oaisim takes tx and rx antenna number from config file and transmission mode from the command line

targets/SIMU/USER/init_lte.c

@@ -229,7 +229,7 @@ void init_lte_vars(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs],
                    uint8_t N_RB_DL,
                    uint16_t Nid_cell,
                    uint8_t cooperation_flag,uint8_t transmission_mode,uint8_t abstraction_flag,
-                   int nb_antennas_rx, uint8_t eMBMS_active_state)
+                   int nb_antennas_rx, int nb_antennas_tx, uint8_t eMBMS_active_state)
 {
 
   uint8_t eNB_id,UE_id,RN_id,CC_id;
@@ -252,10 +252,10 @@ void init_lte_vars(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs],
     (frame_parms[CC_id])->Ncp                = extended_prefix_flag;
     (frame_parms[CC_id])->Nid_cell           = Nid_cell;
     (frame_parms[CC_id])->nushift            = (Nid_cell%6);
-    (frame_parms[CC_id])->nb_antennas_tx     = (transmission_mode == 1) ? 1 : 2;
+    (frame_parms[CC_id])->nb_antennas_tx     = nb_antennas_tx;
+    (frame_parms[CC_id])->nb_antennas_rx     = nb_antennas_rx;
     (frame_parms[CC_id])->nb_antenna_ports_eNB = (transmission_mode == 1 || transmission_mode == 7) ? 1 : 2;
-    (frame_parms[CC_id])->nb_antennas_rx     = (transmission_mode == 1) ? 1 : 2;
-    (frame_parms[CC_id])->mode1_flag = (transmission_mode == 1) ? 1 : 0;
+    (frame_parms[CC_id])->mode1_flag           = (frame_parms[CC_id])->nb_antenna_ports_eNB==1 ? 1 : 0;
 
     init_frame_parms(frame_parms[CC_id],1);
 

targets/SIMU/USER/init_lte.h

@@ -57,4 +57,5 @@ void init_lte_vars(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs],
                    uint8_t transmission_mode,
                    uint8_t abstraction_flag,
                    int nb_antennas_rx,
+                   int nb_antennas_tx,
                    uint8_t eMBMS_active_state);

targets/SIMU/USER/oaisim_functions.c

@@ -174,10 +174,11 @@ extern time_stats_t ul_chan_stats;
 
 extern int xforms;
 
+const Enb_properties_array_t *enb_properties;
+
 void get_simulation_options(int argc, char *argv[])
 {
   int                           option;
-  const Enb_properties_array_t *enb_properties;
   char  *conf_config_file_name = NULL;
 
   enum long_option_e {
@@ -925,7 +926,7 @@ void init_openair1(void)
   // change the nb_connected_eNB
   for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
     init_lte_vars (&frame_parms[CC_id], oai_emulation.info.frame_type[CC_id], oai_emulation.info.tdd_config[CC_id], oai_emulation.info.tdd_config_S[CC_id],oai_emulation.info.extended_prefix_flag[CC_id],
-                   oai_emulation.info.N_RB_DL[CC_id], Nid_cell, cooperation_flag, oai_emulation.info.transmission_mode[CC_id], abstraction_flag,nb_antennas_rx, oai_emulation.info.eMBMS_active_state);
+                   oai_emulation.info.N_RB_DL[CC_id], Nid_cell, cooperation_flag, oai_emulation.info.transmission_mode[CC_id], abstraction_flag,enb_properties->properties[0]->nb_antennas_tx[CC_id],enb_properties->properties[0]->nb_antennas_tx[CC_id], oai_emulation.info.eMBMS_active_state);
   }
 
   for (eNB_id=0; eNB_id<NB_eNB_INST; eNB_id++) {