frame number synchronization at UE

executables/nr-ue.c

@@ -383,7 +383,7 @@ void processSlotTX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
     rvidx = 0;
     //------------------------------------------------------------------------------//
 
-    scheduled_response.ul_config->sfn_slot = NR_UPLINK_SLOT;
+    //scheduled_response.ul_config->sfn_slot = NR_UPLINK_SLOT;
     scheduled_response.ul_config->number_pdus = 1;
     scheduled_response.ul_config->ul_config_list[0].pdu_type = FAPI_NR_UL_CONFIG_TYPE_PUSCH;
     scheduled_response.ul_config->ul_config_list[0].ulsch_config_pdu.rnti = n_rnti;
@@ -410,6 +410,7 @@ void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
 
   nr_dcireq_t dcireq;
   nr_scheduled_response_t scheduled_response;
+  uint8_t  ssb_period = UE->nrUE_config.ssb_table.ssb_period; 
 
   //program DCI for slot 1
   //TODO: all of this has to be moved to the MAC!!!
@@ -427,6 +428,13 @@ void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
     scheduled_response.tx_request = NULL;
     scheduled_response.module_id = UE->Mod_id;
     scheduled_response.CC_id     = 0;
+    if (!((proc->frame_rx)%(1<<(ssb_period-1)))) {
+      if(proc->frame_rx > dcireq.dl_config_req.sfn)
+        UE->frame_gap = proc->frame_rx - dcireq.dl_config_req.sfn;
+      if(proc->frame_rx < dcireq.dl_config_req.sfn)
+        UE->frame_gap = dcireq.dl_config_req.sfn - proc->frame_rx;
+      proc->frame_rx = dcireq.dl_config_req.sfn;
+    }
     scheduled_response.frame = proc->frame_rx;
     scheduled_response.slot  = proc->nr_tti_rx;
 
@@ -618,7 +626,7 @@ void *UE_thread(void *arg) {
                                   newNotifiedFIFO_elt(sizeof(processingData_t), 0,&nf,UE_processing));
 
   bool syncRunning=false;
-  const int nb_slot_frame = 10*UE->frame_parms.slots_per_subframe;
+  const int nb_slot_frame = UE->frame_parms.slots_per_frame;
   int absolute_slot=0, decoded_frame_rx=INT_MAX, trashed_frames=0;
 
   while (!oai_exit) {
@@ -691,8 +699,8 @@ void *UE_thread(void *arg) {
     curMsg->proc.subframe_rx=table_sf_slot[slot_nr];
     curMsg->proc.nr_tti_tx = (absolute_slot + DURATION_RX_TO_TX) % nb_slot_frame;
     curMsg->proc.subframe_tx=curMsg->proc.nr_tti_rx;
-    curMsg->proc.frame_rx = ( absolute_slot/nb_slot_frame ) % MAX_FRAME_NUMBER;
-    curMsg->proc.frame_tx = ( (absolute_slot + DURATION_RX_TO_TX) /nb_slot_frame ) % MAX_FRAME_NUMBER;
+    curMsg->proc.frame_rx = ((absolute_slot/nb_slot_frame)+UE->frame_gap) % MAX_FRAME_NUMBER;
+    curMsg->proc.frame_tx = (((absolute_slot+DURATION_RX_TO_TX)/nb_slot_frame)+UE->frame_gap) % MAX_FRAME_NUMBER;
     curMsg->proc.decoded_frame_rx=-1;
     //LOG_I(PHY,"Process slot %d thread Idx %d total gain %d\n", slot_nr, thread_idx, UE->rx_total_gain_dB);
 
@@ -735,9 +743,9 @@ void *UE_thread(void *arg) {
                                            readBlockSize,
                                            UE->frame_parms.nb_antennas_rx),"");
 
