nr_init.c 28.4 KB
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/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

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#include "PHY/defs.h"
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#include "SCHED/defs.h"
#include "PHY/extern.h"
#include "SIMULATION/TOOLS/defs.h"
#include "RadioResourceConfigCommonSIB.h"
#include "RadioResourceConfigDedicated.h"
#include "TDD-Config.h"
#include "LAYER2/MAC/extern.h"
#include "MBSFN-SubframeConfigList.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "assertions.h"
#include <math.h>
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extern uint32_t from_earfcn(int eutra_bandP,uint32_t dl_earfcn);
extern int32_t get_uldl_offset(int eutra_bandP);

int l1_north_init_gNB() {

  int i,j;

  if (RC.nb_L1_inst > 0 && RC.nb_L1_CC != NULL && RC.gNB != NULL)
  {
    AssertFatal(RC.nb_L1_inst>0,"nb_L1_inst=%d\n",RC.nb_L1_inst);
    AssertFatal(RC.nb_L1_CC!=NULL,"nb_L1_CC is null\n");
    AssertFatal(RC.gNB!=NULL,"RC.gNB is null\n");

    LOG_I(PHY,"%s() RC.nb_L1_inst:%d\n", __FUNCTION__, RC.nb_L1_inst);

    for (i=0;i<RC.nb_L1_inst;i++) {
      AssertFatal(RC.gNB[i]!=NULL,"RC.gNB[%d] is null\n",i);
      AssertFatal(RC.nb_L1_CC[i]>0,"RC.nb_L1_CC[%d]=%d\n",i,RC.nb_L1_CC[i]);

      LOG_I(PHY,"%s() RC.nb_L1_CC[%d]:%d\n", __FUNCTION__, i,  RC.nb_L1_CC[i]);

      for (j=0;j<RC.nb_L1_CC[i];j++) {
        AssertFatal(RC.gNB[i][j]!=NULL,"RC.gNB[%d][%d] is null\n",i,j);

        if ((RC.gNB[i][j]->if_inst =  IF_Module_init(i))<0) return(-1); 

        LOG_I(PHY,"%s() RC.gNB[%d][%d] installing callbacks\n", __FUNCTION__, i,  j);

        RC.gNB[i][j]->if_inst->PHY_config_req = phy_config_request;
        RC.gNB[i][j]->if_inst->schedule_response = schedule_response;
      }
    }
  }
  else
  {
    LOG_I(PHY,"%s() Not installing PHY callbacks - RC.nb_L1_inst:%d RC.nb_L1_CC:%p RC.gNB:%p\n", __FUNCTION__, RC.nb_L1_inst, RC.nb_L1_CC, RC.gNB);
  }
  return(0);
}


int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
                     unsigned char is_secondary_gNB,
                     unsigned char abstraction_flag)
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{

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  // shortcuts
  NR_DL_FRAME_PARMS* const fp       = &gNB->frame_parms;
  nfapi_config_request_t* cfg       = &gNB->gNB_config;
  NR_gNB_COMMON* const common_vars  = &gNB->common_vars;
  LTE_eNB_PUSCH** const pusch_vars   = gNB->pusch_vars;
  LTE_eNB_SRS* const srs_vars        = gNB->srs_vars;
  LTE_eNB_PRACH* const prach_vars    = &gNB->prach_vars;

  int i, UE_id; 

  LOG_I(PHY,"[gNB %d] %s() About to wait for gNB to be configured", gNB->Mod_id, __FUNCTION__);

  gNB->total_dlsch_bitrate = 0;
  gNB->total_transmitted_bits = 0;
  gNB->total_system_throughput = 0;
  gNB->check_for_MUMIMO_transmissions=0;
 
