fixes in CSI UE reception and reporting for multiple BWPs

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -2484,6 +2484,11 @@ uint8_t nr_get_csi_measurements(NR_UE_MAC_INST_t *mac,
       NR_CSI_ReportConfig_t *csirep = csi_measconfig->csi_ReportConfigToAddModList->list.array[csi_report_id];
 
       if(csirep->reportConfigType.present == NR_CSI_ReportConfig__reportConfigType_PR_periodic){
+
+        const NR_PUCCH_CSI_Resource_t *pucchcsires = csirep->reportConfigType.choice.periodic->pucch_CSI_ResourceList.list.array[0];
+        if(pucchcsires->uplinkBandwidthPartId != bwp_id)
+          continue;
+
         int period, offset;
         csi_period_offset(csirep, NULL, &period, &offset);
 
@@ -2532,7 +2537,7 @@ uint8_t nr_get_csi_measurements(NR_UE_MAC_INST_t *mac,
           }
           AssertFatal(found != -1,
                       "CSI resource not found among PUCCH resources\n");
-
+          LOG_D(NR_MAC, "CSI reporting in frame %d slot %d CSI report ID %ld\n", frame, slot, csirep->reportConfigId);
           pucch->resource_indicator = found;
           csi_bits += nr_get_csi_payload(mac, pucch, csi_report_id, csi_measconfig);
         }
@@ -2683,9 +2688,9 @@ uint8_t get_csirs_RI_PMI_CQI_payload(NR_UE_MAC_INST_t *mac,
         if (csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list.array[csi_idx]->nzp_CSI_ResourceSetId ==
             *(csi_resourceconfig->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.array[0])) {
 
-          nr_csi_report_t *csi_report = &mac->csi_report_template[csi_reportconfig->reportConfigId];
+          nr_csi_report_t *csi_report = &mac->csi_report_template[csi_idx];
           compute_csi_bitlen(csi_MeasConfig, mac->csi_report_template);
-          n_bits = nr_get_csi_bitlen(mac->csi_report_template, csi_reportconfig->reportConfigId);
+          n_bits = nr_get_csi_bitlen(mac->csi_report_template, csi_idx);
 
           int cri_bitlen = csi_report->csi_meas_bitlen.cri_bitlen;
           int ri_bitlen = csi_report->csi_meas_bitlen.ri_bitlen;
@@ -2740,9 +2745,9 @@ uint8_t get_csirs_RSRP_payload(NR_UE_MAC_INST_t *mac,
         if (csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list.array[csi_idx]->nzp_CSI_ResourceSetId ==
             *(csi_resourceconfig->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.array[0])) {
 
-          nr_csi_report_t *csi_report = &mac->csi_report_template[csi_reportconfig->reportConfigId];
+          nr_csi_report_t *csi_report = &mac->csi_report_template[csi_idx];
           compute_csi_bitlen(csi_MeasConfig, mac->csi_report_template);
-          n_bits = nr_get_csi_bitlen(mac->csi_report_template, csi_reportconfig->reportConfigId);
+          n_bits = nr_get_csi_bitlen(mac->csi_report_template, csi_idx);
 
           int cri_ssbri_bitlen = csi_report->CSI_report_bitlen.cri_ssbri_bitlen;
           int rsrp_bitlen = csi_report->CSI_report_bitlen.rsrp_bitlen;

openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c

@@ -2512,8 +2512,25 @@ void nr_schedule_csirs_reception(NR_UE_MAC_INST_t *mac, int frame, int slot) {
   uint16_t bwp_size = NRRIV2BW(genericParameters->locationAndBandwidth, MAX_BWP_SIZE);
   uint16_t bwp_start = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth, MAX_BWP_SIZE);
 
+  // looking for the correct CSI-RS resource in current BWP
+  NR_NZP_CSI_RS_ResourceSetId_t *nzp = NULL;
+  for (int csi_list=0; csi_list<csi_measconfig->csi_ResourceConfigToAddModList->list.count; csi_list++) {
+    NR_CSI_ResourceConfig_t *csires = csi_measconfig->csi_ResourceConfigToAddModList->list.array[csi_list];
+    if(csires->bwp_Id == dl_bwp_id &&
+       csires->csi_RS_ResourceSetList.present == NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB &&
+       csires->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList) {
+      nzp = csires->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.array[0];
+    }
+  }
+
+  if (nzp == NULL)
+    return; // no resource associated to current BWP
+
   for (int id = 0; id < csi_measconfig->nzp_CSI_RS_ResourceToAddModList->list.count; id++){
     nzpcsi = csi_measconfig->nzp_CSI_RS_ResourceToAddModList->list.array[id];
+    // reception of CSI-RS only for current BWP
+    if (nzpcsi->nzp_CSI_RS_ResourceId != *nzp)
+      continue;
     csi_period_offset(NULL,nzpcsi->periodicityAndOffset,&period,&offset);
     if((frame*nr_slots_per_frame[mu]+slot-offset)%period != 0)
       continue;