Fix scramblingID and gold sequence for PDCCH and PDSCH

openair1/PHY/INIT/nr_init_ue.c

@@ -272,9 +272,6 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
     }
   }
 
-  ue->scramblingID_pdcch = fp->Nid_cell;
-  nr_gold_pdcch(ue,fp->Nid_cell);
-
   //PDSCH DMRS init (eNB offset = 0)
   ue->nr_gold_pdsch[0] = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
   uint32_t ****pdsch_dmrs = ue->nr_gold_pdsch[0];
@@ -294,12 +291,6 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
     }
   }
 
-  // initializing the scrambling IDs for PDSCH DMRS
-  for (int i=0; i<2; i++)
-    ue->scramblingID[i]=fp->Nid_cell;
-
-  nr_gold_pdsch(ue,ue->scramblingID);
-
   // DLSCH
   for (gNB_id = 0; gNB_id < ue->n_connected_gNB; gNB_id++) {
     for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -304,6 +304,17 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
         sync_pos_frame = n_symb_prefix0*(fp->ofdm_symbol_size + fp->nb_prefix_samples0)+(ue->symbol_offset-n_symb_prefix0)*(fp->ofdm_symbol_size + fp->nb_prefix_samples);
         // for a correct computation of frame number to sync with the one decoded at MIB we need to take into account in which of the n_frames we got sync
         ue->init_sync_frame = n_frames - 1 - is;
+
+        // compute the scramblingID_pdcch and the gold pdcch
+        ue->scramblingID_pdcch = fp->Nid_cell;
+        nr_gold_pdcch(ue,fp->Nid_cell);
+
+        // compute the scrambling IDs for PDSCH DMRS
+        for (int i=0; i<2; i++)
+          ue->scramblingID[i]=fp->Nid_cell;
+
+        nr_gold_pdsch(ue,ue->scramblingID);
+
         // we also need to take into account the shift by samples_per_frame in case the if is true
         if (ue->ssb_offset < sync_pos_frame){
           ue->rx_offset = fp->samples_per_frame - sync_pos_frame + ue->ssb_offset;