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Merge remote-tracking branch 'origin/fix_ntn_leo' into integration_2025_w16 (!3387)

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fix NTN LEO scenario

NR UE: in nr_slot_fep() perform FO compensation in local tmp_dft_in
array instead of global rxdata array.

This avoids problems if nr_slot_fep() is called more than once for an
OFDM symbol.
This commit is contained in:
Robert Schmidt
2025-04-22 09:38:07 +02:00
parent 884e60da69 1aa6aab120
commit f5b0d9603b
10 changed files with 59 additions and 100 deletions
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executables/nr-ue.c
+1 -1
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@@ -564,7 +564,7 @@ static void RU_write(nr_rxtx_thread_data_t *rxtxD, bool sl_tx_action)
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;
for (int i = 0; i < fp->nb_antennas_tx; i++)
nr_fo_compensation(ul_freq_offset, fp->samples_per_subframe, writeTimestamp, txp[i], writeBlockSize);
nr_fo_compensation(ul_freq_offset, fp->samples_per_subframe, writeTimestamp, txp[i], txp[i], writeBlockSize);
}
int tmp = openair0_write_reorder(&UE->rfdevice, writeTimestamp, txp, writeBlockSize, fp->nb_antennas_tx, flags);