Skip to content

O
OpenXG-RAN
Commit 597f2b3e authored by Raphael Defosseux's avatar Raphael Defosseux
Browse files
Options

Merge remote-tracking branch 'origin/NR_new_ul_antennaports' into integration_2021_w32

parents 7b242076 f833ca47
Expand all Show whitespace changes
Inline Side-by-side
Showing with 97 additions and 66 deletions
common/utils/nr/nr_common.c
View file @ 597f2b3e
......@@ -196,6 +196,26 @@ uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx) {
}
}
int get_dmrs_port(int nl, uint16_t dmrs_ports) {
if (dmrs_ports == 0) return 0; // dci 1_0
int p = -1;
int found = -1;
for (int i=0; i<12; i++) { // loop over dmrs ports
if((dmrs_ports>>i)&0x01) { // check if current bit is 1
found++;
if (found == nl) { // found antenna port number corresponding to current layer
p = i;
break;
}
}
}
AssertFatal(p>-1,"No dmrs port corresponding to layer %d found\n",nl);
return p;
}
int get_subband_size(int NPRB,int size) {
// implements table 5.2.1.4-2 from 36.214
//
......
common/utils/nr/nr_common.h
View file @ 597f2b3e
......@@ -62,7 +62,7 @@ uint8_t nr_get_Qm(uint8_t Imcs, uint8_t table_idx);
uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx);
int get_subband_size(int NPRB,int size);
void SLIV2SL(int SLIV,int *S,int *L);
int get_dmrs_port(int nl, uint16_t dmrs_ports);
#define CEILIDIV(a,b) ((a+b-1)/b)
#define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))
......
openair1/PHY/INIT/nr_init.c
View file @ 597f2b3e
......@@ -121,6 +121,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
int i;
int Ptx=cfg->carrier_config.num_tx_ant.value;
int Prx=cfg->carrier_config.num_rx_ant.value;
int max_ul_mimo_layers = 4;
AssertFatal(Ptx>0 && Ptx<9,"Ptx %d is not supported\n",Ptx);
AssertFatal(Prx>0 && Prx<9,"Prx %d is not supported\n",Prx);
......@@ -293,27 +294,30 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
init_prach_list(gNB);
int N_RB_UL = cfg->carrier_config.ul_grid_size[cfg->ssb_config.scs_common.value].value;
int n_buf = Prx*max_ul_mimo_layers;
for (int ULSCH_id=0; ULSCH_id<gNB->number_of_nr_ulsch_max; ULSCH_id++) {
pusch_vars[ULSCH_id] = (NR_gNB_PUSCH *)malloc16_clear( sizeof(NR_gNB_PUSCH) );
pusch_vars[ULSCH_id]->rxdataF_ext = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rxdataF_ext2 = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates_ext = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_ptrs_estimates = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_ptrs_estimates_ext = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ptrs_phase_per_slot = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates_time = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rxdataF_comp = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_mag0 = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_magb0 = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_mag = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_magb = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rho = (int32_t **)malloc16_clear(Prx*sizeof(int32_t*) );
pusch_vars[ULSCH_id]->ul_ch_estimates = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates_ext = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_ptrs_estimates = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_ptrs_estimates_ext = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ptrs_phase_per_slot = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates_time = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rxdataF_comp = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_mag0 = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_magb0 = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_mag = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_magb = (int32_t **)malloc16(n_buf*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rho = (int32_t **)malloc16_clear(n_buf*sizeof(int32_t*) );
for (i=0; i<Prx; i++) {
pusch_vars[ULSCH_id]->rxdataF_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->rxdataF_ext2[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
}
for (i=0; i<n_buf; i++) {
pusch_vars[ULSCH_id]->ul_ch_estimates[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->ul_ch_estimates_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->ul_ch_estimates_time[i] = (int32_t *)malloc16_clear( 2*sizeof(int32_t)*fp->ofdm_symbol_size );
......@@ -339,7 +343,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
{
//NR_DL_FRAME_PARMS* const fp = &gNB->frame_parms;
NR_DL_FRAME_PARMS* const fp = &gNB->frame_parms;
NR_gNB_COMMON *const common_vars = &gNB->common_vars;
NR_gNB_PUSCH **const pusch_vars = gNB->pusch_vars;
/*LTE_eNB_SRS *const srs_vars = gNB->srs_vars;
......@@ -380,9 +384,11 @@ void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
free_and_zero(prach_vars->rxsigF[0]);
*/
for (int ULSCH_id=0; ULSCH_id<gNB->number_of_nr_ulsch_max; ULSCH_id++) {
for (int i = 0; i < 2; i++) {
for (int i = 0; i < fp->nb_antennas_rx; i++) {
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext[i]);
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext2[i]);
}
for (int i = 0; i < 4*fp->nb_antennas_rx; i++) {
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates_ext[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates_time[i]);
......@@ -396,7 +402,6 @@ void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb[i]);
free_and_zero(pusch_vars[ULSCH_id]->rho[i]);
}
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext);
