nr_ue_dci_configuration.c 17.6 KB
Newer Older
Raymond Knopp's avatar
Raymond Knopp committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
/*
 * 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
 */

/* \file nr_ue_dci_configuration.c
 * \brief functions for generating dci search procedures based on RRC Serving Cell Group Configuration
cig's avatar
cig committed
24
 * \author R. Knopp, G. Casati
Raymond Knopp's avatar
Raymond Knopp committed
25
 * \date 2020
cig's avatar
cig committed
26 27 28
 * \version 0.2
 * \company Eurecom, Fraunhofer IIS
 * \email: knopp@eurecom.fr, guido.casati@iis.fraunhofer.de
Raymond Knopp's avatar
Raymond Knopp committed
29 30 31 32 33 34 35 36 37
 * \note
 * \warning
 */

#include "mac_proto.h"
#include "mac_defs.h"
#include "assertions.h"
#include "LAYER2/NR_MAC_UE/mac_extern.h"
#include "mac_defs.h"
cig's avatar
cig committed
38
#include "common/utils/nr/nr_common.h"
cig's avatar
cig committed
39
#include "executables/softmodem-common.h"
Raymond Knopp's avatar
Raymond Knopp committed
40 41 42 43 44 45 46 47 48
#include <stdio.h>

#ifdef NR_PDCCH_DCI_TOOLS_DEBUG
#define LOG_DCI_D(a...) printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) ->" a)
#else 
#define LOG_DCI_D(a...)
#endif
#define LOG_DCI_PARM(a...) LOG_D(PHY,"\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_generate_ue_ul_dlsch_params_from_dci)" a)

49 50
// #define DEBUG_DCI

51
dci_pdu_rel15_t *def_dci_pdu_rel15;
Raymond Knopp's avatar
Raymond Knopp committed
52 53 54 55 56

void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15) {

  LOG_D(MAC,"Filling search candidates for DCI\n");
  
57
  rel15->number_of_candidates=3;
Raymond Knopp's avatar
Raymond Knopp committed
58 59
  rel15->CCE[0]=0;
  rel15->L[0]=4;
60 61 62 63 64
  rel15->CCE[1]=4;
  rel15->L[1]=4;
  rel15->CCE[2]=8;
  rel15->L[2]=4;

Raymond Knopp's avatar
Raymond Knopp committed
65 66
}

67
void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15, fapi_nr_dl_config_request_t *dl_config, int rnti_type, int ss_id){
cig's avatar
cig committed
68

cig's avatar
cig committed
69
  uint16_t monitoringSymbolsWithinSlot = 0;
70
  uint8_t bwp_id = 1, coreset_id = 1;
cig's avatar
cig committed
71
  int sps = 0;
72
  def_dci_pdu_rel15 = calloc(1,sizeof(dci_pdu_rel15_t));
73 74 75 76
  AssertFatal(mac->scc != NULL, "scc is null\n");
  NR_ServingCellConfigCommon_t *scc = mac->scc;
  NR_BWP_DownlinkCommon_t *bwp_Common = mac->DLbwp[bwp_id - 1]->bwp_Common;
  NR_BWP_DownlinkCommon_t *initialDownlinkBWP = scc->downlinkConfigCommon->initialDownlinkBWP;
77 78 79 80 81 82 83

  NR_SearchSpace_t *ss;
  if(ss_id>=0) {
    ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];
  } else {
    ss = mac->search_space_zero;
  }
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

  // CORESET configuration
  NR_ControlResourceSet_t *coreset = mac->coreset[bwp_id - 1][coreset_id - 1];
  rel15->coreset.duration = coreset->duration;
  for (int i = 0; i < 6; i++)
    rel15->coreset.frequency_domain_resource[i] = coreset->frequencyDomainResources.buf[i];
  rel15->coreset.CceRegMappingType = coreset->cce_REG_MappingType.present == NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved ? FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED : FAPI_NR_CCE_REG_MAPPING_TYPE_NON_INTERLEAVED;
  if (rel15->coreset.CceRegMappingType == FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED) {
    struct NR_ControlResourceSet__cce_REG_MappingType__interleaved *interleaved = coreset->cce_REG_MappingType.choice.interleaved;
    rel15->coreset.RegBundleSize = (interleaved->reg_BundleSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6) ? 6 : (2 + interleaved->reg_BundleSize);
    rel15->coreset.InterleaverSize = (interleaved->interleaverSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n6) ? 6 : (2 + interleaved->interleaverSize);
    AssertFatal(scc->physCellId != NULL, "mac->scc->physCellId is null\n");
    rel15->coreset.ShiftIndex = interleaved->shiftIndex != NULL ? *interleaved->shiftIndex : *scc->physCellId;
  } else {
    rel15->coreset.RegBundleSize = 0;
    rel15->coreset.InterleaverSize = 0;
    rel15->coreset.ShiftIndex = 0;
cig's avatar
cig committed
101
  }
102 103 104 105 106 107 108 109 110 111
  rel15->coreset.CoreSetType = 1;
  rel15->coreset.precoder_granularity = coreset->precoderGranularity;

