UE is transmitting the SRS periodically

openair1/PHY/INIT/nr_init_ue.c

@@ -322,6 +322,8 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
     pbch_vars[gNB_id] = (NR_UE_PBCH *)malloc16_clear(sizeof(NR_UE_PBCH));
     srs_vars[gNB_id] = (NR_UE_SRS *)malloc16_clear(sizeof(NR_UE_SRS));
 
+    srs_vars[gNB_id]->active = false;
+
     if (abstraction_flag == 0) {
       for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
         phy_init_nr_ue__PDSCH( ue->pdsch_vars[th_id][gNB_id], fp );

openair1/PHY/NR_UE_TRANSPORT/srs_modulation_nr.h

@@ -140,7 +140,7 @@ EXTERN const uint16_t srs_periodicity[SRS_PERIODICITY]
     @param proc pointer to the transmit parameters
     @returns 0 on success -1 on error with message */
 
-int32_t generate_srs_nr(SRS_ResourceSet_t *p_srs_resource_set,
+int generate_srs_nr(fapi_nr_ul_config_srs_pdu *srs_config_pdu,
                         NR_DL_FRAME_PARMS *frame_parms,
                         int32_t *txptr,
                         int16_t amp,

openair1/PHY/defs_nr_UE.h

@@ -707,6 +707,7 @@ typedef struct {
 } NR_UE_PRACH;
 
 typedef struct {
+  bool active;
   fapi_nr_ul_config_srs_pdu srs_config_pdu;
 } NR_UE_SRS;
 

openair1/SCHED_NR_UE/fapi_nr_ue_l1.c

@@ -230,6 +230,7 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
           // srs config pdu
           srs_config_pdu = &ul_config->ul_config_list[i].srs_config_pdu;
           memcpy((void*)&(PHY_vars_UE_g[module_id][cc_id]->srs_vars[gNB_id]->srs_config_pdu), (void*)srs_config_pdu, sizeof(fapi_nr_ul_config_srs_pdu));
+          PHY_vars_UE_g[module_id][cc_id]->srs_vars[gNB_id]->active = true;
         break;
 
         default:

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -282,7 +282,7 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
     }
   }
 
-  if (ue->UE_mode[gNB_id] == PUSCH && is_srs_occasion_nr(ue->frame_parms, frame_tx, slot_tx)) {
+  if (ue->UE_mode[gNB_id] == PUSCH) {
     ue_srs_procedures_nr(ue, proc, gNB_id);
   }
 

openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c

@@ -945,7 +945,6 @@ bool nr_ue_periodic_srs_scheduling(module_id_t mod_id, frame_t frame, slot_t slo
       srs_config_pdu->cyclic_prefix = 0;
       srs_config_pdu->num_ant_ports = srs_resource->nrofSRS_Ports;
       srs_config_pdu->num_symbols = srs_resource->resourceMapping.nrofSymbols;
-
       srs_config_pdu->num_repetitions = srs_resource->resourceMapping.repetitionFactor;
       srs_config_pdu->time_start_position = srs_resource->resourceMapping.startPosition;
       srs_config_pdu->config_index = srs_resource->freqHopping.c_SRS;