dci size for 0_1 and some other modifications

openair2/LAYER2/NR_MAC_COMMON/nr_mac.h

@@ -251,9 +251,8 @@ typedef struct {
   uint8_t     short_messages; //8 bits
   uint8_t     tb_scaling; //2 bits
   uint8_t     pucch_resource_indicator; //3 bits
-  uint8_t     dmrs_sequence_initialization; //1 bit
   uint8_t     system_info_indicator; //1 bit
-
+  uint8_t     ulsch_indicator;
   uint8_t     slot_format_indicator_count;
   uint8_t     *slot_format_indicators;
  
@@ -290,6 +289,7 @@ typedef struct {
   dci_field_t cloded_loop_indicator; //variable
   dci_field_t ul_sul_indicator; //variable
   dci_field_t antenna_ports; //variable
+  dci_field_t dmrs_sequence_initialization;
   dci_field_t reserved; //1_0/C-RNTI:10 bits, 1_0/P-RNTI: 6 bits, 1_0/SI-&RA-RNTI: 16 bits
 
 } dci_pdu_rel15_t;

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h

@@ -77,7 +77,8 @@ int is_nr_DL_slot(NR_ServingCellConfigCommon_t *scc,slot_t slotP);
 
 int is_nr_UL_slot(NR_ServingCellConfigCommon_t *scc,slot_t slotP);
 
-uint16_t nr_dci_size(NR_CellGroupConfig_t *secondaryCellGroup,
+uint16_t nr_dci_size(NR_ServingCellConfigCommon_t *scc,
+                     NR_CellGroupConfig_t *secondaryCellGroup,
                      dci_pdu_rel15_t *dci_pdu,
                      nr_dci_format_t format,
 		     nr_rnti_type_t rnti_type,
@@ -103,6 +104,8 @@ uint8_t compute_nr_root_seq(NR_RACH_ConfigCommon_t *rach_config,
                             uint8_t nb_preambles,
                             uint8_t unpaired);
 
+int ul_ant_bits(NR_DMRS_UplinkConfig_t *NR_DMRS_UplinkConfig,long transformPrecoder);
+
 int get_format0(uint8_t index, uint8_t unpaired);
 
 uint16_t get_NCS(uint8_t index, uint16_t format, uint8_t restricted_set_config);

openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c

@@ -223,7 +223,7 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl
         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;
-        rel15->dci_length = nr_dci_size(mac->scg,def_dci_pdu_rel15,rel15->dci_format,NR_RNTI_C,rel15->BWPSize,bwp_id);
+        rel15->dci_length = nr_dci_size(scc,mac->scg,def_dci_pdu_rel15,rel15->dci_format,NR_RNTI_C,rel15->BWPSize,bwp_id);
         for (int i = 0; i < sps; i++)
         if ((monitoringSymbolsWithinSlot >> (sps - 1 - i)) & 1) {
           rel15->coreset.StartSymbolIndex = i;
@@ -243,7 +243,7 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl
       rel15->BWPSize = NRRIV2BW(bwp_Common->genericParameters.locationAndBandwidth, 275);
       rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275);
       rel15->SubcarrierSpacing = bwp_Common->genericParameters.subcarrierSpacing;
-      rel15->dci_length = nr_dci_size(mac->scg,def_dci_pdu_rel15,rel15->dci_format,NR_RNTI_C,rel15->BWPSize,bwp_id);
+      rel15->dci_length = nr_dci_size(scc,mac->scg,def_dci_pdu_rel15,rel15->dci_format,NR_RNTI_C,rel15->BWPSize,bwp_id);
       // get UE-specific search space
       for (ss_id = 0; ss_id < FAPI_NR_MAX_SS_PER_CORESET && mac->SSpace[0][0][ss_id] != NULL; ss_id++){
         uss = mac->SSpace[0][0][ss_id];

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -3530,7 +3530,7 @@ void nr_extract_dci_info(NR_UE_MAC_INST_t *mac,
     dci_pdu_rel15->cbgfi.val = (*dci_pdu>>(dci_size-pos))&((1<<dci_pdu_rel15->cbgfi.nbits)-1);
     // DMRS sequence init
     pos+=1;
-    dci_pdu_rel15->dmrs_sequence_initialization = (*dci_pdu>>(dci_size-pos))&0x1;
+    dci_pdu_rel15->dmrs_sequence_initialization.val = (*dci_pdu>>(dci_size-pos))&0x1;
     break;
 
