Updated conf to have 1 antenna for now. Updated lte-softmodem.c to always...

Updated conf to have 1 antenna for now.  Updated lte-softmodem.c to always take tx_sample_advance from the command line arguments.

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.iris030.conf

@@ -37,10 +37,10 @@ eNBs =
         N_RB_DL                 			      = 6;
         Nid_cell_mbsfn          			      = 0;
         nb_antenna_ports          			      = 1;
-        nb_antennas_tx          			      = 2;
-        nb_antennas_rx          			      = 2;
-        tx_gain                                            = 52;
-        rx_gain                                            = 40;
+        nb_antennas_tx          			      = 1;
+        nb_antennas_rx          			      = 1;
+        tx_gain                                            = 65;
+        rx_gain                                            = 35;
         prach_root              			      = 0;
         prach_config_index      			      = 0;
         prach_high_speed        			      = "DISABLE";
@@ -147,7 +147,7 @@ eNBs =
 rrh_gw_config = (
  {			  
     local_if_name = "eth0";			  
-    remote_address = "00005";	
+    remote_address = "0127";	
     local_address = "10.224.20.21";
     local_port = 50000;	    #for raw option local port must be the same to remote	       
     remote_port = 50000; 
@@ -155,7 +155,7 @@ rrh_gw_config = (
     tr_preference = "raw";
     rf_preference = "iris030";
     iq_txshift = 4;
-    tx_sample_advance = 103;	
+    tx_sample_advance = 60;	
     tx_scheduling_advance = 9; 	                
                              
 }

targets/RT/USER/lte-softmodem.c

@@ -1353,9 +1353,9 @@ void init_openair0() {
       printf("ETHERNET: Configuring UE ETH for %s:%d\n",rrh_UE_ip,rrh_UE_port);
       openair0_cfg[card].remote_addr = &rrh_UE_ip[0];
       openair0_cfg[card].remote_port = rrh_UE_port;
-      openair0_cfg[card].tx_sample_advance = tx_sample_advance; //BS will set this in the config file
-      printf("Set tx_sample_advance to %d\n", openair0_cfg[card].tx_sample_advance);
     } 
+    openair0_cfg[card].tx_sample_advance = tx_sample_advance; //BS will set this in the config file
+    printf("Set tx_sample_advance to %d\n", openair0_cfg[card].tx_sample_advance);
 
     openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL;