phy_procedures_lte_eNb.c 143 KB
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/*******************************************************************************
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    OpenAirInterface 
    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
    along with OpenAirInterface.The full GNU General Public License is 
   included in this distribution in the file called "COPYING". If not, 
   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
  OpenAirInterface Dev  : openair4g-devel@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
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//#define DEBUG_ULSCH

#include "ARCH/CBMIMO1/DEVICE_DRIVER/extern.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/defs.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/from_grlib_softregs.h"

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

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//#define DIAG_PHY

#define NS_PER_SLOT 500000

#define PUCCH 1
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#define PUCCH1_THRES 15
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#define PUCCH1a_THRES 15
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extern inline unsigned int taus(void);
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};


unsigned int max_peak_val; 
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
static unsigned char I0_clear = 1;

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uint8_t is_SR_subframe(PHY_VARS_eNB *phy_vars_eNB,uint8_t UE_id,uint8_t sched_subframe) {

  int subframe = phy_vars_eNB->proc[sched_subframe].subframe_rx;
  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,
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	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) {
  uint8_t i;
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  //#ifdef DEBUG_PHY_PROC
  LOG_I(PHY,"[eNB %d] Adding UE with rnti %x\n",phy_vars_eNB->Mod_id,rnti);
  //#endif
  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)) {
      LOG_E(PHY,"Can't add UE, not enough memory allocated\n");
      return(-1);
    }
    else {
      if (phy_vars_eNB->eNB_UE_stats[i].crnti==0) {
	LOG_I(PHY,"UE_id %d associated with rnti %x\n",i, rnti);
	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;
	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) {
  uint8_t i;
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  //#ifdef DEBUG_PHY_PROC
  LOG_I(PHY,"eNB %d removing UE with rnti %x\n",phy_vars_eNB->Mod_id,rnti);
  //#endif
  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)) {
      LOG_E(PHY,"Can't remove UE, not enough memory allocated\n");
      return(-1);
    }
    else {
      if (phy_vars_eNB->eNB_UE_stats[i].crnti==rnti) {
	//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));
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	//	mac_exit_wrapper("Removing UE");	
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	return(i);
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      }
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    }
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  }

  return(-1);
}

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int8_t find_next_ue_index(PHY_VARS_eNB *phy_vars_eNB) {
  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) {
      /*if ((phy_vars_eNB->dlsch_eNB[i]) && 
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	(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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  }
  return(-1);
}

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int get_ue_active_harq_pid(uint8_t Mod_id,uint8_t CC_id,uint16_t rnti,int frame, uint8_t subframe,uint8_t *harq_pid,uint8_t *round,uint8_t ul_flag) {
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  LTE_eNB_DLSCH_t *DLSCH_ptr;  
  LTE_eNB_ULSCH_t *ULSCH_ptr;  
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  //  uint8_t subframe_m4;
  uint8_t ulsch_subframe,ulsch_frame; 
  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 frame    = PHY_vars_eNB_g[Mod_id][CC_id]->proc[sched_subframe].frame_tx;
  //  int subframe = PHY_vars_eNB_g[Mod_id][CC_id]->proc[sched_subframe].subframe_tx;
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  if (UE_id==-1) {
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    LOG_E(PHY,"Cannot find UE with rnti %x\n",rnti);
    *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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    /*
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#ifdef DEBUG_PHY_PROC
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    LOG_D(PHY,"[eNB %d] get_ue_active_harq_pid: Frame %d subframe %d, current harq_id %d\n",
	  Mod_id,frame,subframe,DLSCH_ptr->harq_ids[subframe]);
#endif
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    */
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    // switch on TDD or FDD configuration here later
    *harq_pid = DLSCH_ptr->harq_ids[subframe];
    if ((*harq_pid<DLSCH_ptr->Mdlharq) && 
	((DLSCH_ptr->harq_processes[*harq_pid]->round > 0))) {

      *round = DLSCH_ptr->harq_processes[*harq_pid]->round;
      LOG_D(PHY,"round %d\n",*round);
    
