flag to set sib1 decoded status

openair2/LAYER2/NR_MAC_UE/mac_defs.h

@@ -385,6 +385,7 @@ typedef struct {
   long                            physCellId;
   ////  MAC config
   int                             first_sync_frame;
+  bool                            sib1_decoded;
   NR_DRX_Config_t                 *drx_Config;
   NR_SchedulingRequestConfig_t    *schedulingRequestConfig;
   NR_BSR_Config_t                 *bsr_Config;

openair2/LAYER2/NR_MAC_UE/main_ue_nr.c

@@ -51,6 +51,7 @@ NR_UE_MAC_INST_t * nr_l2_init_ue(NR_UE_RRC_INST_t* rrc_inst) {
     //init mac here
     nr_ue_mac_inst = (NR_UE_MAC_INST_t *)calloc(sizeof(NR_UE_MAC_INST_t),NB_NR_UE_MAC_INST);
     nr_ue_mac_inst->first_sync_frame = -1;
+    nr_ue_mac_inst->sib1_decoded = false;
 
     for (int j=0;j<NB_NR_UE_MAC_INST;j++) {
 	nr_ue_init_mac(j);

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -374,7 +374,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
     else
       ssb_sc_offset_norm = ssb_subcarrier_offset;
 
-    if (mac->first_sync_frame == -1)
+    if (!mac->sib1_decoded) {
       nr_ue_sib1_scheduler(module_id,
                            cc_id,
                            ssb_start_symbol,
@@ -384,18 +384,20 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
                            ssb_start_subcarrier,
                            mac->frequency_range,
                            phy_data);
+      mac->first_sync_frame = frame;
+    }
   }
   else {
     NR_ServingCellConfigCommon_t *scc = mac->scc;
     scs_ssb = *scc->ssbSubcarrierSpacing;
     band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
     ssb_start_symbol = get_ssb_start_symbol(band,scs_ssb,ssb_index);
+    if (mac->first_sync_frame == -1)
+      mac->first_sync_frame = frame;
   }
 
   mac->dl_config_request.sfn = frame;
   mac->dl_config_request.slot = ssb_start_symbol/14;
-  if (mac->first_sync_frame == -1)
-    mac->first_sync_frame = frame;
 
   return 0;
 }
@@ -408,6 +410,8 @@ int8_t nr_ue_decode_BCCH_DL_SCH(module_id_t module_id,
                                 uint32_t pdu_len) {
   if(ack_nack) {
     LOG_D(NR_MAC, "Decoding NR-BCCH-DL-SCH-Message (SIB1 or SI)\n");
+    NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
+    mac->sib1_decoded = true;
     nr_mac_rrc_data_ind_ue(module_id, cc_id, gNB_index, 0, 0, 0, NR_BCCH_DL_SCH, (uint8_t *) pduP, pdu_len);
   }
   else
@@ -428,8 +432,8 @@ int8_t nr_ue_process_dci_freq_dom_resource_assignment(nfapi_nr_ue_pusch_pdu_t *p
                                                       fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config_pdu,
                                                       uint16_t n_RB_ULBWP,
                                                       uint16_t n_RB_DLBWP,
-						      uint16_t riv
-						      ){
+                                                      uint16_t riv)
+{
 
   /*
    * TS 38.214 subclause 5.1.2.2 Resource allocation in frequency domain (downlink)