Skip to content

O
OpenXG-RAN
Commit 62c42f4e authored by Rakesh's avatar Rakesh Committed by Florian Kaltenberger
Browse files
Options

Fix for dmrs and data extraction for using threequarter sampling rate

parent 4998b6ae
Show whitespace changes
Inline Side-by-side
Showing with 59 additions and 28 deletions
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ 62c42f4e
...@@ -98,7 +98,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -98,7 +98,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
#endif #endif
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
...@@ -113,7 +114,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -113,7 +114,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
#endif #endif
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
current_ssb->c_re +=ch[0]; current_ssb->c_re +=ch[0];
...@@ -124,7 +126,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -124,7 +126,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
#endif #endif
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
for (pilot_cnt=3; pilot_cnt<(3*20); pilot_cnt+=3) { for (pilot_cnt=3; pilot_cnt<(3*20); pilot_cnt+=3) {
...@@ -135,7 +138,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -135,7 +138,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
// in 2nd symbol, skip middle REs (48 with DMRS, 144 for SSS, and another 48 with DMRS) // in 2nd symbol, skip middle REs (48 with DMRS, 144 for SSS, and another 48 with DMRS)
if (dmrss == 1 && pilot_cnt == 12) { if (dmrss == 1 && pilot_cnt == 12) {
pilot_cnt=48; pilot_cnt=48;
re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 144) : (re_offset+144);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
} }
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
...@@ -149,7 +153,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -149,7 +153,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
#endif #endif
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
...@@ -163,7 +168,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -163,7 +168,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]); printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif #endif
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
...@@ -178,7 +184,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue, ...@@ -178,7 +184,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
#endif #endif
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
} }
...@@ -303,7 +310,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -303,7 +310,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
16); 16);
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
//for (int i= 0; i<8; i++) //for (int i= 0; i<8; i++)
...@@ -321,7 +329,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -321,7 +329,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
16); 16);
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
...@@ -336,7 +345,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -336,7 +345,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
16); 16);
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
dl_ch+=24; dl_ch+=24;
...@@ -348,7 +358,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -348,7 +358,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
// in 2nd symbol, skip middle REs (48 with DMRS, 144 for SSS, and another 48 with DMRS) // in 2nd symbol, skip middle REs (48 with DMRS, 144 for SSS, and another 48 with DMRS)
if (dmrss == 1 && pilot_cnt == 12) { if (dmrss == 1 && pilot_cnt == 12) {
pilot_cnt=48; pilot_cnt=48;
re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 144) : (re_offset+144);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
dl_ch += 288; dl_ch += 288;
} }
...@@ -367,7 +378,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -367,7 +378,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
// printf("pilot_cnt %d dl_ch %d %d\n", pilot_cnt, dl_ch+i, *(dl_ch+i)); // printf("pilot_cnt %d dl_ch %d %d\n", pilot_cnt, dl_ch+i, *(dl_ch+i));
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
...@@ -382,7 +394,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -382,7 +394,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
16); 16);
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
...@@ -398,7 +411,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -398,7 +411,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
16); 16);
pil+=2; pil+=2;
re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
dl_ch+=24; dl_ch+=24;
...@@ -611,9 +625,17 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -611,9 +625,17 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
idft = idft2048; idft = idft2048;
break; break;
default: case 3072:
idft = idft512; idft = idft3072;
break;
case 4096:
idft = idft4096;
break; break;
default:
printf("unsupported ofdm symbol size \n");
assert(0);
} }
if( (Ns== 1) && (symbol == 0)) if( (Ns== 1) && (symbol == 0))
...@@ -623,7 +645,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -623,7 +645,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) { for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) {
if (ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates[(p<<1)+aarx]) if (ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates[(p<<1)+aarx])
{ {
LOG_D(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns], symbol); LOG_I(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns], symbol);
idft((int16_t*) &ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates[(p<<1)+aarx][0], idft((int16_t*) &ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates[(p<<1)+aarx][0],
(int16_t*) ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates_time[(p<<1)+aarx],1); (int16_t*) ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates_time[(p<<1)+aarx],1);
} }
...@@ -734,7 +756,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -734,7 +756,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
8); 8);
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
//for (int i= 0; i<8; i++) //for (int i= 0; i<8; i++)
//printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i)); //printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
...@@ -749,7 +772,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -749,7 +772,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
8); 8);
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
//printf("dl_ch addr %p\n",dl_ch); //printf("dl_ch addr %p\n",dl_ch);
...@@ -767,7 +791,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -767,7 +791,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
//printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i)); //printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
dl_ch+=8; dl_ch+=8;
...@@ -787,7 +812,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -787,7 +812,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
8); 8);
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
...@@ -800,7 +826,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -800,7 +826,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch, dl_ch,
8); 8);
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
dl_ch+=8; dl_ch+=8;
...@@ -821,7 +848,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -821,7 +848,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
//printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i)); //printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
...@@ -836,7 +864,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, ...@@ -836,7 +864,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
8); 8);
pil+=2; pil+=2;
re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1); //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
dl_ch+=8; dl_ch+=8;
......
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
View file @ 62c42f4e
...@@ -103,7 +103,8 @@ uint16_t nr_pbch_extract(int **rxdataF, ...@@ -103,7 +103,8 @@ uint16_t nr_pbch_extract(int **rxdataF,
j++; j++;
} }
rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1); //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
} }
rxF_ext+=9; rxF_ext+=9;
...@@ -125,11 +126,12 @@ uint16_t nr_pbch_extract(int **rxdataF, ...@@ -125,11 +126,12 @@ uint16_t nr_pbch_extract(int **rxdataF,
j++; j++;
} }
rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1); //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
} }
rxF_ext+=9; rxF_ext+=9;
} else rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1); } else rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 12) : (rx_offset+12);//rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1);
} }
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment