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OpenXG-RAN
Commit 2d49ed99 authored by Elena Lukashova's avatar Elena Lukashova
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Extending channel compensation for larger number of receive 

and transmit antennas.
parent 053ccd6b
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Showing with 13 additions and 15 deletions
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
View file @ 2d49ed99
......@@ -1280,15 +1280,14 @@ void dlsch_channel_compensation(int **rxdataF_ext,
QAM_amp128b = _mm_set1_epi16(QAM64_n2);
}
// printf("comp: rxdataF_comp %p, symbol %d\n",rxdataF_comp[0],symbol);
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
dl_ch128 = (__m128i *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128 = (__m128i *)&dl_ch_mag[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128b = (__m128i *)&dl_ch_magb[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch128 = (__m128i *)&dl_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
//print_shorts("dl_ch128[0]=",&dl_ch128[0]);*/
dl_ch_mag128 = (__m128i *)&dl_ch_mag[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128b = (__m128i *)&dl_ch_magb[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
rxdataF128 = (__m128i *)&rxdataF_ext[aarx][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128 = (__m128i *)&rxdataF_comp[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128 = (__m128i *)&rxdataF_comp[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
for (rb=0; rb<nb_rb; rb++) {
......@@ -1344,7 +1343,6 @@ void dlsch_channel_compensation(int **rxdataF_ext,
// multiply by conjugated channel
mmtmpD0 = _mm_madd_epi16(dl_ch128[0],rxdataF128[0]);
// print_ints("re",&mmtmpD0);
// mmtmpD0 contains real part of 4 consecutive outputs (32-bit)
mmtmpD1 = _mm_shufflelo_epi16(dl_ch128[0],_MM_SHUFFLE(2,3,0,1));
......@@ -1542,11 +1540,11 @@ void dlsch_channel_compensation(int **rxdataF_ext,
// printf("comp: rxdataF_comp %p, symbol %d\n",rxdataF_comp[0],symbol);
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
dl_ch128 = (int16x4_t*)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128 = (int16x8_t*)&dl_ch_mag[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128b = (int16x8_t*)&dl_ch_magb[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch128 = (int16x4_t*)&dl_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128 = (int16x8_t*)&dl_ch_mag[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128b = (int16x8_t*)&dl_ch_magb[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
rxdataF128 = (int16x4_t*)&rxdataF_ext[aarx][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128 = (int16x4x2_t*)&rxdataF_comp[(aatx<<1)+aarx][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128 = (int16x4x2_t*)&rxdataF_comp[aatx*frame_parms->nb_antennas_rx + aarx][symbol*frame_parms->N_RB_DL*12];
for (rb=0; rb<nb_rb; rb++) {
if (mod_order>2) {
......
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