diff --git a/executables/nr-ue.c b/executables/nr-ue.c index 92fe5174c2..1d415e1230 100644 --- a/executables/nr-ue.c +++ b/executables/nr-ue.c @@ -147,14 +147,6 @@ static void UE_synch(void *arg) { if (UE->UE_scan == 0) { - #ifdef FR2_TEST - // Overwrite DL frequency (for FR2 testing) - if (downlink_frequency[0][0]!=0){ - UE->frame_parms.dl_CarrierFreq = downlink_frequency[0][0]; - UE->frame_parms.ul_CarrierFreq = downlink_frequency[0][0]; - } - #endif - for (i=0; irf_map.card].rx_num_channels; i++) { LOG_I( PHY, "[SCHED][UE] Check absolute frequency DL %f, UL %f (RF card %d, oai_exit %d, channel %d, rx_num_channels %d)\n", @@ -220,7 +212,7 @@ static void UE_synch(void *arg) { LOG_I(PHY, "[UE thread Synch] Running Initial Synch (mode %d)\n",UE->mode); uint64_t dl_carrier, ul_carrier; - nr_get_carrier_frequencies(&UE->frame_parms, &dl_carrier, &ul_carrier); + nr_get_carrier_frequencies(UE, &dl_carrier, &ul_carrier); if (nr_initial_sync(&syncD->proc, UE, 2, get_softmodem_params()->sa, get_nrUE_params()->nr_dlsch_parallel) == 0) { freq_offset = UE->common_vars.freq_offset; // frequency offset computed with pss in initial sync diff --git a/executables/nr-uesoftmodem.c b/executables/nr-uesoftmodem.c index 76049db8ce..0af1de0833 100644 --- a/executables/nr-uesoftmodem.c +++ b/executables/nr-uesoftmodem.c @@ -366,7 +366,7 @@ void init_openair0(void) { openair0_cfg[card].rx_num_channels, duplex_mode[openair0_cfg[card].duplex_mode]); - nr_get_carrier_frequencies(frame_parms, &dl_carrier, &ul_carrier); + nr_get_carrier_frequencies(PHY_vars_UE_g[0][0], &dl_carrier, &ul_carrier); nr_rf_card_config_freq(&openair0_cfg[card], ul_carrier, dl_carrier, freq_off); nr_rf_card_config_gain(&openair0_cfg[card], rx_gain_off); @@ -423,7 +423,7 @@ int main( int argc, char **argv ) { get_options (); //Command-line options specific for NRUE - get_common_options(SOFTMODEM_5GUE_BIT ); + get_common_options(SOFTMODEM_5GUE_BIT); init_tpools(nrUE_params.nr_dlsch_parallel); CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP); #if T_TRACER @@ -493,14 +493,6 @@ int main( int argc, char **argv ) { init_timeshift_rotation(&UE[CC_id]->frame_parms); init_nr_ue_vars(UE[CC_id], 0, abstraction_flag); - #ifdef FR2_TEST - // Overwrite DL frequency (for FR2 testing) - if (downlink_frequency[0][0]!=0){ - frame_parms[CC_id]->dl_CarrierFreq = downlink_frequency[0][0]; - if (frame_parms[CC_id]->frame_type == TDD) - frame_parms[CC_id]->ul_CarrierFreq = downlink_frequency[0][0]; - } - #endif } init_openair0(); diff --git a/executables/nr-uesoftmodem.h b/executables/nr-uesoftmodem.h index 9f2a48d6a1..8469ffe790 100644 --- a/executables/nr-uesoftmodem.h +++ b/executables/nr-uesoftmodem.h @@ -7,7 +7,8 @@ - +#define CONFIG_HLP_IF_FREQ "IF frequency for RF, if needed" +#define CONFIG_HLP_IF_FREQ_OFF "UL IF frequency offset for RF, if needed" #define CONFIG_HLP_DLSCH_PARA "number of threads for dlsch processing 0 for no parallelization\n" #define CONFIG_HLP_OFFSET_DIV "Divisor for computing OFDM symbol offset in Rx chain (num samples in CP/). Default value is 8. To set the sample offset to 0, set this