Skip to content

O
OpenXG-RAN
Commit 7a3dea31 authored by francescomani's avatar francescomani Committed by luis_pereira87
Browse files
Options

fix at UE for DMRS when there is a bwp start offset

parent fc10fd3f
Hide whitespace changes
Inline Side-by-side
Showing with 71 additions and 72 deletions
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @ 7a3dea31
......@@ -142,17 +142,17 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
for (int i=0; i<nb_pdsch_rb*((config_type==NFAPI_NR_DMRS_TYPE1) ? 6:4); i++) {
w = (wf[p-1000][i&1])*(wt[p-1000][lp]);
mod_table = (w==1) ? nr_rx_mod_table : nr_rx_nmod_table;
w = (wf[p-1000][i&1])*(wt[p-1000][lp]);
mod_table = (w==1) ? nr_rx_mod_table : nr_rx_nmod_table;
idx = ((((nr_gold_pdsch[(i<<1)>>5])>>((i<<1)&0x1f))&1)<<1) ^ (((nr_gold_pdsch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1);
((int16_t*)output)[i<<1] = mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1];
((int16_t*)output)[(i<<1)+1] = mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1];
idx = ((((nr_gold_pdsch[(i<<1)>>5])>>((i<<1)&0x1f))&1)<<1) ^ (((nr_gold_pdsch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1);
((int16_t*)output)[i<<1] = mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1];
((int16_t*)output)[(i<<1)+1] = mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1];
#ifdef DEBUG_PDSCH
printf("nr_pdsch_dmrs_rx dmrs config type %d port %d nb_pdsch_rb %d\n", config_type, p, nb_pdsch_rb);
printf("wf[%d] = %d wt[%d]= %d\n", i&1, wf[p-1000][i&1], lp, wt[p-1000][lp]);
printf("i %d idx %d pdsch gold %u b0-b1 %d-%d mod_dmrs %d %d\n", i, idx, nr_gold_pdsch[(i<<1)>>5], (((nr_gold_pdsch[(i<<1)>>5])>>((i<<1)&0x1f))&1),
(((nr_gold_pdsch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1), ((int16_t*)output)[i<<1], ((int16_t*)output)[(i<<1)+1]);
printf("nr_pdsch_dmrs_rx dmrs config type %d port %d nb_pdsch_rb %d\n", config_type, p, nb_pdsch_rb);
printf("wf[%d] = %d wt[%d]= %d\n", i&1, wf[p-1000][i&1], lp, wt[p-1000][lp]);
printf("i %d idx %d pdsch gold %u b0-b1 %d-%d mod_dmrs %d %d\n", i, idx, nr_gold_pdsch[(i<<1)>>5], (((nr_gold_pdsch[(i<<1)>>5])>>((i<<1)&0x1f))&1),
(((nr_gold_pdsch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1), ((int16_t*)output)[i<<1], ((int16_t*)output)[(i<<1)+1]);
#endif
}
} else {
......@@ -167,7 +167,6 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
uint8_t eNB_offset,
unsigned int Ns,
unsigned int *nr_gold_pdcch,
int32_t *output,
......
openair1/PHY/NR_REFSIG/refsig_defs_ue.h
View file @ 7a3dea31
......@@ -39,7 +39,6 @@ int nr_pbch_dmrs_rx(int dmrss,
@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
*/
int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
uint8_t eNB_offset,
unsigned int Ns,
unsigned int *nr_gold_pdcch,
int32_t *output,
......