-if (slot_nr==18)
-    AssertFatal( writeBlockSize ==
-                 UE->rfdevice.trx_write_func(&UE->rfdevice,
+    if (slot_nr==18)
+      AssertFatal(writeBlockSize ==
+                  UE->rfdevice.trx_write_func(&UE->rfdevice,
                      timestamp+
                      (DURATION_RX_TO_TX*UE->frame_parms.samples_per_slot) -
                      UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0 -

nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h

@@ -129,7 +129,8 @@ typedef struct {
 ///
 #define NFAPI_RX_IND_MAX_PDU 100
 typedef struct {
-  uint32_t sfn_slot;
+  uint16_t sfn;
+  uint16_t slot;
   uint16_t number_pdus;
   fapi_nr_rx_indication_body_t rx_indication_body[NFAPI_RX_IND_MAX_PDU];
 } fapi_nr_rx_indication_t;
@@ -148,7 +149,8 @@ typedef struct {
 
 ///
 typedef struct {
-  uint32_t sfn_slot;
+  uint16_t sfn;
+  uint16_t slot;
   fapi_nr_tx_config_t tx_config;
   uint16_t number_of_pdus;
   fapi_nr_tx_request_body_t *tx_request_body;
@@ -304,7 +306,8 @@ typedef struct {
 } fapi_nr_ul_config_request_pdu_t;
 
 typedef struct {
-  uint32_t sfn_slot;
+  uint16_t sfn;
+  uint16_t slot;
   uint8_t number_pdus;
   fapi_nr_ul_config_request_pdu_t ul_config_list[FAPI_NR_UL_CONFIG_LIST_NUM];
 } fapi_nr_ul_config_request_t;
@@ -383,7 +386,8 @@ typedef struct {
 } fapi_nr_dl_config_request_pdu_t;
 
 typedef struct {
-  uint32_t sfn_slot;
+  uint16_t sfn;
+  uint16_t slot;
   uint8_t number_pdus;
   fapi_nr_dl_config_request_pdu_t dl_config_list[FAPI_NR_DL_CONFIG_LIST_NUM];
 } fapi_nr_dl_config_request_t;

openair1/PHY/INIT/nr_parms.c

@@ -25,7 +25,9 @@
 
 /// Subcarrier spacings in Hz indexed by numerology index
 uint32_t nr_subcarrier_spacing[MAX_NUM_SUBCARRIER_SPACING] = {15e3, 30e3, 60e3, 120e3, 240e3};
-uint16_t nr_slots_per_subframe[MAX_NUM_SUBCARRIER_SPACING] = {1, 2, 4, 16, 32};
+uint16_t nr_slots_per_subframe[MAX_NUM_SUBCARRIER_SPACING] = {1, 2, 4, 8, 16};
+
+
 
 int nr_get_ssb_start_symbol(NR_DL_FRAME_PARMS *fp)
 {

openair1/PHY/NR_TRANSPORT/nr_pbch.c

@@ -242,7 +242,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
   ///Payload generation
   memset((void *)pbch, 0, sizeof(NR_gNB_PBCH));
   pbch->pbch_a=0;
-  uint8_t ssb_index = ssb_pdu->ssb_pdu_rel15.SsbBlockIndex;
+  uint8_t ssb_index = frame_parms->ssb_index;
   uint8_t *pbch_pdu = (uint8_t*)&ssb_pdu->ssb_pdu_rel15.bchPayload;
   for (int i=0; i<NR_PBCH_PDU_BITS; i++)
     pbch->pbch_a |= ((pbch_pdu[i>>3]>>(7-(i&7)))&1)<<i;

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c

@@ -588,6 +588,12 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
 
   ue->symbol_offset = nr_get_ssb_start_symbol(frame_parms);
 
+  uint8_t frame_number_4lsb = 0;
+  for (int i=0; i<4; i++)
+    frame_number_4lsb |= ((nr_ue_pbch_vars->xtra_byte>>i)&1)<<(3-i);
+
+  proc->decoded_frame_rx = frame_number_4lsb;
+
 #ifdef DEBUG_PBCH
   printf("xtra_byte %x payload %x\n", nr_ue_pbch_vars->xtra_byte, payload);
 
