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OpenXG-RAN
Commit 053ccd6b authored by Elena Lukashova's avatar Elena Lukashova
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Extending MRC_TM34 for bigger number of receive and transmit antennas.

parent 9276a4ae
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Showing with 96 additions and 36 deletions
openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c
View file @ 053ccd6b
......@@ -3443,7 +3443,11 @@ void dlsch_detection_mrc_TM34(LTE_DL_FRAME_PARMS *frame_parms,
unsigned char dual_stream_UE) {
int i;
__m128i *rxdataF_comp128_0,*rxdataF_comp128_1,*rxdataF_comp128_i0,*rxdataF_comp128_i1,*dl_ch_mag128_0,*dl_ch_mag128_1,*dl_ch_mag128_0b,*dl_ch_mag128_1b,*rho128_0,*rho128_1,*rho128_i0,*rho128_i1,*dl_ch_mag128_i0,*dl_ch_mag128_i1,*dl_ch_mag128_i0b,*dl_ch_mag128_i1b;
__m128i *rxdataF_comp128_0,*rxdataF_comp128_1;
__m128i *dl_ch_mag128_0,*dl_ch_mag128_1;
__m128i *dl_ch_mag128_0b,*dl_ch_mag128_1b;
__m128i *rho128_0, *rho128_1;
int **rxdataF_comp0 = pdsch_vars->rxdataF_comp0;
int **rxdataF_comp1 = pdsch_vars->rxdataF_comp1[harq_pid][round];
......@@ -3454,59 +3458,115 @@ void dlsch_detection_mrc_TM34(LTE_DL_FRAME_PARMS *frame_parms,
int **dl_ch_magb0 = pdsch_vars->dl_ch_magb0;
int **dl_ch_magb1 = pdsch_vars->dl_ch_magb1[harq_pid][round];
if (frame_parms->nb_antennas_rx>1) {
rxdataF_comp128_0 = (__m128i *)&rxdataF_comp0[0][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128_1 = (__m128i *)&rxdataF_comp0[1][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_0 = (__m128i *)&dl_ch_mag0[0][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_1 = (__m128i *)&dl_ch_mag0[1][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_0b = (__m128i *)&dl_ch_magb0[0][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_1b = (__m128i *)&dl_ch_magb0[1][symbol*frame_parms->N_RB_DL*12];
rho128_0 = (__m128i *) &dl_ch_rho2_ext[0][symbol*frame_parms->N_RB_DL*12];
rho128_1 = (__m128i *) &dl_ch_rho2_ext[1][symbol*frame_parms->N_RB_DL*12];
// MRC on each re of rb, both on MF output and magnitude (for 16QAM/64QAM llr computation)
for (i=0;i<nb_rb*3;i++) {
rxdataF_comp128_0[i] = _mm_adds_epi16(_mm_srai_epi16(rxdataF_comp128_0[i],1),_mm_srai_epi16(rxdataF_comp128_1[i],1));
dl_ch_mag128_0[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_0[i],1),_mm_srai_epi16(dl_ch_mag128_1[i],1));
dl_ch_mag128_0b[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_0b[i],1),_mm_srai_epi16(dl_ch_mag128_1b[i],1));
// print_shorts("mrc compens0:",&rxdataF_comp128_0[i]);
// print_shorts("mrc mag128_0:",&dl_ch_mag128_0[i]);
// print_shorts("mrc mag128_0b:",&dl_ch_mag128_0b[i]);
} }
// if (rho) {
rho128_0 = (__m128i *) &dl_ch_rho2_ext[0][symbol*frame_parms->N_RB_DL*12];
rho128_1 = (__m128i *) &dl_ch_rho2_ext[1][symbol*frame_parms->N_RB_DL*12];
for (i=0;i<nb_rb*3;i++) {
// print_shorts("mrc rho0:",&rho128_0[i]);
// print_shorts("mrc rho1:",&rho128_1[i]);
rho128_0[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_0[i],1),_mm_srai_epi16(rho128_1[i],1));
}
//}
if (frame_parms->nb_antennas_rx>2) {
__m128i *rxdataF_comp128_2 = NULL;
__m128i *rxdataF_comp128_3 = NULL;
__m128i *dl_ch_mag128_2 = NULL;
__m128i *dl_ch_mag128_3 = NULL;
__m128i *dl_ch_mag128_2b = NULL;
__m128i *dl_ch_mag128_3b = NULL;
__m128i *rho128_2 = NULL;
__m128i *rho128_3 = NULL;
rxdataF_comp128_2 = (__m128i *)&rxdataF_comp0[2][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128_3 = (__m128i *)&rxdataF_comp0[3][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_2 = (__m128i *)&dl_ch_mag0[2][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_3 = (__m128i *)&dl_ch_mag0[3][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_2b = (__m128i *)&dl_ch_magb0[2][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_3b = (__m128i *)&dl_ch_magb0[3][symbol*frame_parms->N_RB_DL*12];
rho128_2 = (__m128i *) &dl_ch_rho2_ext[2][symbol*frame_parms->N_RB_DL*12];
rho128_3 = (__m128i *) &dl_ch_rho2_ext[3][symbol*frame_parms->N_RB_DL*12];
/*rxdataF_comp*/
rxdataF_comp128_2[i] = _mm_adds_epi16(_mm_srai_epi16(rxdataF_comp128_2[i],1),_mm_srai_epi16(rxdataF_comp128_3[i],1));
rxdataF_comp128_0[i] = _mm_adds_epi16(_mm_srai_epi16(rxdataF_comp128_0[i],1),_mm_srai_epi16(rxdataF_comp128_2[i],1));
/*dl_ch_mag*/
dl_ch_mag128_2[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_2[i],1),_mm_srai_epi16(dl_ch_mag128_3[i],1));
