ue pbch update

openair1/PHY/NR_REFSIG/nr_dmrs_rx.c

@@ -151,8 +151,8 @@ int nr_pbch_dmrs_rx(unsigned int *nr_gold_pbch,
       ((int16_t*)output)[(m<<1)+1] = nr_mod_table[((1 + ((nr_gold_pbch[m>>5]&(1<<(m&0x1f)))>>(m&0x1f)))<<1) + 1];
 #ifdef DEBUG_PBCH
 	//printf("nr_gold_pbch[m>>5] %x\n",nr_gold_pbch[m>>5]);
-       if (m<6)
-	printf("m %d  output %d %d addr %p\n", m, output[2*m], output[2*m+1],&output[0]);
+       if (m<16)
+	printf("m %d  output %d %d addr %p\n", m, ((int16_t*)output)[m<<1], ((int16_t*)output)[(m<<1)+1],&output[0]);
 #endif
     }
 

openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c

@@ -46,15 +46,15 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 
   uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
 
-  uint8_t nushift;
+  uint8_t nushift, Lmax, ssb_index=1, n_hf=0;
   uint8_t previous_thread_id = ue->current_thread_id[Ns>>1]==0 ? (RX_NB_TH-1):(ue->current_thread_id[Ns>>1]-1);
   int **dl_ch_estimates         =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset];
   int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF;
 
-
-  // recompute nushift with eNB_offset corresponding to adjacent eNB on which to perform channel estimation
-  nushift =  Nid_cell%4;
-
+  Lmax = 8; //to be updated
+  nushift =  (Lmax < 8)? ssb_index&3 : ssb_index&7;
+  ue->frame_parms.nushift = nushift;
+ 
   if (ue->high_speed_flag == 0) // use second channel estimate position for temporary storage
     ch_offset     = ue->frame_parms.ofdm_symbol_size ;
   else
@@ -124,11 +124,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
     break;
   }
 
-
-
   // generate pilot
-  nr_pbch_dmrs_rx(ue->nr_gold_pbch,
-					  &pilot[p][0]);
+  nr_pbch_dmrs_rx(ue->nr_gold_pbch[n_hf][ssb_index], &pilot[p][0]);
 
   for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
 

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -107,7 +107,7 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
                           ue->high_speed_flag,
                           frame_mod4);
 
-      pbch_decoded = 1;
+    pbch_decoded = 0; //to be updated
 //      break;
   //}
 

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c

@@ -617,11 +617,11 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
   for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS); i++)
      decoded_output[(NR_POLAR_PBCH_PAYLOAD_BITS)-i-1] = pbch_a[i];
 
-#ifdef DEBUG_PBCH
+  //#ifdef DEBUG_PBCH
   	  for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS); i++)
   		  printf("unscrambling pbch_a[%d] = %d \n", i,pbch_a[i]);
-  	  for (i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
-  		  printf("[PBCH] decoder_output[%d] = %x\n",i,decoded_output[i]);
-#endif
+  	  //for (i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
+	  //	  printf("[PBCH] decoder_output[%d] = %x\n",i,decoded_output[i]);
+	  //#endif
 
 }