      //    else if ((subframe_m4==5) || (subframe_m4==6)) {
      //      *harq_pid = 0;//DLSCH_ptr->harq_ids[subframe_m4];//Ankit
      //     *round    = DLSCH_ptr->harq_processes[*harq_pid]->round;
      //    }
    }
    else {
      // get first free harq_pid (i.e. round 0)
      for (i=0;i<DLSCH_ptr->Mdlharq;i++) {
	if (DLSCH_ptr->harq_processes[i]!=NULL) {
	  if (DLSCH_ptr->harq_processes[i]->status != ACTIVE) {
	    *harq_pid = i;//0;//i; //(Ankit)
	    *round = 0;
	    return(0);
	  }
	  else {
	    LOG_D(PHY,"process %d is active\n",i);
	  }
	}
	else {
	  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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  }
  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);
    *round    = ULSCH_ptr->harq_processes[*harq_pid]->round;
    LOG_D(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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  }
  return(0);
}


int CCE_table[800];

void init_nCCE_table(void) {
  memset(CCE_table,0,800*sizeof(int));
}


int get_nCCE_offset(unsigned char L, int nCCE, int common_dci, unsigned short rnti, unsigned char subframe) {

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  int search_space_free,m,nb_candidates = 0,l,i;
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  unsigned int Yk;
  /*
    printf("CCE Allocation: ");
    for (i=0;i<nCCE;i++)
    printf("%d.",CCE_table[i]);
    printf("\n");
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  */
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  if (common_dci == 1) {
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    // check CCE(0 ... L-1)
    nb_candidates = (L==4) ? 4 : 2;
    for (m = 0 ; m < nb_candidates ; m++) {
      search_space_free = 1;
      for (l=0;l<L;l++) {
	if (CCE_table[(m*L) + l] == 1) {
	  search_space_free = 0;
	  break;
	}
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      }
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      if (search_space_free == 1) {
	for (l=0;l<L;l++)
	  CCE_table[(m*L)+l]=1;
	return(m*L);
      }
    }
    return(-1);
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  }
  else {  // Find first available in ue specific search space
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          // according to procedure in Section 9.1.1 of 36.213 (v. 8.6)
    // compute Yk
    Yk = (unsigned int)rnti;

    for (i=0;i<=subframe;i++)
      Yk = (Yk*39827)%65537;

    Yk = Yk % (nCCE/L);


    switch (L) {
    case 1:
    case 2:
      nb_candidates = 6;
      break;
    case 4:
    case 8:
      nb_candidates = 2;
      break;
    default:
      DevParam(L, nCCE, rnti);
      break;
    }

    //        LOG_I(PHY,"rnti %x, Yk = %d, nCCE %d (nCCE/L %d),nb_cand %d\n",rnti,Yk,nCCE,nCCE/L,nb_candidates);

    for (m = 0 ; m < nb_candidates ; m++) {
      search_space_free = 1;
      for (l=0;l<L;l++) {
	if (CCE_table[(((Yk+m)%(nCCE/L))*L) + l] == 1) {
	  search_space_free = 0;
	  break;
	}
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      }
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      if (search_space_free == 1) {
	for (l=0;l<L;l++)
	  CCE_table[(((Yk+m)%(nCCE/L))*L)+l]=1;
	return(((Yk+m)%(nCCE/L))*L);
      }
    }
    return(-1);
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  }
}

#ifdef EMOS
void phy_procedures_emos_eNB_TX(unsigned char next_slot, PHY_VARS_eNB *phy_vars_eNB) {

}
#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) {
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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,
			    0,
			    phy_vars_eNB->first_run_I0_measurements);
  }
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#ifdef PHY_ABSTRACTION
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  else {
    lte_eNB_I0_measurements_emul(phy_vars_eNB,
				 0);
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  }
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#endif

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  if (I0_clear == 1)
    I0_clear = 0;
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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;

