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ue nr sync update

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This commit is contained in:
hongzhi wang
2018-06-13 18:34:22 +02:00
parent e3203bce99
commit 7b5b739e31
3 changed files with 49 additions and 33 deletions
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oaienv
+1 -1
View File
@@ -18,5 +18,5 @@ alias oailte='cd $OPENAIR_TARGETS/RT/USER'
alias oais='cd $OPENAIR_TARGETS/SIMU/USER'
alias oaiex='cd $OPENAIR_TARGETS/SIMU/EXAMPLES'
export IIOD_REMOTE=192.168.121.32
export IIOD_REMOTE=192.168.1.2
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
+5
View File
@@ -64,6 +64,9 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
ue->rx_offset);
#endif
int nb_prefix_samples0 = frame_parms->nb_prefix_samples0;
frame_parms->nb_prefix_samples0 = 0;
//symbol 1
slot_fep_pbch(ue,
1,
@@ -88,6 +91,8 @@ int pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
0,
1);
frame_parms->nb_prefix_samples0 = nb_prefix_samples0;
pbch_decoded = 0;
//for (frame_mod4=0; frame_mod4<4; frame_mod4++) {
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+31 -20
View File
@@ -65,27 +65,29 @@ uint16_t nr_pbch_extract(int **rxdataF,
uint16_t rb;
uint8_t i,j,aarx,aatx;
int *dl_ch0,*dl_ch0_ext,*rxF,*rxF_ext;
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%4;
int nushiftmod4 = frame_parms->nushift;
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
/*
printf("extract_rbs (nushift %d): symbol_mod=%d, rx_offset=%d, ch_offset=%d\n",frame_parms->nushift,symbol_mod,
(rx_offset + (symbol*(frame_parms->ofdm_symbol_size)))*2,
LTE_CE_OFFSET+ch_offset+(symbol_mod*(frame_parms->ofdm_symbol_size)));
*/
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);
rxF = &rxdataF[aarx][(rx_offset + (symbol*(frame_parms->ofdm_symbol_size)))];
rxF_ext = &rxdataF_ext[aarx][symbol*(20*12)];
#ifdef DEBUG_PBCH
int16_t *p = (int16_t *)rxF;
for (int i =0; i<240;i++){
printf("rxF [%d]= %d\n",i,rxF[i]);
printf("pbch pss %d %d @%p\n", p[2*i], p[2*i+1], &p[2*i]);
}
#endif
for (rb=0; rb<20; rb++) {
// skip DC carrier
if (rb==10) {
rxF = &rxdataF[aarx][(1 + (symbol*(frame_parms->ofdm_symbol_size)))];
}
if ((symbol==1) || (symbol==3)) {
j=0;
@@ -94,7 +96,9 @@ uint16_t nr_pbch_extract(int **rxdataF,
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
rxF_ext[j++]=rxF[i];
rxF_ext[j]=rxF[i];
//printf("rxF ext[%d] = %d rxF [%d]= %d\n",j,rxF_ext[j],i,rxF[i]);
j++;
}
}
@@ -106,7 +110,9 @@ uint16_t nr_pbch_extract(int **rxdataF,
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
rxF_ext[j++]=rxF[i];
rxF_ext[j]=rxF[i];
//printf("rxF ext[%d] = %d at %p\n",j,rxF_ext[j],&rxF[i]);
j++;
}
}
}
@@ -125,9 +131,6 @@ uint16_t nr_pbch_extract(int **rxdataF,
dl_ch0_ext = &dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*(20*12)];
for (rb=0; rb<20; rb++) {
// skip DC carrier
// if (rb==3) dl_ch0++;
memcpy(dl_ch0_ext,dl_ch0,12*sizeof(int));
if ((symbol==1) || (symbol==3)) {
j=0;
@@ -135,7 +138,9 @@ uint16_t nr_pbch_extract(int **rxdataF,
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
rxF_ext[j++]=rxF[i];
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]);
j++;
}
}
@@ -148,7 +153,8 @@ uint16_t nr_pbch_extract(int **rxdataF,
if ((i!=nushiftmod4) &&
(i!=(nushiftmod4+4)) &&
(i!=(nushiftmod4+8))) {
dl_ch0_ext[j++]=dl_ch0[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
}
}
@@ -507,7 +513,8 @@ static unsigned char dummy_w_rx[3*3*(16+PBCH_A)];
static int8_t pbch_w_rx[3*3*(16+PBCH_A)],pbch_d_rx[96+(3*(16+PBCH_A))];
uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc,
uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
NR_UE_PBCH *nr_ue_pbch_vars,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t eNB_id,
@@ -547,8 +554,12 @@ uint16_t nr_rx_pbch( PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc,
for (symbol=1; symbol<4; symbol++) {
#ifdef DEBUG_PBCH
msg("[PBCH] starting extract\n");
msg("[PBCH] starting extract ofdm size %d\n",frame_parms->ofdm_symbol_size );
#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);
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],
nr_ue_pbch_vars->rxdataF_ext,