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Commit d92bc77a authored by hongzhi wang's avatar hongzhi wang
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ue nr pbch fix

parent 7b5b739e
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Showing with 53 additions and 54 deletions
openair1/PHY/MODULATION/slot_fep.c
View file @ d92bc77a
......@@ -39,7 +39,7 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
NR_UE_COMMON *common_vars = &ue->common_vars;
uint8_t eNB_id = 0;//ue_common_vars->eNb_id;
unsigned char aa;
unsigned char symbol = l+((7-frame_parms->Ncp)*(Ns&1)); ///symbol within sub-frame
unsigned char symbol = l;//+((7-frame_parms->Ncp)*(Ns&1)); ///symbol within sub-frame
unsigned int nb_prefix_samples = (no_prefix ? 0 : frame_parms->nb_prefix_samples);
unsigned int nb_prefix_samples0 = (no_prefix ? 0 : frame_parms->nb_prefix_samples0);
unsigned int subframe_offset;//,subframe_offset_F;
......@@ -181,7 +181,7 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
}
if (ue->perfect_ce == 0) {
if ((l==0) || (l==(4-frame_parms->Ncp))) {
if ((l>0) && (l<4)) {
for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
#ifdef DEBUG_FEP
......
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @ d92bc77a
......@@ -145,11 +145,12 @@ int nr_pbch_dmrs_rx(unsigned int *nr_gold_pbch,
/// BPSK modulation
for (m=0; m<NR_PBCH_DMRS_LENGTH; m++) {
output[m<<1] = nr_mod_table[((1 + ((nr_gold_pbch[m>>5]&(1<<(m&0x1f)))>>(m&0x1f)))<<1)];
output[(m<<1)+1] = nr_mod_table[((1 + ((nr_gold_pbch[m>>5]&(1<<(m&0x1f)))>>(m&0x1f)))<<1) + 1];
((int16_t*)output)[m<<1] = nr_mod_table[((1 + ((nr_gold_pbch[m>>5]&(1<<(m&0x1f)))>>(m&0x1f)))<<1)];
((int16_t*)output)[(m<<1)+1] = nr_mod_table[((1 + ((nr_gold_pbch[m>>5]&(1<<(m&0x1f)))>>(m&0x1f)))<<1) + 1];
#ifdef DEBUG_PBCH
printf("nr_gold_pbch[m>>5] %x\n",nr_gold_pbch[m>>5]);
printf("m %d output %d %d\n", m, output[2*m], output[2*m+1]);
//printf("nr_gold_pbch[m>>5] %x\n",nr_gold_pbch[m>>5]);
if (m<6)
printf("m %d output %d %d addr %p\n", m, output[2*m], output[2*m+1],&output[0]);
#endif
}
......
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ d92bc77a
......@@ -38,10 +38,10 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned char symbol)
{
int pilot[2][200] __attribute__((aligned(16)));
unsigned char nu,aarx;
unsigned char aarx;
unsigned short k;
unsigned int rb,pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*dl_ch_prev,*fl,*fm,*f2l,*fr,f1,*f2r,*fl_dc,*fm_dc,*fr_dc;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*f2l,*fr,f1,*f2r,*fl_dc,*fm_dc,*fr_dc;
int ch_offset,symbol_offset;
uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
......@@ -65,8 +65,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
k = nushift;
#ifdef DEBUG_CH
printf("PBCH Channel Estimation : ThreadId %d, eNB_offset %d cell_id %d ch_offset %d, OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d\n",ue->current_thread_id[Ns>>1], eNB_offset,Nid_cell,ch_offset,ue->frame_parms.ofdm_symbol_size,
ue->frame_parms.Ncp,l,Ns,k);
printf("PBCH Channel Estimation : ThreadId %d, eNB_offset %d cell_id %d ch_offset %d, OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d\n",ue->current_thread_id[Ns>>1], eNB_offset,Nid_cell,ch_offset,ue->frame_parms.ofdm_symbol_size,
ue->frame_parms.Ncp,l,Ns,k, symbol);
