Transmission of SIB1

openair1/PHY/NR_TRANSPORT/nr_dci.c

@@ -240,13 +240,7 @@ uint8_t nr_generate_dci_top(PHY_VARS_gNB *gNB,
       } // m
     } // reg_idx
 
-
-    printf("polar_encoder_fast: pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[d] = %i, pdcch_pdu_rel15->dci_pdu.AggregationLevel[d] = %i, n_RNTI = %i\n",
-           pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[d], pdcch_pdu_rel15->dci_pdu.AggregationLevel[d], n_RNTI);
-
-    printf("nr_pdcch_scrambling: encoded_length = %i, Nid = %i, scrambling_RNTI = %i\n\n",encoded_length, Nid, scrambling_RNTI);
-
-    printf("\n>> DCI: payloadSize = %d | payload = %llx\n\n",
+    printf(">> DCI: payloadSize = %d | payload = %llx\n\n",
            *pdcch_pdu_rel15->dci_pdu.PayloadSizeBits,*(unsigned long long*)pdcch_pdu_rel15->dci_pdu.Payload);
 
   } // for (int d=0;d<pdcch_pdu_rel15->numDlDci;d++)

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c

@@ -590,8 +590,17 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
       // Fixme: correct type is unsigned, but nrLDPC_decoder and all called behind use signed int
       if (check_crc((uint8_t*)llrProcBuf,length_dec,harq_process->F,crc_type)) {
         LOG_D(PHY,"Segment %u CRC OK\n\033[0m",r);
-	if (r==0)
-	  for (int i=0;i<10;i++) LOG_D(PHY,"byte %d : %x\n",i,((uint8_t*)llrProcBuf)[i]);
+
+        if (r==0) {
+          for (int i=0;i<10;i++) LOG_D(PHY,"byte %d : %x\n",i,((uint8_t*)llrProcBuf)[i]);
+
+          printf("\n");
+          printf("==== CRC OK ====\n");
+          for (int i=0;i<10;i++) printf("byte %d : %x\n",i,((uint8_t*)llrProcBuf)[i]);
+          printf("\n");
+
+          getchar();
+        }
 
         //Temporary hack
         no_iteration_ldpc = dlsch->max_ldpc_iterations;
@@ -600,6 +609,13 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
       else {
         LOG_D(PHY,"CRC NOK\n\033[0m");
         ret = 1 + dlsch->max_ldpc_iterations;
+
+        printf("\n");
+        printf("==== CRC NOT OK ====\n");
+        for (int i=0;i<10;i++) printf("byte %d : %x\n",i,((uint8_t*)llrProcBuf)[i]);
+        printf("\n");
+
+        getchar();
       }
 
 

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c

@@ -2234,8 +2234,13 @@ uint16_t nr_dci_size(NR_ServingCellConfigCommon_t *scc,
 
     case NR_DL_DCI_FORMAT_1_0:
       /// fixed: Format identifier 1, VRB2PRB 1, MCS 5, NDI 1, RV 2, HARQ PID 4, DAI 2, PUCCH TPC 2, PUCCH RInd 3, PDSCH to HARQ TInd 3 Time Domain assgnmt 4 -- 28
-      size += 28;
+      size = 28;
       size += (uint8_t)ceil( log2( (N_RB*(N_RB+1))>>1 ) ); // Freq domain assignment
+
+      dci_pdu->frequency_domain_assignment.nbits = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
+      dci_pdu->time_domain_assignment.nbits = 4;
+      dci_pdu->vrb_to_prb_mapping.nbits = 1;
+
       break;
 
     case NR_DL_DCI_FORMAT_1_1:

openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c

@@ -163,10 +163,8 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
         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);
       }
 
-      printf("bwp_Common->genericParameters.locationAndBandwidth = %li\n", bwp_Common->genericParameters.locationAndBandwidth);
-      printf("rel15->BWPSize = %i\n", rel15->BWPSize);
-
     break;
+
     case NR_RNTI_SFI:
     break;
     case NR_RNTI_INT:
@@ -253,23 +251,12 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl
             }
           }
         }
-        /*if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
-
-          printf("*pdcch_ConfigCommon->choice.setup->searchSpaceSIB1 = %li\n", *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1);
-          printf("ss->searchSpaceId = %li\n", ss->searchSpaceId);
-
-          // FIXME:
-          //if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
+        if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
           if (ss->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, ss_id);
-              fill_dci_search_candidates(ss, rel15);
-            }
-
+            // 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->searchSpaceOtherSystemInformation){
           if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation){
             // Configure monitoring of PDCCH candidates in Type0-PDCCH common search space on the MCG

