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pdsch unscrambling fix

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This commit is contained in:
hongzhi wang
2018-11-16 10:20:11 +01:00
parent 25e9141e0a
commit dd55d0f628
4 changed files with 40 additions and 38 deletions
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openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+6 -4
View File
@@ -168,7 +168,7 @@ NR_UE_DLSCH_t *new_nr_ue_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint32_t Nsoft,uint
}
void nr_dlsch_unscrambling(int16_t* llr,
uint8_t size,
uint32_t size,
uint8_t q,
uint32_t Nid,
uint32_t n_RNTI) {
@@ -538,11 +538,13 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
harq_process->c[r][m]= (uint8_t) llrProcBuf[m];
}
#ifdef DEBUG_DLSCH_DECODING
printf("output decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
//#ifdef DEBUG_DLSCH_DECODING
//printf("output decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
for (int k=0;k<32;k++)
printf("output decoder [%d] = 0x%02x \n", k, harq_process->c[r][k]);
printf("no_iterations_ldpc %d (ret %d)\n",no_iteration_ldpc,ret);
//write_output("dec_output.m","dec0",harq_process->c[0],Kr_bytes,1,4);
#endif
//#endif
#if UE_TIMING_TRACE
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+32 -32
View File
@@ -129,12 +129,13 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
//to be updated higher layer
unsigned short start_rb = 0;
unsigned short nb_rb_pdsch = 50;
int8_t *pllr_symbol_cw0;
int8_t *pllr_symbol_cw1;
int8_t *pllr_symbol_cw0_deint;
int8_t *pllr_symbol_cw1_deint;
int16_t *pllr_symbol_cw0;
int16_t *pllr_symbol_cw1;
int16_t *pllr_symbol_cw0_deint;
int16_t *pllr_symbol_cw1_deint;
uint32_t llr_offset_symbol;
uint16_t bundle_L = 2;
uint8_t l0 =2;
switch (type) {
case SI_PDSCH:
@@ -338,7 +339,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
#endif
if (beamforming_mode==0) { //else if nb_antennas_ports_eNB==1 && beamforming_mode == 0
printf("start nr dlsch extract nr_tti_rx %d thread id %d \n", nr_tti_rx, ue->current_thread_id[nr_tti_rx]);
//printf("start nr dlsch extract nr_tti_rx %d thread id %d \n", nr_tti_rx, ue->current_thread_id[nr_tti_rx]);
nb_rb = nr_dlsch_extract_rbs_single(common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].rxdataF,
common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].dl_ch_estimates[eNB_id],
pdsch_vars[eNB_id]->rxdataF_ext,
@@ -843,7 +844,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
}
#endif
printf("start compute LLR\n");
//printf("start compute LLR\n");
if ((dlsch0_harq->mimo_mode == LARGE_CDD) ||
((dlsch0_harq->mimo_mode >=DUALSTREAM_UNIFORM_PRECODING1) &&
(dlsch0_harq->mimo_mode <=DUALSTREAM_PUSCH_PRECODING))) {
@@ -855,10 +856,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
dl_ch_mag_ptr = pdsch_vars[eNB_id_i]->dl_ch_mag0;
//i_mod should have been passed as a parameter
}
nb_re= (symbol==2)? (nb_rb*6):(nb_rb*12);
pdsch_vars[eNB_id]->llr_offset[symbol] = nb_re*dlsch0_harq->Qm;
#if UE_TIMING_TRACE
stop_meas(&ue->generic_stat_bis[ue->current_thread_id[nr_tti_rx]][slot]);
#if DISABLE_LOG_X
@@ -875,15 +873,18 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
// compute LLRs
// -> // compute @pointer where llrs should filled for this ofdm-symbol
llr_offset_symbol = pdsch_vars[eNB_id]->llr_offset[symbol];
pdsch_vars[eNB_id]->llr_offset[l0-1] = 0;
llr_offset_symbol = pdsch_vars[eNB_id]->llr_offset[symbol-1];
//pllr_symbol_cw0_deint = (int8_t*)pdsch_vars[eNB_id]->llr[0];
//pllr_symbol_cw1_deint = (int8_t*)pdsch_vars[eNB_id]->llr[1];
pllr_symbol_cw0 = (int8_t*)pdsch_vars[eNB_id]->llr[0];
pllr_symbol_cw1 = (int8_t*)pdsch_vars[eNB_id]->llr[1];
pllr_symbol_cw0 = pdsch_vars[eNB_id]->llr[0];
pllr_symbol_cw1 = pdsch_vars[eNB_id]->llr[1];
pllr_symbol_cw0 += llr_offset_symbol;
pllr_symbol_cw1 += llr_offset_symbol;
nb_re= (symbol==l0)? (nb_rb*6):(nb_rb*12);
pdsch_vars[eNB_id]->llr_offset[symbol] = nb_re*dlsch0_harq->Qm + llr_offset_symbol;
/*LOG_I(PHY,"compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %x @LLR Buff(symb) %x\n",
symbol,
nb_rb,dlsch0_harq->Qm,