#endif
switch (k) {
......@@ -133,7 +133,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
pil = (int16_t *)&pilot[p][0];
rxF = (int16_t *)&rxdataF[aarx][((symbol_offset+k+ue->frame_parms.first_carrier_offset))];
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+(ue->frame_parms.ofdm_symbol_size-10*12))];
dl_ch = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][ch_offset];
memset(dl_ch,0,4*(ue->frame_parms.ofdm_symbol_size));
......@@ -142,7 +142,10 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
ue->ch_est_alpha,dl_ch-(ue->frame_parms.ofdm_symbol_size<<1),
1,ue->frame_parms.ofdm_symbol_size);
#ifdef DEBUG_CH
printf("ch est pilot addr %p RB_DL %d\n",&pilot[p][0], ue->frame_parms.N_RB_DL);
printf("k %d, first_carrier %d\n",k,ue->frame_parms.first_carrier_offset);
printf("rxF addr %p\n", rxF);
printf("dl_ch addr %p\n",dl_ch);
#endif
if ((ue->frame_parms.N_RB_DL&1)==0) {
......@@ -160,9 +163,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
pil+=2;
rxF+=8;
for (int i= 0; i<8; i++)
printf("dl_ch %d %d\n", dl_ch+i, *(dl_ch+i));
//dl_ch+=6;
printf("after dl_ch %d %d\n", dl_ch, *(dl_ch));
printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
......@@ -174,19 +175,17 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
dl_ch,
16);
//printf("after dl_ch %d %d\n", dl_ch, *(dl_ch));
for (int i= 0; i<16; i++)
printf("dl_ch %d %d\n", dl_ch+i, *(dl_ch+i));
//for (int i= 0; i<16; i++)
// printf("dl_ch %d %d\n", dl_ch+i, *(dl_ch+i));
pil+=2;
rxF+=8;
//dl_ch+=6;
printf("after 6 dl_ch %d %d\n", dl_ch, *(dl_ch));
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_CH
printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
printf("pilot 2 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fr,
......@@ -195,33 +194,33 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
16);
pil+=2;
rxF+=8;
dl_ch+=16;
for (pilot_cnt=6; pilot_cnt<((ue->frame_parms.N_RB_DL)-1); pilot_cnt+=6) {
dl_ch+=24;
for (pilot_cnt=3; pilot_cnt<(3*20); pilot_cnt+=3) {
if (pilot_cnt == 30)
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k)];
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_CH
printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,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,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fl,
ch,
dl_ch,
16);
for (int i= 0; i<8; i++)
printf("pilot_cnt %d dl_ch %d %d\n", pilot_cnt, dl_ch+i, *(dl_ch+i));
//for (int i= 0; i<8; i++)
// printf("pilot_cnt %d dl_ch %d %d\n", pilot_cnt, dl_ch+i, *(dl_ch+i));
pil+=2;
rxF+=8;
//dl_ch+=6;
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_CH
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
multadd_real_vector_complex_scalar(fm,
ch,
......@@ -229,13 +228,12 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
16);
pil+=2;
rxF+=8;
//dl_ch+=6;
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
#ifdef DEBUG_CH
printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
// printf("pilot 1 : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
#endif
multadd_real_vector_complex_scalar(fr,
......@@ -244,16 +242,14 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
16);
pil+=2;
rxF+=8;
dl_ch+=16;
dl_ch+=24;
}
}
printf("dl_ch %d\n", dl_ch);
printf("finish dl_ch addr %p\n", dl_ch);
}
......
