Fix build errors in physical unitary tests simulators, minor update in the documentation

doc/RUNMODEM.md

@@ -132,9 +132,9 @@ With the RF simulator (on the same machine):
 
 `sudo RFSIMULATOR=127.0.0.1 ./nr-uesoftmodem --do-ra --rfsim --parallel-config PARALLEL_SINGLE_THREAD`
 
-## sa setup with OAI
+## SA setup with OAI
 
-The sa flag is used to run gNB in standalone mode. Currently OAI in NR standalone mode transmits and receives SIB1.
+The sa flag is used to run gNB in standalone mode. Currently OAI in NR standalone mode transmits and receives SIB1 and triggers the RA procedure for initial access.
 
 In order to run gNB in standalone mode, the following flag is needed at gNB:
 
@@ -147,8 +147,9 @@ At the gNB the --sa flag does the following
 - it encodes the RRCConfiguration and the RBconfig message and stores them in the binary files rbconfig.raw and reconfig.raw
 - the RRC encodes SIB1 according the configuration file and transmits it through PDSCH
 
-At the UE the --sa flag will
+At the UE the --sa flag will:
-- read the binary files rbconfig.raw and reconfig.raw from the current directory (a different directory can be specified with the flag --rrc_config_path) and process them.
+- Read the binary files rbconfig.raw and reconfig.raw from the current directory (a different directory can be specified with the flag --rrc_config_path) and process them
+- After the successful decoding of a SIB1 at RRC, the UE will start the 5G NR Initial Access Procedure by triggering the RA procedure.
 
 From the `cmake_targets/ran_build/build` folder:
 

openair1/SIMULATION/NR_PHY/dlsim.c

@@ -97,6 +97,11 @@ int8_t nr_mac_rrc_data_ind_ue(const module_id_t     module_id,
   return 0;
 }
 
+void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index)
+{
+  return;
+}
+
 int8_t nr_mac_rrc_data_req_ue(const module_id_t Mod_idP,
                               const int         CC_id,
                               const uint8_t     gNB_id,

openair1/SIMULATION/NR_PHY/prachsim.c

@@ -127,6 +127,11 @@ nr_rrc_gNB_process_GTPV1U_CREATE_TUNNEL_RESP(
 
 int8_t nr_mac_rrc_data_ind_ue(const module_id_t module_id, const int CC_id, const uint8_t gNB_index, const int8_t channel, const uint8_t* pduP, const sdu_size_t pdu_len) {return 0;}
 
+void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index)
+{
+  return;
+}
+
 int8_t nr_mac_rrc_data_req_ue(const module_id_t Mod_idP,
                               const int         CC_id,
                               const uint8_t     gNB_id,

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -154,6 +154,11 @@ int is_x2ap_enabled(void)
   return 0;
 }
 
+void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index)
+{
+  return;
+}
+
 int8_t nr_mac_rrc_data_req_ue(const module_id_t Mod_idP,
                               const int         CC_id,
                               const uint8_t     gNB_id,

openair2/RRC/NR_UE/rrc_UE.c

@@ -1697,7 +1697,7 @@ nr_rrc_ue_process_securityModeCommand(
 }
 
 //-----------------------------------------------------------------------------
-void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index ) {
+void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index) {
   uint8_t i=0,rv[6];
 
   if(NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size ==0) {

openair2/RRC/NR_UE/rrc_proto.h

@@ -132,7 +132,7 @@ void *rrc_nrue_task(void *args_p);
 /**\brief RRC UE generate RRCSetupRequest message.
    \param module_id  module id
    \param gNB_index  gNB index  */
-void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index );
+void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index);
 
 /** @}*/
 #endif