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ 7a3dea31
......@@ -28,6 +28,7 @@
#include "PHY/NR_REFSIG/dmrs_nr.h"
#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "PHY/NR_TRANSPORT/nr_sch_dmrs.h"
#include "common/utils/nr/nr_common.h"
#include "filt16a_32.h"
#include <openair1/PHY/TOOLS/phy_scope_interface.h>
......@@ -463,16 +464,16 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
return(0);
}
int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t gNB_id,
unsigned char Ns,
unsigned char symbol,
unsigned short scrambling_id,
unsigned short coreset_start_subcarrier,
unsigned short nb_rb_coreset,
int32_t pdcch_est_size,
int32_t pdcch_dl_ch_estimates[][pdcch_est_size])
void nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t gNB_id,
unsigned char Ns,
unsigned char symbol,
fapi_nr_coreset_t *coreset,
uint16_t first_carrier_offset,
uint16_t BWPStart,
int32_t pdcch_est_size,
int32_t pdcch_dl_ch_estimates[][pdcch_est_size])
{
unsigned char aarx;
......@@ -487,6 +488,17 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
symbol_offset = ue->frame_parms.ofdm_symbol_size*symbol;
int nb_rb_coreset=0;
int coreset_start_rb=0;
get_coreset_rballoc(coreset->frequency_domain_resource,&nb_rb_coreset,&coreset_start_rb);
if(nb_rb_coreset==0) return;
#ifdef DEBUG_PDCCH
printf(PHY, "pdcch_channel_estimation: first_carrier_offset %d, BWPStart %d, coreset_start_rb %d, coreset_nb_rb %d\n",
first_carrier_offset, BWPStart, coreset_start_rb, nb_rb_coreset);
#endif
unsigned short coreset_start_subcarrier = first_carrier_offset+(BWPStart + coreset_start_rb)*12;
#ifdef DEBUG_PDCCH
printf("PDCCH Channel Estimation : ThreadId %d, gNB_id %d ch_offset %d, OFDM size %d, Ncp=%d, Ns=%d, symbol %d\n",
......@@ -499,28 +511,32 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
int16_t *fr = filt16a_r1;
#endif
unsigned short scrambling_id = coreset->pdcch_dmrs_scrambling_id;
// checking if re-initialization of scrambling IDs is needed (should be done here but scrambling ID for PDCCH is not taken from RRC)
if (scrambling_id != ue->scramblingID_pdcch){
ue->scramblingID_pdcch = scrambling_id;
nr_gold_pdcch(ue,ue->scramblingID_pdcch);
}
// generate pilot
int pilot[nb_rb_coreset * 3] __attribute__((aligned(16)));
nr_pdcch_dmrs_rx(ue,gNB_id,Ns,ue->nr_gold_pdcch[gNB_id][Ns][symbol], &pilot[0],2000,nb_rb_coreset);
int dmrs_ref = 0;
if (coreset->CoreSetType == NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG)
dmrs_ref = BWPStart;
// generate pilot
int pilot[(nb_rb_coreset + dmrs_ref) * 3] __attribute__((aligned(16)));
nr_pdcch_dmrs_rx(ue,Ns,ue->nr_gold_pdcch[gNB_id][Ns][symbol], &pilot[0],2000,(nb_rb_coreset+dmrs_ref));
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
k = coreset_start_subcarrier;
pil = (int16_t *)&pilot[0];
pil = (int16_t *)&pilot[dmrs_ref*3];
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+1)];
dl_ch = (int16_t *)&pdcch_dl_ch_estimates[aarx][ch_offset];
memset(dl_ch,0,4*(ue->frame_parms.ofdm_symbol_size));
#ifdef DEBUG_PDCCH
printf("pdcch ch est pilot addr %p RB_DL %d\n",&pilot[0], ue->frame_parms.N_RB_DL);
printf("pdcch ch est pilot addr %p RB_DL %d\n",&pilot[dmrs_ref*3], 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);
......@@ -687,8 +703,6 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
//}
}
return(0);
}
int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
......
openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
View file @ 7a3dea31
......@@ -39,16 +39,16 @@
\param Ns slot number (0..19)
\param symbol symbol within slot
*/
int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t gNB_id,
unsigned char Ns,
unsigned char symbol,
unsigned short scrambling_id,
unsigned short coreset_start_subcarrier,
unsigned short nb_rb_coreset,
int32_t pdcch_est_size,
int32_t pdcch_dl_ch_estimates[][pdcch_est_size]);
void nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t gNB_id,
unsigned char Ns,
unsigned char symbol,
fapi_nr_coreset_t *coreset,
uint16_t first_carrier_offset,
uint16_t BWPStart,
int32_t pdcch_est_size,
int32_t pdcch_dl_ch_estimates[][pdcch_est_size]);
int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
......