dl_ch_mag128_0[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_0[i],1),_mm_srai_epi16(dl_ch_mag128_2[i],1));
/*dl_ch_mag*/
dl_ch_mag128_2b[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_2b[i],1),_mm_srai_epi16(dl_ch_mag128_3b[i],1));
dl_ch_mag128_0b[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_0b[i],1),_mm_srai_epi16(dl_ch_mag128_2b[i],1));
/*rho*/
rho128_2[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_2[i],1),_mm_srai_epi16(rho128_3[i],1));
rho128_0[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_0[i],1),_mm_srai_epi16(rho128_2[i],1));
}
}
if (dual_stream_UE == 1) {
rho128_i0 = (__m128i *) &dl_ch_rho_ext[0][symbol*frame_parms->N_RB_DL*12];
rho128_i1 = (__m128i *) &dl_ch_rho_ext[1][symbol*frame_parms->N_RB_DL*12];
__m128i *dl_ch_mag128_i0, *dl_ch_mag128_i1;
__m128i *dl_ch_mag128_i0b, *dl_ch_mag128_i1b;
__m128i *rho128_i0, *rho128_i1;
__m128i *rxdataF_comp128_i0, *rxdataF_comp128_i1;
rxdataF_comp128_i0 = (__m128i *)&rxdataF_comp1[0][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128_i1 = (__m128i *)&rxdataF_comp1[1][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i0 = (__m128i *)&dl_ch_mag1[0][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i1 = (__m128i *)&dl_ch_mag1[1][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i0b = (__m128i *)&dl_ch_magb1[0][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i1b = (__m128i *)&dl_ch_magb1[1][symbol*frame_parms->N_RB_DL*12];
rho128_i0 = (__m128i *) &dl_ch_rho_ext[0][symbol*frame_parms->N_RB_DL*12];
rho128_i1 = (__m128i *) &dl_ch_rho_ext[1][symbol*frame_parms->N_RB_DL*12];
for (i=0;i<nb_rb*3;i++) {
rxdataF_comp128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(rxdataF_comp128_i0[i],1),_mm_srai_epi16(rxdataF_comp128_i1[i],1));
rho128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_i0[i],1),_mm_srai_epi16(rho128_i1[i],1));
dl_ch_mag128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_i0[i],1),_mm_srai_epi16(dl_ch_mag128_i1[i],1));
dl_ch_mag128_i0b[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_i0b[i],1),_mm_srai_epi16(dl_ch_mag128_i1b[i],1));
rho128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_i0[i],1),_mm_srai_epi16(rho128_i1[i],1));
//print_shorts("mrc compens1:",&rxdataF_comp128_i0[i]);
//print_shorts("mrc mag128_i0:",&dl_ch_mag128_i0[i]);
//print_shorts("mrc mag128_i0b:",&dl_ch_mag128_i0b[i]);
if (frame_parms->nb_antennas_rx>2) {
__m128i *rxdataF_comp128_i2 = NULL;
__m128i *rxdataF_comp128_i3 = NULL;
__m128i *dl_ch_mag128_i2 = NULL;
__m128i *dl_ch_mag128_i3 = NULL;
__m128i *dl_ch_mag128_i2b = NULL;
__m128i *dl_ch_mag128_i3b = NULL;
__m128i *rho128_i2 = NULL;
__m128i *rho128_i3 = NULL;
rxdataF_comp128_i2 = (__m128i *)&rxdataF_comp1[2][symbol*frame_parms->N_RB_DL*12];
rxdataF_comp128_i3 = (__m128i *)&rxdataF_comp1[3][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i2 = (__m128i *)&dl_ch_mag1[2][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i3 = (__m128i *)&dl_ch_mag1[3][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i2b = (__m128i *)&dl_ch_magb1[2][symbol*frame_parms->N_RB_DL*12];
dl_ch_mag128_i3b = (__m128i *)&dl_ch_magb1[3][symbol*frame_parms->N_RB_DL*12];
rho128_i2 = (__m128i *) &dl_ch_rho_ext[2][symbol*frame_parms->N_RB_DL*12];
rho128_i3 = (__m128i *) &dl_ch_rho_ext[3][symbol*frame_parms->N_RB_DL*12];
/*rxdataF_comp*/
rxdataF_comp128_i2[i] = _mm_adds_epi16(_mm_srai_epi16(rxdataF_comp128_i2[i],1),_mm_srai_epi16(rxdataF_comp128_i3[i],1));
rxdataF_comp128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(rxdataF_comp128_i0[i],1),_mm_srai_epi16(rxdataF_comp128_i2[i],1));
/*dl_ch_mag*/
dl_ch_mag128_i2[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_i2[i],1),_mm_srai_epi16(dl_ch_mag128_i3[i],1));
dl_ch_mag128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_i0[i],1),_mm_srai_epi16(dl_ch_mag128_i2[i],1));
/*dl_ch_mag*/
dl_ch_mag128_i2b[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_i2b[i],1),_mm_srai_epi16(dl_ch_mag128_i3b[i],1));
dl_ch_mag128_i0b[i] = _mm_adds_epi16(_mm_srai_epi16(dl_ch_mag128_i0b[i],1),_mm_srai_epi16(dl_ch_mag128_i2b[i],1));
/*rho*/
rho128_i2[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_i2[i],1),_mm_srai_epi16(rho128_i3[i],1));
rho128_i0[i] = _mm_adds_epi16(_mm_srai_epi16(rho128_i0[i],1),_mm_srai_epi16(rho128_i2[i],1));
}
}
}
_mm_empty();
_m_empty();
......
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