@@ -602,7 +608,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
     
   dl_indication.rx_ind = &rx_ind; //  hang on rx_ind instance
   dl_indication.dci_ind = NULL; 
-  dl_indication.proc=proc;        // needed to signal back the frame number -> FIXME
+  dl_indication.proc=proc;
   dl_indication.module_id=0;
   dl_indication.cc_id=proc->CC_id;
 

openair1/PHY/defs_gNB.h

@@ -627,6 +627,8 @@ typedef struct PHY_VARS_gNB_s {
   nfapi_nr_ul_dci_request_pdus_t  *ul_dci_pdu;
   nfapi_nr_dl_tti_ssb_pdu      ssb_pdu;
 
+  uint8_t skipped_slots; // for 120kHz SSB transmission
+
   int num_pdsch_rnti;
   NR_gNB_PBCH         pbch;
   nr_cce_t           cce_list[MAX_DCI_CORESET][NR_MAX_PDCCH_AGG_LEVEL];

openair1/PHY/defs_nr_UE.h

@@ -872,6 +872,8 @@ typedef struct {
 
   fapi_nr_config_request_t nrUE_config;
 
+  uint16_t frame_gap;
+
   // the following structures are not part of PHY_vars_UE anymore as it is not thread safe. They are now on the stack of the functions that actually need them
   
   //nr_downlink_indication_t dl_indication;

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -49,40 +49,6 @@
 #endif
 
 extern uint8_t nfapi_mode;
-/*
-int return_ssb_type(nfapi_config_request_t *cfg)
-{
-  int mu = cfg->subframe_config.numerology_index_mu.value;
-  nr_ssb_type_e ssb_type;
-
-  switch(mu) {
-
-  case NR_MU_0:
-    ssb_type = nr_ssb_type_A;
-    break;
-
-  case NR_MU_1:
-    ssb_type = nr_ssb_type_B;
-    break;
-
-  case NR_MU_3:
-    ssb_type = nr_ssb_type_D;
-    break;
-
-  case NR_MU_4:
-    ssb_type = nr_ssb_type_E;
-    break;
-
-  default:
-    AssertFatal(0==1, "Invalid numerology index %d for the synchronization block\n", mu);
-  }
-
-  LOG_D(PHY, "SSB type %d\n", ssb_type);
-  return ssb_type;
-
-}*/
-
-
 
 void nr_set_ssb_first_subcarrier(nfapi_nr_config_request_scf_t *cfg, NR_DL_FRAME_PARMS *fp) {
   fp->ssb_start_subcarrier = (12 * cfg->ssb_table.ssb_offset_point_a.value + cfg->ssb_table.ssb_subcarrier_offset.value);
@@ -90,13 +56,17 @@ void nr_set_ssb_first_subcarrier(nfapi_nr_config_request_scf_t *cfg, NR_DL_FRAME
 }
 
 void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
+
   NR_DL_FRAME_PARMS *fp=&gNB->frame_parms;
   nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
   int **txdataF = gNB->common_vars.txdataF;
   uint8_t ssb_index, n_hf;
-  int ssb_start_symbol, rel_slot;
+  uint16_t ssb_start_symbol, rel_slot;
   int txdataF_offset = (slot%2)*fp->samples_per_slot_wCP;
-  uint16_t slots_per_hf = fp->slots_per_frame / 2;
+  uint16_t slots_per_hf = (fp->slots_per_frame)>>1;
+
+  if (slot==0)
+    gNB->skipped_slots = 0;
 
   n_hf = fp->half_frame_bit;
 
@@ -108,41 +78,44 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
       n_hf=1;
   }
 
-  // to set a effective slot number between 0 to 9 in the half frame where the SSB is supposed to be
+  // to set a effective slot number in the half frame where the SSB is supposed to be
   rel_slot = (n_hf)? (slot-slots_per_hf) : slot; 
 
   LOG_D(PHY,"common_signal_procedures: frame %d, slot %d\n",frame,slot);
 