  while(gNB->configured == 0) usleep(10000);
/*
  LOG_I(PHY,"[gNB %"PRIu8"] Initializing DL_FRAME_PARMS : N_RB_DL %"PRIu8", PHICH Resource %d, PHICH Duration %d nb_antennas_tx:%u nb_antennas_rx:%u PRACH[rootSequenceIndex:%u prach_Config_enabled:%u configIndex:%u highSpeed:%u zeroCorrelationZoneConfig:%u freqOffset:%u]\n",
        gNB->Mod_id,
        fp->N_RB_DL,fp->phich_config_common.phich_resource,
        fp->phich_config_common.phich_duration,
        fp->nb_antennas_tx, fp->nb_antennas_rx,
        fp->prach_config_common.rootSequenceIndex,
        fp->prach_config_common.prach_Config_enabled,
        fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
        fp->prach_config_common.prach_ConfigInfo.highSpeedFlag,
        fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
        fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset
        );*/
  LOG_D(PHY,"[MSC_NEW][FRAME 00000][PHY_gNB][MOD %02"PRIu8"][]\n", gNB->Mod_id);

/*
  lte_gold(fp,gNB->lte_gold_table,fp->Nid_cell);
  generate_pcfich_reg_mapping(fp);
  generate_phich_reg_mapping(fp);*/

  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
    gNB->first_run_timing_advance[UE_id] =
      1; ///This flag used to be static. With multiple gNBs this does no longer work, hence we put it in the structure. However it has to be initialized with 1, which is performed here.
    
    // clear whole structure
    bzero( &gNB->UE_stats[UE_id], sizeof(LTE_eNB_UE_stats) );
    
    gNB->physicalConfigDedicated[UE_id] = NULL;
  }
  
  gNB->first_run_I0_measurements = 1; ///This flag used to be static. With multiple gNBs this does no longer work, hence we put it in the structure. However it has to be initialized with 1, which is performed here.

    
  common_vars->rxdata  = (int32_t **)NULL;
  common_vars->txdataF = (int32_t **)malloc16(NB_ANTENNA_PORTS_ENB*sizeof(int32_t*));
  common_vars->rxdataF = (int32_t **)malloc16(64*sizeof(int32_t*));
  
  LOG_D(PHY,"[INIT] NB_ANTENNA_PORTS_ENB:%d fp->nb_antenna_ports_gNB:%d\n", NB_ANTENNA_PORTS_ENB, cfg->rf_config.tx_antenna_ports.value);

  for (i=0; i<NB_ANTENNA_PORTS_ENB; i++) {
    if (i<cfg->rf_config.tx_antenna_ports.value || i==5) {
      common_vars->txdataF[i] = (int32_t*)malloc16_clear(fp->samples_per_frame_wCP*sizeof(int32_t) );
      
      LOG_D(PHY,"[INIT] common_vars->txdataF[%d] = %p (%lu bytes)\n",
	    i,common_vars->txdataF[i],
	    fp->samples_per_frame_wCP*sizeof(int32_t));
    }
  }  
  
  
  // Channel estimates for SRS
  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
    
    srs_vars[UE_id].srs_ch_estimates      = (int32_t**)malloc16( 64*sizeof(int32_t*) );
    srs_vars[UE_id].srs_ch_estimates_time = (int32_t**)malloc16( 64*sizeof(int32_t*) );
    
    for (i=0; i<64; i++) {
      srs_vars[UE_id].srs_ch_estimates[i]      = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size );
      srs_vars[UE_id].srs_ch_estimates_time[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2 );
    }
  } //UE_id


  /*generate_ul_ref_sigs_rx();
  
  init_ulsch_power_LUT();*/

  // SRS
  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
    srs_vars[UE_id].srs = (int32_t*)malloc16_clear(2*fp->ofdm_symbol_size*sizeof(int32_t));
  }

  // PRACH
  prach_vars->prachF = (int16_t*)malloc16_clear( 1024*2*sizeof(int16_t) );

  // assume maximum of 64 RX antennas for PRACH receiver
  prach_vars->prach_ifft[0]    = (int32_t**)malloc16_clear(64*sizeof(int32_t*)); 
  for (i=0;i<64;i++) prach_vars->prach_ifft[0][i]    = (int32_t*)malloc16_clear(1024*2*sizeof(int32_t)); 

  prach_vars->rxsigF[0]        = (int16_t**)malloc16_clear(64*sizeof(int16_t*));

  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
    
    //FIXME
    pusch_vars[UE_id] = (LTE_eNB_PUSCH*)malloc16_clear( NUMBER_OF_UE_MAX*sizeof(LTE_eNB_PUSCH) );
    
    pusch_vars[UE_id]->rxdataF_ext      = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    pusch_vars[UE_id]->rxdataF_ext2     = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    pusch_vars[UE_id]->drs_ch_estimates = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    pusch_vars[UE_id]->drs_ch_estimates_time = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    pusch_vars[UE_id]->rxdataF_comp     = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    pusch_vars[UE_id]->ul_ch_mag  = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    pusch_vars[UE_id]->ul_ch_magb = (int32_t**)malloc16( 2*sizeof(int32_t*) );
    
    for (i=0; i<2; i++) {
      // RK 2 times because of output format of FFT!
      // FIXME We should get rid of this
      pusch_vars[UE_id]->rxdataF_ext[i]      = (int32_t*)malloc16_clear( sizeof(int32_t)*cfg->rf_config.ul_channel_bandwidth.value*12*fp->symbols_per_slot );
      pusch_vars[UE_id]->rxdataF_ext2[i]     = (int32_t*)malloc16_clear( sizeof(int32_t)*cfg->rf_config.ul_channel_bandwidth.value*12*fp->symbols_per_slot );
      pusch_vars[UE_id]->drs_ch_estimates[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*cfg->rf_config.ul_channel_bandwidth.value*12*fp->symbols_per_slot );
      pusch_vars[UE_id]->drs_ch_estimates_time[i] = (int32_t*)malloc16_clear( 2*sizeof(int32_t)*fp->ofdm_symbol_size );
      pusch_vars[UE_id]->rxdataF_comp[i]     = (int32_t*)malloc16_clear( sizeof(int32_t)*cfg->rf_config.ul_channel_bandwidth.value*12*fp->symbols_per_slot );
      pusch_vars[UE_id]->ul_ch_mag[i]  = (int32_t*)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*cfg->rf_config.ul_channel_bandwidth.value*12 );
      pusch_vars[UE_id]->ul_ch_magb[i] = (int32_t*)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*cfg->rf_config.ul_channel_bandwidth.value*12 );
      }
    
    pusch_vars[UE_id]->llr = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
  } //UE_id

    
  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++)
    gNB->UE_stats_ptr[UE_id] = &gNB->UE_stats[UE_id];
  
  gNB->pdsch_config_dedicated->p_a = dB0; //defaul value until overwritten by RRCConnectionReconfiguration
  

  return (0);

}

/*

void phy_config_request(PHY_Config_t *phy_config) {

  uint8_t Mod_id              = phy_config->Mod_id;
  int CC_id                   = phy_config->CC_id;
  nfapi_config_request_t *cfg = phy_config->cfg;


  LTE_DL_FRAME_PARMS *fp;
  PHICH_RESOURCE_t phich_resource_table[4]={oneSixth,half,one,two};
  int                 eutra_band     = cfg->nfapi_config.rf_bands.rf_band[0];  
  int                 dl_Bandwidth   = cfg->rf_config.dl_channel_bandwidth.value;
  int                 ul_Bandwidth   = cfg->rf_config.ul_channel_bandwidth.value;
  int                 Nid_cell       = cfg->sch_config.physical_cell_id.value;
  int                 Ncp            = cfg->subframe_config.dl_cyclic_prefix_type.value;
  int                 p_eNB          = cfg->rf_config.tx_antenna_ports.value;
  uint32_t            dl_CarrierFreq = cfg->nfapi_config.earfcn.value;

  LOG_I(PHY,"Configuring MIB for instance %d, CCid %d : (band %d,N_RB_DL %d, N_RB_UL %d, Nid_cell %d,eNB_tx_antenna_ports %d,Ncp %d,DL freq %u,phich_config.resource %d, phich_config.duration %d)\n",
	Mod_id, CC_id, eutra_band, dl_Bandwidth, ul_Bandwidth, Nid_cell, p_eNB,Ncp,dl_CarrierFreq,
	cfg->phich_config.phich_resource.value,
	cfg->phich_config.phich_duration.value);

