ue nr pbch bug fix

openair1/PHY/INIT/nr_parms.c

@@ -165,18 +165,6 @@ int nr_init_frame_parms_ue(nfapi_config_request_t* config,
   LOG_I(PHY,"Initializing frame parms for mu %d, N_RB %d, Ncp %d\n",mu, N_RB, Ncp);
 #endif
 
-  frame_parms->frame_type          = FDD;
-  frame_parms->tdd_config          = 3;
-  //frame_parms[CC_id]->tdd_config_S        = 0;
-  frame_parms->N_RB_DL             = 100;
-  frame_parms->N_RB_UL             = 100;
-  frame_parms->Ncp                 = NORMAL;
-  //frame_parms[CC_id]->Ncp_UL              = NORMAL;
-  frame_parms->Nid_cell            = 0;
-  //frame_parms[CC_id]->num_MBSFN_config    = 0;
-  frame_parms->nb_antenna_ports_eNB  = 1;
-  frame_parms->nb_antennas_tx      = 1;
-  frame_parms->nb_antennas_rx      = 1;
 
   if (Ncp == EXTENDED)
     AssertFatal(mu == NR_MU_2,"Invalid cyclic prefix %d for numerology index %d\n", Ncp, mu);

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -52,7 +52,7 @@ void set_default_frame_parms_single(nfapi_config_request_t *config, NR_DL_FRAME_
 
 //#define DEBUG_INITIAL_SYNCH
 
-int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
+int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
 {
 
   uint8_t l,pbch_decoded,frame_mod4,pbch_tx_ant,dummy;
@@ -262,12 +262,12 @@ int nr_initial_sync(PHY_VARS_NR_UE *ue, runmode_t mode)
 
     rx_sss_nr(ue,&metric_fdd_ncp,&phase_fdd_ncp);
 
-    set_default_frame_parms_single(config,&ue->frame_parms);
+    //set_default_frame_parms_single(config,&ue->frame_parms);
     nr_init_frame_parms_ue(config,&ue->frame_parms);
 
     nr_gold_pbch(ue);
-    ret = pbch_detection(ue,mode);
-    ret = -1;
+    ret = nr_pbch_detection(ue,mode);
+    ret = -1;  //to be deleted
     //   write_output("rxdata2.m","rxd2",ue->common_vars.rxdata[0],10*frame_parms->samples_per_tti,1,1);
 
 #ifdef DEBUG_INITIAL_SYNCH

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c

@@ -470,8 +470,8 @@ void nr_pbch_quantize(int8_t *pbch_llr8,
   }
 }
 
-unsigned short sign(short x) {
-  return (unsigned short)x >> 15;
+unsigned char sign(int8_t x) {
+  return (unsigned char)x >> 7;
 }
 
 uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
@@ -612,7 +612,7 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
   decoderState = polar_decoder(demod_pbch_e, pbch_a, &frame_parms->pbch_polar_params, decoderListSize, aPrioriArray, pathMetricAppr);
 
    for (i=0; i<32 /*(NR_POLAR_PBCH_PAYLOAD_BITS>>3)*/; i++)
-     printf("pbch_a[%d] = %d \n", i,pbch_a[i]);
+     printf("pbch_a[%d] = %u \n", i,pbch_a[i]);
   
   //un-scrambling
   nr_pbch_unscrambling(frame_parms,pbch_a,NR_POLAR_PBCH_PAYLOAD_BITS);

openair1/PHY/defs_nr_UE.h

@@ -642,7 +642,7 @@ typedef struct {
   int32_t **dl_ch_estimates_ext;
   /// \brief Pointer to PBCH llrs.
   /// - first index: ? [0..1919] (hard coded)
-  int16_t *llr;
+  int8_t *llr;
   /// \brief Pointer to PBCH decoded output.
   /// - first index: ? [0..63] (hard coded)
   uint8_t *decoded_output;