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pbchsim: apply nr rotation in frequency domain, like in all other places, instead of time domain

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This commit is contained in:
Thomas Schlichter
2022-08-25 10:17:59 +02:00
parent e28fccc7fb
commit 21ea2f2136
1 changed files with 15 additions and 14 deletions
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openair1/SIMULATION/NR_PHY/pbchsim.c
+15 -14
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@@ -606,6 +606,13 @@ int main(int argc, char **argv)
for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
if (cyclic_prefix_type == 1) {
apply_nr_rotation(frame_parms,
(int16_t*)gNB->common_vars.txdataF[aa],
slot,
0,
12,
frame_parms->ofdm_symbol_size);
PHY_ofdm_mod(gNB->common_vars.txdataF[aa],
&txdata[aa][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)],
frame_parms->ofdm_symbol_size,
@@ -613,10 +620,18 @@ int main(int argc, char **argv)
frame_parms->nb_prefix_samples,
CYCLIC_PREFIX);
} else {
apply_nr_rotation(frame_parms,
(int16_t*)gNB->common_vars.txdataF[aa],
slot,
0,
14,
frame_parms->ofdm_symbol_size);
/*nr_normal_prefix_mod(gNB->common_vars.txdataF[aa],
&txdata[aa][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)],
14,
frame_parms);*/
PHY_ofdm_mod(gNB->common_vars.txdataF[aa],
(int*)&txdata[aa][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)],
frame_parms->ofdm_symbol_size,
@@ -624,26 +639,12 @@ int main(int argc, char **argv)
frame_parms->nb_prefix_samples0,
CYCLIC_PREFIX);
apply_nr_rotation(frame_parms,
(int16_t*)&txdata[aa][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)],
slot,
0,
1,
frame_parms->ofdm_symbol_size+frame_parms->nb_prefix_samples0);
PHY_ofdm_mod(&gNB->common_vars.txdataF[aa][frame_parms->ofdm_symbol_size],
(int*)&txdata[aa][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)+frame_parms->nb_prefix_samples0+frame_parms->ofdm_symbol_size],
frame_parms->ofdm_symbol_size,
13,
frame_parms->nb_prefix_samples,
CYCLIC_PREFIX);
apply_nr_rotation(frame_parms,
(int16_t*)&txdata[aa][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)+frame_parms->nb_prefix_samples0+frame_parms->ofdm_symbol_size],
slot,
1,
13,
frame_parms->ofdm_symbol_size+frame_parms->nb_prefix_samples);
}
}
}