-  if(rel_slot<10 && rel_slot>=0)  {
-    for (int i=0; i<2; i++)  {  // max two SSB per frame
+  if ((slot==8) || (slot==9) || (slot==18) || (slot==19) || (slot==28) || (slot==29))
+    gNB->skipped_slots = gNB->skipped_slots + 1;
+  else {
+    if(rel_slot<slots_per_hf && rel_slot>=0)  {
+      for (int i=0; i<2; i++)  {  // max two SSB per frame
       
-      ssb_index = i + 2*rel_slot; // computing the ssb_index
-      if ((fp->L_ssb >> ssb_index) & 0x01)  { // generating the ssb only if the bit of L_ssb at current ssb index is 1
+        ssb_index = i + ((rel_slot - gNB->skipped_slots)<<1); // computing the ssb_index
+        if ((fp->L_ssb >> ssb_index) & 0x01)  { // generating the ssb only if the bit of L_ssb at current ssb index is 1
 	
-        gNB->ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = ssb_index;
-        fp->ssb_index = ssb_index;
-	int ssb_start_symbol_abs = nr_get_ssb_start_symbol(fp); // computing the starting symbol for current ssb
-	ssb_start_symbol = ssb_start_symbol_abs % 14;  // start symbol wrt slot
+          fp->ssb_index = ssb_index;
+	  int ssb_start_symbol_abs = nr_get_ssb_start_symbol(fp); // computing the starting symbol for current ssb
+	  ssb_start_symbol = ssb_start_symbol_abs % fp->symbols_per_slot;  // start symbol wrt slot
 	
-	nr_set_ssb_first_subcarrier(cfg, fp);  // setting the first subcarrier
+	  nr_set_ssb_first_subcarrier(cfg, fp);  // setting the first subcarrier
 	
-	LOG_D(PHY,"SS TX: frame %d, slot %d, start_symbol %d\n",frame,slot, ssb_start_symbol);
-	nr_generate_pss(gNB->d_pss, &txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
-	nr_generate_sss(gNB->d_sss, &txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
+	  LOG_D(PHY,"SS TX: frame %d, slot %d, start_symbol %d\n",frame,slot, ssb_start_symbol);
+	  nr_generate_pss(gNB->d_pss, &txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
+	  nr_generate_sss(gNB->d_sss, &txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
 	
-	if (cfg->carrier_config.num_tx_ant.value <= 4)
-	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],&txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
-	else
-	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],&txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
+          if (cfg->carrier_config.num_tx_ant.value <= 4)
+	    nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],&txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
+          else
+	    nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],&txdataF[0][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
 	
-	nr_generate_pbch(&gNB->pbch,
-			 &gNB->ssb_pdu,
-			 gNB->nr_pbch_interleaver,
-			 &txdataF[0][txdataF_offset],
-			 AMP,
-			 ssb_start_symbol,
-			 n_hf,cfg->carrier_config.num_tx_ant.value,
-			 frame, cfg, fp);
+	  nr_generate_pbch(&gNB->pbch,
+	                   &gNB->ssb_pdu,
+			   gNB->nr_pbch_interleaver,
+			   &txdataF[0][txdataF_offset],
+			   AMP,
+			   ssb_start_symbol,
+			   n_hf,cfg->carrier_config.num_tx_ant.value,
+			   frame, cfg, fp);
+        }
       }
     }
   }
@@ -161,7 +134,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
   
   
   if (cfg->ssb_table.ssb_period.value > 1) 
-    ssb_frame_periodicity = 1 <<(cfg->ssb_table.ssb_period.value -1) ;  // 10ms is the frame length
+    ssb_frame_periodicity = 1 <<(cfg->ssb_table.ssb_period.value -1) ; 
 
   if ((cfg->cell_config.frame_duplex_type.value == TDD) &&
       (nr_slot_select(cfg,frame,slot) == NR_UPLINK_SLOT)) return;

openair1/SCHED_NR_UE/defs.h

@@ -370,7 +370,7 @@ void nr_compute_srs_pos(lte_frame_type_t frameType,uint16_t isrs,uint16_t *psrsP
 void set_tx_harq_id(NR_UE_ULSCH_t *ulsch, int harq_pid, int slot_tx);
 int get_tx_harq_id(NR_UE_ULSCH_t *ulsch, int slot_tx);
 