#ifdef EMOS_CHANNEL
  //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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    }
#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;
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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));
    //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",
            phy_vars_eNB->Mod_id,phy_vars_eNB->frame, 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",
              phy_vars_eNB->Mod_id,phy_vars_eNB->proc[(subframe+1)%10]->frame_tx, ((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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  DCI_pdu->Num_common_dci = 0;
  DCI_pdu->Num_ue_spec_dci=0;

  switch (subframe) {
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  case 5:
    DCI_pdu->Num_common_dci = 1;
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    if (phy_vars_eNB->lte_frame_parms.frame_type == FDD)
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_5MHz_FDD_t;
    else
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1A_5MHz_TDD_1_6_t;
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    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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    BCCH_alloc_pdu.type              = 1;
    BCCH_alloc_pdu.vrb_type          = 0;
    BCCH_alloc_pdu.rballoc           = computeRIV(25,10,3);
    BCCH_alloc_pdu.ndi               = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
    BCCH_alloc_pdu.rv                = 1;
    BCCH_alloc_pdu.mcs               = 1;
    BCCH_alloc_pdu.harq_pid          = 0;
    BCCH_alloc_pdu.TPC               = 1;      // set to 3 PRB
    memcpy((void*)&DCI_pdu->dci_alloc[0].dci_pdu[0],&BCCH_alloc_pdu,sizeof(DCI1A_5MHz_TDD_1_6_t));
    break;
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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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    if (transmission_mode<3) {
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      //user 1
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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; 
      else
	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;
      
      DLSCH_alloc_pdu.rballoc          = rballoc;
      DLSCH_alloc_pdu.TPC              = 0;
      DLSCH_alloc_pdu.dai              = 0;
      DLSCH_alloc_pdu.harq_pid         = 0;
      DLSCH_alloc_pdu.mcs              = openair_daq_vars.target_ue_dl_mcs;
      //DLSCH_alloc_pdu.mcs              = (unsigned char) ((phy_vars_eNB->frame%1024)%28);      
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      DLSCH_alloc_pdu.ndi              = phy_vars_eNB->proc[sched_subframe].frame_tx&1;
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      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
      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;

      DLSCH_alloc_pdu.rballoc          = rballoc2;
      DLSCH_alloc_pdu.TPC              = 0;
      DLSCH_alloc_pdu.dai              = 0;
      DLSCH_alloc_pdu.harq_pid         = 1;
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      //DLSCH_alloc_pdu.mcs              = (unsigned char) ((phy_vars_eNB->proc[subframe].frame%1024)%28);      
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      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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    }
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    else if (transmission_mode==5) {
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      DCI_pdu->Num_ue_spec_dci = 2;
      // user 1
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t; 
      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;
      
      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));
      
      //user 2
      DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t; 
      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;
      //DLSCH_alloc_pdu1E.mcs            = openair_daq_vars.target_ue_dl_mcs; 
      //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;
      
      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
      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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      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)
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI0_5MHz_FDD_t ; 
    else
      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].dci_length = sizeof_DCI0_5MHz_TDD_1_6_t ; 
    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);
    else 
      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;
  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
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1_5MHz_TDD_t; 
      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;
      
      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
      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;
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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
      DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t; 
      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;
      
      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));
      
      //user 2
      DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI1E_5MHz_2A_M10PRB_TDD_t; 
      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;
      
      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
      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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    }
    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
    DCI_pdu->dci_alloc[0].dci_length = sizeof_DCI0_5MHz_TDD_1_6_t ; 
    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
    DCI_pdu->dci_alloc[1].dci_length = sizeof_DCI0_5MHz_TDD_1_6_t ; 
    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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    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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    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;
  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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  }

}
#endif //EMOS
#endif //OPENAIR2

#define AMP_OVER_SQRT2 ((AMP*ONE_OVER_SQRT2_Q15)>>15)
#define AMP_OVER_2 (AMP>>1)
int QPSK[4]={AMP_OVER_SQRT2|(AMP_OVER_SQRT2<<16),AMP_OVER_SQRT2|((65536-AMP_OVER_SQRT2)<<16),((65536-AMP_OVER_SQRT2)<<16)|AMP_OVER_SQRT2,((65536-AMP_OVER_SQRT2)<<16)|(65536-AMP_OVER_SQRT2)};
int QPSK2[4]={AMP_OVER_2|(AMP_OVER_2<<16),AMP_OVER_2|((65536-AMP_OVER_2)<<16),((65536-AMP_OVER_2)<<16)|AMP_OVER_2,((65536-AMP_OVER_2)<<16)|(65536-AMP_OVER_2)};

