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OpenXG-RAN
Commit 51462360 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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Merge remote-tracking branch 'origin/nr_time_tracking_ssb' into integration-develop-nr-2019w44

parents 3c16c57a 397480c1
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Showing with 123 additions and 113 deletions
executables/nr-ue.c
View file @ 51462360
......@@ -695,12 +695,12 @@ void *UE_thread(void *arg) {
//LOG_I(PHY,"Process slot %d thread Idx %d total gain %d\n", slot_nr, thread_idx, UE->rx_total_gain_dB);
#ifdef OAI_ADRV9371_ZC706
uint32_t total_gain_dB_prev = 0;
/*uint32_t total_gain_dB_prev = 0;
if (total_gain_dB_prev != UE->rx_total_gain_dB) {
total_gain_dB_prev = UE->rx_total_gain_dB;
openair0_cfg[0].rx_gain[0] = UE->rx_total_gain_dB-20;
openair0_cfg[0].rx_gain[0] = UE->rx_total_gain_dB;
UE->rfdevice.trx_set_gains_func(&UE->rfdevice,&openair0_cfg[0]);
}
}*/
#endif
for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
......
openair1/PHY/INIT/nr_init_ue.c
View file @ 51462360
......@@ -877,6 +877,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
pbch_vars[eNB_id]->rxdataF_comp = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
pbch_vars[eNB_id]->dl_ch_estimates = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
pbch_vars[eNB_id]->dl_ch_estimates_ext = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
pbch_vars[eNB_id]->dl_ch_estimates_time = (int32_t **)malloc16_clear( 8*sizeof(int32_t *) );
pbch_vars[eNB_id]->llr = (int16_t *)malloc16_clear( 1920 ); //
prach_vars[eNB_id]->prachF = (int16_t *)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
prach_vars[eNB_id]->prach = (int16_t *)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
......@@ -888,6 +889,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
int idx = (j<<1)+i;
pbch_vars[eNB_id]->rxdataF_comp[idx] = (int32_t *)malloc16_clear( sizeof(int32_t)*20*12*4 );
pbch_vars[eNB_id]->dl_ch_estimates[idx] = (int32_t *)malloc16_clear( sizeof(int32_t)*7*2*sizeof(int)*(fp->ofdm_symbol_size) );
pbch_vars[eNB_id]->dl_ch_estimates_time[idx]= (int32_t *)malloc16_clear( sizeof(int32_t)*7*2*sizeof(int)*(fp->ofdm_symbol_size) );
pbch_vars[eNB_id]->dl_ch_estimates_ext[idx] = (int32_t *)malloc16_clear( sizeof(int32_t)*20*12*4 );
}
}
......
openair1/PHY/NR_UE_ESTIMATION/nr_adjust_synch_ue.c
View file @ 51462360
......@@ -60,8 +60,8 @@ void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
temp = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)ue->pdcch_vars[ue->current_thread_id[subframe]][eNB_id]->dl_ch_estimates_time[aa])[(i<<1)];
Im = ((int16_t*)ue->pdcch_vars[ue->current_thread_id[subframe]][eNB_id]->dl_ch_estimates_time[aa])[1+(i<<1)];
Re = ((int16_t*)ue->pbch_vars[eNB_id]->dl_ch_estimates_time[aa])[(i<<1)];
Im = ((int16_t*)ue->pbch_vars[eNB_id]->dl_ch_estimates_time[aa])[1+(i<<1)];
temp += (Re*Re/2) + (Im*Im/2);
}
......@@ -80,7 +80,7 @@ void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
// do not filter to have proactive timing adjustment
//max_pos_fil = max_pos;
if(subframe == 1)
if(subframe == 0)
{
diff = max_pos_fil - (frame_parms->nb_prefix_samples>>3);
......