   }

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c

@@ -688,7 +688,7 @@ void nr_generate_Msg2(module_id_t module_idP,
       pdcch_pdu_rel15->StartSymbolIndex,
       pdcch_pdu_rel15->DurationSymbols);
 
-    fill_dci_pdu_rel15(secondaryCellGroup,pdcch_pdu_rel15, &dci_pdu_rel15[0], dci_formats, rnti_types,dci10_bw,ra->bwp_id);
+    fill_dci_pdu_rel15(scc,secondaryCellGroup,pdcch_pdu_rel15, &dci_pdu_rel15[0], dci_formats, rnti_types,dci10_bw,ra->bwp_id);
 
     dl_req->nPDUs+=2;
 

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

@@ -734,6 +734,19 @@ void prepare_dci(NR_CellGroupConfig_t *secondaryCellGroup,
   NR_BWP_Downlink_t *bwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1];
 
   switch(format) {
+    case NR_UL_DCI_FORMAT_0_1:
+      // format indicator
+      dci_pdu_rel15->format_indicator = 0;
+      // carrier indicator
+      if (secondaryCellGroup->spCellConfig->spCellConfigDedicated->crossCarrierSchedulingConfig != NULL)
+        AssertFatal(1==0,"Cross Carrier Scheduling Config currently not supported\n");
+      // supplementary uplink
+      if (secondaryCellGroup->spCellConfig->spCellConfigDedicated->supplementaryUplink != NULL)
+        AssertFatal(1==0,"Supplementary Uplink currently not supported\n");
+      // SRS request
+      dci_pdu_rel15->srs_request.val = 0;
+      dci_pdu_rel15->ulsch_indicator = 1;
+      break;
     case NR_DL_DCI_FORMAT_1_1:
       // format indicator
       dci_pdu_rel15->format_indicator = 1;
@@ -782,16 +795,15 @@ void prepare_dci(NR_CellGroupConfig_t *secondaryCellGroup,
     // CBGTI and CBGFI
     if (secondaryCellGroup->spCellConfig->spCellConfigDedicated->pdsch_ServingCellConfig->choice.setup->codeBlockGroupTransmission != NULL)
       AssertFatal(1==0,"CBG transmission currently not supported\n");
-    // dmrs sequence initialization
-    dci_pdu_rel15->dmrs_sequence_initialization = 0; // FIXME no information on what this bit should be in 38.212
     break;
   default :
-    AssertFatal(1==0,"Prepare dci currently only implemented for 1_1 \n");
+    AssertFatal(1==0,"Prepare dci currently only implemented for 1_1 and 0_1 \n");
   }
 }
 
 
-void fill_dci_pdu_rel15(NR_CellGroupConfig_t *secondaryCellGroup,
+void fill_dci_pdu_rel15(NR_ServingCellConfigCommon_t *scc,
+                        NR_CellGroupConfig_t *secondaryCellGroup,
                         nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15,
                         dci_pdu_rel15_t *dci_pdu_rel15,
                         int *dci_formats,
@@ -805,7 +817,7 @@ void fill_dci_pdu_rel15(NR_CellGroupConfig_t *secondaryCellGroup,
   for (int d=0;d<pdcch_pdu_rel15->numDlDci;d++) {
 
     uint64_t *dci_pdu = (uint64_t *)pdcch_pdu_rel15->dci_pdu.Payload[d];
-    int dci_size = nr_dci_size(secondaryCellGroup,&dci_pdu_rel15[d],dci_formats[d],rnti_types[d],N_RB,bwp_id);
+    int dci_size = nr_dci_size(scc,secondaryCellGroup,&dci_pdu_rel15[d],dci_formats[d],rnti_types[d],N_RB,bwp_id);
     pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[d] = dci_size;
     AssertFatal(pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[d]<=64, "DCI sizes above 64 bits not yet supported");
 
