Added PRS resource repetition capability in OAI gNB and UE

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -68,13 +68,16 @@ uint8_t check_prs_slot_gNB(uint8_t *prs_rsc_id, NR_gNB_PRS *prs_vars, NR_DL_FRAM
   uint8_t is_prs_slot = 0, rsc_id = 0;
   for(rsc_id = 0; rsc_id < prs_vars->NumPRSResources; rsc_id++)
   {
-    if((prs_vars->prs_cfg[rsc_id].PRSResourceSetPeriod[1] + prs_vars->prs_cfg[rsc_id].PRSResourceOffset) == ((frame_tx*fp->slots_per_frame+nr_slot_tx)%prs_vars->prs_cfg[rsc_id].PRSResourceSetPeriod[0]))
+    for (int i = 0; i < prs_vars->prs_cfg[rsc_id].PRSResourceRepetition; i++)
+    {
+      if( (((frame_tx*fp->slots_per_frame + nr_slot_tx) - (prs_vars->prs_cfg[rsc_id].PRSResourceSetPeriod[1] + prs_vars->prs_cfg[rsc_id].PRSResourceOffset))%prs_vars->prs_cfg[rsc_id].PRSResourceSetPeriod[0]) == i*prs_vars->prs_cfg[rsc_id].PRSResourceTimeGap )
       {
         is_prs_slot = 1;
         *prs_rsc_id  = rsc_id;
         break;
       }
     }
+  }
   return is_prs_slot;
 }
 

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -1381,8 +1381,9 @@ uint8_t check_prs_slot_nrUE(PHY_VARS_NR_UE *ue, NR_DL_FRAME_PARMS *fp, uint8_t *
   {
     for(rsc_id = 0; rsc_id < ue->prs_vars[gNB_id]->NumPRSResources; rsc_id++)
     {
-      if((ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceSetPeriod[1] + ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceOffset) ==
-          ((frame_rx*fp->slots_per_frame + nr_slot_rx)%ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceSetPeriod[0]))
+      for (int i = 0; i < ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceRepetition; i++)
+      {
+        if( (((frame_rx*fp->slots_per_frame + nr_slot_rx) - (ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceSetPeriod[1] + ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceOffset))%ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceSetPeriod[0]) == i*ue->prs_vars[gNB_id]->prs_resource[rsc_id].prs_cfg.PRSResourceTimeGap)
         {
           is_prs_slot = 1;
           *prs_rsc_id = rsc_id;
@@ -1391,6 +1392,7 @@ uint8_t check_prs_slot_nrUE(PHY_VARS_NR_UE *ue, NR_DL_FRAME_PARMS *fp, uint8_t *
         }
       }
     }
+  }
   return is_prs_slot;
 }