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
View file @ 7a3dea31
......@@ -532,8 +532,6 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
if (sa==1 && ret==0) {
bool dec = false;
int gnb_id = 0; //FIXME
int coreset_nb_rb=0;
int coreset_start_rb=0;
// Hold the channel estimates in frequency domain.
int32_t pdcch_est_size = ((((fp->symbols_per_slot*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH))+15)/16)*16);
......@@ -543,7 +541,6 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
for(int n_ss = 0; n_ss<phy_pdcch_config.nb_search_space; n_ss++) {
uint8_t nb_symb_pdcch = phy_pdcch_config.pdcch_config[n_ss].coreset.duration;
int start_symb = phy_pdcch_config.pdcch_config[n_ss].coreset.StartSymbolIndex;
get_coreset_rballoc(phy_pdcch_config.pdcch_config[n_ss].coreset.frequency_domain_resource,&coreset_nb_rb,&coreset_start_rb);
for (uint16_t l=start_symb; l<start_symb+nb_symb_pdcch; l++) {
nr_slot_fep_init_sync(ue,
proc,
......@@ -551,17 +548,16 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
phy_pdcch_config.slot,
is*fp->samples_per_frame+phy_pdcch_config.sfn*fp->samples_per_frame+ue->rx_offset);
if (coreset_nb_rb > 0)
nr_pdcch_channel_estimation(ue,
proc,
0,
phy_pdcch_config.slot,
l,
fp->Nid_cell,
fp->first_carrier_offset+(phy_pdcch_config.pdcch_config[n_ss].BWPStart + coreset_start_rb)*12,
coreset_nb_rb,
pdcch_est_size,
pdcch_dl_ch_estimates);
nr_pdcch_channel_estimation(ue,
proc,
0,
phy_pdcch_config.slot,
l,
&phy_pdcch_config.pdcch_config[n_ss].coreset,
fp->first_carrier_offset,
phy_pdcch_config.pdcch_config[n_ss].BWPStart,
pdcch_est_size,
pdcch_dl_ch_estimates);
}
int dci_cnt = nr_ue_pdcch_procedures(gnb_id, ue, proc, pdcch_est_size, pdcch_dl_ch_estimates, &phy_pdcch_config, n_ss);
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ 7a3dea31
......@@ -1445,31 +1445,22 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
int32_t pdcch_est_size = ((((fp->symbols_per_slot*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH))+15)/16)*16);
__attribute__ ((aligned(16))) int32_t pdcch_dl_ch_estimates[4*fp->nb_antennas_rx][pdcch_est_size];
int coreset_nb_rb=0;
int coreset_start_rb=0;
if (phy_pdcch_config->nb_search_space > 0)
get_coreset_rballoc(phy_pdcch_config->pdcch_config[0].coreset.frequency_domain_resource,&coreset_nb_rb,&coreset_start_rb);
uint8_t dci_cnt = 0;
for(int n_ss = 0; n_ss<phy_pdcch_config->nb_search_space; n_ss++) {
for (uint16_t l=0; l<nb_symb_pdcch; l++) {
// note: this only works if RBs for PDCCH are contigous!
LOG_D(PHY, "pdcch_channel_estimation: first_carrier_offset %d, BWPStart %d, coreset_start_rb %d, coreset_nb_rb %d\n",
fp->first_carrier_offset, phy_pdcch_config->pdcch_config[n_ss].BWPStart, coreset_start_rb, coreset_nb_rb);
if (coreset_nb_rb > 0)
nr_pdcch_channel_estimation(ue,
proc,
gNB_id,
nr_slot_rx,
l,
phy_pdcch_config->pdcch_config[n_ss].coreset.pdcch_dmrs_scrambling_id,
fp->first_carrier_offset+(phy_pdcch_config->pdcch_config[n_ss].BWPStart + coreset_start_rb)*12,
coreset_nb_rb,
pdcch_est_size,
pdcch_dl_ch_estimates);
nr_pdcch_channel_estimation(ue,
proc,
gNB_id,
nr_slot_rx,
l,
&phy_pdcch_config->pdcch_config[n_ss].coreset,
fp->first_carrier_offset,
phy_pdcch_config->pdcch_config[n_ss].BWPStart,
pdcch_est_size,
pdcch_dl_ch_estimates);
stop_meas(&ue->ofdm_demod_stats);
......
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