  // Scrambling RNTI
  if (coreset->pdcch_DMRS_ScramblingID) {
    rel15->coreset.pdcch_dmrs_scrambling_id = *coreset->pdcch_DMRS_ScramblingID;
    rel15->coreset.scrambling_rnti = mac->t_crnti;
  } else {
    rel15->coreset.pdcch_dmrs_scrambling_id = *scc->physCellId;
    rel15->coreset.scrambling_rnti = 0;
cig's avatar
cig committed
112 113
  }

114 115 116 117 118 119 120 121 122 123 124 125 126 127 128
  #ifdef DEBUG_DCI
    LOG_D(MAC, "[DCI_CONFIG] Configure DCI PDU: ss_id %d bwp %p bwp_Id %d controlResourceSetId %d\n", ss_id, mac->DLbwp[bwp_id - 1], mac->DLbwp[bwp_id - 1]->bwp_Id, coreset->controlResourceSetId);
  #endif

  // loop over RNTI type and configure resource allocation for DCI
  switch(rnti_type) {
    case NR_RNTI_C:
    // we use DL BWP dedicated
    sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
    // for SPS=14 8 MSBs in positions 13 down to 6
    monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
    rel15->rnti = mac->crnti;
    rel15->BWPSize = NRRIV2BW(bwp_Common->genericParameters.locationAndBandwidth, 275);
    rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275);
    rel15->SubcarrierSpacing = bwp_Common->genericParameters.subcarrierSpacing;
129 130 131
    for (int i = 0; i < rel15->num_dci_options; i++) {
      rel15->dci_length_options[i] = nr_dci_size(scc, mac->scg, def_dci_pdu_rel15, rel15->dci_format_options[i], NR_RNTI_C, rel15->BWPSize, bwp_id);
    }
132 133 134 135 136 137 138 139 140
    break;
    case NR_RNTI_RA:
    // we use the initial DL BWP
    sps = initialDownlinkBWP->genericParameters.cyclicPrefix == NULL ? 14 : 12;
    monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
    rel15->rnti = mac->ra_rnti;
    rel15->BWPSize = NRRIV2BW(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
    rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275); //NRRIV2PRBOFFSET(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
    rel15->SubcarrierSpacing = initialDownlinkBWP->genericParameters.subcarrierSpacing;
141
    rel15->dci_length_options[0] = nr_dci_size(scc, mac->scg, def_dci_pdu_rel15, rel15->dci_format_options[0], NR_RNTI_RA, rel15->BWPSize, bwp_id);
142 143 144 145 146 147 148 149 150 151
    break;
    case NR_RNTI_P:
    break;
    case NR_RNTI_CS:
    break;
    case NR_RNTI_TC:
    break;
    case NR_RNTI_SP_CSI:
    break;
    case NR_RNTI_SI:
152 153 154 155 156

      // we use DL BWP dedicated
      sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
      // for SPS=14 8 MSBs in positions 13 down to 6
      monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
rmagueta's avatar
rmagueta committed
157
      rel15->rnti = 0xFFFF; // SI-RNTI - 3GPP TS 38.321 Table 7.1-1: RNTI values
158 159 160 161 162
      rel15->BWPSize = NRRIV2BW(bwp_Common->genericParameters.locationAndBandwidth, 275);
      rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275);
      rel15->SubcarrierSpacing = bwp_Common->genericParameters.subcarrierSpacing;

      for (int i = 0; i < rel15->num_dci_options; i++) {
163
        rel15->dci_length_options[i] = nr_dci_size(scc, mac->scg, def_dci_pdu_rel15, rel15->dci_format_options[i], NR_RNTI_SI, rel15->BWPSize, bwp_id);
164 165
      }