  AssertFatal(RC.eNB != NULL, "PHY instance pointer doesn't exist\n");
  AssertFatal(RC.eNB[Mod_id] != NULL, "PHY instance %d doesn't exist\n",Mod_id);
  AssertFatal(RC.eNB[Mod_id][CC_id] != NULL, "PHY instance %d, CCid %d doesn't exist\n",Mod_id,CC_id);


  if (RC.eNB[Mod_id][CC_id]->configured == 1)
  {
    LOG_E(PHY,"Already eNB already configured, do nothing\n");
    return;
  }

  RC.eNB[Mod_id][CC_id]->mac_enabled     = 1;

  fp = &RC.eNB[Mod_id][CC_id]->frame_parms;

  fp->N_RB_DL                            = dl_Bandwidth;
  fp->N_RB_UL                            = ul_Bandwidth;
  fp->Nid_cell                           = Nid_cell;
  fp->nushift                            = fp->Nid_cell%6;
  fp->eutra_band                         = eutra_band;
  fp->Ncp                                = Ncp;
  fp->Ncp_UL                             = Ncp;
  fp->nb_antenna_ports_eNB               = p_eNB;

  fp->threequarter_fs                    = 0;

  AssertFatal(cfg->phich_config.phich_resource.value<4, "Illegal phich_Resource\n");

  fp->phich_config_common.phich_resource = phich_resource_table[cfg->phich_config.phich_resource.value];
  fp->phich_config_common.phich_duration = cfg->phich_config.phich_duration.value;
  // Note: "from_earfcn" has to be in a common library with MACRLC
  fp->dl_CarrierFreq                     = from_earfcn(eutra_band,dl_CarrierFreq);
  fp->ul_CarrierFreq                     = fp->dl_CarrierFreq - (get_uldl_offset(eutra_band)*100000);

  fp->tdd_config                         = 0;
  fp->tdd_config_S                       = 0;
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  if (fp->dl_CarrierFreq==fp->ul_CarrierFreq)
    fp->frame_type = TDD;
  else
    fp->frame_type = FDD;
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  init_frame_parms(fp,1);
  init_lte_top(fp);

  if (cfg->subframe_config.duplex_mode.value == 0) {
    fp->tdd_config    = cfg->tdd_frame_structure_config.subframe_assignment.value;
    fp->tdd_config_S  = cfg->tdd_frame_structure_config.special_subframe_patterns.value;
    fp->frame_type    = TDD;
  }
  else {
    fp->frame_type    = FDD;
  }

  fp->prach_config_common.rootSequenceIndex                          = cfg->prach_config.root_sequence_index.value;
  LOG_I(PHY,"prach_config_common.rootSequenceIndex = %d\n",cfg->prach_config.root_sequence_index.value);

  fp->prach_config_common.prach_Config_enabled=1;

  fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex          =cfg->prach_config.configuration_index.value;
  LOG_I(PHY,"prach_config_common.prach_ConfigInfo.prach_ConfigIndex = %d\n",cfg->prach_config.configuration_index.value);

  fp->prach_config_common.prach_ConfigInfo.highSpeedFlag              =cfg->prach_config.high_speed_flag.value;
  LOG_I(PHY,"prach_config_common.prach_ConfigInfo.highSpeedFlag = %d\n",cfg->prach_config.high_speed_flag.value);
  fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig  =cfg->prach_config.zero_correlation_zone_configuration.value;
  LOG_I(PHY,"prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig = %d\n",cfg->prach_config.zero_correlation_zone_configuration.value);
  fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset           =cfg->prach_config.frequency_offset.value;
  LOG_I(PHY,"prach_config_common.prach_ConfigInfo.prach_FreqOffset = %d\n",cfg->prach_config.frequency_offset.value);

  init_prach_tables(839);
  compute_prach_seq(fp->prach_config_common.rootSequenceIndex,
		    fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
		    fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
		    fp->prach_config_common.prach_ConfigInfo.highSpeedFlag,
		    fp->frame_type,
                    RC.eNB[Mod_id][CC_id]->X_u);

#ifdef Rel14
  fp->prach_emtc_config_common.prach_Config_enabled=1;

  fp->prach_emtc_config_common.rootSequenceIndex                                         = cfg->emtc_config.prach_catm_root_sequence_index.value;

  fp->prach_emtc_config_common.prach_ConfigInfo.highSpeedFlag                            = cfg->emtc_config.prach_catm_high_speed_flag.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig                = cfg->emtc_config.prach_catm_zero_correlation_zone_configuration.value;

