Define RA_trigger

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h

@@ -160,6 +160,19 @@ typedef struct Type0_PDCCH_CSS_config_s {
   uint32_t cset_start_rb;
 } NR_Type0_PDCCH_CSS_config_t;
 
+// 3GPP TS 38.300 Section 9.2.6
+typedef enum RA_trigger_e {
+  RA_NOT_RUNNING,
+  INITIAL_ACCESS_FROM_RRC_IDLE,
+  RRC_CONNECTION_REESTABLISHMENT,
+  DURING_HANDOVER,
+  NON_SYNCHRONISED,
+  TRANSITION_FROM_RRC_INACTIVE,
+  TO_ESTABLISH_TA,
+  REQUEST_FOR_OTHER_SI,
+  BEAM_FAILURE_RECOVERY,
+} RA_trigger_t;
+
 uint16_t config_bandwidth(int mu, int nb_rb, int nr_band);
 
 void get_frame_type(uint16_t nr_bandP, uint8_t scs_index, lte_frame_type_t *current_type);

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -272,8 +272,9 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
   }
 
   // PRACH configuration
-
   uint8_t nb_preambles = 64;
+  mac->ra_trigger = RA_NOT_RUNNING;
+
   if(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles != NULL)
      nb_preambles = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles;
 

openair2/LAYER2/NR_MAC_UE/mac_defs.h

@@ -185,6 +185,8 @@ typedef struct {
   /* Random Access parameters */
   /// state of RA procedure
   RA_state_t ra_state;
+  /// trigger of RA procedure
+  RA_trigger_t ra_trigger;
   /// RA rx frame offset: compensate RA rx offset introduced by OAI gNB.
   uint8_t RA_offset;
   /// RA-rnti

openair2/RRC/NR_UE/rrc_UE.c

@@ -413,8 +413,6 @@ NR_UE_RRC_INST_t* openair_rrc_top_init_ue_nr(char* rrc_config_path){
       NR_UE_rrc_inst[nr_ue].requested_SI_List.size= 4;
       NR_UE_rrc_inst[nr_ue].requested_SI_List.bits_unused= 0;
 
-      NR_UE_rrc_inst[nr_ue].do_ra = RA_NOT_RUNNING;
-
       //  init RRC lists
       RRC_LIST_INIT(NR_UE_rrc_inst[nr_ue].RLC_Bearer_Config_list, NR_maxLC_ID);
       RRC_LIST_INIT(NR_UE_rrc_inst[nr_ue].SchedulingRequest_list, NR_maxNrofSR_ConfigPerCellGroup);
@@ -1531,13 +1529,14 @@ int8_t check_requested_SI_List(module_id_t module_id, BIT_STRING_t requested_SI_
 
     if(do_ra) {
 
-      NR_UE_rrc_inst[module_id].do_ra = REQUEST_FOR_OTHER_SI;
+      NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
+      mac->ra_trigger = REQUEST_FOR_OTHER_SI;
       get_softmodem_params()->do_ra = 1;
 
       if(sib1.si_SchedulingInfo->si_RequestConfig) {
-        LOG_I(RRC, "Trigger contention-free RA procedure (do_ra = %i)\n", NR_UE_rrc_inst[module_id].do_ra);
+        LOG_I(RRC, "Trigger contention-free RA procedure (ra_trigger = %i)\n", mac->ra_trigger);
       } else {
-        LOG_I(RRC, "Trigger contention-based RA procedure (do_ra = %i)\n", NR_UE_rrc_inst[module_id].do_ra);
+        LOG_I(RRC, "Trigger contention-based RA procedure (ra_trigger = %i)\n", mac->ra_trigger);
       }
 
     }

openair2/RRC/NR_UE/rrc_defs.h

@@ -89,18 +89,6 @@ typedef enum requested_SI_List_e {
   SIB9  = 0x128
 } requested_SI_List_t;
 
-typedef enum trigger_RA_List_e {
-  RA_NOT_RUNNING,
-  INITIAL_ACCESS_FROM_RRC_IDLE,
-  RRC_CONNECTION_REESTABLISHMENT,
-  DURING_HANDOVER,
-  NON_SYNCHRONISED,
-  TRANSITION_FROM_RRC_INACTIVE,
-  TO_ESTABLISH_TA,
-  REQUEST_FOR_OTHER_SI,
-  BEAM_FAILURE_RECOVERY,
-} trigger_RA_List_t;
-
 typedef struct NR_UE_RRC_INST_s {
 
     NR_MeasConfig_t        *meas_config;
@@ -127,7 +115,6 @@ typedef struct NR_UE_RRC_INST_s {
     uint8_t 					             *UECapability;
     uint8_t                        UECapability_size;
 
-    trigger_RA_List_t              do_ra;
     BIT_STRING_t                   requested_SI_List;
 
     NR_SystemInformation_t         *si[NB_CNX_UE];