166
    break;
rmagueta's avatar
rmagueta committed
167

168 169 170 171 172 173 174 175 176 177 178 179
    case NR_RNTI_SFI:
    break;
    case NR_RNTI_INT:
    break;
    case NR_RNTI_TPC_PUSCH:
    break;
    case NR_RNTI_TPC_PUCCH:
    break;
    case NR_RNTI_TPC_SRS:
    break;
    default:
    break;
cig's avatar
cig committed
180
  }
181 182 183 184
  for (int i = 0; i < sps; i++) {
    if ((monitoringSymbolsWithinSlot >> (sps - 1 - i)) & 1) {
      rel15->coreset.StartSymbolIndex = i;
      break;
Raymond Knopp's avatar
Raymond Knopp committed
185
    }
186 187 188 189 190 191 192 193 194 195 196 197 198 199
  }
  #ifdef DEBUG_DCI
    LOG_D(MAC, "[DCI_CONFIG] Configure DCI PDU: rnti_type %d BWPSize %d BWPStart %d rel15->SubcarrierSpacing %d rel15->dci_format %d rel15->dci_length %d sps %d monitoringSymbolsWithinSlot %d \n",
      rnti_type,
      rel15->BWPSize,
      rel15->BWPStart,
      rel15->SubcarrierSpacing,
      rel15->dci_format,
      rel15->dci_length,
      sps,
      monitoringSymbolsWithinSlot);
  #endif
  // add DCI
  dl_config->dl_config_list[dl_config->number_pdus].pdu_type = FAPI_NR_DL_CONFIG_TYPE_DCI;
cig's avatar
cig committed
200
  dl_config->number_pdus += 1;
201
}
cig's avatar
cig committed
202

203
void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl_config, frame_t frame, int slot) {
204

205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
  int ss_id;
  uint8_t bwp_id = 1, coreset_id = 1;
  NR_BWP_Downlink_t *bwp = mac->DLbwp[bwp_id - 1];

  #ifdef DEBUG_DCI
    LOG_D(MAC, "[DCI_CONFIG] ra_rnti %p (%x) crnti %p (%x) t_crnti %p (%x)\n", &mac->ra_rnti, mac->ra_rnti, &mac->crnti, mac->crnti, &mac->t_crnti, mac->t_crnti);
  #endif

  // loop over all available SS for BWP ID 1, CORESET ID 1
  for (ss_id = 0; ss_id < FAPI_NR_MAX_SS_PER_CORESET && mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id] != NULL; ss_id++){
    NR_SearchSpace_t *ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];
    fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;
    NR_BWP_DownlinkCommon_t *bwp_Common = bwp->bwp_Common;
    NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
    struct NR_PhysicalCellGroupConfig *phy_cgc = mac->scg->physicalCellGroupConfig;
    switch (ss->searchSpaceType->present){
      case NR_SearchSpace__searchSpaceType_PR_common:
      // this is for CSSs, we use BWP common and pdcch_ConfigCommon

      // Fetch configuration for searchSpaceZero
      // note: The search space with the SearchSpaceId = 0 identifies the search space configured via PBCH (MIB) and in ServingCellConfigCommon (searchSpaceZero).
      if (pdcch_ConfigCommon->choice.setup->searchSpaceZero){
227 228 229 230
        if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1 == NULL){
          pdcch_ConfigCommon->choice.setup->searchSpaceSIB1=calloc(1,sizeof(*pdcch_ConfigCommon->choice.setup->searchSpaceSIB1));
        }
        *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1 = 0;
231 232 233 234 235 236 237 238 239 240
        LOG_D(MAC, "[DCI_CONFIG] Configure SearchSpace#0 of the initial BWP\n");
        LOG_W(MAC, "[DCI_CONFIG] This should not be available yet...");
      }
      if (ss->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0){
        // check available SS IDs
        if (pdcch_ConfigCommon->choice.setup->ra_SearchSpace){
          if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->ra_SearchSpace){
            LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type1-PDCCH common random access search space\n");
            switch(mac->ra_state){
              case WAIT_RAR:
241 242 243
              rel15->num_dci_options = 1;
              rel15->dci_format_options[0] = NR_DL_DCI_FORMAT_1_0;
              config_dci_pdu(mac, rel15, dl_config, NR_RNTI_RA, ss_id);
244 245 246 247 248 249 250 251 252 253
              fill_dci_search_candidates(ss, rel15);
              break;
              case WAIT_CONTENTION_RESOLUTION:
              rel15->rnti = mac->t_crnti;
              break;
              default:
              break;
            }
          }
        }
rmagueta's avatar
rmagueta committed
254
        if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
255
          if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
rmagueta's avatar
rmagueta committed
256 257
            // Configure monitoring of PDCCH candidates in Type0-PDCCH common search space on the MCG
            LOG_W(MAC, "[DCI_CONFIG] This seach space should not be configured yet...");
258
          }
rmagueta's avatar
rmagueta committed
259
        }
260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
        if (pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation){
          if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation){
            // Configure monitoring of PDCCH candidates in Type0-PDCCH common search space on the MCG
            LOG_W(MAC, "[DCI_CONFIG] This seach space should not be configured yet...");
          }
        }
        if (pdcch_ConfigCommon->choice.setup->pagingSearchSpace){
          if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->pagingSearchSpace){
            // Configure monitoring of PDCCH candidates in Type2-PDCCH common search space on the MCG
            LOG_W(MAC, "[DCI_CONFIG] This seach space should not be configured yet...");
          }
        }
        if (phy_cgc){
          if (phy_cgc->cs_RNTI){
            LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by CS-RNTI...\n");
            LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
          }
          if (phy_cgc->ext1){
            if (phy_cgc->ext1->mcs_C_RNTI){
            LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by MCS-C-RNTI...\n");
            LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
            }
          }
cig's avatar
cig committed
283
        }
284 285 286 287 288
      } // end DCI 00 and 01
      // DCI 2_0
      if (ss->searchSpaceType->choice.common->dci_Format2_0){
        LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_0 with CRC scrambled by SFI-RNTI \n");
        LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
289
      }
290 291 292 293 294 295 296 297 298 299 300 301 302 303
      // DCI 2_1
      if (ss->searchSpaceType->choice.common->dci_Format2_1){
        LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_1 with CRC scrambled by INT-RNTI \n");
        LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
      }
      // DCI 2_2
      if (ss->searchSpaceType->choice.common->dci_Format2_2){
        LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_2 with CRC scrambled by TPC-RNTI \n");
        LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
      }
      // DCI 2_3
      if (ss->searchSpaceType->choice.common->dci_Format2_3){
        LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_3 with CRC scrambled by TPC-SRS-RNTI \n");
        LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
cig's avatar
cig committed
304
      }
cig's avatar
cig committed
305