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
View file @ d92bc77a
......@@ -68,14 +68,12 @@ uint16_t nr_pbch_extract(int **rxdataF,
int32_t *dl_ch0,*dl_ch0_ext,*rxF,*rxF_ext;
int rx_offset = frame_parms->ofdm_symbol_size-10*12;
int ch_offset = frame_parms->N_RB_DL*6-10*12;
int nushiftmod4 = frame_parms->nushift;
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
printf("extract_rbs (nushift %d): rx_offset=%d, ch_offset=%d symbol %d\n",frame_parms->nushift,
(rx_offset + (symbol*(frame_parms->ofdm_symbol_size))),
LTE_CE_OFFSET+ch_offset+(symbol*(frame_parms->ofdm_symbol_size)),symbol);
printf("extract_rbs (nushift %d): rx_offset=%d, symbol %d\n",frame_parms->nushift,
(rx_offset + (symbol*(frame_parms->ofdm_symbol_size))),symbol);
rxF = &rxdataF[aarx][(rx_offset + (symbol*(frame_parms->ofdm_symbol_size)))];
rxF_ext = &rxdataF_ext[aarx][symbol*(20*12)];
......@@ -88,10 +86,12 @@ uint16_t nr_pbch_extract(int **rxdataF,
#endif
for (rb=0; rb<20; rb++) {
if ((symbol==1) || (symbol==3)) {
j=0;
if (rb==10) {
rxF = &rxdataF[aarx][((symbol*(frame_parms->ofdm_symbol_size)))];
}
j=0;
if ((symbol==1) || (symbol==3)) {
for (i=0; i<12; i++) {
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
......@@ -103,7 +103,7 @@ uint16_t nr_pbch_extract(int **rxdataF,
}
rxF+=12;
rxF_ext+=8;
rxF_ext+=9;
} else { //symbol 2
if ((rb < 4) && (rb >15)){
for (i=0; i<12; i++) {
......@@ -118,34 +118,36 @@ uint16_t nr_pbch_extract(int **rxdataF,
}
rxF+=12;
rxF_ext+=8;
rxF_ext+=9;
}
}
for (aatx=0; aatx<4; aatx++) { //frame_parms->nb_antenna_ports_eNB;aatx++) {
for (aatx=0; aatx<frame_parms->nb_antenna_ports_eNB;aatx++) {
if (high_speed_flag == 1)
dl_ch0 = &dl_ch_estimates[(aatx<<1)+aarx][LTE_CE_OFFSET+ch_offset+(symbol*(frame_parms->ofdm_symbol_size))];
dl_ch0 = &dl_ch_estimates[(aatx<<1)+aarx][(symbol*(frame_parms->ofdm_symbol_size))];
else
dl_ch0 = &dl_ch_estimates[(aatx<<1)+aarx][LTE_CE_OFFSET+ch_offset];
dl_ch0 = &dl_ch_estimates[(aatx<<1)+aarx][0];
printf("dl_ch0 addr %p\n",dl_ch0);
dl_ch0_ext = &dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*(20*12)];
for (rb=0; rb<20; rb++) {
j=0;
if ((symbol==1) || (symbol==3)) {
j=0;
for (i=0; i<12; i++) {
for (i=0; i<12; i++) {
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
dl_ch0_ext[j]=dl_ch0[i];
//printf("dl ch0 ext[%d] = %d dl_ch0 [%d]= %d\n",j,dl_ch0_ext[j],i,dl_ch0[i]);
if ((rb==0) && (i<2))
printf("dl ch0 ext[%d] = %d dl_ch0 [%d]= %d\n",j,dl_ch0_ext[j],i,dl_ch0[i]);
j++;
}
}
dl_ch0+=12;
dl_ch0_ext+=8;
dl_ch0_ext+=9;
}
else { //symbol 2
if ((rb < 4) && (rb >15)){
......@@ -160,7 +162,7 @@ uint16_t nr_pbch_extract(int **rxdataF,
}
dl_ch0+=12;
dl_ch0_ext+=8;
dl_ch0_ext+=9;
}
}
......@@ -558,7 +560,7 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
#endif
printf("address dataf %p",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF);
write_output("rxdataF0_pbch.m","rxF0pbch",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF,frame_parms->ofdm_symbol_size*4,2,1);
//write_output("rxdataF0_pbch.m","rxF0pbch",nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF,frame_parms->ofdm_symbol_size*4,2,1);
nr_pbch_extract(nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].rxdataF,
nr_ue_common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[subframe_rx]].dl_ch_estimates[eNB_id],
......
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