloc;
      DLSCH_alloc_pdu1E.rah              = 0;
      DLSCH_alloc_pdu1E.dl_power_off     = 0; //0=second user present
      memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&DLSCH_alloc_pdu1E,sizeof(DCI1E_5MHz_2A_M10PRB_TDD_t));
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      //user 2
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      DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t;
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      DCI_pdu->dci_alloc[1].L          = 2;
      DCI_pdu->dci_alloc[1].rnti       = 0x1236;
      DCI_pdu->dci_alloc[1].format     = format1E_2A_M10PRB;
      DCI_pdu->dci_alloc[1].ra_flag    = 0;
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      memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&DLSCH_alloc_pdu1E,sizeof(DCI1E_5MHz_2A_M10PRB_TDD_t));

      // set the precoder of the second UE orthogonal to the first
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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);
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    }
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    break;

  case 7:
    DCI_pdu->Num_common_dci = 1;
    DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
    DCI_pdu->dci_alloc[0].L          = 2;
    DCI_pdu->dci_alloc[0].rnti       = 0xbeef;
    DCI_pdu->dci_alloc[0].format     = format1A;
    DCI_pdu->dci_alloc[0].ra_flag    = 1;

    RA_alloc_pdu.type                = 1;
    RA_alloc_pdu.vrb_type            = 0;
    RA_alloc_pdu.rballoc             = computeRIV(25,12,3);
    RA_alloc_pdu.ndi      = 1;
    RA_alloc_pdu.rv       = 1;
    RA_alloc_pdu.mcs      = 4;
    RA_alloc_pdu.harq_pid = 0;
    RA_alloc_pdu.TPC      = 1;

    memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&RA_alloc_pdu,sizeof(DCI1A_5MHz_TDD_1_6_t));
    break;

  case 9:
    DCI_pdu->Num_ue_spec_dci = 1;

    //user 1
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    DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI0_5MHz_TDD_1_6_t ;
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    DCI_pdu->dci_alloc[0].L          = 2;
    DCI_pdu->dci_alloc[0].rnti       = 0x1235;
    DCI_pdu->dci_alloc[0].format     = format0;
    DCI_pdu->dci_alloc[0].ra_flag    = 0;

    UL_alloc_pdu.type    = 0;
    UL_alloc_pdu.hopping = 0;
    UL_alloc_pdu.rballoc = computeRIV(25,0,openair_daq_vars.ue_ul_nb_rb);
    UL_alloc_pdu.mcs     = openair_daq_vars.target_ue_ul_mcs;
    UL_alloc_pdu.ndi     = 1;
    UL_alloc_pdu.TPC     = 0;
    UL_alloc_pdu.cshift  = 0;
    UL_alloc_pdu.dai     = 0;
    UL_alloc_pdu.cqi_req = 1;
    memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],(void *)&UL_alloc_pdu,sizeof(DCI0_5MHz_TDD_1_6_t));

    /*
    //user 2
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    DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI0_5MHz_TDD_1_6_t ;
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    DCI_pdu->dci_alloc[1].L          = 2;
    DCI_pdu->dci_alloc[1].rnti       = 0x1236;
    DCI_pdu->dci_alloc[1].format     = format0;
    DCI_pdu->dci_alloc[1].ra_flag    = 0;

    UL_alloc_pdu.type    = 0;
    UL_alloc_pdu.hopping = 0;
    if (cooperation_flag==0)
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knopp committed
1111
    UL_alloc_pdu.rballoc = computeRIV(25,2+openair_daq_vars.ue_ul_nb_rb,openair_daq_vars.ue_ul_nb_rb);
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    else
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    UL_alloc_pdu.rballoc = computeRIV(25,0,openair_daq_vars.ue_ul_nb_rb);
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    UL_alloc_pdu.mcs     = openair_daq_vars.target_ue_ul_mcs;
    UL_alloc_pdu.ndi     = 1;
    UL_alloc_pdu.TPC     = 0;
    if ((cooperation_flag==0) || (cooperation_flag==1))
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knopp committed
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    UL_alloc_pdu.cshift  = 0;
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    else
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    UL_alloc_pdu.cshift  = 1;
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    UL_alloc_pdu.dai     = 0;
    UL_alloc_pdu.cqi_req = 1;
    memcpy((void*)&DCI_pdu->dci_alloc[1].dci_pdu[0],(void *)&UL_alloc_pdu,sizeof(DCI0_5MHz_TDD_1_6_t));
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    */
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    break;
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  default:
    break;
  }

  DCI_pdu->nCCE = 0;
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  for (i=0; i<DCI_pdu->Num_common_dci+DCI_pdu->Num_ue_spec_dci; i++) {
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    DCI_pdu->nCCE += (1<<(DCI_pdu->dci_alloc[i].L));
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  }

}