@@ -892,31 +893,30 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
(int16_t*)pdsch_vars[eNB_id]->llr[0],
pllr_symbol_cw0);*/
printf("compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %p @LLR Buff(symb) %p\n",
/*printf("compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %p @LLR Buff(symb) %p\n",
symbol,
nb_rb,dlsch0_harq->Qm,
pdsch_vars[eNB_id]->llr_length[symbol],
pdsch_vars[eNB_id]->llr_offset[symbol],
(int16_t*)pdsch_vars[eNB_id]->llr[0],
pllr_symbol_cw0);
pdsch_vars[eNB_id]->llr[0],
pllr_symbol_cw0);*/
switch (dlsch0_harq->Qm) {
case 2 :
if ((rx_type==rx_standard) || (codeword_TB1 == -1)) {
nr_dlsch_qpsk_llr(frame_parms,
pdsch_vars[eNB_id]->rxdataF_comp0,
(int16_t*)pllr_symbol_cw0,
pllr_symbol_cw0,
symbol,
first_symbol_flag,
nb_rb,
beamforming_mode);
printf("end llr symol %d\n",symbol);
} else if (codeword_TB0 == -1){
nr_dlsch_qpsk_llr(frame_parms,
pdsch_vars[eNB_id]->rxdataF_comp0,
(int16_t*)pllr_symbol_cw1,
pllr_symbol_cw1,
symbol,
first_symbol_flag,
nb_rb,
@@ -1093,7 +1093,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
} else if (codeword_TB0 == -1){
nr_dlsch_64qam_llr(frame_parms,
pdsch_vars[eNB_id]->rxdataF_comp0,
(int16_t*)pllr_symbol_cw1,
pllr_symbol_cw1,
pdsch_vars[eNB_id]->dl_ch_mag0,
pdsch_vars[eNB_id]->dl_ch_magb0,
symbol,first_symbol_flag,nb_rb,
@@ -1165,7 +1165,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
dl_ch_mag_ptr,
pdsch_vars[eNB_id]->dl_ch_mag0,//i
pdsch_vars[eNB_id]->dl_ch_rho_ext[harq_pid][round],
(int16_t*)pllr_symbol_cw1,
pllr_symbol_cw1,
symbol,first_symbol_flag,nb_rb,
adjust_G2(frame_parms,dlsch1_harq->rb_alloc_even,6,nr_tti_rx,symbol),
pdsch_vars[eNB_id]->llr_offset[symbol]);
@@ -1184,7 +1184,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
if (rx_type==rx_standard) {
nr_dlsch_qpsk_llr(frame_parms,
pdsch_vars[eNB_id]->rxdataF_comp0,
(int16_t*)pllr_symbol_cw0,
pllr_symbol_cw0,
symbol,first_symbol_flag,nb_rb,
beamforming_mode);
}
@@ -1204,7 +1204,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
if (rx_type==rx_standard) {
nr_dlsch_64qam_llr(frame_parms,
pdsch_vars[eNB_id]->rxdataF_comp0,
(int16_t*)pllr_symbol_cw0,
pllr_symbol_cw0,
pdsch_vars[eNB_id]->dl_ch_mag0,
pdsch_vars[eNB_id]->dl_ch_magb0,
symbol,first_symbol_flag,nb_rb,
@@ -1220,7 +1220,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
}
//nr_dlsch_deinterleaving(symbol,bundle_L,(int16_t*)pllr_symbol_cw0,(int16_t*)pllr_symbol_cw0_deint, nb_rb_pdsch);
#if UE_TIMING_TRACE
stop_meas(&ue->generic_stat_bis[ue->current_thread_id[nr_tti_rx]][slot]);
#if DISABLE_LOG_X
@@ -2037,7 +2037,7 @@ 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);
//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
@@ -2062,11 +2062,11 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
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,
/*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);
printf("re count %d\n",rb*12+i);*/
}
dl_ch0_ext+=12;
@@ -2077,10 +2077,10 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
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);
//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]);
//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++;
}
}
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_llr_computation.c
+1 -1
View File
@@ -660,7 +660,7 @@ int nr_dlsch_qpsk_llr(NR_DL_FRAME_PARMS *frame_parms,
*/
for (i=0; i<len; i++) {
*llr32 = *rxF;
printf("dlsch_qpsk_llr %d : (%d,%d)\n",i,((int16_t*)llr32)[0],((int16_t*)llr32)[1]);
//printf("dlsch_qpsk_llr %d : (%d,%d)\n",i,((int16_t*)llr32)[0],((int16_t*)llr32)[1]);
rxF++;
llr32++;
}
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+1 -1
View File
@@ -5579,7 +5579,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
}
}
write_output("rxdataF.m","rxF",ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx>>1]].rxdataF[0],ue->frame_parms.ofdm_symbol_size*2,1,1);
//write_output("rxdataF.m","rxF",ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx>>1]].rxdataF[0],ue->frame_parms.ofdm_symbol_size*2,1,1);
//ue_measurement_procedures(l-1,ue,proc,eNB_id,(nr_tti_rx<<1),abstraction_flag,mode);