  // CE Level 3 parameters
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[3]                  = cfg->emtc_config.prach_ce_level_3_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[3]   = cfg->emtc_config.prach_ce_level_3_starting_subframe_periodicity.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[3] = cfg->emtc_config.prach_ce_level_3_number_of_repetitions_per_attempt.value;
  AssertFatal(fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[3]>=fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[3],
	      "prach_starting_subframe_periodicity[3] < prach_numPetitionPerPreambleAttempt[3]\n");


  fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[3]                     = cfg->emtc_config.prach_ce_level_3_configuration_index.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[3]                      = cfg->emtc_config.prach_ce_level_3_frequency_offset.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_enable[3]                  = cfg->emtc_config.prach_ce_level_3_hopping_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_offset[3]                  = cfg->emtc_config.prach_ce_level_3_hopping_offset.value;
  if (fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[3] == 1)
    compute_prach_seq(fp->prach_emtc_config_common.rootSequenceIndex,
		      fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[3],
		      fp->prach_emtc_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
		      fp->prach_emtc_config_common.prach_ConfigInfo.highSpeedFlag,
		      fp->frame_type,
		      RC.eNB[Mod_id][CC_id]->X_u_br[3]);

  // CE Level 2 parameters
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[2]                  = cfg->emtc_config.prach_ce_level_2_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[2]   = cfg->emtc_config.prach_ce_level_2_starting_subframe_periodicity.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[2] = cfg->emtc_config.prach_ce_level_2_number_of_repetitions_per_attempt.value;
  AssertFatal(fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[2]>=fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[2],
	      "prach_starting_subframe_periodicity[2] < prach_numPetitionPerPreambleAttempt[2]\n");
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[2]                     = cfg->emtc_config.prach_ce_level_2_configuration_index.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[2]                      = cfg->emtc_config.prach_ce_level_2_frequency_offset.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_enable[2]                  = cfg->emtc_config.prach_ce_level_2_hopping_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_offset[2]                  = cfg->emtc_config.prach_ce_level_2_hopping_offset.value;
  if (fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[2] == 1)
    compute_prach_seq(fp->prach_emtc_config_common.rootSequenceIndex,
		      fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[3],
		      fp->prach_emtc_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
		      fp->prach_emtc_config_common.prach_ConfigInfo.highSpeedFlag,
		      fp->frame_type,
		      RC.eNB[Mod_id][CC_id]->X_u_br[2]);

  // CE Level 1 parameters
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[1]                  = cfg->emtc_config.prach_ce_level_1_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[1]   = cfg->emtc_config.prach_ce_level_1_starting_subframe_periodicity.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[1] = cfg->emtc_config.prach_ce_level_1_number_of_repetitions_per_attempt.value;
  AssertFatal(fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[1]>=fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[1],
	      "prach_starting_subframe_periodicity[1] < prach_numPetitionPerPreambleAttempt[1]\n");

  fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[1]                     = cfg->emtc_config.prach_ce_level_1_configuration_index.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[1]                      = cfg->emtc_config.prach_ce_level_1_frequency_offset.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_enable[1]                  = cfg->emtc_config.prach_ce_level_1_hopping_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_offset[1]                  = cfg->emtc_config.prach_ce_level_1_hopping_offset.value;
  if (fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[1] == 1)
    compute_prach_seq(fp->prach_emtc_config_common.rootSequenceIndex,
		      fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[3],
		      fp->prach_emtc_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
		      fp->prach_emtc_config_common.prach_ConfigInfo.highSpeedFlag,
		      fp->frame_type,
		      RC.eNB[Mod_id][CC_id]->X_u_br[1]);
  