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c

@@ -162,9 +162,11 @@ void schedule_control_sib1(module_id_t module_id,
                            int time_domain_allocation,
                            uint8_t mcsTableIdx,
                            uint8_t mcs,
-                           uint8_t numDmrsCdmGrpsNoData) {
+                           uint8_t numDmrsCdmGrpsNoData,
+                           int num_total_bytes) {
 
   gNB_MAC_INST *gNB_mac = RC.nrmac[module_id];
+  uint8_t *vrb_map = RC.nrmac[module_id]->common_channels[CC_id].vrb_map;
 
   if (gNB_mac->sched_ctrlCommon == NULL){
     gNB_mac->sched_ctrlCommon = calloc(1,sizeof(*gNB_mac->sched_ctrlCommon));
@@ -175,97 +177,172 @@ void schedule_control_sib1(module_id_t module_id,
     fill_default_coresetZero(gNB_mac->sched_ctrlCommon->coreset);
   }
 
-
-
   gNB_mac->sched_ctrlCommon->active_bwp = gNB_mac->secondaryCellGroupCommon->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1];
 
-
-
-
-
-
-  //NR_COMMON_channels_t                  *cc = &gNB_mac->common_channels[0];
-  //NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
-  //scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth;
-
-  gNB_mac->sched_ctrlCommon->rbSize = 0;
   gNB_mac->sched_ctrlCommon->time_domain_allocation = time_domain_allocation;
   gNB_mac->sched_ctrlCommon->mcsTableIdx = mcsTableIdx;
   gNB_mac->sched_ctrlCommon->mcs = mcs;
   gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData = numDmrsCdmGrpsNoData;
+  gNB_mac->sched_ctrlCommon->num_total_bytes = num_total_bytes;
 
   uint8_t nr_of_candidates;
-  find_aggregation_candidates(&gNB_mac->sched_ctrlCommon->aggregation_level, &nr_of_candidates,gNB_mac->sched_ctrlCommon->search_space);
+  find_aggregation_candidates(&gNB_mac->sched_ctrlCommon->aggregation_level, &nr_of_candidates, gNB_mac->sched_ctrlCommon->search_space);
 
   gNB_mac->sched_ctrlCommon->cce_index = allocate_nr_CCEs(RC.nrmac[module_id],
                                                           gNB_mac->sched_ctrlCommon->active_bwp,
                                                           gNB_mac->sched_ctrlCommon->coreset,
                                                           gNB_mac->sched_ctrlCommon->aggregation_level,
                                                           0,
-                                                          0);
+                                                              0);
 
-  // Calculate rbStart and rbSize
-  gNB_mac->sched_ctrlCommon->rbStart = NRRIV2PRBOFFSET(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
-  gNB_mac->sched_ctrlCommon->rbSize = 4; //24; //gNB_mac->type0_PDCCH_CSS_config.num_rbs;
+  const uint16_t bwpSize = NRRIV2BW(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
+  int rbStart = NRRIV2PRBOFFSET(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
+
+  // Freq-domain allocation
+  while (rbStart < bwpSize && vrb_map[rbStart]) rbStart++;
+
+  // Calculate number of PRB_DMRS
+  uint8_t N_PRB_DMRS;
+  if(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NFAPI_NR_DMRS_TYPE1) {
+    N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
+  } else {
+    N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 4;
+  }
+
+  // Calculate number of symbols
+  struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
+  const int startSymbolAndLength = tdaList->list.array[gNB_mac->sched_ctrlCommon->time_domain_allocation]->startSymbolAndLength;
+  int startSymbolIndex, nrOfSymbols;
+  SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
+
+  int rbSize = 0;
+  uint32_t TBS = 0;
+  do {
+    rbSize++;
+    TBS = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
+                           nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
+                           rbSize, nrOfSymbols, N_PRB_DMRS,0, 0,1) >> 3;
+  } while (rbStart + rbSize < bwpSize && !vrb_map[rbStart + rbSize] && TBS < gNB_mac->sched_ctrlCommon->num_total_bytes);
+  gNB_mac->sched_ctrlCommon->rbSize = rbSize;
+  gNB_mac->sched_ctrlCommon->rbStart = rbStart;
 
   // Mark the corresponding RBs as used
-  uint8_t *vrb_map = RC.nrmac[module_id]->common_channels[CC_id].vrb_map;
   for (int rb = 0; rb < gNB_mac->sched_ctrlCommon->rbSize; rb++) {
     vrb_map[rb + gNB_mac->sched_ctrlCommon->rbStart] = 1;
   }
 
-  printf("searchSpaceId = %li\n", gNB_mac->sched_ctrlCommon->search_space->searchSpaceId);
-  printf("locationAndBandwidth = %li\n", gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->genericParameters.locationAndBandwidth);
-  printf("cce_index = %i\n", gNB_mac->sched_ctrlCommon->cce_index);
-  printf("aggregation_level = %i\n", gNB_mac->sched_ctrlCommon->aggregation_level);
-  printf("nr_of_candidates = %i\n", nr_of_candidates);
-  printf("rbSize = %i\n", gNB_mac->sched_ctrlCommon->rbSize);
-  printf("rbStart = %i\n", gNB_mac->sched_ctrlCommon->rbStart);
 }
 