-int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp, int mib_sfn);
+int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp);
 
 /*@}*/
 

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -4027,9 +4027,9 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 #endif
 
 
-int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp, int mib_sfn)  {
+int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp)  {
 
-  int ssb_slot_decoded = (fp->ssb_index)/2;
+  int ssb_slot_decoded = (fp->ssb_index>>1) + ((fp->ssb_index>>4)<<1); //slot in which the decoded SSB can be found
 
   if (config->ssb_table.ssb_period == 0) {  
     // check for pbch in corresponding slot each half frame
@@ -4040,7 +4040,7 @@ int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL
   }
   else {
     // if the current frame is supposed to contain ssb
-    if (!((frame-(mib_sfn))%(1<<config->ssb_table.ssb_period)))
+    if (!(frame%(1<<(config->ssb_table.ssb_period-1))))
       return(slot == ssb_slot_decoded);
     else
       return 0;
@@ -4081,7 +4081,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
   if (pdcch_vars->nb_search_space > 0)
     get_coreset_rballoc(pdcch_vars->pdcch_config[0].coreset.frequency_domain_resource,&coreset_nb_rb,&coreset_start_rb);
   
-  slot_pbch = is_pbch_in_slot(cfg, frame_rx, nr_tti_rx, fp, proc->decoded_frame_rx);
+  slot_pbch = is_pbch_in_slot(cfg, frame_rx, nr_tti_rx, fp);
 
   // looking for pbch only in slot where it is supposed to be
   if ((ue->decode_MIB == 1) && slot_pbch)

openair2/LAYER2/NR_MAC_UE/mac_proto.h

@@ -49,7 +49,6 @@
    \param pdu_length     length of pdu
    \param cell_id        cell id */
 int8_t nr_ue_decode_mib(
-    UE_nr_rxtx_proc_t *proc,
     module_id_t module_id, 
     int cc_id, 
     uint8_t gNB_index, 

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -223,8 +223,7 @@ int8_t nr_ue_process_dlsch(module_id_t module_id,
   return 0;
 }
 
-int8_t nr_ue_decode_mib(UE_nr_rxtx_proc_t *proc,
-                        module_id_t module_id,
+int8_t nr_ue_decode_mib(module_id_t module_id,
                         int cc_id,
                         uint8_t gNB_index,
                         uint8_t extra_bits,	//	8bits 38.212 c7.1.1
@@ -247,7 +246,6 @@ int8_t nr_ue_decode_mib(UE_nr_rxtx_proc_t *proc,
     frame_number_4lsb |= ((extra_bits>>i)&1)<<(3-i);
   uint8_t half_frame_bit = ( extra_bits >> 4 ) & 0x1;               //	extra bits[4]
   uint8_t ssb_subcarrier_offset_msb = ( extra_bits >> 5 ) & 0x1;    //	extra bits[5]
-	    
   uint8_t ssb_subcarrier_offset = (uint8_t)mac->mib->ssb_SubcarrierOffset;
 
   //uint32_t ssb_index = 0;    //  TODO: ssb_index should obtain from L1 in case Lssb != 64
@@ -609,7 +607,9 @@ int8_t nr_ue_decode_mib(UE_nr_rxtx_proc_t *proc,
   mac->phy_config.Mod_id = module_id;
   mac->phy_config.CC_id = cc_id;
 
-  proc->decoded_frame_rx=frame;
+  mac->dl_config_request.sfn = frame;
+  mac->dl_config_request.slot = (ssb_index>>1) + ((ssb_index>>4)<<1); // not valid for 240kHz SCS 
+
   //}
   return 0;
 

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c

@@ -44,17 +44,16 @@
 static nr_ue_if_module_t *nr_ue_if_module_inst[MAX_IF_MODULES];
 