  // CE Level 0 parameters
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[0]                  = cfg->emtc_config.prach_ce_level_0_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[0]   = cfg->emtc_config.prach_ce_level_0_starting_subframe_periodicity.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0] = cfg->emtc_config.prach_ce_level_0_number_of_repetitions_per_attempt.value;
  AssertFatal(fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[0]>=fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0],
	      "prach_starting_subframe_periodicity[0] %d < prach_numPetitionPerPreambleAttempt[0] %d\n",
	      fp->prach_emtc_config_common.prach_ConfigInfo.prach_starting_subframe_periodicity[0],
	      fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0]);
#if 0
  AssertFatal(fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0] > 0,
	      "prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0]==0\n");
#else
  LOG_E(PHY,"***DJP*** removed assert on preamble fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0]:%d expecting >0 %s:%d\n\n\n", fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[0], __FILE__, __LINE__);
#endif
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[0]                     = cfg->emtc_config.prach_ce_level_0_configuration_index.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[0]                      = cfg->emtc_config.prach_ce_level_0_frequency_offset.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_enable[0]                = cfg->emtc_config.prach_ce_level_0_hopping_enable.value;
  fp->prach_emtc_config_common.prach_ConfigInfo.prach_hopping_offset[0]                = cfg->emtc_config.prach_ce_level_0_hopping_offset.value;
  if (fp->prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[0] == 1)
    compute_prach_seq(fp->prach_emtc_config_common.rootSequenceIndex,
		      fp->prach_emtc_config_common.prach_ConfigInfo.prach_ConfigIndex[3],
		      fp->prach_emtc_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
		      fp->prach_emtc_config_common.prach_ConfigInfo.highSpeedFlag,
		      fp->frame_type,
		      RC.eNB[Mod_id][CC_id]->X_u_br[0]);
#endif



  fp->pucch_config_common.deltaPUCCH_Shift = 1+cfg->pucch_config.delta_pucch_shift.value;
  fp->pucch_config_common.nRB_CQI          = cfg->pucch_config.n_cqi_rb.value;
  fp->pucch_config_common.nCS_AN           = cfg->pucch_config.n_an_cs.value;
  fp->pucch_config_common.n1PUCCH_AN       = cfg->pucch_config.n1_pucch_an.value;

  fp->pdsch_config_common.referenceSignalPower                         = cfg->rf_config.reference_signal_power.value;
  fp->pdsch_config_common.p_b                                          = cfg->subframe_config.pb.value;

  fp->pusch_config_common.n_SB                                         = cfg->pusch_config.number_of_subbands.value;
  LOG_I(PHY,"pusch_config_common.n_SB = %d\n",fp->pusch_config_common.n_SB );

  fp->pusch_config_common.hoppingMode                                  = cfg->pusch_config.hopping_mode.value;
  LOG_I(PHY,"pusch_config_common.hoppingMode = %d\n",fp->pusch_config_common.hoppingMode);

  fp->pusch_config_common.pusch_HoppingOffset                          = cfg->pusch_config.hopping_offset.value;
  LOG_I(PHY,"pusch_config_common.pusch_HoppingOffset = %d\n",fp->pusch_config_common.pusch_HoppingOffset);

  fp->pusch_config_common.enable64QAM                                  = 0;//radioResourceConfigCommon->pusch_ConfigCommon.pusch_ConfigBasic.enable64QAM;
  LOG_I(PHY,"pusch_config_common.enable64QAM = %d\n",fp->pusch_config_common.enable64QAM );
  fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled     = 0;
  fp->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled  = 0;
  if (cfg->uplink_reference_signal_config.uplink_rs_hopping.value == 1) 
      fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1;
  if (cfg->uplink_reference_signal_config.uplink_rs_hopping.value == 2) 
      fp->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 1;
  LOG_I(PHY,"pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = %d\n",fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled);
  fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH   =  cfg->uplink_reference_signal_config.group_assignment.value;
  LOG_I(PHY,"pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = %d\n",fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH);

