Added PTRS parameters in UE nFAPI interface

- PTRSPortIndex, PTRSTimeDensity, PTRSFreqDensity, PTRSReOffset, nEpreRatioOfPDSCHToPTRS
- mcs_table : to calculate MCS table in MAC layer and pass tp PHY
- pduBitmap : same as used in DL FAPI interface, to enable or disable PTRS processing

nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h

@@ -468,6 +468,21 @@ typedef struct {
   uint8_t cbgti;
   uint8_t codeBlockGroupFlushIndicator;
   //  to be check the fields needed to L1 with NR_DL_UE_HARQ_t and NR_UE_DLSCH_t
+  // PTRS [TS38.214, sec 5.1.6.3]
+  /// PT-RS antenna ports [TS38.214, sec 5.1.6.3] [TS38.211, table 7.4.1.2.2-1] Bitmap occupying the 6 LSBs with: bit 0: antenna port 1000 bit 5: antenna port 1005 and for each bit 0: PTRS port not used 1: PTRS port used
+  uint8_t PTRSPortIndex ;
+  /// PT-RS time density [TS38.214, table 5.1.6.3-1] 0: 1 1: 2 2: 4
+  uint8_t PTRSTimeDensity;
+  /// PT-RS frequency density [TS38.214, table 5.1.6.3-2] 0: 2 1: 4
+  uint8_t PTRSFreqDensity;
+  /// PT-RS resource element offset [TS38.211, table 7.4.1.2.2-1] Value: 0->3
+  uint8_t PTRSReOffset;
+  ///  PT-RS-to-PDSCH EPRE ratio [TS38.214, table 4.1-2] Value :0->3
+  uint8_t nEpreRatioOfPDSCHToPTRS;
+  /// MCS table for this DLSCH
+  uint8_t mcs_table;
+  
+  uint16_t pduBitmap;
 } fapi_nr_dl_config_dlsch_pdu_rel15_t;
 
 typedef struct {

openair1/SCHED_NR_UE/fapi_nr_ue_l1.c

@@ -109,9 +109,16 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
             dlsch0_harq->harq_ack.pucch_resource_indicator = dlsch_config_pdu->pucch_resource_id;
             dlsch0_harq->harq_ack.slot_for_feedback_ack = (slot+dlsch_config_pdu->pdsch_to_harq_feedback_time_ind)%frame_parms.slots_per_frame;
             dlsch0_harq->Nl=1;
-            dlsch0_harq->mcs_table=0;
+            dlsch0_harq->mcs_table=dlsch_config_pdu->mcs_table;
             dlsch0_harq->harq_ack.rx_status = downlink_harq_process(dlsch0_harq, dlsch0->current_harq_pid, dlsch_config_pdu->ndi, dlsch0->rnti_type);
             dlsch0_harq->harq_ack.vDAI_DL = dlsch_config_pdu->dai;
+            /* PTRS */
+            dlsch0_harq->PTRSFreqDensity = dlsch_config_pdu->PTRSFreqDensity;
+            dlsch0_harq->PTRSTimeDensity = dlsch_config_pdu->PTRSTimeDensity;
+            dlsch0_harq->PTRSPortIndex = dlsch_config_pdu->PTRSPortIndex;
+            dlsch0_harq->nEpreRatioOfPDSCHToPTRS = dlsch_config_pdu->nEpreRatioOfPDSCHToPTRS;
+            dlsch0_harq->PTRSReOffset = dlsch_config_pdu->PTRSReOffset;
+            dlsch0_harq->pduBitmap = dlsch_config_pdu->pduBitmap;
             LOG_D(MAC, ">>>> \tdlsch0->g_pucch = %d\tdlsch0_harq.mcs = %d\n", dlsch0->g_pucch, dlsch0_harq->mcs);
 		
           }