nr_init.c 18.8 KB
Newer Older
Guy De Souza's avatar
Guy De Souza committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
/*
 * 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
 */

22 23
#include "PHY/defs_gNB.h"
#include "PHY/phy_extern.h"
24
#include "PHY/NR_REFSIG/nr_refsig.h"
25
#include "PHY/INIT/phy_init.h"
Guy De Souza's avatar
Guy De Souza committed
26
#include "PHY/CODING/nrPolar_tools/nr_polar_pbch_defs.h"
27 28 29
#include "RadioResourceConfigCommonSIB.h"
#include "RadioResourceConfigDedicated.h"
#include "TDD-Config.h"
30
#include "LAYER2/MAC/mac_extern.h"
31 32 33
#include "MBSFN-SubframeConfigList.h"
#include "assertions.h"
#include <math.h>
34

Guy De Souza's avatar
Guy De Souza committed
35
#include "PHY/NR_REFSIG/nr_refsig.h" 
ChenWeiTai's avatar
ChenWeiTai committed
36
#include "PHY/LTE_REFSIG/lte_refsig.h"
37
#include "SCHED_NR/fapi_nr_l1.h"
ChenWeiTai's avatar
ChenWeiTai committed
38

39 40 41 42 43 44 45
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;

ChenWeiTai's avatar
ChenWeiTai committed
46
  if (RC.nb_nr_L1_inst > 0 && RC.nb_nr_L1_CC != NULL && RC.gNB != NULL)
47
  {
ChenWeiTai's avatar
ChenWeiTai committed
48 49
    AssertFatal(RC.nb_nr_L1_inst>0,"nb_nr_L1_inst=%d\n",RC.nb_nr_L1_inst);
    AssertFatal(RC.nb_nr_L1_CC!=NULL,"nb_nr_L1_CC is null\n");
50 51
    AssertFatal(RC.gNB!=NULL,"RC.gNB is null\n");

ChenWeiTai's avatar
ChenWeiTai committed
52
    LOG_I(PHY,"%s() RC.nb_nr_L1_inst:%d\n", __FUNCTION__, RC.nb_nr_L1_inst);
53

ChenWeiTai's avatar
ChenWeiTai committed
54
    for (i=0;i<RC.nb_nr_L1_inst;i++) {
55
      AssertFatal(RC.gNB[i]!=NULL,"RC.gNB[%d] is null\n",i);
ChenWeiTai's avatar
ChenWeiTai committed
56
      AssertFatal(RC.nb_nr_L1_CC[i]>0,"RC.nb_nr_L1_CC[%d]=%d\n",i,RC.nb_nr_L1_CC[i]);
57

ChenWeiTai's avatar
ChenWeiTai committed
58
      LOG_I(PHY,"%s() RC.nb_nr_L1_CC[%d]:%d\n", __FUNCTION__, i,  RC.nb_nr_L1_CC[i]);
59

ChenWeiTai's avatar
ChenWeiTai committed
60
      for (j=0;j<RC.nb_nr_L1_CC[i];j++) {
61 62
        AssertFatal(RC.gNB[i][j]!=NULL,"RC.gNB[%d][%d] is null\n",i,j);

63
        if ((RC.gNB[i][j]->if_inst =  NR_IF_Module_init(i))<0) return(-1); 
64 65 66

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

67 68
        RC.gNB[i][j]->if_inst->NR_PHY_config_req = nr_phy_config_request;
        RC.gNB[i][j]->if_inst->NR_Schedule_response = nr_schedule_response;
69 70 71 72 73
      }
    }
  }
  else
  {
ChenWeiTai's avatar
ChenWeiTai committed
74
    LOG_I(PHY,"%s() Not installing PHY callbacks - RC.nb_nr_L1_inst:%d RC.nb_nr_L1_CC:%p RC.gNB:%p\n", __FUNCTION__, RC.nb_nr_L1_inst, RC.nb_nr_L1_CC, RC.gNB);
75 76 77 78 79 80 81 82
  }
  return(0);
}


int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
                     unsigned char is_secondary_gNB,
                     unsigned char abstraction_flag)
83 84
{

85 86
  // shortcuts
  NR_DL_FRAME_PARMS* const fp       = &gNB->frame_parms;
87
  nfapi_nr_config_request_t* cfg       = &gNB->gNB_config;
88 89 90 91 92 93 94
  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; 

95
  LOG_I(PHY,"[gNB %d] %s() About to wait for gNB to be configured\n", gNB->Mod_id, __FUNCTION__);
96 97 98 99 100 101 102

  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);
103 104

  init_dfts();
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119
/*
  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);

Guy De Souza's avatar
Guy De Souza committed
120
  // PBCH DMRS gold sequences generation
Guy De Souza's avatar
Guy De Souza committed
121
  nr_init_pbch_dmrs(gNB);
Guy De Souza's avatar
Guy De Souza committed
122
  // Polar encoder init for PBCH
Guy De Souza's avatar
Guy De Souza committed
123
  nr_polar_init(&gNB->nrPolar_params,
Guy De Souza's avatar
Guy De Souza committed
124
        NR_POLAR_PBCH_MESSAGE_TYPE,
125
				NR_POLAR_PBCH_PAYLOAD_BITS,
Guy De Souza's avatar
Guy De Souza committed
126
				NR_POLAR_PBCH_AGGREGATION_LEVEL);
127

128
  //PDCCH DMRS init
Guy De Souza's avatar
Guy De Souza committed
129 130
  gNB->nr_gold_pdcch_dmrs = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t**));
  uint32_t ***pdcch_dmrs             = gNB->nr_gold_pdcch_dmrs;
Guy De Souza's avatar
Guy De Souza committed
131
  AssertFatal(pdcch_dmrs!=NULL, "NR init: pdcch_dmrs malloc failed\n");
Guy De Souza's avatar
Guy De Souza committed
132
  for (int slot=0; slot<fp->slots_per_frame; slot++) {
Guy De Souza's avatar
Guy De Souza committed
133 134 135
    pdcch_dmrs[slot] = (uint32_t **)malloc16(fp->symbols_per_slot*sizeof(uint32_t*));
    AssertFatal(pdcch_dmrs[slot]!=NULL, "NR init: pdcch_dmrs for slot %d - malloc failed\n", slot);
    for (int symb=0; symb<fp->symbols_per_slot; symb++){
Guy De Souza's avatar
Guy De Souza committed
136
      pdcch_dmrs[slot][symb] = (uint32_t *)malloc16(NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
Guy De Souza's avatar
Guy De Souza committed
137 138
      AssertFatal(pdcch_dmrs[slot][symb]!=NULL, "NR init: pdcch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
    }
Guy De Souza's avatar
Guy De Souza committed
139
  }
140 141

  nr_init_pdcch_dmrs(gNB, cfg->sch_config.physical_cell_id.value);
Guy De Souza's avatar
Guy De Souza committed
142

143 144 145 146 147 148 149 150
/*
  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.
Guy De Souza's avatar
Guy De Souza committed
151

152 153 154 155 156 157 158 159
    // 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.

Guy De Souza's avatar
Guy De Souza committed
160

161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
  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
225 226 227
      pusch_vars[UE_id]->rxdataF_ext[i]      = (int32_t*)malloc16_clear( sizeof(int32_t)*cfg->rf_config.ul_carrier_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_carrier_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_carrier_bandwidth.value*12*fp->symbols_per_slot );
228
      pusch_vars[UE_id]->drs_ch_estimates_time[i] = (int32_t*)malloc16_clear( 2*sizeof(int32_t)*fp->ofdm_symbol_size );
229 230 231
      pusch_vars[UE_id]->rxdataF_comp[i]     = (int32_t*)malloc16_clear( sizeof(int32_t)*cfg->rf_config.ul_carrier_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_carrier_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_carrier_bandwidth.value*12 );
232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251
      }
    
    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;
Guy De Souza's avatar
Guy De Souza committed
252
  nfapi_nr_config_request_t *cfg = phy_config->cfg;
253

Guy De Souza's avatar
Guy De Souza committed
254
  NR_DL_FRAME_PARMS *fp;
255 256
  PHICH_RESOURCE_t phich_resource_table[4]={oneSixth,half,one,two};
  int                 eutra_band     = cfg->nfapi_config.rf_bands.rf_band[0];  
257 258
  int                 dl_Bandwidth   = cfg->rf_config.dl_carrier_bandwidth.value;
  int                 ul_Bandwidth   = cfg->rf_config.ul_carrier_bandwidth.value;
259 260 261 262 263
  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;

