maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fixed issues when extracting pdsch REs in UE for positive frequency portion of BWP

Browse Source
This commit is contained in:
Raymond Knopp
2019-10-07 08:32:46 +02:00
parent cbb9464bac
commit 5e1c31019d
1 changed files with 36 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+36 -58
View File
@@ -2379,10 +2379,14 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned char j=0;
k = frame_parms->first_carrier_offset + 12*start_rb;
AssertFatal(frame_parms->nushift ==0 || frame_parms->nushift == 1,
"nushift %d is illegal\n",frame_parms->nushift);
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
k = frame_parms->first_carrier_offset + 12*start_rb;
if (k>frame_parms->ofdm_symbol_size) k=k-frame_parms->ofdm_symbol_size;
if (high_speed_flag == 1)
dl_ch0 = &dl_ch_estimates[aarx][(2*(frame_parms->ofdm_symbol_size))];
else
@@ -2393,65 +2397,39 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
rxF_ext = &rxdataF_ext[aarx][symbol*(nb_rb_pdsch*12)];
rxF = &rxdataF[aarx][(k+(symbol*(frame_parms->ofdm_symbol_size)))];
//printf("extract single addr %p pilots %d symbol %d, l %d RB_DL %d nushift %d k %d\n", rxF, pilots, symbol, l, frame_parms->N_RB_DL,frame_parms->nushift,k);
//if ((frame_parms->N_RB_DL&1) == 0){ // even number of RBs
for (rb = start_rb; rb < nb_rb_pdsch + start_rb; rb++) {
// For second half of RBs skip DC carrier
if (k>=frame_parms->ofdm_symbol_size) {
rxF = &rxdataF[aarx][(symbol*(frame_parms->ofdm_symbol_size))];
k=k-(frame_parms->ofdm_symbol_size);
}
//*pmi_ext = (pmi>>((rb>>2)<<1))&3;
//memcpy(dl_ch0_ext,dl_ch0,12*sizeof(int));
/*
printf("rb %d\n",rb);
for (i=0;i<12;i++)
printf("(%d %d)",((short *)dl_ch0)[i<<1],((short*)dl_ch0)[1+(i<<1)]);
printf("\n");
*/
if (pilots==0) {
for (i=0; i<12; i++) {
rxF_ext[i]=rxF[i];
dl_ch0_ext[i]=dl_ch0[i];
/*printf("rb %ld %p: (%d,%d)\n",(rxF+i-&rxdataF[aarx][( (symbol*(frame_parms->ofdm_symbol_size)))]),rxF,
((short*)&rxF[i])[0],((short*)&rxF[i])[1]);
printf("rb %ld %p: dl_ch (%d,%d)\n",(rxF+i-&rxdataF[aarx][( (symbol*(frame_parms->ofdm_symbol_size)))]),rxF,
((short*)&dl_ch0[i])[0],((short*)&dl_ch0[i])[1]);
printf("re count %d\n",rb*12+i);*/
}
dl_ch0_ext+=12;
rxF_ext+=12;
} else {
j=0;
for (i=0; i<12; i++) {
if ((i&1)!=frame_parms->nushift){
rxF_ext[j]=rxF[i];
//printf("extract rb %d, re %d => rxF (%d,%d) rxF ext (%d,%d) addr %p\n",rb,i,*(short *)&rxF[i],*(1+(short*)&rxF[i]),*(short *)&rxF_ext[j],*(1+(short*)&rxF_ext[j]),rxF_ext);
dl_ch0_ext[j]=dl_ch0[i];
//printf("rb %ld %p: dl_ch (%d,%d)\n",(rxF+i-&rxdataF[aarx][( (symbol*(frame_parms->ofdm_symbol_size)))]),rxF,
//((short*)&dl_ch0[i])[0],((short*)&dl_ch0[i])[1]);
j++;
}
}
dl_ch0_ext+=6;
rxF_ext+=6;
}
dl_ch0+=12;
rxF+=12;
k+=12;
for (rb = 0; rb < nb_rb_pdsch; rb++) {
if (pilots==0) {
memcpy((void*)rxF_ext,(void*)rxF,12*sizeof(*rxF_ext));
memcpy((void*)dl_ch0_ext,(void*)dl_ch0,12*sizeof(*dl_ch0_ext));
dl_ch0_ext+=12;
rxF_ext+=12;
} else {
j=0;
for (i = (1-frame_parms->nushift);
i<12;
i+=2) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
dl_ch0_ext+=6;
rxF_ext+=6;
}
dl_ch0+=12;
rxF+=12;
k+=12;
if (k>=frame_parms->ofdm_symbol_size) {
k=k-(frame_parms->ofdm_symbol_size);
rxF = &rxdataF[aarx][k+(symbol*(frame_parms->ofdm_symbol_size))];
}
}
}
return(nb_rb_pdsch/frame_parms->nb_antennas_rx);
}