 //  L2 Abstraction Layer
-int handle_bcch_bch(UE_nr_rxtx_proc_t *proc, module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id){
-
-  return nr_ue_decode_mib( proc,
-		           module_id,
-			   cc_id,
-			   gNB_index,
-			   additional_bits,
-			   ssb_length,  //  Lssb = 64 is not support    
-			   ssb_index,
-			   pduP, 
-			   cell_id);
+int handle_bcch_bch(module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id){
+
+  return nr_ue_decode_mib(module_id,
+			  cc_id,
+			  gNB_index,
+			  additional_bits,
+			  ssb_length,  //  Lssb = 64 is not support    
+			  ssb_index,
+			  pduP, 
+			  cell_id);
 
 }
 
@@ -218,16 +217,14 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info){
     for(i=0; i<dl_info->rx_ind->number_pdus; ++i){
       switch(dl_info->rx_ind->rx_indication_body[i].pdu_type){
       case FAPI_NR_RX_PDU_TYPE_MIB:
-	ret_mask |= (handle_bcch_bch(dl_info->proc,
-				     dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
+	ret_mask |= (handle_bcch_bch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
 				     (dl_info->rx_ind->rx_indication_body+i)->mib_pdu.pdu,
 				     (dl_info->rx_ind->rx_indication_body+i)->mib_pdu.additional_bits,
 				     (dl_info->rx_ind->rx_indication_body+i)->mib_pdu.ssb_index,
 				     (dl_info->rx_ind->rx_indication_body+i)->mib_pdu.ssb_length,
 				     (dl_info->rx_ind->rx_indication_body+i)->mib_pdu.cell_id )) << FAPI_NR_RX_PDU_TYPE_MIB;
     	  LOG_D(MAC,"[L2][IF MODULE][DL INDICATION][RX_IND], MIB case Number of PDUs: %d \n", dl_info->rx_ind->number_pdus);
-	/*ret_mask |= (handle_bcch_bch( dl_info->proc,
-					     dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
+	/*ret_mask |= (handle_bcch_bch(      dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
 					     dl_info->rx_ind->rx_indication_body[i].mib_pdu.pdu,
 					     dl_info->rx_ind->rx_indication_body[i].mib_pdu.additional_bits,
 					     dl_info->rx_ind->rx_indication_body[i].mib_pdu.ssb_index,
@@ -306,11 +303,10 @@ int nr_ue_dcireq(nr_dcireq_t *dcireq) {
   fapi_nr_dl_config_request_t *dl_config=&dcireq->dl_config_req;
   NR_UE_MAC_INST_t *UE_mac = get_mac_inst(0);
 
+  dl_config->sfn=UE_mac->dl_config_request.sfn;
+  dl_config->slot=UE_mac->dl_config_request.slot;
   dl_config->number_pdus=0;
-
-  ue_dci_configuration(UE_mac,dl_config,dcireq->frame,dcireq->slot);
-
-
-  
+ 
+  ue_dci_configuration(UE_mac,dl_config,dcireq->frame,dcireq->slot); 
   return 0;
 }

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h

@@ -215,7 +215,7 @@ int nr_ue_dcireq(nr_dcireq_t *dcireq);
    \param ssb_index       SSB index within 0 - (L_ssb-1) corresponding to 38.331 ch.13 parameter i
    \param ssb_length      corresponding to L1 parameter L_ssb 
    \param cell_id         cell id */
-int handle_bcch_bch(UE_nr_rxtx_proc_t *proc, module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id);
+int handle_bcch_bch(module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id);
 
 //  TODO check
 /**\brief handle BCCH-DL-SCH message from dl_indication

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf

@@ -148,7 +148,7 @@ gNBs =
 # ssb_PositionsInBurs_BitmapPR
 # 1=short, 2=medium, 3=long
       ssb_PositionsInBurst_PR                                       = 2;
-      ssb_PositionsInBurst_Bitmap                                   = 15;
+      ssb_PositionsInBurst_Bitmap                                   = 1;
 
 # ssb_periodicityServingCell
 # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1