diff --git a/cmake_targets/tools/run_enb_s1_usrp b/cmake_targets/tools/run_enb_s1_usrp
index f003faf5c9dc01c390fc437dd2219e46295e0d22..5bb7ef151f5d6a5e7d5d0f6f4912321d0fc1ea68 100755
--- a/cmake_targets/tools/run_enb_s1_usrp
+++ b/cmake_targets/tools/run_enb_s1_usrp
@@ -56,6 +56,7 @@ function help()
   echo_error "Mandatory arguments to long options are mandatory for short options too."
   echo_error "  -g, --gdb                           Run with GDB."
   echo_error "  -h, --help                          Print this help."
+  echo_error "  -e, --ulsch-max-errors    num-errs  maximum allowed number of uplink errors"
   echo_error "  -f, --rf-config-file      filename  RF specific configuration file"
   echo_error "  -K, --itti-dump-file      filename  ITTI dump file containing all ITTI events occuring during EPC runtime.(can omit file name if last argument)"
   echo_error "  -M, --target-dl-mcs       mcs       Downlink target MCS."
@@ -138,6 +139,12 @@ function main()
         shift;
         exit 0
         ;;
+     -e | --ulsch-max-errors)
+        ulsch_max_errors=$2
+        echo "setting  --ulsch-max-errors to $ulsch_max_errors"
+        exe_arguments="$exe_arguments --ulsch-max-errors=$ulsch_max_errors"
+        shift 2;
+	 ;;      
      -f | --rf-config-file)
         rf_config_file=$2
         # can omit file name if last arg on the line
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band13.tm1.lmssdr.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band13.tm1.lmssdr.conf
index df5ea1f1d2c13985e354a3ab373d885c4c28df88..266e5aae25bb3281f27ef9d074d7ede2a31bc98a 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band13.tm1.lmssdr.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band13.tm1.lmssdr.conf
@@ -36,7 +36,7 @@ eNBs =
       nb_antennas_tx          			      = 1;
       nb_antennas_rx          			      = 1;
       tx_gain                                            = 90;
-      rx_gain                                            = 125;
+      rx_gain                                            = 107;
       prach_root              			      = 0;
       prach_config_index      			      = 0;
       prach_high_speed        			      = "DISABLE";