306 307 308 309 310 311 312 313
      break;
      case NR_SearchSpace__searchSpaceType_PR_ue_Specific:
      // this is an USS
      if (ss->searchSpaceType->choice.ue_Specific){
        if(ss->searchSpaceType->choice.ue_Specific->dci_Formats == NR_SearchSpace__searchSpaceType__ue_Specific__dci_Formats_formats0_1_And_1_1){
          // Monitors DCI 01 and 11 scrambled with C-RNTI, or CS-RNTI(s), or SP-CSI-RNTI
          if (get_softmodem_params()->phy_test == 1 && mac->crnti > 0) {
            LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in the user specific search space\n");
314 315 316 317
            rel15->num_dci_options = 2;
            rel15->dci_format_options[0] = NR_DL_DCI_FORMAT_1_1;
            rel15->dci_format_options[1] = NR_UL_DCI_FORMAT_0_1;
            config_dci_pdu(mac, rel15, dl_config, NR_RNTI_C, ss_id);
318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349
            fill_dci_search_candidates(ss, rel15);

            #ifdef DEBUG_DCI
            LOG_D(MAC, "[DCI_CONFIG] ss %d ue_Specific %p searchSpaceType->present %d dci_Formats %d\n",
              ss_id,
              ss->searchSpaceType->choice.ue_Specific,
              ss->searchSpaceType->present,
              ss->searchSpaceType->choice.ue_Specific->dci_Formats);
            #endif
          }
          if (phy_cgc){
            if (phy_cgc->cs_RNTI){
              LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by CS-RNTI...\n");
              LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
            }
            if (phy_cgc->sp_CSI_RNTI){
              LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by SP-CSI-RNTI...\n");
              LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
            }
            if (phy_cgc->ext1){
              if (phy_cgc->ext1->mcs_C_RNTI){
                LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by MCS-C-RNTI...\n");
                LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
              }
            }
          }
        }
      }
      break;
      default:
      AssertFatal(1 == 0, "[DCI_CONFIG] Unrecognized search space type...");
      break;
Raymond Knopp's avatar
Raymond Knopp committed
350 351
    }
  }
352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372

  // Search space 0, CORESET ID 0

  NR_BWP_DownlinkCommon_t *bwp_Common = bwp->bwp_Common;
  NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;

  if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){

    NR_SearchSpace_t *ss0 = mac->search_space_zero;
    fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;

    if (ss0->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
      if( (frame%2 == mac->type0_PDCCH_CSS_config.sfn_c) && (slot == mac->type0_PDCCH_CSS_config.n_0) ){
        rel15->num_dci_options = 1;
        rel15->dci_format_options[0] = NR_DL_DCI_FORMAT_1_0;
        config_dci_pdu(mac, rel15, dl_config, NR_RNTI_SI, -1);
        fill_dci_search_candidates(ss0, rel15);
      }
    }
  }

Raymond Knopp's avatar
Raymond Knopp committed
373
}