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Fix correlation calculation in nr_dlsch_channel_compensation()

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Thomas Schlichter
2022-02-25 12:40:50 +01:00
parent 22d2e9a38f
commit 8cfb8b6a3b
1 changed files with 2 additions and 2 deletions
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openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+2 -2
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@@ -931,12 +931,12 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext,
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) { for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
for (aatx=0; aatx<nb_aatx; aatx++) { for (aatx=0; aatx<nb_aatx; aatx++) {
dl_ch128 = (__m128i *)&dl_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*nb_rb*12];
for (atx=0; atx<nb_aatx; atx++) { for (atx=0; atx<nb_aatx; atx++) {
avg_rho_re[aarx][aatx*nb_aatx+atx] = 0; avg_rho_re[aarx][aatx*nb_aatx+atx] = 0;
avg_rho_im[aarx][aatx*nb_aatx+atx] = 0; avg_rho_im[aarx][aatx*nb_aatx+atx] = 0;
rho128 = (__m128i *)&rho[aarx][aatx*nb_aatx+atx][symbol*nb_rb*12]; rho128 = (__m128i *)&rho[aarx][aatx*nb_aatx+atx][symbol*nb_rb*12];
dl_ch128 = (__m128i *)&dl_ch_estimates_ext[aatx*frame_parms->nb_antennas_rx+aarx][symbol*nb_rb*12];
dl_ch128_2 = (__m128i *)&dl_ch_estimates_ext[atx*frame_parms->nb_antennas_rx+aarx][symbol*nb_rb*12]; dl_ch128_2 = (__m128i *)&dl_ch_estimates_ext[atx*frame_parms->nb_antennas_rx+aarx][symbol*nb_rb*12];
for (rb=0; rb<nb_rb_0; rb++) { for (rb=0; rb<nb_rb_0; rb++) {
@@ -1027,6 +1027,7 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext,
((int16_t*)&rho128[2])[5] + ((int16_t*)&rho128[2])[5] +
((int16_t*)&rho128[2])[7])/16; ((int16_t*)&rho128[2])[7])/16;
dl_ch128+=3;
dl_ch128_2+=3; dl_ch128_2+=3;
rho128+=3; rho128+=3;
} }
@@ -1036,7 +1037,6 @@ void nr_dlsch_channel_compensation(int **rxdataF_ext,
avg_rho_im[aarx][aatx*nb_aatx+atx] = 16*avg_rho_im[aarx][aatx*nb_aatx+atx]/(nb_rb*12); avg_rho_im[aarx][aatx*nb_aatx+atx] = 16*avg_rho_im[aarx][aatx*nb_aatx+atx]/(nb_rb*12);
//printf("rho[rx]%d tx%d tx%d = Re: %d Im: %d\n",aarx, aatx,atx, avg_rho_re[aarx][aatx*nb_aatx+atx], avg_rho_im[aarx][aatx*nb_aatx+atx]); //printf("rho[rx]%d tx%d tx%d = Re: %d Im: %d\n",aarx, aatx,atx, avg_rho_re[aarx][aatx*nb_aatx+atx], avg_rho_im[aarx][aatx*nb_aatx+atx]);
} }
dl_ch128+=3;
} }
} }
} }