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#if defined(ENABLE_ITTI)
#   if defined(ENABLE_RAL)
extern PHY_MEASUREMENTS PHY_measurements;

void phy_eNB_lte_measurement_thresholds_test_and_report(instance_t instanceP, ral_threshold_phy_t* threshold_phy_pP, uint16_t valP) {
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  MessageDef *message_p = NULL;
  if (
      (
       ((threshold_phy_pP->threshold.threshold_val <  valP) && (threshold_phy_pP->threshold.threshold_xdir == RAL_ABOVE_THRESHOLD)) ||
       ((threshold_phy_pP->threshold.threshold_val >  valP) && (threshold_phy_pP->threshold.threshold_xdir == RAL_BELOW_THRESHOLD))
       )  ||
      (threshold_phy_pP->threshold.threshold_xdir == RAL_NO_THRESHOLD)
      ){
    message_p = itti_alloc_new_message(TASK_PHY_ENB , PHY_MEAS_REPORT_IND);
    memset(&PHY_MEAS_REPORT_IND(message_p), 0, sizeof(PHY_MEAS_REPORT_IND(message_p)));

    memcpy(&PHY_MEAS_REPORT_IND (message_p).threshold,
	   &threshold_phy_pP->threshold,
	   sizeof(PHY_MEAS_REPORT_IND (message_p).threshold));

    memcpy(&PHY_MEAS_REPORT_IND (message_p).link_param,
	   &threshold_phy_pP->link_param,
	   sizeof(PHY_MEAS_REPORT_IND (message_p).link_param));\

    switch (threshold_phy_pP->link_param.choice) {
    case RAL_LINK_PARAM_CHOICE_LINK_PARAM_VAL:
      PHY_MEAS_REPORT_IND (message_p).link_param._union.link_param_val = valP;
      break;
    case RAL_LINK_PARAM_CHOICE_QOS_PARAM_VAL:
      //PHY_MEAS_REPORT_IND (message_p).link_param._union.qos_param_val.
      AssertFatal (1 == 0, "TO DO RAL_LINK_PARAM_CHOICE_QOS_PARAM_VAL\n");
      break;
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    }
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    itti_send_msg_to_task(TASK_RRC_ENB, instanceP, message_p);
  }
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}

void phy_eNB_lte_check_measurement_thresholds(instance_t instanceP, ral_threshold_phy_t* threshold_phy_pP) {
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  unsigned int  mod_id;

  mod_id = instanceP;

  switch (threshold_phy_pP->link_param.link_param_type.choice) {

  case RAL_LINK_PARAM_TYPE_CHOICE_GEN:
    switch (threshold_phy_pP->link_param.link_param_type._union.link_param_gen) {
    case RAL_LINK_PARAM_GEN_DATA_RATE:
      phy_eNB_lte_measurement_thresholds_test_and_report(instanceP, threshold_phy_pP, 0);
      break;
    case RAL_LINK_PARAM_GEN_SIGNAL_STRENGTH:
      phy_eNB_lte_measurement_thresholds_test_and_report(instanceP, threshold_phy_pP, 0);
      break;
    case RAL_LINK_PARAM_GEN_SINR:
      phy_eNB_lte_measurement_thresholds_test_and_report(instanceP, threshold_phy_pP, 0);
      break;
    case RAL_LINK_PARAM_GEN_THROUGHPUT:
      break;
    case RAL_LINK_PARAM_GEN_PACKET_ERROR_RATE:
      break;
    default:;
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    }
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    break;

  case RAL_LINK_PARAM_TYPE_CHOICE_LTE:
    switch (threshold_phy_pP->link_param.link_param_type._union.link_param_gen) {
    case RAL_LINK_PARAM_LTE_UE_RSRP:
      break;
    case RAL_LINK_PARAM_LTE_UE_RSRQ:
      break;
    case RAL_LINK_PARAM_LTE_UE_CQI:
      break;
    case RAL_LINK_PARAM_LTE_AVAILABLE_BW:
      break;
    case RAL_LINK_PARAM_LTE_PACKET_DELAY:
      break;
    case RAL_LINK_PARAM_LTE_PACKET_LOSS_RATE:
      break;
    case RAL_LINK_PARAM_LTE_L2_BUFFER_STATUS:
      break;
    case RAL_LINK_PARAM_LTE_MOBILE_NODE_CAPABILITIES:
      break;
    case RAL_LINK_PARAM_LTE_EMBMS_CAPABILITY:
      break;
    case RAL_LINK_PARAM_LTE_JUMBO_FEASIBILITY:
      break;
    case RAL_LINK_PARAM_LTE_JUMBO_SETUP_STATUS:
      break;
    case RAL_LINK_PARAM_LTE_NUM_ACTIVE_EMBMS_RECEIVERS_PER_FLOW:
      break;
    default:;
    }
    break;

  default:;
  }
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}
#   endif
#endif