@@ -1119,6 +1131,16 @@ void fill_dci_pdu_rel15(NR_CellGroupConfig_t *secondaryCellGroup,
 	    }
       break;
 
+    case NR_UL_DCI_FORMAT_0_1:
+      switch(rnti_types[d])
+	{
+	case NR_RNTI_C:
+          // Frequency domain resource assignment
+             // add potential MSB for N_UL_HOP
+	  break;
+	    }
+      break;
+
     case NR_DL_DCI_FORMAT_1_1:
       // Indicating a DL DCI format 1bit
       pos=1;
@@ -1224,7 +1246,7 @@ void fill_dci_pdu_rel15(NR_CellGroupConfig_t *secondaryCellGroup,
 
       // DMRS sequence init
       pos+=1;
-      *dci_pdu |= ((uint64_t)dci_pdu_rel15->dmrs_sequence_initialization&0x1)<<(dci_size-pos);
+      *dci_pdu |= ((uint64_t)dci_pdu_rel15->dmrs_sequence_initialization.val&0x1)<<(dci_size-pos);
     }
   }
 }

openair2/LAYER2/NR_MAC_gNB/mac_proto.h

@@ -132,7 +132,12 @@ int configure_fapi_dl_pdu(int Mod_id,
                          uint16_t *rbSize,
                          uint16_t *rbStart);
 
-void config_uldci(NR_BWP_Uplink_t *ubwp,nfapi_nr_pusch_pdu_t *pusch_pdu,nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15, dci_pdu_rel15_t *dci_pdu_rel15, int *dci_formats, int *rnti_types);
+void config_uldci(NR_BWP_Uplink_t *ubwp,
+                  nfapi_nr_pusch_pdu_t *pusch_pdu,
+                  nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15,
+                  dci_pdu_rel15_t *dci_pdu_rel15,
+                  int *dci_formats, int *rnti_types,
+                  int n_ubwp, int bwp_id);
 
 void configure_fapi_dl_Tx(module_id_t Mod_idP,
                           frame_t       frameP,
@@ -203,7 +208,8 @@ int nr_configure_pdcch(gNB_MAC_INST *nr_mac,
                        NR_ServingCellConfigCommon_t *scc,
                        NR_BWP_Downlink_t *bwp);
 
-void fill_dci_pdu_rel15(NR_CellGroupConfig_t *secondaryCellGroup,
+void fill_dci_pdu_rel15(NR_ServingCellConfigCommon_t *scc,
+                        NR_CellGroupConfig_t *secondaryCellGroup,
                         nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15,
                         dci_pdu_rel15_t *dci_pdu_rel15,
                         int *dci_formats,
@@ -289,6 +295,8 @@ void nr_process_mac_pdu(
     uint8_t *pduP,
     uint16_t mac_pdu_len);
 
+int binomial(int n, int k);
+
 
 /* \brief Function to indicate a received SDU on ULSCH.
 @param Mod_id Instance ID of gNB

openair2/RRC/NR/rrc_gNB_reconfig.c

@@ -1095,7 +1095,19 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
 
  secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id = calloc(1,sizeof(*secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id));
  *secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id = 1;
- secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig = NULL;
+
+ secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig = calloc(1,sizeof(*secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig));
+ NR_PUSCH_ServingCellConfig_t *pusch_scc = calloc(1,sizeof(*pusch_scc));
+ secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->present = NR_SetupRelease_PUSCH_ServingCellConfig_PR_setup;
+ secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup = pusch_scc;
+ pusch_scc->codeBlockGroupTransmission = NULL;
+ pusch_scc->rateMatching = NULL;
+ pusch_scc->xOverhead = NULL;
+ pusch_scc->ext1=calloc(1,sizeof(*pusch_scc->ext1));
+ pusch_scc->ext1->maxMIMO_Layers = calloc(1,sizeof(*pusch_scc->ext1->maxMIMO_Layers));
+ *pusch_scc->ext1->maxMIMO_Layers = 1;
+ pusch_scc->ext1->processingType2Enabled = NULL;
+
  secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->carrierSwitching = NULL;
 
  secondaryCellGroup->spCellConfig->spCellConfigDedicated->supplementaryUplink=NULL;