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ 51462360
......@@ -21,7 +21,7 @@
#include <string.h>
#include "SCHED_NR_UE/defs.h"
#include "nr_estimation.h"
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
#include "filt16a_32.h"
......@@ -199,19 +199,23 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t eNB_offset,
unsigned char Ns,
unsigned char symbol,
int dmrss,
uint8_t ssb_index,
uint8_t n_hf)
uint8_t eNB_offset,
unsigned char Ns,
unsigned char symbol,
int dmrss,
uint8_t ssb_index,
uint8_t n_hf)
{
int pilot[200] __attribute__((aligned(16)));
unsigned char aarx;
unsigned char aarx,p;
unsigned short k;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*fr;
int ch_offset,symbol_offset;
int slot_pbch;
fapi_nr_pbch_config_t *pbch_config = &ue->nrUE_config.pbch_config;
// initialized to 5ms in nr_init_ue for scenarios where UE is not configured (otherwise acquired by cell configuration from gNB or LTE)
uint8_t ssb_periodicity = 10;// ue->ssb_periodicity;
//uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
......@@ -418,6 +422,59 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
}
void (*idft)(int16_t *,int16_t *, int);
switch (ue->frame_parms.ofdm_symbol_size) {
case 128:
idft = idft128;
break;
case 256:
idft = idft256;
break;
case 512:
idft = idft512;
break;
case 1024:
idft = idft1024;
break;
case 1536:
idft = idft1536;
break;
case 2048:
idft = idft2048;
break;
case 3072:
idft = idft3072;
break;
case 4096:
idft = idft4096;
break;
default:
printf("unsupported ofdm symbol size \n");
assert(0);
}
if( symbol == 3)
{
// do ifft of channel estimate
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++)
for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) {
if (ue->pbch_vars[eNB_offset]->dl_ch_estimates[(p<<1)+aarx])
{
LOG_D(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d ch_offset %d\n", Ns, ue->current_thread_id[Ns], symbol, ch_offset);
idft((int16_t*) &ue->pbch_vars[eNB_offset]->dl_ch_estimates[(p<<1)+aarx][ch_offset],
(int16_t*) ue->pbch_vars[eNB_offset]->dl_ch_estimates_time[(p<<1)+aarx],1);
}
}
}
//}
......@@ -433,7 +490,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned short nb_rb_coreset)
{
int pilot[200] __attribute__((aligned(16)));
unsigned char aarx,p;
unsigned char aarx;
unsigned short k;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*fr;
......@@ -597,60 +654,6 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
//}
}
void (*idft)(int16_t *,int16_t *, int);
switch (ue->frame_parms.ofdm_symbol_size) {
case 128:
idft = idft128;
break;
case 256:
idft = idft256;
break;
case 512:
idft = idft512;
break;
case 1024:
idft = idft1024;
break;
case 1536:
idft = idft1536;
break;
case 2048:
idft = idft2048;
break;
case 3072:
idft = idft3072;
break;
case 4096:
idft = idft4096;
break;
default:
printf("unsupported ofdm symbol size \n");
assert(0);
}
if( (Ns== 1) && (symbol == 0))
{
// do ifft of channel estimate
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++)
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])
{
LOG_D(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],
(int16_t*) ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates_time[(p<<1)+aarx],1);
}
}
}
return(0);
}
......
openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c
View file @ 51462360
......@@ -726,7 +726,7 @@ void nr_ue_measurements(PHY_VARS_NR_UE *ue,
ch_offset = ue->frame_parms.ofdm_symbol_size*2;
printf("testing measurements\n");
//printf("testing measurements\n");
// signal measurements
for (eNB_id=0; eNB_id<ue->n_connected_eNB; eNB_id++) {
......
openair1/PHY/TOOLS/nr_phy_scope.c
View file @ 51462360
......@@ -589,8 +589,8 @@ void phy_scope_nrUE(FD_phy_scope_nrue *form,
time = calloc(samples_per_frame,sizeof(float));
corr = calloc(samples_per_frame,sizeof(float));
chest_t = (int16_t**) phy_vars_ue->pdcch_vars[phy_vars_ue->current_thread_id[subframe]][eNB_id]->dl_ch_estimates_time;
chest_f = (int16_t**) phy_vars_ue->pdcch_vars[phy_vars_ue->current_thread_id[subframe]][eNB_id]->dl_ch_estimates;
chest_t = (int16_t**) phy_vars_ue->pbch_vars[eNB_id]->dl_ch_estimates_time;
chest_f = (int16_t**) phy_vars_ue->pbch_vars[eNB_id]->dl_ch_estimates;
pbch_llr = (int16_t*) phy_vars_ue->pbch_vars[eNB_id]->llr;
pbch_comp = (int16_t*) phy_vars_ue->pbch_vars[eNB_id]->rxdataF_comp[0];
......@@ -697,8 +697,8 @@ void phy_scope_nrUE(FD_phy_scope_nrue *form,
if (chest_f[(atx<<1)+arx] != NULL) {
for (k=0; k<frame_parms->ofdm_symbol_size; k++) {
freq[ind] = (float)ind;
Re = (float)(chest_f[(atx<<1)+arx][(2*k)]);
Im = (float)(chest_f[(atx<<1)+arx][(2*k)+1]);
Re = (float)(chest_f[(atx<<1)+arx][6144+(2*k)]);
Im = (float)(chest_f[(atx<<1)+arx][6144+(2*k)+1]);
chest_f_abs[ind] = (short)10*log10(1.0+((double)Re*Re + (double)Im*Im));
ind++;
......
openair1/PHY/defs_nr_UE.h
View file @ 51462360
......@@ -810,6 +810,10 @@ typedef struct {
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: ? [0..287] (hard coded)
int32_t **dl_ch_estimates_ext;
/// \brief Hold the channel estimates in time domain (used for tracking).
