fix procedure after T300 expiry

executables/nr-ue.c

@@ -538,7 +538,7 @@ void processSlotTX(void *arg)
 {
   nr_rxtx_thread_data_t *rxtxD = (nr_rxtx_thread_data_t *) arg;
   const UE_nr_rxtx_proc_t *proc = &rxtxD->proc;
-  PHY_VARS_NR_UE    *UE   = rxtxD->UE;
+  PHY_VARS_NR_UE *UE = rxtxD->UE;
   nr_phy_data_tx_t phy_data = {0};
 
   if (UE->if_inst)

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -105,8 +105,7 @@ int nr_pbch_detection(const UE_nr_rxtx_proc_t *proc,
                       int pbch_initial_symbol,
                       c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
 {
-  NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
-  int ret =-1;
+  NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
 
   NR_UE_SSB *best_ssb = NULL;
   NR_UE_SSB *current_ssb;
@@ -138,8 +137,9 @@ int nr_pbch_detection(const UE_nr_rxtx_proc_t *proc,
     }
   }
 
-  NR_UE_SSB *temp_ptr=best_ssb;
-  while (ret!=0 && temp_ptr != NULL) {
+  NR_UE_SSB *temp_ptr = best_ssb;
+  int ret = -1;
+  while (ret != 0 && temp_ptr != NULL) {
 
     start_meas(&ue->dlsch_channel_estimation_stats);
     // computing channel estimation for selected best ssb
@@ -165,14 +165,10 @@ int nr_pbch_detection(const UE_nr_rxtx_proc_t *proc,
 
   free_list(best_ssb);
 
-  if (ret == 0)
+  if (ret == 0) {
     frame_parms->nb_antenna_ports_gNB = 1; // pbch_tx_ant;
-
-  // set initial transmission mode to 1 or 2 depending on number of detected TX antennas
-  // frame_parms->mode1_flag = (pbch_tx_ant==1);
-  // openair_daq_vars.dlsch_transmission_mode = (pbch_tx_ant>1) ? 2 : 1;
-
-  LOG_I(PHY, "[UE%d] Initial sync: pbch decoded sucessfully, ssb index %d\n", ue->Mod_id, frame_parms->ssb_index);
+    LOG_I(PHY, "[UE%d] Initial sync: pbch decoded sucessfully, ssb index %d\n", ue->Mod_id, frame_parms->ssb_index);
+  }
   return ret;
 }
 
@@ -429,6 +425,8 @@ nr_initial_sync_t nr_initial_sync(UE_nr_rxtx_proc_t *proc, PHY_VARS_NR_UE *ue, i
 #ifdef DEBUG_INITIAL_SYNCH
     LOG_I(PHY, "[UE%d] Initial sync : Estimated power: %d dB\n", ue->Mod_id, ue->measurements.rx_power_avg_dB[0]);
 #endif
+  } else {
+    LOG_A(PHY, "Initial sync successful\n");
   }
   //  exit_fun("debug exit");
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INITIAL_UE_SYNC, VCD_FUNCTION_OUT);

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -1358,7 +1358,6 @@ void nr_rrc_mac_config_req_reset(module_id_t module_id,
                                  NR_UE_MAC_reset_cause_t cause)
 {
   NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
-
   switch (cause) {
     case GO_TO_IDLE:
       reset_ra(&mac->ra);

openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c

@@ -86,26 +86,26 @@ void init_RA(NR_UE_MAC_INST_t *mac,
 
   if (rach_ConfigDedicated) {
     if (rach_ConfigDedicated->cfra){
-      LOG_I(MAC, "Initialization of 2-step contention-free random access procedure\n");
+      LOG_I(NR_MAC, "Initialization of 2-step contention-free random access procedure\n");
       prach_resources->RA_TYPE = RA_2STEP;
       ra->cfra = 1;
     } else if (rach_ConfigDedicated->ext1){
       if (rach_ConfigDedicated->ext1->cfra_TwoStep_r16){
-        LOG_I(MAC, "Setting RA type to 2-step...\n");
+        LOG_I(NR_MAC, "Setting RA type to 2-step...\n");
         prach_resources->RA_TYPE = RA_2STEP;
         ra->cfra = 1;
       } else {
-        LOG_E(MAC, "Config not handled\n");
+        LOG_E(NR_MAC, "Config not handled\n");
       }
     } else {
-      LOG_E(MAC, "Config not handled\n");
+      LOG_E(NR_MAC, "Config not handled\n");
     }
   } else if (nr_rach_ConfigCommon){
-    LOG_I(MAC, "Initialization of 4-step contention-based random access procedure\n");
+    LOG_I(NR_MAC, "Initialization of 4-step contention-based random access procedure\n");
     prach_resources->RA_TYPE = RA_4STEP;
     ra->cfra = 0;
   } else {
-    LOG_E(MAC, "Config not handled\n");
+    LOG_E(NR_MAC, "Config not handled\n");
   }
 
   switch (rach_ConfigGeneric->powerRampingStep){ // in dB

openair2/RRC/NR/MESSAGES/asn1_msg.h

@@ -41,10 +41,8 @@
 
 #include <asn_application.h>
 
-#include "RRC/NR/nr_rrc_defs.h"
 #include "RRC/NR/nr_rrc_config.h"
 
-
 /*
  * The variant of the above function which dumps the BASIC-XER (XER_F_BASIC)
  * output into the chosen string buffer.

openair2/RRC/NR_UE/rrc_UE.c

@@ -616,7 +616,7 @@ static void nr_rrc_handle_msg3_indication(NR_UE_RRC_INST_t *rrc, rnti_t rnti)
 {
   NR_UE_Timers_Constants_t *tac = &rrc->timers_and_constants;
   switch (rrc->ra_trigger) {
-    case INITIAL_ACCESS_FROM_RRC_IDLE:
+    case RRC_CONNECTION_SETUP:
       // After SIB1 is received, prepare RRCConnectionRequest
       rrc->rnti = rnti;
       // start timer T300
@@ -744,7 +744,7 @@ static int8_t nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message(NR_UE_RRC_INST_t *rrc,
         LOG_A(NR_RRC, "SIB1 decoded\n");
         nr_timer_start(&SI_info->sib1_timer);
         if (rrc->nrRrcState == RRC_STATE_IDLE_NR) {
-          rrc->ra_trigger = INITIAL_ACCESS_FROM_RRC_IDLE;
+          rrc->ra_trigger = RRC_CONNECTION_SETUP;
           // preparing RRC setup request payload in advance
           nr_rrc_ue_prepare_RRCSetupRequest(rrc);
         }
@@ -2221,6 +2221,9 @@ void nr_rrc_going_to_IDLE(NR_UE_RRC_INST_t *rrc,
 
 void handle_t300_expiry(NR_UE_RRC_INST_t *rrc)
 {
+  rrc->ra_trigger = RRC_CONNECTION_SETUP;
+  nr_rrc_ue_prepare_RRCSetupRequest(rrc);
+
   // reset MAC, release the MAC configuration
   NR_UE_MAC_reset_cause_t cause = T300_EXPIRY;
   nr_rrc_mac_config_req_reset(rrc->ue_id, cause);

openair2/RRC/NR_UE/rrc_defs.h

@@ -105,7 +105,7 @@ typedef enum requested_SI_List_e {
 // 3GPP TS 38.300 Section 9.2.6
 typedef enum RA_trigger_e {
   RA_NOT_RUNNING,
-  INITIAL_ACCESS_FROM_RRC_IDLE,
+  RRC_CONNECTION_SETUP,
   RRC_CONNECTION_REESTABLISHMENT,
   DURING_HANDOVER,
   NON_SYNCHRONISED,