-void nr_fill_nfapi_dci_sib1_pdu(int Mod_idP, nfapi_nr_dl_tti_request_body_t *dl_req) {
+void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
+                              nfapi_nr_dl_tti_request_body_t *dl_req,
+                              uint32_t TBS,
+                              int StartSymbolIndex,
+                              int NrOfSymbols) {
+
+  // static values
+  int rnti = 0xFFFF;
+  int dci_format = NR_DL_DCI_FORMAT_1_0;
+  int rnti_type = NR_RNTI_SI;
 
   gNB_MAC_INST *gNB_mac = RC.nrmac[Mod_idP];
-  NR_ServingCellConfigCommon_t *scc = gNB_mac->common_channels->ServingCellConfigCommon;
+  NR_COMMON_channels_t *cc = gNB_mac->common_channels;
+  NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
+  NR_CellGroupConfig_t *secondaryCellGroup = gNB_mac->secondaryCellGroupCommon;
   NR_BWP_Downlink_t *bwp = gNB_mac->sched_ctrlCommon->active_bwp;
 
-  long locationAndBandwidth = bwp->bwp_Common->genericParameters.locationAndBandwidth;
-
-  //long locationAndBandwidth = scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth;
-
-  int dci10_bw = NRRIV2BW(locationAndBandwidth,275);
+  // Uncommenting these lines, the DLSCH is decoded in the UE:
+  //
+  //rnti = 0x1234;
+  //dci_format = NR_DL_DCI_FORMAT_1_1;
+  //rnti_type = NR_RNTI_C;
+  //gNB_mac->type0_PDCCH_CSS_config.n_0 = 6;
+  //
 
   nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdcch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
   memset((void*)dl_tti_pdcch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
   dl_tti_pdcch_pdu->PDUType = NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE;
   dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
 
+  nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs+1];
+  memset((void*)dl_tti_pdsch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
+  dl_tti_pdsch_pdu->PDUType = NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE;
+  dl_tti_pdsch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdsch_pdu));
+
   nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
+  nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_pdu_rel15 = &dl_tti_pdsch_pdu->pdsch_pdu.pdsch_pdu_rel15;
+
+  pdsch_pdu_rel15->pduBitmap = 0;
+  pdsch_pdu_rel15->rnti = rnti;
+  pdsch_pdu_rel15->pduIndex = gNB_mac->pdu_index[0]++;
+
+  pdsch_pdu_rel15->BWPSize  = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
+  pdsch_pdu_rel15->BWPStart = NRRIV2PRBOFFSET(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
+  pdsch_pdu_rel15->SubcarrierSpacing = bwp->bwp_Common->genericParameters.subcarrierSpacing;
+  if (bwp->bwp_Common->genericParameters.cyclicPrefix) {
+    pdsch_pdu_rel15->CyclicPrefix = *bwp->bwp_Common->genericParameters.cyclicPrefix;
+  } else {
+    pdsch_pdu_rel15->CyclicPrefix = 0;
+  }
+
+  pdsch_pdu_rel15->NrOfCodewords = 1;
+  pdsch_pdu_rel15->targetCodeRate[0] = nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs,0);
+  pdsch_pdu_rel15->qamModOrder[0] = 2;
+  pdsch_pdu_rel15->mcsIndex[0] = gNB_mac->sched_ctrlCommon->mcs;
+  pdsch_pdu_rel15->mcsTable[0] = 0;
+  pdsch_pdu_rel15->rvIndex[0] = nr_rv_round_map[0];
+  pdsch_pdu_rel15->dataScramblingId = *scc->physCellId;
+  pdsch_pdu_rel15->nrOfLayers = 1;
+  pdsch_pdu_rel15->transmissionScheme = 0;
+  pdsch_pdu_rel15->refPoint = 0; // Point A
+  pdsch_pdu_rel15->dmrsConfigType = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1;
+  pdsch_pdu_rel15->dlDmrsScramblingId = *scc->physCellId;
+  pdsch_pdu_rel15->SCID = 0;
+  pdsch_pdu_rel15->numDmrsCdmGrpsNoData = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData;
+  pdsch_pdu_rel15->dmrsPorts = 1;
+  pdsch_pdu_rel15->resourceAlloc = 1;
+  pdsch_pdu_rel15->rbStart = gNB_mac->sched_ctrlCommon->rbStart;
+  pdsch_pdu_rel15->rbSize = gNB_mac->sched_ctrlCommon->rbSize;
+  pdsch_pdu_rel15->VRBtoPRBMapping = 1;
+  pdsch_pdu_rel15->qamModOrder[0] = nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx);
+  pdsch_pdu_rel15->TBSize[0] = TBS;
+  pdsch_pdu_rel15->mcsTable[0] = gNB_mac->sched_ctrlCommon->mcsTableIdx;
+  pdsch_pdu_rel15->StartSymbolIndex = StartSymbolIndex;
+  pdsch_pdu_rel15->NrOfSymbols = NrOfSymbols;
+
+  pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(bwp->bwp_Dedicated->pdsch_Config->choice.setup, scc->dmrs_TypeA_Position, pdsch_pdu_rel15->NrOfSymbols);
 
