diff --git a/targets/RT/USER/Makefile b/targets/RT/USER/Makefile
index d9b350a64c..151370ce52 100644
--- a/targets/RT/USER/Makefile
+++ b/targets/RT/USER/Makefile
@@ -12,11 +12,13 @@ LOWLATENCY_KERNEL:=$(shell if [ $(KERNEL_TYPE) = "lowlatency" ]; then echo "1" ;
 
 include $(OPENAIR2_DIR)/RRC/LITE/MESSAGES/Makefile.inc
 
-#ifdef LOWLATENCY # this ifdef is to be removed after the debugging
+ifdef EXMIMO
+ifdef LOWLATENCY # this ifdef is to be removed after the debugging
 ifeq ($(LOWLATENCY_KERNEL),1)
 CFLAGS+=-DLOWLATENCY
 endif 
-#endif 
+endif 
+endif
 
 ifndef USRP
 USRP=0
diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 1bed1df102..f146934b40 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -1719,7 +1719,7 @@ static void *eNB_thread(void *arg)
 }
 
 
-#endif
+
 
 static void get_options (int argc, char **argv) {
   int c;
@@ -1839,6 +1839,7 @@ static void get_options (int argc, char **argv) {
       break;
 #ifdef OPENAIR2
     case 'P':
+#ifdef OPENAIR2
       /* enable openair packet tracer (OPT)*/
       if ((strcmp(optarg, "wireshark") == 0) || 
 	  (strcmp(optarg, "WIRESHARK") == 0)) {
@@ -1853,6 +1854,7 @@ static void get_options (int argc, char **argv) {
 	printf("Unrecognized option for OPT module\n");
 	printf("Possible values are either wireshark or pcap\n");
       }
+#endif
       break;  
 #endif
     case 'V':
@@ -1950,6 +1952,9 @@ static void get_options (int argc, char **argv) {
     }
   }
   
+  AssertFatal(conf_config_file_name != NULL,"Please provide a configuration file\n");
+  
+    
   if ((UE_flag == 0) && (conf_config_file_name != NULL)) {
     int i,j;
     
@@ -2096,7 +2101,7 @@ int main(int argc, char **argv) {
   for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
     frame_parms[CC_id] = (LTE_DL_FRAME_PARMS*) malloc(sizeof(LTE_DL_FRAME_PARMS));
     /* Set some default values that may be overwritten while reading options */
-    frame_parms[CC_id]->frame_type         = FDD; /* TDD */
+    frame_parms[CC_id]->frame_type         = TDD; /* TDD */
     frame_parms[CC_id]->tdd_config          = 3;
     frame_parms[CC_id]->tdd_config_S        = 0;
     frame_parms[CC_id]->N_RB_DL             = 25;
@@ -2105,6 +2110,9 @@ int main(int argc, char **argv) {
     frame_parms[CC_id]->Ncp_UL              = NORMAL;
     frame_parms[CC_id]->Nid_cell            = Nid_cell;
     frame_parms[CC_id]->num_MBSFN_config    = 0;
+    frame_parms[CC_id]->nb_antennas_tx_eNB  = 1;
+    frame_parms[CC_id]->nb_antennas_tx      = 1;
+    frame_parms[CC_id]->nb_antennas_rx      = 1;
   }
 
   // initialize the log (see log.h for details)
@@ -2188,7 +2196,6 @@ int main(int argc, char **argv) {
   
   if (opp_enabled ==1)
     reset_opp_meas();
-
 #ifdef OPENAIR2
   if (opt_type != OPT_NONE) {
     radio_type_t radio_type;
@@ -2278,7 +2285,7 @@ int main(int argc, char **argv) {
       UE[CC_id] = PHY_vars_UE_g[0][CC_id];
       printf("PHY_vars_UE_g[0][%d] = %p\n",CC_id,UE[CC_id]);
 #ifndef OPENAIR2
-      for (i=0;i<NUMBER_OF_eNB_MAX;i++) {
+      for (i=0;i<NUMBER_OF_CONNECTED_eNB_MAX;i++) {
 	UE[CC_id]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
 	UE[CC_id]->pusch_config_dedicated[i].betaOffset_RI_Index  = beta_RI;
 	UE[CC_id]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;
diff --git a/targets/RT/USER/lte-ue.c b/targets/RT/USER/lte-ue.c
index 60afcf8106..200038c70d 100644
--- a/targets/RT/USER/lte-ue.c
+++ b/targets/RT/USER/lte-ue.c
@@ -59,8 +59,10 @@
 #include "PHY/types.h"
 
 #include "PHY/defs.h"
+#ifdef OPENAIR2
 #include "LAYER2/MAC/defs.h"
 #include "RRC/LITE/extern.h"
+#endif
 #include "PHY_INTERFACE/extern.h"
 
 #undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
@@ -76,8 +78,10 @@
 #include "MAC_INTERFACE/extern.h"
 //#include "SCHED/defs.h"
 #include "SCHED/extern.h"
+#ifdef OPENAIR2
 #include "LAYER2/MAC/extern.h"
 #include "LAYER2/MAC/proto.h"
+#endif
 
 #include "UTIL/LOG/log_extern.h"
 #include "UTIL/OTG/otg_tx.h"
@@ -481,7 +485,7 @@ static void *UE_thread_tx(void *arg) {
       phy_procedures_UE_S_TX(UE,0,0,no_relay);
     }
     
-    
+ #ifdef OPENAIR2   
     if (UE->lte_frame_parms.frame_type == TDD) {
       
       ret = mac_xface->ue_scheduler(UE->Mod_id, 
@@ -509,6 +513,8 @@ static void *UE_thread_tx(void *arg) {
 	UE->UE_mode[0] = PRACH;
       }
     }
+
+#endif
     
     
     if (pthread_mutex_lock(&UE->mutex_tx) != 0) {
@@ -620,7 +626,8 @@ static void *UE_thread_rx(void *arg) {
 	    ((UE->slot_rx&1)==0)) {
 	  phy_procedures_UE_RX(UE,0,0,UE->mode,no_relay,NULL);
 	}
-      	
+
+#ifdef OPENAIR2      	
 	if (i==0) {
 	  ret = mac_xface->ue_scheduler(UE->Mod_id, 
 					UE->frame_tx,
@@ -647,8 +654,8 @@ static void *UE_thread_rx(void *arg) {
 		  UE->Mod_id,UE->frame_rx,UE->slot_tx>>1);
 	    UE->UE_mode[0] = PRACH;
 	  }
-	}	  
-	
+        }	  
+#endif	
 	UE->slot_rx++;
 	
 	if (UE->slot_rx==20) {
@@ -714,7 +721,6 @@ void *UE_thread(void *arg) {
 #ifdef LOWLATENCY
   struct sched_attr attr;
   unsigned int flags = 0;
-  unsigned long mask = 1; // processor 0 
 #endif
   
 
@@ -1362,7 +1368,7 @@ void init_UE_threads(void) {
 }
 
 
-
+#ifdef OPENAIR2
 void fill_ue_band_info(void) {
 
   UE_EUTRA_Capability_t *UE_EUTRA_Capability = UE_rrc_inst[0].UECap->UE_EUTRA_Capability;
@@ -1390,7 +1396,7 @@ void fill_ue_band_info(void) {
       }
   }
 }
-
+#endif
 
 int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs])
 {