  LOG_I(PHY,"pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = %d\n",fp->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled);

  fp->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift            = dmrs1_tab[cfg->uplink_reference_signal_config.cyclic_shift_1_for_drms.value];
  LOG_I(PHY,"pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = %d\n",fp->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift);

  init_ul_hopping(fp);

  fp->soundingrs_ul_config_common.enabled_flag                        = 0;// 1; Don't know how to turn this off in NFAPI
  fp->soundingrs_ul_config_common.srs_BandwidthConfig                 = cfg->srs_config.bandwidth_configuration.value;
  fp->soundingrs_ul_config_common.srs_SubframeConfig                  = cfg->srs_config.srs_subframe_configuration.value;
  fp->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission = cfg->srs_config.srs_acknack_srs_simultaneous_transmission.value;
  fp->soundingrs_ul_config_common.srs_MaxUpPts                        = cfg->srs_config.max_up_pts.value;

  fp->num_MBSFN_config = 0;

  init_ncs_cell(fp,RC.eNB[Mod_id][CC_id]->ncs_cell);


  init_ul_hopping(fp);
  RC.eNB[Mod_id][CC_id]->configured                                   = 1;
  LOG_I(PHY,"eNB %d/%d configured\n",Mod_id,CC_id);
}

*/


void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
{
//  NR_DL_FRAME_PARMS* const fp       = &gNB->frame_parms;
  nfapi_config_request_t *cfg       = &gNB->gNB_config;
  NR_gNB_COMMON* const common_vars  = &gNB->common_vars;
  LTE_eNB_PUSCH** const pusch_vars   = gNB->pusch_vars;
  LTE_eNB_SRS* const srs_vars        = gNB->srs_vars;
  LTE_eNB_PRACH* const prach_vars    = &gNB->prach_vars;

  int i, UE_id;

  for (i = 0; i < NB_ANTENNA_PORTS_ENB; i++) {
    if (i < cfg->rf_config.tx_antenna_ports.value || i == 5) {
      free_and_zero(common_vars->txdataF[i]);
      /* rxdataF[i] is not allocated -> don't free */
    }
  }
  free_and_zero(common_vars->txdataF);
  free_and_zero(common_vars->rxdataF);

  // Channel estimates for SRS
  for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; UE_id++) {
    for (i=0; i<64; i++) {
      free_and_zero(srs_vars[UE_id].srs_ch_estimates[i]);
      free_and_zero(srs_vars[UE_id].srs_ch_estimates_time[i]);
    }
    free_and_zero(srs_vars[UE_id].srs_ch_estimates);
    free_and_zero(srs_vars[UE_id].srs_ch_estimates_time);
  } //UE_id

  free_ul_ref_sigs();

  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) free_and_zero(srs_vars[UE_id].srs);

  free_and_zero(prach_vars->prachF);

  for (i = 0; i < 64; i++) free_and_zero(prach_vars->prach_ifft[0][i]);
  free_and_zero(prach_vars->prach_ifft[0]);

  free_and_zero(prach_vars->rxsigF[0]);

  for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
    for (i = 0; i < 2; i++) {
      free_and_zero(pusch_vars[UE_id]->rxdataF_ext[i]);
      free_and_zero(pusch_vars[UE_id]->rxdataF_ext2[i]);
      free_and_zero(pusch_vars[UE_id]->drs_ch_estimates[i]);
      free_and_zero(pusch_vars[UE_id]->drs_ch_estimates_time[i]);
      free_and_zero(pusch_vars[UE_id]->rxdataF_comp[i]);
      free_and_zero(pusch_vars[UE_id]->ul_ch_mag[i]);
      free_and_zero(pusch_vars[UE_id]->ul_ch_magb[i]);
    }
    free_and_zero(pusch_vars[UE_id]->rxdataF_ext);
    free_and_zero(pusch_vars[UE_id]->rxdataF_ext2);
    free_and_zero(pusch_vars[UE_id]->drs_ch_estimates);
    free_and_zero(pusch_vars[UE_id]->drs_ch_estimates_time);
    free_and_zero(pusch_vars[UE_id]->rxdataF_comp);
    free_and_zero(pusch_vars[UE_id]->ul_ch_mag);
    free_and_zero(pusch_vars[UE_id]->ul_ch_magb);
    free_and_zero(pusch_vars[UE_id]->llr);
    free_and_zero(pusch_vars[UE_id]);
  } //UE_id

  for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; UE_id++) gNB->UE_stats_ptr[UE_id] = NULL;
}
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/*
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void install_schedule_handlers(IF_Module_t *if_inst)
{
  if_inst->PHY_config_req = phy_config_request;
  if_inst->schedule_response = schedule_response;
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}*/