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext2);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates);
......
openair1/PHY/INIT/nr_parms.c
View file @ 597f2b3e
......@@ -198,9 +198,8 @@ int nr_init_frame_parms(nfapi_nr_config_request_scf_t* cfg,
fp->slots_per_frame = 10* fp->slots_per_subframe;
fp->nb_antenna_ports_gNB = 1; // It corresponds to the number of common antenna ports
fp->nb_antennas_rx = cfg->carrier_config.num_rx_ant.value; // It denotes the number of rx antennas at gNB
fp->nb_antennas_tx = cfg->carrier_config.num_tx_ant.value; // It corresponds to pdsch_AntennaPorts
fp->nb_antennas_tx = cfg->carrier_config.num_tx_ant.value; // It corresponds to pdsch_AntennaPorts (logical antenna ports)
fp->symbols_per_slot = ((Ncp == NORMAL)? 14 : 12); // to redefine for different slot formats
fp->samples_per_subframe_wCP = fp->ofdm_symbol_size * fp->symbols_per_slot * fp->slots_per_subframe;
......
openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
View file @ 597f2b3e
......@@ -149,7 +149,7 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int first_symb,int num_symb) {
//
// Todo:
// - averaging IIR filter for RX power and noise
void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq_pid, unsigned char symbol){
void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq_pid, unsigned char symbol, uint8_t nrOfLayers){
int rx_power_tot[NUMBER_OF_NR_ULSCH_MAX];
int rx_power[NUMBER_OF_NR_ULSCH_MAX][NB_ANTENNAS_RX];
......@@ -169,9 +169,9 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq
rx_power[ulsch_id][aarx] = 0;
for (int aatx = 0; aatx < fp->nb_antennas_tx; aatx++){
for (int aatx = 0; aatx < nrOfLayers; aatx++){
meas->rx_spatial_power[ulsch_id][aatx][aarx] = (signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][ch_offset], N_RB_UL * NR_NB_SC_PER_RB));
meas->rx_spatial_power[ulsch_id][aatx][aarx] = (signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aatx*fp->nb_antennas_rx+aarx][ch_offset], N_RB_UL * NR_NB_SC_PER_RB));
if (meas->rx_spatial_power[ulsch_id][aatx][aarx] < 0) {
meas->rx_spatial_power[ulsch_id][aatx][aarx] = 0;
......
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
View file @ 597f2b3e
......@@ -173,7 +173,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
pil = (int16_t *)&pilot[0];
rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+nushift)];
ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset];
ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
re_offset = k;
memset(ul_ch,0,4*(gNB->frame_parms.ofdm_symbol_size));
......@@ -372,7 +372,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
// check if PRB crosses DC and improve estimates around DC
if ((bwp_start_subcarrier < gNB->frame_parms.ofdm_symbol_size) && (bwp_start_subcarrier+nb_rb_pusch*12 >= gNB->frame_parms.ofdm_symbol_size)) {
ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset];
ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
uint16_t idxDC = 2*(gNB->frame_parms.ofdm_symbol_size - bwp_start_subcarrier);
uint16_t idxPil = idxDC/2;
re_offset = k;
......@@ -423,7 +423,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
}
}
#ifdef DEBUG_PUSCH
ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset];
ul_ch = (int16_t *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
for(uint16_t idxP=0; idxP<ceil((float)nb_rb_pusch*12/8); idxP++) {
for(uint8_t idxI=0; idxI<16; idxI+=2) {
printf("%d\t%d\t",ul_ch[idxP*16+idxI],ul_ch[idxP*16+idxI+1]);
......@@ -513,7 +513,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch_r,
ul_ch);
ul_ch_128 = (__m128i *)&ul_ch_estimates[aarx][ch_offset];
ul_ch_128 = (__m128i *)&ul_ch_estimates[p*gNB->frame_parms.nb_antennas_rx+aarx][ch_offset];
ul_ch_128[0] = _mm_slli_epi16 (ul_ch_128[0], 2);
}
......
openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
View file @ 597f2b3e
......@@ -51,7 +51,7 @@ void dump_nr_I0_stats(FILE *fd,PHY_VARS_gNB *gNB);
void gNB_I0_measurements(PHY_VARS_gNB *gNB,int first_symb,int num_symb);
void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq_pid, unsigned char symbol);
void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq_pid, unsigned char symbol, uint8_t nrOfLayers);
int nr_est_timing_advance_pusch(PHY_VARS_gNB* phy_vars_gNB, int UE_id);
......
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @ 597f2b3e
......@@ -278,6 +278,7 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
printf("PDSCH resource mapping started (start SC %d\tstart symbol %d\tN_PRB %d\tnb_re %d,nb_layers %d)\n",
start_sc, rel15->StartSymbolIndex, rel15->rbSize, nb_re,rel15->nrOfLayers);
#endif
for (int ap=0; ap<rel15->nrOfLayers; ap++) {
// DMRS params for this ap
......
openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
View file @ 597f2b3e
......@@ -178,6 +178,7 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext,
int32_t *avg,
uint8_t symbol,
uint32_t len,
uint8_t nrOfLayers,
unsigned short nb_rb);
/** \brief This function performs channel compensation (matched filtering) on the received RBs for this allocation. In addition, it computes the squared-magnitude of the channel with weightings for 16QAM/64QAM detection as well as dual-stream detection (cross-correlation)
......@@ -202,6 +203,7 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext,
unsigned char symbol,
uint8_t is_dmrs_symbol,
unsigned char mod_order,
uint8_t nrOfLayers,
unsigned short nb_rb,
unsigned char output_shift);
......
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