Cmd line parameter for UE

executables/nr-uesoftmodem.c

@@ -291,8 +291,8 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
   UE->rf_map.chain         = CC_id + chain_offset;
 
 
-  LOG_I(PHY,"Set UE mode %d, UE_fo_compensation %d, UE_scan_carrier %d, UE_no_timing_correction %d \n", 
-  	   UE->mode, UE->UE_fo_compensation, UE->UE_scan_carrier, UE->no_timing_correction);
+  LOG_I(PHY,"Set UE mode %d, UE_fo_compensation %d, UE_scan_carrier %d, UE_no_timing_correction %d \n, fd_lin_interpolation %d", 
+  	   UE->mode, UE->UE_fo_compensation, UE->UE_scan_carrier, UE->no_timing_correction, UE->fd_lin_interpolation);
 
   // Set FP variables
 

executables/nr-uesoftmodem.h

@@ -60,6 +60,7 @@
     {"E" ,                       CONFIG_HLP_TQFS,        PARAMFLAG_BOOL,  u8ptr:&(fp->threequarter_fs),       defintval:0,           TYPE_UINT8,    0}, \
     {"T" ,                       CONFIG_HLP_TDD,         PARAMFLAG_BOOL,  iptr:&tddflag,                      defintval:0,           TYPE_INT,      0}, \
     {"ue-timing-correction-disable", CONFIG_HLP_DISABLETIMECORR, PARAMFLAG_BOOL, iptr:&(UE->no_timing_correction), defintval:0,         TYPE_INT,    0}, \
+    {"do-fd-interpolation",      CONFIG_HLP_FDINTER,     PARAMFLAG_BOOL, iptr:&(UE->fd_lin_interpolation), defintval:0,         TYPE_INT,    0}, \
 }
 
 

executables/softmodem-common.h

@@ -72,7 +72,7 @@ extern "C"
 #define CONFIG_HLP_DLMCS         "Set the maximum downlink MCS\n"
 #define CONFIG_HLP_STMON         "Enable processing timing measurement of lte softmodem on per subframe basis \n"
 #define CONFIG_HLP_256QAM        "Use the 256 QAM mcs table for PDSCH\n"
-#define CONFIG_HLP_FDINTER       "Do frequency domain linear interpolation for channel estimates. By default, average of estimates over 1 PRB is used."
+#define CONFIG_HLP_FDINTER       "Do frequency domain linear interpolation for channel estimates. By default, average of estimates over 1 PRB is used\n"
 
 //#define CONFIG_HLP_NUMUES        "Set the number of UEs for the emulation"
 #define CONFIG_HLP_MSLOTS        "Skip the missed slots/subframes \n"

openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c

@@ -174,7 +174,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
 #endif
     //if ((gNB->frame_parms.N_RB_UL&1)==0) {
 
-    if (pusch_pdu->dmrs_config_type == pusch_dmrs_type1 && get_softmodem_params()->fd_interpolation){
+    if (pusch_pdu->dmrs_config_type == pusch_dmrs_type1 && get_softmodem_params()->fd_interpolation == 1){
 
       // Treat first 2 pilots specially (left edge)
       ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
@@ -382,7 +382,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
       }
 #endif    
     }
-    else if (pusch_pdu->dmrs_config_type == pusch_dmrs_type2 && get_softmodem_params()->fd_interpolation) { //pusch_dmrs_type2  |p_r,p_l,d,d,d,d,p_r,p_l,d,d,d,d|
+    else if (pusch_pdu->dmrs_config_type == pusch_dmrs_type2 && get_softmodem_params()->fd_interpolation == 1) { //pusch_dmrs_type2  |p_r,p_l,d,d,d,d,p_r,p_l,d,d,d,d|
 
       // Treat first DMRS specially (left edge)
 

openair1/PHY/defs_nr_UE.h

@@ -854,7 +854,7 @@ typedef struct {
   uint32_t perfect_ce;
   // flag to activate linear interpolation in frequency-domain channel estimation
   // when off (default), this just averages channel on per-PRB basis
-  uint32_t fd_lin_interpolation;
+  int fd_lin_interpolation;
   int16_t ch_est_alpha;
   int generate_ul_signal[NUMBER_OF_CONNECTED_gNB_MAX];