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void phy_procedures_eNB_TX(unsigned char sched_subframe,PHY_VARS_eNB *phy_vars_eNB,uint8_t abstraction_flag,
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			   relaying_type_t r_type,PHY_VARS_RN *phy_vars_rn) {
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  uint8_t *pbch_pdu=&phy_vars_eNB->pbch_pdu[0];
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  //  unsigned int nb_dci_ue_spec = 0, nb_dci_common = 0;
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  uint16_t input_buffer_length, re_allocated=0;
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  uint32_t i,aa;
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  uint8_t harq_pid;
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  DCI_PDU *DCI_pdu;
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  uint8_t *DLSCH_pdu=NULL;
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#ifndef OPENAIR2
  DCI_PDU DCI_pdu_tmp;
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  uint8_t DLSCH_pdu_tmp[768*8];
  uint8_t rar;
#endif
  int8_t UE_id;
  uint8_t num_pdcch_symbols=0;
  int16_t crnti;
  uint16_t frame_tx;
  //  int16_t amp;
  uint8_t ul_subframe;
  uint32_t ul_frame;
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#ifdef Rel10
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  MCH_PDU *mch_pduP;
  MCH_PDU  mch_pdu;
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  uint8_t sync_area=255;
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#endif
#if defined(SMBV) && !defined(EXMIMO)
  // counts number of allocations in subframe
  // there is at least one allocation for PDCCH
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  uint8_t smbv_alloc_cnt = 1;
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#endif
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  int subframe = phy_vars_eNB->proc[sched_subframe].subframe_tx;
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  vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_ENB_TX,1);
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  start_meas(&phy_vars_eNB->phy_proc_tx);
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#ifdef DEBUG_PHY_PROC
  LOG_D(PHY,"[%s %d] Frame %d subframe %d : Doing phy_procedures_eNB_TX(%d)\n", 
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	(r_type == multicast_relay) ? "RN/eNB" : "eNB",
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	phy_vars_eNB->Mod_id,phy_vars_eNB->proc[sched_subframe].frame_tx, subframe, subframe);
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#endif
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#ifdef OPENAIR2
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  // Get scheduling info for next subframe 
  if (phy_vars_eNB->CC_id == 0)
    mac_xface->eNB_dlsch_ulsch_scheduler(phy_vars_eNB->Mod_id,0,phy_vars_eNB->proc[sched_subframe].frame_tx,subframe);//,1);
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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) {
    for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx_eNB;aa++) {
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      memset(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][subframe*phy_vars_eNB->lte_frame_parms.ofdm_symbol_size*(phy_vars_eNB->lte_frame_parms.symbols_per_tti)],
	     0,phy_vars_eNB->lte_frame_parms.ofdm_symbol_size*(phy_vars_eNB->lte_frame_parms.symbols_per_tti)*sizeof(mod_sym_t));
    }
  }
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  if (is_pmch_subframe(phy_vars_eNB->proc[sched_subframe].frame_tx,subframe,&phy_vars_eNB->lte_frame_parms)) {
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    if (abstraction_flag==0){
      // This is DL-Cell spec pilots in Control region
      generate_pilots_slot(phy_vars_eNB,
			   phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
			   AMP,
			   subframe<<1,1);
    }
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#ifdef Rel10
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    // if mcch is active, send regardless of the node type: eNB or RN
    // when mcch is active, MAC sched does not allow MCCH and MTCH multiplexing 
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    mch_pduP = mac_xface->get_mch_sdu(phy_vars_eNB->Mod_id,
				      phy_vars_eNB->CC_id,
				      phy_vars_eNB->proc[sched_subframe].frame_tx,
				      subframe);
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    switch (r_type){
    case no_relay:
      if ((mch_pduP->Pdu_size > 0) && (mch_pduP->sync_area == 0)) // TEST: only transmit mcch for sync area 0 
	//if ((mch_pduP->sync_area == 0)) // TEST: only transmit mcch for sync area 0 
	LOG_I(PHY,"[eNB%d] Frame %d subframe %d : Got MCH pdu for MBSFN (MCS %d, TBS %d) \n",
	      phy_vars_eNB->Mod_id,phy_vars_eNB->proc[sched_subframe].frame_tx,subframe,mch_pduP->mcs,
	      phy_vars_eNB->dlsch_eNB_MCH->harq_processes[0]->TBS>>3);
      else {
	LOG_D(PHY,"[DeNB %d] Frame %d subframe %d : Do not transmit MCH pdu for MBSFN sync area %d (%s)\n",
	      phy_vars_eNB->Mod_id,phy_vars_eNB->proc[sched_subframe].frame_tx,subframe,mch_pduP->sync_area,
	      (mch_pduP->Pdu_size == 0)? "Empty MCH PDU":"Let RN transmit for the moment");
	mch_pduP = NULL;
      }
      break;
    case multicast_relay:
      if ((mch_pduP->Pdu_size > 0) && ((mch_pduP->mcch_active == 1) || mch_pduP->msi_active==1)){
	//if (((mch_pduP->mcch_active == 1) || mch_pduP->msi_active==1)){
	LOG_I(PHY,"[RN %d] Frame %d subframe %d: Got the MCH PDU for MBSFN  sync area %d (MCS %d, TBS %d)\n",
	      phy_vars_rn->Mod_id,phy_vars_rn->frame, subframe,
	      mch_pduP->sync_area,mch_pduP->mcs,mch_pduP->Pdu_size);
      } else if (phy_vars_rn->mch_avtive[subframe%5] == 1){ // SF2 -> SF7, SF3 -> SF8
	mch_pduP= &mch_pdu;
	memcpy(&mch_pduP->payload, // could be a simple copy
	       phy_vars_rn->dlsch_rn_MCH[subframe%5]->harq_processes[0]->b,
	       phy_vars_rn->dlsch_rn_MCH[subframe%5]->harq_processes[0]->TBS>>3);
	mch_pduP->Pdu_size = (uint16_t) (phy_vars_rn->dlsch_rn_MCH[subframe%5]->harq_processes[0]->TBS>>3);
	mch_pduP->mcs = phy_vars_rn->dlsch_rn_MCH[subframe%5]->harq_processes[0]->mcs;
	LOG_I(PHY,"[RN %d] Frame %d subframe %d: Forward the MCH PDU for MBSFN received on SF %d sync area %d (MCS %d, TBS %d)\n",
	      phy_vars_rn->Mod_id,phy_vars_rn->frame, subframe,subframe%5,
	      phy_vars_rn->sync_area[subframe%5],mch_pduP->mcs,mch_pduP->Pdu_size);
      } else {
	/* LOG_I(PHY,"[RN %d] Frame %d subframe %d: do not forward MCH pdu for MBSFN  sync area %d (MCS %d, TBS %d)\n",
	   phy_vars_rn->Mod_id,phy_vars_rn->frame, next_slot>>1,
	   mch_pduP->sync_area,mch_pduP->mcs,mch_pduP->Pdu_size);*/
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	mch_pduP=NULL;
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      }
      phy_vars_rn->mch_avtive[subframe]=0;
      break;
    default:
      LOG_W(PHY,"[eNB %d] Frame %d subframe %d: unknown relaying type %d \n",
	    phy_vars_eNB->Mod_id,phy_vars_eNB->proc[sched_subframe].frame_tx,subframe,r_type);
      mch_pduP=NULL;
      break;
    }// switch 
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    if (mch_pduP){
      fill_eNB_dlsch_MCH(phy_vars_eNB,mch_pduP->mcs,1,0, abstraction_flag);
      // Generate PMCH
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      generate_mch(phy_vars_eNB,sched_subframe,(uint8_t*)mch_pduP->payload,abstraction_flag);
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#ifdef DEBUG_PHY
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      for (i=0;i<mch_pduP->Pdu_size;i++)
	msg("%2x.",(uint8_t)mch_pduP->payload[i]);
      msg("\n");
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#endif 
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    } else {
      LOG_D(PHY,"[eNB/RN] Frame %d subframe %d: MCH not generated \n",phy_vars_eNB->proc[sched_subframe].frame_tx,subframe);
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    }
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#endif
  }
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  else {
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    if (abstraction_flag==0){
      vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_RS_TX,1);
      generate_pilots_slot(phy_vars_eNB,
			   phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
			   AMP,
			   subframe<<1,0);
      generate_pilots_slot(phy_vars_eNB,
			   phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
			   AMP,
			   (subframe<<1)+1,0);
      vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_RS_TX,0);
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      // First half of PSS/SSS (FDD)
      if (subframe == 0) {
	if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
	  generate_pss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		       AMP,
		       &phy_vars_eNB->lte_frame_parms,
		       (phy_vars_eNB->lte_frame_parms.Ncp==0) ? 6 : 5,
		       0);
	  generate_sss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		       AMP,
		       &phy_vars_eNB->lte_frame_parms,
		       (phy_vars_eNB->lte_frame_parms.Ncp==0) ? 5 : 4,
		       0);
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	}
      }    
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    }
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  }
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  if (subframe == 0) {
    if ((phy_vars_eNB->proc[sched_subframe].frame_tx&3) == 0) {
      ((uint8_t*) pbch_pdu)[2] = 0;
      switch (phy_vars_eNB->lte_frame_parms.N_RB_DL) {
      case 6:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (0<<5);
	break;
      case 15:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (1<<5);
	break;
      case 25:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (2<<5);
	break;
      case 50:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (3<<5);
	break;
      case 75:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (4<<5);
	break;
      case 100:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (5<<5);
	break;
      default:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0x1f) | (2<<5);
	break;
      }
      ((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0xef) | 
	((phy_vars_eNB->lte_frame_parms.phich_config_common.phich_duration << 4)&0x10);
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      switch (phy_vars_eNB->lte_frame_parms.phich_config_common.phich_resource) {
      case oneSixth:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0xf3) | (0<<2);
	break;
      case half:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0xf3) | (1<<2);
	break;
      case one:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0xf3) | (2<<2);
	break;
      case two:
	((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0xf3) | (3<<2);
	break;
      default:
	break;
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      }
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      ((uint8_t*) pbch_pdu)[2] = (((uint8_t*) pbch_pdu)[2]&0xfc) | ((phy_vars_eNB->proc[sched_subframe].frame_tx>>8)&0x3);
      ((uint8_t*) pbch_pdu)[1] = phy_vars_eNB->proc[sched_subframe].frame_tx&0xfc;
      ((uint8_t*) pbch_pdu)[0] = 0;
    }
    /// First half of SSS (TDD)
    if (abstraction_flag==0) {
	
