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NR UE: add option "--cont-fo-comp 3" to not consider measured residual DL FO for UL FO pre-compensation

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Thomas Schlichter
2025-12-19 16:42:58 +01:00
parent f6fd7b61ec
commit aa3a209842
3 changed files with 4 additions and 2 deletions
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executables/nr-ue.c
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@@ -398,6 +398,8 @@ static void RU_write(nr_rxtx_thread_data_t *rxtxD, bool sl_tx_action, c16_t **tx
double ul_freq_offset = -UE->freq_offset * ((double)fp->ul_CarrierFreq / (double)fp->dl_CarrierFreq);
if (get_nrUE_params()->cont_fo_comp == 2) // different from LO frequency error compensation, Doppler UL pre-compensation has to be negative
ul_freq_offset = -ul_freq_offset;
else if (get_nrUE_params()->cont_fo_comp == 3) // do not consider residual DL FO for UL pre-compensation at all
ul_freq_offset = 0;
for (int i = 0; i < fp->nb_antennas_tx; i++)
nr_fo_compensation(UE->ul_Doppler_shift + ul_freq_offset,
fp->samples_per_subframe,