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Extension of the channel interpolation implementation for the case NR_SRS_Resource__transmissionComb_PR_n4

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rmagueta
2021-12-01 14:43:04 +00:00
parent d7af1269b7
commit 340508ffe0
1 changed files with 18 additions and 7 deletions
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openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+18 -7
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@@ -1136,13 +1136,24 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
srs_ls_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx] + subcarrier_offset] = ls_estimated[0] + (((int32_t)ls_estimated[1]<<16)&0xFFFF0000); srs_ls_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx] + subcarrier_offset] = ls_estimated[0] + (((int32_t)ls_estimated[1]<<16)&0xFFFF0000);
if(sc_idx == 0) { // Channel interpolation
multadd_real_vector_complex_scalar(filt8_l0, ls_estimated, srs_estimated_channel16, 8); if(srs_pdu->comb_size == 0) {
} else if(sc_idx%2 == 1) { if(sc_idx == 0) {
multadd_real_vector_complex_scalar(filt8_m0, ls_estimated, srs_estimated_channel16, 8); multadd_real_vector_complex_scalar(filt8_l0, ls_estimated, srs_estimated_channel16, 8);
} else if(sc_idx%2 == 0) { } else if(sc_idx%2 == 1) {
multadd_real_vector_complex_scalar(filt8_mm0, ls_estimated, srs_estimated_channel16, 8); multadd_real_vector_complex_scalar(filt8_m0, ls_estimated, srs_estimated_channel16, 8);
srs_estimated_channel16+=8; } else if(sc_idx%2 == 0) {
multadd_real_vector_complex_scalar(filt8_mm0, ls_estimated, srs_estimated_channel16, 8);
srs_estimated_channel16+=8;
}
} else {
if(sc_idx>0) {
multadd_real_vector_complex_scalar(filt8_dcr0_h, ls_estimated, srs_estimated_channel16, 8);
srs_estimated_channel16+=8;
srs_estimated_channel16[0] = 0;
srs_estimated_channel16[1] = 0;
}
multadd_real_vector_complex_scalar(filt8_dcl0_h, ls_estimated, srs_estimated_channel16, 8);
} }
#ifdef SRS_DEBUG #ifdef SRS_DEBUG