Guy De Souza's avatar
Guy De Souza committed
264 265
  LOG_I(PHY,"Configuring MIB for instance %d, CCid %d : (band %d,N_RB_DL %d, N_RB_UL %d, Nid_cell %d,gNB_tx_antenna_ports %d,Ncp %d,DL freq %u)\n",
	Mod_id, CC_id, eutra_band, dl_Bandwidth, ul_Bandwidth, Nid_cell, p_eNB,Ncp,dl_CarrierFreq	);
266

Guy De Souza's avatar
Guy De Souza committed
267 268 269
  AssertFatal(RC.gNB != NULL, "PHY instance pointer doesn't exist\n");
  AssertFatal(RC.gNB[Mod_id] != NULL, "PHY instance %d doesn't exist\n",Mod_id);
  AssertFatal(RC.gNB[Mod_id][CC_id] != NULL, "PHY instance %d, CCid %d doesn't exist\n",Mod_id,CC_id);
270 271


Guy De Souza's avatar
Guy De Souza committed
272
  if (RC.gNB[Mod_id][CC_id]->configured == 1)
273 274 275 276 277
  {
    LOG_E(PHY,"Already eNB already configured, do nothing\n");
    return;
  }

Guy De Souza's avatar
Guy De Souza committed
278
  RC.gNB[Mod_id][CC_id]->mac_enabled     = 1;
279

Guy De Souza's avatar
Guy De Souza committed
280
  fp = &RC.gNB[Mod_id][CC_id]->frame_parms;
281 282 283

  fp->threequarter_fs                    = 0;

Guy De Souza's avatar
Guy De Souza committed
284
  nr_init_frame_parms(fp,1);
285

Guy De Souza's avatar
Guy De Souza committed
286 287 288
  RC.gNB[Mod_id][CC_id]->configured                                   = 1;
  LOG_I(PHY,"gNB %d/%d configured\n",Mod_id,CC_id);
}*/
289 290 291 292 293


void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
{
//  NR_DL_FRAME_PARMS* const fp       = &gNB->frame_parms;
294
  nfapi_nr_config_request_t *cfg       = &gNB->gNB_config;
295 296 297 298
  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;
299
  uint32_t ***pdcch_dmrs             = gNB->nr_gold_pdcch_dmrs;
300 301 302 303 304 305 306 307 308 309 310 311

  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);

312 313 314
  // PDCCH DMRS sequences
  free_and_zero(pdcch_dmrs);

315 316 317 318 319 320 321 322 323 324
  // 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

325
  //free_ul_ref_sigs();
326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358

  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;
}
Guy De Souza's avatar
Guy De Souza committed
359
/*
360 361 362 363
void install_schedule_handlers(IF_Module_t *if_inst)
{
  if_inst->PHY_config_req = phy_config_request;
  if_inst->schedule_response = schedule_response;
Guy De Souza's avatar
Guy De Souza committed
364
}*/
Guy De Souza's avatar
Guy De Souza committed
365 366

/// this function is a temporary addition for NR configuration
367

knopp's avatar
knopp committed
368
void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,int N_RB_DL,int N_RB_UL,int mu)
Guy De Souza's avatar
Guy De Souza committed
369 370
{
  NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
Guy De Souza's avatar
Guy De Souza committed
371
  nfapi_nr_config_request_t *gNB_config = &gNB->gNB_config;
Guy De Souza's avatar
Guy De Souza committed
372 373

  //overwrite for new NR parameters
Guy De Souza's avatar
Guy De Souza committed
374 375
  gNB_config->nfapi_config.rf_bands.rf_band[0] = 22;
  gNB_config->nfapi_config.earfcn.value = 6600;
knopp's avatar
knopp committed
376 377
  gNB_config->subframe_config.numerology_index_mu.value = mu;
  gNB_config->subframe_config.duplex_mode.value = TDD;
Guy De Souza's avatar
Guy De Souza committed
378
  gNB_config->rf_config.tx_antenna_ports.value = 1;
knopp's avatar
knopp committed
379 380
  gNB_config->rf_config.dl_carrier_bandwidth.value = N_RB_DL;
  gNB_config->rf_config.ul_carrier_bandwidth.value = N_RB_UL;
Guy De Souza's avatar
Guy De Souza committed
381
  gNB_config->sch_config.half_frame_index.value = 0;
Guy De Souza's avatar
Guy De Souza committed
382
  gNB_config->sch_config.ssb_subcarrier_offset.value = 0;
knopp's avatar
knopp committed
383
  gNB_config->sch_config.n_ssb_crb.value = N_RB_DL-20;
Guy De Souza's avatar
Guy De Souza committed
384
  gNB_config->sch_config.ssb_subcarrier_offset.value = 0;
Guy De Souza's avatar
Guy De Souza committed
385 386 387 388