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: samples? [0..2*ofdm_symbol_size[
int32_t **dl_ch_estimates_time;
int log2_maxh;
uint8_t pbch_a[NR_POLAR_PBCH_PAYLOAD_BITS>>3];
uint32_t pbch_a_interleaved;
......
openair1/SCHED_NR_UE/defs.h
View file @ 51462360
......@@ -370,7 +370,7 @@ void nr_compute_srs_pos(lte_frame_type_t frameType,uint16_t isrs,uint16_t *psrsP
void set_tx_harq_id(NR_UE_ULSCH_t *ulsch, int harq_pid, int slot_tx);
int get_tx_harq_id(NR_UE_ULSCH_t *ulsch, int slot_tx);
int is_pbch_in_slot(fapi_nr_pbch_config_t *pbch_config, int frame, int slot, int periodicity, uint16_t slots_per_frame);
/*@}*/
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ 51462360
......@@ -4165,6 +4165,43 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
}
uint16_t coreset_nb_rb = 6 * coreset_count;
uint16_t coreset_start_rb = 6 * coreset_start;
slot_pbch = is_pbch_in_slot(pbch_config, frame_rx, nr_tti_rx, ssb_periodicity, ue->frame_parms.slots_per_frame);
// looking for pbch only in slot where it is supposed to be
if ((ue->decode_MIB == 1) && slot_pbch)
{
LOG_I(PHY," ------ PBCH ChannelComp/LLR: frame.slot %d.%d ------ \n", frame_rx%1024, nr_tti_rx);
for (int i=1; i<4; i++) {
nr_slot_fep(ue,
(ue->symbol_offset+i)%(ue->frame_parms.symbols_per_slot),
nr_tti_rx,
0,
0);
#if UE_TIMING_TRACE
start_meas(&ue->dlsch_channel_estimation_stats);
#endif
nr_pbch_channel_estimation(ue,0,nr_tti_rx,(ue->symbol_offset+i)%(ue->frame_parms.symbols_per_slot),i-1,(pbch_config->ssb_index)&7,pbch_config->half_frame_bit);
#if UE_TIMING_TRACE
stop_meas(&ue->dlsch_channel_estimation_stats);
#endif
}
nr_ue_pbch_procedures(eNB_id,ue,proc,0);
if (ue->no_timing_correction==0) {
LOG_I(PHY,"start adjust sync slot = %d no timing %d\n", nr_tti_rx, ue->no_timing_correction);
nr_adjust_synch_ue(&ue->frame_parms,
ue,
eNB_id,
nr_tti_rx,
0,
16384);
}
}
#ifdef NR_PDCCH_SCHED
nr_gold_pdcch(ue, 0, 2);
......@@ -4204,16 +4241,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
if (dci_cnt > 0) {
LOG_I(PHY,"[UE %d] Frame %d, nr_tti_rx %d: found %d DCIs\n",ue->Mod_id,frame_rx,nr_tti_rx,dci_cnt);
if (ue->no_timing_correction==0) {
LOG_D(PHY,"start adjust sync slot = %d no timing %d\n", nr_tti_rx, ue->no_timing_correction);
nr_adjust_synch_ue(&ue->frame_parms,
ue,
eNB_id,
nr_tti_rx,
0,
16384);
}
} else {
LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: No DCIs found\n",ue->Mod_id,frame_rx,nr_tti_rx);
}
......@@ -4308,34 +4336,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_RA, VCD_FUNCTION_OUT);
}
slot_pbch = is_pbch_in_slot(pbch_config, frame_rx, nr_tti_rx, ssb_periodicity, ue->frame_parms.slots_per_frame);
// looking for pbch only in slot where it is supposed to be
if ((ue->decode_MIB == 1) && slot_pbch)
{
LOG_I(PHY," ------ PBCH ChannelComp/LLR: frame.slot %d.%d ------ \n", frame_rx%1024, nr_tti_rx);
for (int i=1; i<4; i++) {
nr_slot_fep(ue,
(ue->symbol_offset+i)%(ue->frame_parms.symbols_per_slot),
nr_tti_rx,
0,
0);
#if UE_TIMING_TRACE
start_meas(&ue->dlsch_channel_estimation_stats);
#endif
nr_pbch_channel_estimation(ue,0,nr_tti_rx,(ue->symbol_offset+i)%(ue->frame_parms.symbols_per_slot),i-1,(pbch_config->ssb_index)&7,pbch_config->half_frame_bit);
#if UE_TIMING_TRACE
stop_meas(&ue->dlsch_channel_estimation_stats);
#endif
}
nr_ue_pbch_procedures(eNB_id,ue,proc,0);
}
// do procedures for C-RNTI
if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
......
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