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NR UE: remove global variable rx_gain_off, which has no function

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The global variable rx_gain_off was always 0.0, as it was not even modified by the NR UE command line parameter --ue-rxgain-off.
That command line parameter modified only a parameter in the struct nrUE_params_t, which was not used at all and is removed in this commit, too.
Also, the global variable rx_gain_off was just added to rx_total_gain_dB and subtracted from it again in nr_rf_card_config_gain().
So we simplify that function slightly, too.
This commit is contained in:
Thomas Schlichter
2026-01-26 11:41:33 +01:00
parent fef4e7b23e
commit af4ceea12c
5 changed files with 6 additions and 15 deletions
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executables/nr-uesoftmodem.c
+2 -5
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@@ -104,8 +104,6 @@ int oai_exit = 0;
static int tx_max_power[MAX_NUM_CCs] = {0};
double rx_gain_off = 0.0;
uint64_t downlink_frequency[MAX_NUM_CCs][4];
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
uint64_t sidelink_frequency[MAX_NUM_CCs][4];
@@ -191,7 +189,7 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
NR_DL_FRAME_PARMS *fp = &UE->frame_parms;
// Set UE variables
UE->rx_total_gain_dB = (int)nrUE_params.rx_gain + rx_gain_off;
UE->rx_total_gain_dB = (int)nrUE_params.rx_gain;
UE->tx_total_gain_dB = (int)nrUE_params.tx_gain;
UE->tx_power_max_dBm = nrUE_params.tx_max_power;
UE->rf_map.card = 0;
@@ -266,8 +264,7 @@ void init_openair0(PHY_VARS_NR_UE *ue)
nr_get_carrier_frequencies(PHY_vars_UE_g[0][0], &dl_carrier, &ul_carrier);
nr_rf_card_config_freq(cfg, ul_carrier, dl_carrier, freq_off);
nr_rf_card_config_gain(cfg, rx_gain_off);
nr_rf_card_config_gain(cfg);
cfg->configFilename = get_softmodem_params()->rf_config_file;