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simplify nr_pdcch_channel_compensation()

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This commit is contained in:
Laurent THOMAS
2025-07-25 10:02:26 +02:00
parent 3ca12f78e5
commit 2c22f49a45
1 changed files with 16 additions and 22 deletions
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openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+16 -22
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@@ -352,29 +352,23 @@ void nr_pdcch_channel_compensation(int32_t rx_size,
uint32_t coreset_nbr_rb)
{
for (int aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
simde__m128i *dl_ch128 = (simde__m128i *)&dl_ch_estimates_ext[aarx][symbol * coreset_nbr_rb * 12];
simde__m128i *rxdataF128 = (simde__m128i *)&rxdataF_ext[aarx][symbol * coreset_nbr_rb * 12];
simde__m128i *rxdataF_comp128 = (simde__m128i *)&rxdataF_comp[aarx][symbol * coreset_nbr_rb * 12];
//printf("ch compensation dl_ch ext addr %p \n", &dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*20*12]);
//printf("rxdataf ext addr %p symbol %d\n", &rxdataF_ext[aarx][symbol*20*12], symbol);
//printf("rxdataf_comp addr %p\n",&rxdataF_comp[(aatx<<1)+aarx][symbol*20*12]);
const int sz = coreset_nbr_rb * 12;
c16_t *dl_ch = dl_ch_estimates_ext[aarx] + symbol * sz;
c16_t *rxdataF = rxdataF_ext[aarx] + symbol * sz;
c16_t *rxdataF_c = rxdataF_comp[aarx] + symbol * sz;
// multiply by conjugated channel
mult_cpx_conj_vector((c16_t *)dl_ch128, (c16_t *)rxdataF128, (c16_t *)rxdataF_comp128, 12 * coreset_nbr_rb, output_shift);
for (int rb = 0; rb < 12 * coreset_nbr_rb; rb++) {
LOG_DDD("rxdataF128[%d]=(%d,%d) X dlch[%d]=(%d,%d) rxdataF_comp128[%d]=(%d,%d)\n",
rb,
((c16_t *)rxdataF128)[rb].r,
((c16_t *)rxdataF128)[rb].i,
rb,
((c16_t *)dl_ch128)[rb].r,
((c16_t *)dl_ch128)[rb].i,
rb,
((c16_t *)rxdataF_comp128)[rb].r,
((c16_t *)rxdataF_comp128)[rb].i);
}
mult_cpx_conj_vector(dl_ch, rxdataF, rxdataF_c, sz, output_shift);
for (int rb = 0; rb < sz; rb++)
LOG_DDD("rxdataF[%d]=(%d,%d) X dlch[%d]=(%d,%d) rxdataF_comp[%d]=(%d,%d)\n",
rb,
rxdataF[rb].r,
rxdataF[rb].i,
rb,
dl_ch[rb].r,
dl_ch[rb].i,
rb,
rxdataF_c[rb].r,
rxdataF_c[rb].i);
}
}