value ~ 10e6\n" /***************************************************************************************************************************************/ @@ -62,6 +63,8 @@ {"r" , CONFIG_HLP_PRB_SA, 0, iptr:&(fp->N_RB_DL), defintval:106, TYPE_UINT, 0}, \ {"s" , CONFIG_HLP_SSC, 0, u16ptr:&(fp->ssb_start_subcarrier), defintval:516, TYPE_UINT16,0}, \ {"T" , CONFIG_HLP_TDD, PARAMFLAG_BOOL, iptr:&tddflag, defintval:0, TYPE_INT, 0}, \ + {"if_freq" , CONFIG_HLP_IF_FREQ, 0, u64ptr:&(UE->if_freq), defuintval:0, TYPE_UINT64,0}, \ + {"if_freq_off" , CONFIG_HLP_IF_FREQ_OFF, 0, iptr:&(UE->if_freq_off), defuintval:0, TYPE_INT, 0}, \ {"do-prb-interpolation", CONFIG_HLP_PRBINTER, PARAMFLAG_BOOL, iptr:&(UE->prb_interpolation), defintval:0, TYPE_INT, 0}, \ {"ue-timing-correction-disable", CONFIG_HLP_DISABLETIMECORR, PARAMFLAG_BOOL, iptr:&(UE->no_timing_correction), defintval:0, TYPE_INT, 0}, \ } diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h index c277a8ffcc..046ca927a6 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h @@ -1466,7 +1466,7 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc, @param dl_Carrier Pointer to DL carrier to be set @param ul_Carrier Pointer to UL carrier to be set */ -void nr_get_carrier_frequencies(NR_DL_FRAME_PARMS *fp, +void nr_get_carrier_frequencies(PHY_VARS_NR_UE *ue, uint64_t *dl_Carrier, uint64_t *ul_Carrier); diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ue_rf_helpers.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ue_rf_helpers.c index 29cccdcf88..6530dd9512 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_ue_rf_helpers.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ue_rf_helpers.c @@ -33,19 +33,17 @@ #include "nr_transport_proto_ue.h" #include "executables/softmodem-common.h" -void nr_get_carrier_frequencies(NR_DL_FRAME_PARMS *fp, uint64_t *dl_carrier, uint64_t *ul_carrier){ +void nr_get_carrier_frequencies(PHY_VARS_NR_UE *ue, uint64_t *dl_carrier, uint64_t *ul_carrier){ - if (get_softmodem_params()->phy_test==1 || get_softmodem_params()->do_ra==1 || !downlink_frequency[0][0]) { + NR_DL_FRAME_PARMS *fp = &ue->frame_parms; + if (ue->if_freq!=0) { + *dl_carrier = ue->if_freq; + *ul_carrier = *dl_carrier + ue->if_freq_off; + } + else{ *dl_carrier = fp->dl_CarrierFreq; - } else { - *dl_carrier = downlink_frequency[0][0]; + *ul_carrier = fp->ul_CarrierFreq; } - - if (uplink_frequency_offset[0][0]) - *ul_carrier = *dl_carrier + uplink_frequency_offset[0][0]; - else - *ul_carrier = *dl_carrier + fp->ul_CarrierFreq - fp->dl_CarrierFreq; - } diff --git a/openair1/PHY/defs_nr_UE.h b/openair1/PHY/defs_nr_UE.h index 33322bccb2..8ce18aa667 100644 --- a/openair1/PHY/defs_nr_UE.h +++ b/openair1/PHY/defs_nr_UE.h @@ -767,6 +767,10 @@ typedef struct { int UE_scan_carrier; /// \brief Indicator that UE should enable estimation and compensation of frequency offset int UE_fo_compensation; + /// IF frequency for RF + uint64_t if_freq; + /// UL IF frequency offset for RF + int if_freq_off; /// \brief Indicator that UE is synchronized to a gNB int is_synchronized; /// \brief Indicator that UE lost frame synchronization