   dci_pdu_rel15_t dci_pdu_rel15[MAX_DCI_CORESET];
   memset(dci_pdu_rel15, 0, sizeof(dci_pdu_rel15_t) * MAX_DCI_CORESET);
 
-  dci_pdu_rel15[0].bwp_indicator.val = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Id - 1;
-  dci_pdu_rel15[0].frequency_domain_assignment.val = PRBalloc_to_locationandbandwidth0(gNB_mac->sched_ctrlCommon->rbSize,
-                                                                                       gNB_mac->sched_ctrlCommon->rbStart,
-                                                                                       dci10_bw);
+  int n_dl_bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count;
+
+  if (n_dl_bwp < 4) {
+    dci_pdu_rel15[0].bwp_indicator.val = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Id;
+  } else {
+    dci_pdu_rel15[0].bwp_indicator.val = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Id - 1; // as per table 7.3.1.1.2-1 in 38.212
+  }
+
+  // frequency domain assignment
+  dci_pdu_rel15[0].frequency_domain_assignment.val =
+      PRBalloc_to_locationandbandwidth0(pdsch_pdu_rel15->rbSize,
+                                        pdsch_pdu_rel15->rbStart,
+                                NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275));
 
   dci_pdu_rel15[0].time_domain_assignment.val = gNB_mac->sched_ctrlCommon->time_domain_allocation;
   dci_pdu_rel15[0].mcs = gNB_mac->sched_ctrlCommon->mcs;
-  dci_pdu_rel15[0].rv = 0;
+  dci_pdu_rel15[0].rv = pdsch_pdu_rel15->rvIndex[0];
   dci_pdu_rel15[0].harq_pid = 0;
   dci_pdu_rel15[0].ndi = 0;
   dci_pdu_rel15[0].dai[0].val = 0;
-  dci_pdu_rel15[0].tpc = 0;
+  dci_pdu_rel15[0].tpc = 0; // table 7.2.1-1 in 38.213
   dci_pdu_rel15[0].pucch_resource_indicator = 0;
   dci_pdu_rel15[0].pdsch_to_harq_feedback_timing_indicator.val = 0;
   dci_pdu_rel15[0].antenna_ports.val = 0;
-  dci_pdu_rel15[0].dmrs_sequence_initialization.val = 0;
-  dci_pdu_rel15[0].system_info_indicator = 0;
+  dci_pdu_rel15[0].dmrs_sequence_initialization.val = pdsch_pdu_rel15->SCID;
 
   nr_configure_pdcch(gNB_mac,
                      pdcch_pdu_rel15,
-                     0xFFFF, // SI-RNTI - 3GPP TS 38.321 Table 7.1-1: RNTI values
+                     rnti,
                      gNB_mac->sched_ctrlCommon->search_space,
                      gNB_mac->sched_ctrlCommon->coreset,
                      scc,
@@ -275,248 +352,128 @@ void nr_fill_nfapi_dci_sib1_pdu(int Mod_idP, nfapi_nr_dl_tti_request_body_t *dl_
 
   int dci_formats[2];
   int rnti_types[2];
-  dci_formats[0]  = NR_DL_DCI_FORMAT_1_0;
-  rnti_types[0]   = NR_RNTI_SI;
 
-  fill_dci_pdu_rel15(scc,gNB_mac->secondaryCellGroupCommon,pdcch_pdu_rel15,dci_pdu_rel15,dci_formats,rnti_types, dci10_bw,bwp->bwp_Id);
-  //fill_dci_pdu_rel15(scc,gNB_mac->secondaryCellGroupCommon,pdcch_pdu_rel15,dci_pdu_rel15,dci_formats,rnti_types, 50,bwp->bwp_Id);
+  dci_formats[0]  = dci_format;
+  rnti_types[0]   = rnti_type;
 
-  //dl_req->nPDUs += 1; // -----------------------------
+  fill_dci_pdu_rel15(scc,secondaryCellGroup,pdcch_pdu_rel15,dci_pdu_rel15,dci_formats,rnti_types,pdsch_pdu_rel15->BWPSize,gNB_mac->sched_ctrlCommon->active_bwp->bwp_Id);
 
