automatic UE sync adjust can be disabled from command line

executables/nr-softmodem-common.h

@@ -82,6 +82,7 @@
 #define CONFIG_HLP_NOTWAIT       "don't wait for tracer, start immediately\n"
 #define CONFIG_HLP_TNOFORK       "to ease debugging with gdb\n"
 #define CONFIG_HLP_DISABLNBIOT   "disable nb-iot, even if defined in config\n"
+#define CONFIG_HLP_DISABLETIMECORR   "disable UE timing correction\n"
 
 #define CONFIG_HLP_NUMEROLOGY    "adding numerology for 5G\n"
 #define CONFIG_HLP_EMULATE_RF    "Emulated RF enabled(disable by defult)\n"

executables/nr-ue.c

@@ -496,7 +496,7 @@ void trashFrame(PHY_VARS_NR_UE *UE, openair0_timestamp *timestamp) {
 }
 
 void syncInFrame(PHY_VARS_NR_UE *UE, openair0_timestamp *timestamp) {
-  if (UE->no_timing_correction==0) {
+
     LOG_I(PHY,"Resynchronizing RX by %d samples (mode = %d)\n",UE->rx_offset,UE->mode);
     void *dummy_tx[UE->frame_parms.nb_antennas_tx];
 
@@ -515,7 +515,7 @@ void syncInFrame(PHY_VARS_NR_UE *UE, openair0_timestamp *timestamp) {
 
     for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
       free(dummy_tx[i]);
-  }
+
 }
 
 int computeSamplesShift(PHY_VARS_NR_UE *UE) {

executables/nr-uesoftmodem.c

@@ -126,6 +126,7 @@ extern int16_t nr_dlsch_demod_shift;
 int UE_scan = 0;
 int UE_scan_carrier = 0;
 int UE_fo_compensation = 0;
+int UE_no_timing_correction = 0;
 runmode_t mode = normal_txrx;
 openair0_config_t openair0_cfg[MAX_CARDS];
 
@@ -754,6 +755,7 @@ int main( int argc, char **argv ) {
     UE[CC_id]->UE_scan_carrier = UE_scan_carrier;
     UE[CC_id]->UE_fo_compensation = UE_fo_compensation;
     UE[CC_id]->mode    = mode;
+    UE[CC_id]->no_timing_correction = UE_no_timing_correction;
     printf("UE[%d]->mode = %d\n",CC_id,mode);
 
     for (uint8_t i=0; i<RX_NB_TH_MAX; i++) {

executables/nr-uesoftmodem.h

@@ -85,7 +85,8 @@
     {"parallel-config",         CONFIG_HLP_PARALLEL_CMD,0,                      strptr:(char **)&parallel_config,   defstrval:NULL,                 TYPE_STRING,    0},                     \
     {"worker-config",           CONFIG_HLP_WORKER_CMD,  0,                      strptr:(char **)&worker_config,     defstrval:NULL,                 TYPE_STRING,    0},                     \
     {"s" ,                      CONFIG_HLP_SNR,         0,                      dblptr:&snr_dB,                       defdblval:25,                   TYPE_DOUBLE,       0}, \
-    {"nbiot-disable",           CONFIG_HLP_DISABLNBIOT, PARAMFLAG_BOOL,         iptr:&nonbiotflag,      defintval:0,      TYPE_INT, 0} \
+      {"nbiot-disable",           CONFIG_HLP_DISABLNBIOT, PARAMFLAG_BOOL,         iptr:&nonbiotflag,      defintval:0,      TYPE_INT, 0}, \
+    {"ue-timing-correction-disable",           CONFIG_HLP_DISABLETIMECORR, PARAMFLAG_BOOL,         iptr:&UE_no_timing_correction,      defintval:0,      TYPE_INT, 0} \
 }