      if (phy_vars_eNB->lte_frame_parms.frame_type == TDD) {
	generate_sss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		     AMP,
		     &phy_vars_eNB->lte_frame_parms,
		     (phy_vars_eNB->lte_frame_parms.Ncp==0) ? 6 : 5,
		     1);
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      }
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    }
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1255
    frame_tx = (((int) (pbch_pdu[2]&0x3))<<8) + ((int) (pbch_pdu[1]&0xfc)) + phy_vars_eNB->proc[sched_subframe].frame_tx%4;
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#ifdef DEBUG_PHY_PROC
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    LOG_D(PHY,"[eNB %d] Frame %d, subframe %d: Generating PBCH, mode1_flag=%d, frame_tx=%d, pdu=%02x%02x%02x\n",
	  phy_vars_eNB->Mod_id,
	  phy_vars_eNB->proc[sched_subframe].frame_tx, 
	  subframe,
	  phy_vars_eNB->lte_frame_parms.mode1_flag,
	  frame_tx,
	  ((uint8_t*) pbch_pdu)[2],
	  ((uint8_t*) pbch_pdu)[1],
	  ((uint8_t*) pbch_pdu)[0]);
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#endif
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1269
    if (abstraction_flag==0) {
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      generate_pbch(&phy_vars_eNB->lte_eNB_pbch,
		    phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		    AMP,
		    &phy_vars_eNB->lte_frame_parms,
		    pbch_pdu,
		    phy_vars_eNB->proc[sched_subframe].frame_tx&3);
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    }
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#ifdef PHY_ABSTRACTION
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    else {
      generate_pbch_emul(phy_vars_eNB,pbch_pdu); 
    }
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#endif
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  }
1287
  
1288
  if (subframe == 1) {
1289
      
1290
    if (abstraction_flag==0) {
1291
	
1292 1293 1294 1295 1296 1297 1298
      if (phy_vars_eNB->lte_frame_parms.frame_type == TDD) {
	//	  printf("Generating PSS (frame %d, subframe %d)\n",phy_vars_eNB->proc[sched_subframe].frame_tx,next_slot>>1);
	generate_pss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		     AMP,
		     &phy_vars_eNB->lte_frame_parms,
		     2,
		     2);
1299
      }
1300 1301
    }
  } 
1302
  
1303 1304
  // Second half of PSS/SSS (FDD)
  if (subframe == 5) {
1305
      
1306
    if (abstraction_flag==0) {
1307
	
1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318
      if (phy_vars_eNB->lte_frame_parms.frame_type == FDD) {
	generate_pss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		     AMP,
		     &phy_vars_eNB->lte_frame_parms,
		     (phy_vars_eNB->lte_frame_parms.Ncp==0) ? 6 : 5,
		     10);
	generate_sss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		     AMP,
		     &phy_vars_eNB->lte_frame_parms,
		     (phy_vars_eNB->lte_frame_parms.Ncp==0) ? 5 : 4,
		     10);
1319
	  
1320
      }
1321
    }
1322 1323 1324 1325
  }
  //  Second-half of SSS (TDD)
  if (subframe == 5) {
    if (abstraction_flag==0) {
1326
	
1327 1328 1329 1330 1331 1332
      if (phy_vars_eNB->lte_frame_parms.frame_type == TDD) {
	generate_sss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		     AMP,
		     &phy_vars_eNB->lte_frame_parms,
		     (phy_vars_eNB->lte_frame_parms.Ncp==0) ? 6 : 5,
		     11);
1333
      }
1334
    }
1335 1336 1337
  }
  // Second half of PSS (TDD)
  if (subframe == 6) {
1338
      
1339
    if (abstraction_flag==0) {
1340
	
1341 1342 1343 1344 1345 1346 1347
      if (phy_vars_eNB->lte_frame_parms.frame_type == TDD) {
	//	    printf("Generating PSS (frame %d, subframe %d)\n",phy_vars_eNB->proc[sched_subframe].frame_tx,next_slot>>1);
	generate_pss(phy_vars_eNB->lte_eNB_common_vars.txdataF[0],
		     AMP,
		     &phy_vars_eNB->lte_frame_parms,
		     2,
		     12);
1348
      }
1349
    }
1350
  }
1351
    
1352 1353
  
  
1354
  //  sect_id=0;
1355
    
1356
#if defined(SMBV) && !defined(EXMIMO)
1357 1358 1359 1360