-  printf("locationAndBandwidth = %li\n", locationAndBandwidth);
-  printf("dci10_bw = %i\n", dci10_bw);
-}
-
-void nr_fill_nfapi_sib1_pdu(int Mod_idP, nfapi_nr_dl_tti_request_body_t *dl_req) {
-
-  gNB_MAC_INST *gNB_mac = RC.nrmac[Mod_idP];
-  NR_BWP_Downlink_t *bwp = gNB_mac->sched_ctrlCommon->active_bwp;
-
-  nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs+1];
-  memset((void*)dl_tti_pdsch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
-  dl_tti_pdsch_pdu->PDUType = NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE;
-  dl_tti_pdsch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdsch_pdu));
-
-  nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_pdu_rel15 = &dl_tti_pdsch_pdu->pdsch_pdu.pdsch_pdu_rel15;
-
-  // Calculate number of symbols
-  struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
-  const int startSymbolAndLength = tdaList->list.array[gNB_mac->sched_ctrlCommon->time_domain_allocation]->startSymbolAndLength;
-  int startSymbolIndex, nrOfSymbols;
-  SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
-
-  // Calculate number of PRB_DMRS
-  uint8_t N_PRB_DMRS;
-  if(bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NFAPI_NR_DMRS_TYPE1) {
-    N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
-  } else {
-    N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 4;
-  }
-
-  pdsch_pdu_rel15->pduBitmap = 0;
-  pdsch_pdu_rel15->rnti = 0xFFFF;
-  pdsch_pdu_rel15->pduIndex = gNB_mac->pdu_index[0]++;
-
-  pdsch_pdu_rel15->BWPSize  = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
-  pdsch_pdu_rel15->BWPStart = NRRIV2PRBOFFSET(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
-  pdsch_pdu_rel15->SubcarrierSpacing = bwp->bwp_Common->genericParameters.subcarrierSpacing;
-
-  if (bwp->bwp_Common->genericParameters.cyclicPrefix) {
-    pdsch_pdu_rel15->CyclicPrefix = *bwp->bwp_Common->genericParameters.cyclicPrefix;
-  }
-  else {
-    pdsch_pdu_rel15->CyclicPrefix = 0;
-  }
-
-  pdsch_pdu_rel15->NrOfCodewords = 1;
-  pdsch_pdu_rel15->targetCodeRate[0] = nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs,0);
-  pdsch_pdu_rel15->qamModOrder[0] = nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx);
-  pdsch_pdu_rel15->mcsIndex[0] = gNB_mac->sched_ctrlCommon->mcs;
-  pdsch_pdu_rel15->mcsTable[0] = 0;
-  pdsch_pdu_rel15->rvIndex[0] = 0;
-  pdsch_pdu_rel15->dataScramblingId =  *gNB_mac->common_channels->ServingCellConfigCommon->physCellId;
-  pdsch_pdu_rel15->nrOfLayers = 1;
-  pdsch_pdu_rel15->transmissionScheme = 0;
-  pdsch_pdu_rel15->refPoint = 0; // Point A
-  pdsch_pdu_rel15->dmrsConfigType = 0;
-  pdsch_pdu_rel15->dlDmrsScramblingId = *gNB_mac->common_channels->ServingCellConfigCommon->physCellId;
-  pdsch_pdu_rel15->SCID = 0;
-  pdsch_pdu_rel15->numDmrsCdmGrpsNoData = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData;
-  pdsch_pdu_rel15->dmrsPorts = 1;
-  pdsch_pdu_rel15->resourceAlloc = 1;
-  pdsch_pdu_rel15->rbStart = gNB_mac->sched_ctrlCommon->rbStart;
-  pdsch_pdu_rel15->rbSize = gNB_mac->sched_ctrlCommon->rbSize;
-  pdsch_pdu_rel15->VRBtoPRBMapping = 1; // non-interleaved, check if this is ok for initialBWP
-  pdsch_pdu_rel15->targetCodeRate[0] = nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx);
-  pdsch_pdu_rel15->mcsTable[0] = gNB_mac->sched_ctrlCommon->mcsTableIdx;
-  pdsch_pdu_rel15->StartSymbolIndex = startSymbolIndex;
-  pdsch_pdu_rel15->NrOfSymbols = nrOfSymbols;
-
-  pdsch_pdu_rel15->TBSize[0] = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
-                                              nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
-                                              gNB_mac->sched_ctrlCommon->rbSize, nrOfSymbols, N_PRB_DMRS,0,0,1) >> 3;
-
-  pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(bwp->bwp_Dedicated->pdsch_Config->choice.setup,
-                                                  gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position,
-                                                  pdsch_pdu_rel15->NrOfSymbols);
-
-  dl_req->nPDUs += 2; // ----------------------------
+  dl_req->nPDUs += 2;
 }
 
 void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP) {
 
-  printf("\n\n--- Schedule_nr_sib1: Start\n");
-  printf("frameP = %i, slotP = %i\n", frameP, slotP);
+  printf("\n\nSchedule_nr_sib1: frameP = %i, slotP = %i\n", frameP, slotP);
 