  gNB->mac_enabled     = 1;

Guy De Souza's avatar
Guy De Souza committed
389 390
  fp->dl_CarrierFreq = from_earfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.earfcn.value);
  fp->ul_CarrierFreq = fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
Guy De Souza's avatar
Guy De Souza committed
391 392
  fp->threequarter_fs                    = 0;

Guy De Souza's avatar
Guy De Souza committed
393
  nr_init_frame_parms(gNB_config, fp);
Guy De Souza's avatar
Guy De Souza committed
394 395 396

  gNB->configured                                   = 1;
  LOG_I(PHY,"gNB configured\n");
397
}
398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413


void nr_phy_config_request(NR_PHY_Config_t *phy_config)
{

  uint8_t Mod_id                  = phy_config->Mod_id;
  int     CC_id                   = phy_config->CC_id;

  NR_DL_FRAME_PARMS         *fp         = &RC.gNB[Mod_id][CC_id]->frame_parms;
  nfapi_nr_config_request_t *gNB_config = &RC.gNB[Mod_id][CC_id]->gNB_config;


  gNB_config->nfapi_config.rf_bands.rf_band[0]          = phy_config->cfg->nfapi_config.rf_bands.rf_band[0]; //22
  gNB_config->nfapi_config.earfcn.value                 = phy_config->cfg->nfapi_config.earfcn.value; //6600
  gNB_config->subframe_config.numerology_index_mu.value = phy_config->cfg->subframe_config.numerology_index_mu.value;//1
  gNB_config->rf_config.tx_antenna_ports.value          = phy_config->cfg->rf_config.tx_antenna_ports.value; //1
414 415
  gNB_config->rf_config.dl_carrier_bandwidth.value      = phy_config->cfg->rf_config.dl_carrier_bandwidth.value;//106;
  gNB_config->rf_config.ul_carrier_bandwidth.value      = phy_config->cfg->rf_config.ul_carrier_bandwidth.value;//106;
416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437
  gNB_config->sch_config.half_frame_index.value         = 0;
  gNB_config->sch_config.ssb_subcarrier_offset.value    = phy_config->cfg->sch_config.ssb_subcarrier_offset.value;//0;
  gNB_config->sch_config.n_ssb_crb.value                = 86;
  gNB_config->sch_config.physical_cell_id.value         = phy_config->cfg->sch_config.physical_cell_id.value;

  if (phy_config->cfg->subframe_config.duplex_mode.value == 0) {
    gNB_config->subframe_config.duplex_mode.value    = TDD;
  }
  else {
    gNB_config->subframe_config.duplex_mode.value    = FDD;
  }

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

  fp->dl_CarrierFreq = from_earfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.earfcn.value);
  fp->ul_CarrierFreq = fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
  fp->threequarter_fs                    = 0;

  LOG_I(PHY,"Configuring MIB for instance %d, CCid %d : (band %d,N_RB_DL %d, N_RB_UL %d, Nid_cell %d,gNB_tx_antenna_ports %d,DL freq %u)\n",
  Mod_id, 
  CC_id, 
  gNB_config->nfapi_config.rf_bands.rf_band[0], 
438 439
  gNB_config->rf_config.dl_carrier_bandwidth.value, 
  gNB_config->rf_config.ul_carrier_bandwidth.value, 
440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455
  gNB_config->sch_config.physical_cell_id.value, 
  gNB_config->rf_config.tx_antenna_ports.value,
  fp->dl_CarrierFreq );

  nr_init_frame_parms(gNB_config, fp);

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

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



Guy De Souza's avatar
Guy De Souza committed
456
}