Disable RSSI sensor by default and expose rx_gain for calibration

srsue/src/main.cc

@@ -159,11 +159,11 @@ void parse_args(all_args_t *args, int argc, char *argv[]) {
      "Pregenerate uplink signals after attach. Improves CPU performance.")
 
     ("expert.rssi_sensor_enabled",
-     bpo::value<bool>(&args->expert.phy.rssi_sensor_enabled)->default_value(true),
+     bpo::value<bool>(&args->expert.phy.rssi_sensor_enabled)->default_value(false),
      "Enable or disable RF frontend RSSI sensor. In some USRP devices can cause segmentation fault")
 
     ("expert.rx_gain_offset",
-     bpo::value<float>(&args->expert.phy.rx_gain_offset)->default_value(10),
+     bpo::value<float>(&args->expert.phy.rx_gain_offset)->default_value(62),
      "RX Gain offset to add to rx_gain to correct RSRP value")
 
       ("expert.prach_gain",

srsue/src/upper/rrc.cc

@@ -389,7 +389,7 @@ void rrc::run_si_acquisition_procedure()
           last_win_start = si_win_start;
 
           mac->bcch_start_rx(si_win_start, si_win_len);
-          rrc_log->info("Instructed MAC to search for system info, win_start=%d, win_len=%d\n",
+          rrc_log->debug("Instructed MAC to search for system info, win_start=%d, win_len=%d\n",
                          si_win_start, si_win_len);
         }
 

srsue/ue.conf.example

@@ -118,6 +118,7 @@ enable = false
 # ip_netmask:           Netmask of the tun_srsue device. Default: 255.255.255.0
 # rssi_sensor_enabled:  Enable or disable RF frontend RSSI sensor. Required for RSRP metrics but
 #                       can cause UHD instability for long-duration testing. Default true.
+# rx_gain_offset:       RX Gain offset to add to rx_gain to calibrate RSRP readings
 # prach_gain:           PRACH gain (dB). If defined, forces a gain for the tranmsission of PRACH only.,
 #                       Default is to use tx_gain in [rf] section. 
 # cqi_max:              Upper bound on the maximum CQI to be reported. Default 15. 
@@ -176,6 +177,7 @@ enable = false
 [expert]
 #ip_netmask          = 255.255.255.0
 #rssi_sensor_enabled = false
+#rx_gain_offset      = 62
 #prach_gain          = 30
 #cqi_max             = 15
 #cqi_fixed           = 10