-  int CC_id = 0;
-  int bwp_id = 1;
-  int time_domain_allocation = 0;
+  // static values
+  const int CC_id = 0;
+  int time_domain_allocation = 2;
   uint8_t mcsTableIdx = 0;
-  uint8_t mcs = 3; // 9
+  uint8_t mcs = 9;
   uint8_t numDmrsCdmGrpsNoData = 1;
+  int bwp_id = 1;
 
   gNB_MAC_INST *gNB_mac = RC.nrmac[module_idP];
 
-  if(gNB_mac->type0_PDCCH_CSS_config.num_rbs<=0) {
-    return;
-  }
+  if( (frameP%2 == gNB_mac->type0_PDCCH_CSS_config.sfn_c) && (slotP == gNB_mac->type0_PDCCH_CSS_config.n_0 ) ) {
 
-  printf("search_space_duration = %i\n", gNB_mac->type0_PDCCH_CSS_config.search_space_duration);
-  printf("number_of_search_space_per_slot = %i\n", gNB_mac->type0_PDCCH_CSS_config.number_of_search_space_per_slot);
-  printf("type0_pdcch_ss_mux_pattern = %i\n", gNB_mac->type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern);
-  printf("ssb_index = %i\n", gNB_mac->type0_PDCCH_CSS_config.ssb_index);
-  printf("first_symbol_index = %i\n", gNB_mac->type0_PDCCH_CSS_config.first_symbol_index);
-  printf("num_symbols = %i\n", gNB_mac->type0_PDCCH_CSS_config.num_symbols);
-  printf("ssb_length = %i\n", gNB_mac->type0_PDCCH_CSS_config.ssb_length);
-  printf("frame = %i\n", gNB_mac->type0_PDCCH_CSS_config.frame);
-  printf("n_c = %i\n", gNB_mac->type0_PDCCH_CSS_config.n_c);
-  printf("num_rbs = %i\n", gNB_mac->type0_PDCCH_CSS_config.num_rbs);
-  printf("rb_offset = %i\n", gNB_mac->type0_PDCCH_CSS_config.rb_offset);
-  printf("sfn_c = %i\n", gNB_mac->type0_PDCCH_CSS_config.sfn_c);
-  printf("n_0 = %i\n", gNB_mac->type0_PDCCH_CSS_config.n_0);
-
-  if( (frameP%2 == gNB_mac->type0_PDCCH_CSS_config.sfn_c) && (slotP == gNB_mac->type0_PDCCH_CSS_config.n_0) ) {
-
-    printf("\nSIB1 will be transmitted here\n");
-
-    // Computation of the sched_ctrlCommon: bwp, coreset0, rbStart, rbSize, etc.
-    schedule_control_sib1(module_idP, CC_id, bwp_id, time_domain_allocation, mcsTableIdx, mcs, numDmrsCdmGrpsNoData);
-
-    // Schedule broadcast DCI for the SIB1
-    nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
-    nr_fill_nfapi_dci_sib1_pdu(module_idP, dl_req);
+    printf("> SIB1 will be transmitted here\n");
 
     // Get SIB1
     uint8_t sib1_payload[100];
     uint8_t sib1_sdu_length = mac_rrc_nr_data_req(module_idP, CC_id, frameP, BCCH, 1, sib1_payload);
     printf("sib1_sdu_length = %i\n", sib1_sdu_length);
+    printf("SIB1: ");
     for(int i = 0; i<sib1_sdu_length; i++) {
-      printf("%i ", sib1_payload[i]);
+      printf("%x ", sib1_payload[i]);
 
     }
-    printf("\n");
+    printf("\n\n");
 
-    // Schedule broadcast the SIB1
-    nr_fill_nfapi_sib1_pdu(module_idP, dl_req);
+    // Configure sched_ctrlCommon for SIB1
+    schedule_control_sib1(module_idP, CC_id, bwp_id, time_domain_allocation, mcsTableIdx, mcs, numDmrsCdmGrpsNoData, sib1_sdu_length);
 
+    // Calculate number of symbols
+    int startSymbolIndex, nrOfSymbols;
+    struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
+    const int startSymbolAndLength = tdaList->list.array[gNB_mac->sched_ctrlCommon->time_domain_allocation]->startSymbolAndLength;
+    SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
 
+    // Calculate number of PRB_DMRS
+    uint8_t N_PRB_DMRS;
+    if(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NFAPI_NR_DMRS_TYPE1) {
+      N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
+    } else {
+      N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 4;
+    }
 
+    const uint32_t TBS = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
+                         nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
+                                        gNB_mac->sched_ctrlCommon->rbSize, nrOfSymbols, N_PRB_DMRS,0 ,0 ,1 ) >> 3;
 
+    nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
+    nr_fill_nfapi_dl_sib1_pdu(module_idP, dl_req, TBS, startSymbolIndex, nrOfSymbols);
 
+    // reserve space for timing advance of UE if necessary,
+    const int ta_len = (gNB_mac->sched_ctrlCommon->ta_apply) ? 2 : 0;
 
+    int header_length_total = 0;
+    int sdu_length_total = 0;
+    int num_sdus = 0;
+    uint16_t sdu_lengths[NB_RB_MAX] = {0};
+    uint8_t mac_sdus[MAX_NR_DLSCH_PAYLOAD_BYTES];
+    unsigned char sdu_lcids[NB_RB_MAX] = {0};
 
-       const int ta_len =  2; // 0 or 2
+    // Data to be transmitted
+    bzero(mac_sdus,MAX_NR_DLSCH_PAYLOAD_BYTES);
+    //mac_sdus[2] = 0xFF;
+    //mac_sdus[5] = 0xFF;
+    memcpy(mac_sdus, sib1_payload, sib1_sdu_length);
 
-       // Get RLC data TODO: remove random data retrieval
-       int header_length_total = 0;
-       int header_length_last = 0;
-       int sdu_length_total = 0;
-       int num_sdus = 0;
-       uint16_t sdu_lengths[NB_RB_MAX] = {0};
-       uint8_t mac_sdus[MAX_NR_DLSCH_PAYLOAD_BYTES];
-       unsigned char sdu_lcids[NB_RB_MAX] = {0};
-       const int lcid = DL_SCH_LCID_DTCH;
+    sdu_lcids[0] = 0x3f; // DRB
+    sdu_lengths[0] = TBS - ta_len - 3;
+    header_length_total += 2 + (sdu_lengths[0] >= 128);
+    sdu_length_total += sdu_lengths[0];
+    num_sdus +=1;
 
+    // Check if there is data from RLC or CE
+    const int post_padding = TBS >= 2 + header_length_total + sdu_length_total + ta_len;
 
+    const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
+    nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
 
-       // Calculate number of PRB_DMRS
-       uint8_t N_PRB_DMRS;
-       if(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NFAPI_NR_DMRS_TYPE1) {
-         N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
-       } else {
-         N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 4;
-       }
+    // pointer to directly generate the PDU into the nFAPI structure
+    uint32_t *buf = tx_req->TLVs[0].value.direct;
 
+    const int offset = nr_generate_dlsch_pdu(
+          module_idP,
+          gNB_mac->sched_ctrlCommon,
+          (unsigned char *)mac_sdus,
+          (unsigned char *)buf,
+          num_sdus,
+          sdu_lengths,
+          sdu_lcids,
+          255,
+          NULL,
+          post_padding);
 
+    // Padding: fill remainder of DLSCH with 0
+    if (post_padding > 0) {
+      for (int j = 0; j < TBS - offset; j++) {
+        buf[offset + j] = 0;
+      }
+    }
 
-       // Calculate number of symbols
-       struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = gNB_mac->sched_ctrlCommon->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
-       const int startSymbolAndLength = tdaList->list.array[gNB_mac->sched_ctrlCommon->time_domain_allocation]->startSymbolAndLength;
-       int startSymbolIndex, nrOfSymbols;
-       SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
+    tx_req->PDU_length = TBS;
+    tx_req->PDU_index  = gNB_mac->pdu_index[0]++;
+    tx_req->num_TLV = 1;
+    tx_req->TLVs[0].length = TBS + 2;
+    gNB_mac->TX_req[CC_id].Number_of_PDUs++;
+    gNB_mac->TX_req[CC_id].SFN = frameP;
+    gNB_mac->TX_req[CC_id].Slot = slotP;
 
-
-
-       uint32_t TBS = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
-                                     nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
-                                     gNB_mac->sched_ctrlCommon->rbSize, nrOfSymbols, N_PRB_DMRS,0,0,1) >> 3;
-
-
-
-    printf("TBS = %i\n", TBS);
-
-
-       LOG_D(MAC, "Configuring DL_TX in %d.%d: random data\n", frameP, slotP);
-       // fill dlsch_buffer with random data
-       for (int i = 0; i < TBS; i++)
-         mac_sdus[i] = (unsigned char) (lrand48()&0xff);
-
-       sdu_lcids[0] = 0x3f; // DRB
-       sdu_lengths[0] = TBS - ta_len - 3;
-       header_length_total += 2 + (sdu_lengths[0] >= 128);
-       sdu_length_total += sdu_lengths[0];
-       num_sdus +=1;
-
-       // Check if there is data from RLC or CE
-       const int post_padding = TBS >= 2 + header_length_total + sdu_length_total + ta_len;
-       // padding param currently not in use
-       //padding = TBS - header_length_total - sdu_length_total - ta_len - 1;
-
-       const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
-       nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
-       // pointer to directly generate the PDU into the nFAPI structure
-       uint32_t *buf = tx_req->TLVs[0].value.direct;
-
-       const int offset = nr_generate_dlsch_pdu(
-           module_idP,
-           gNB_mac->sched_ctrlCommon,
-           (unsigned char *)mac_sdus,
-           (unsigned char *)buf,
-           num_sdus, // num_sdus
-           sdu_lengths,
-           sdu_lcids,
-           255, // no drx
-           NULL, // contention res id
-           post_padding);
-
-       // Padding: fill remainder of DLSCH with 0
-       if (post_padding > 0) {
-         for (int j = 0; j < TBS - offset; j++)
-           buf[offset + j] = 0;
-       }
-
-
-       tx_req->PDU_length = TBS;
-       tx_req->PDU_index  = gNB_mac->pdu_index[0]++;
-       tx_req->num_TLV = 1;
-       tx_req->TLVs[0].length = TBS + 2;
-       gNB_mac->TX_req[CC_id].Number_of_PDUs++;
-       gNB_mac->TX_req[CC_id].SFN = frameP;
-       gNB_mac->TX_req[CC_id].Slot = slotP;
   }
 
-    printf("--- Schedule_nr_sib1: End\n\n\n");
-
 }
 
 

openair2/RRC/NR/L2_nr_interface.c

@@ -204,12 +204,6 @@ int8_t mac_rrc_nr_data_req(const module_id_t Mod_idP,
 
   /* TODO BCCH SIB1 SIBs */
   if ((Srb_id & RAB_OFFSET ) == BCCH) {
-//      memcpy(&buffer_pP[0],
-//             RC.rrc[Mod_idP]->carrier[CC_id].SIB1_MBMS,
-//             RC.rrc[Mod_idP]->carrier[CC_id].sizeof_SIB1_MBMS);
-//
-//    return RC.rrc[Mod_idP]->carrier[CC_id].sizeof_SIB1_MBMS;
-
     memcpy(&buffer_pP[0],
            RC.nrrrc[Mod_idP]->carrier.SIB1,
            RC.nrrrc[Mod_idP]->carrier.sizeof_SIB1);

openair2/RRC/NR/rrc_gNB.c

@@ -182,43 +182,21 @@ static void init_NR_SI(gNB_RRC_INST *rrc) {
 
   LOG_D(RRC,"%s()\n\n\n\n",__FUNCTION__);
 
+  // MIB
   rrc->carrier.MIB             = (uint8_t *) malloc16(4);
   rrc->carrier.sizeof_MIB      = do_MIB_NR(rrc,0);
-  printf("rrc->carrier.sizeof_MIB = %i\n", rrc->carrier.sizeof_MIB);
-
-
-
-
 
+  // SIB 1
   gNB_RrcConfigurationReq  *configuration;
   configuration = CALLOC(1,sizeof(gNB_RrcConfigurationReq));
-
   configuration->cell_identity = 3;
-
   configuration->ssb_SubcarrierOffset = rrc->carrier.ssb_SubcarrierOffset;
   configuration->pdsch_AntennaPorts = rrc->carrier.pdsch_AntennaPorts;
   configuration->pusch_TargetSNRx10 = rrc->carrier.pusch_TargetSNRx10;
   configuration->pucch_TargetSNRx10 = rrc->carrier.pucch_TargetSNRx10;
   configuration->scc = rrc->carrier.servingcellconfigcommon;
-
-  rrc->carrier.SIB1             = (uint8_t *) malloc16(100);
-  rrc->carrier.sizeof_SIB1      = do_SIB1_NR(&rrc->carrier, configuration);
-
-
-  printf("\n");
-  printf("rrc->carrier.sizeof_SIB1 = %i\n", rrc->carrier.sizeof_SIB1);
-  for(int i = 0; i<20; i++) {
-    printf("%i ", rrc->carrier.SIB1[i]);
-  }
-  printf("\n\n");
-
-
-
-
-
-
-
-
+  if(rrc->carrier.SIB1 == NULL) rrc->carrier.SIB1 = (uint8_t *) malloc16(100);
+  rrc->carrier.sizeof_SIB1 = do_SIB1_NR(&rrc->carrier, configuration);
 
   LOG_I(NR_RRC,"Done init_NR_SI\n");
   rrc_mac_config_req_gNB(rrc->module_id,