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remove rb_mask_ul from permanent storage for stack local usage

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This commit is contained in:
Laurent THOMAS
2024-06-04 19:08:47 +02:00
parent 8abf975faf
commit f23c91cc5a
6 changed files with 19 additions and 25 deletions
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openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
+4 -7
View File
@@ -114,10 +114,8 @@ void dump_nr_I0_stats(FILE *fd,PHY_VARS_gNB *gNB) {
}
void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb) {
void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_symb, uint32_t rb_mask_ul[14][9])
{
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
NR_gNB_COMMON *common_vars = &gNB->common_vars;
PHY_MEASUREMENTS_gNB *measurements = &gNB->measurements;
@@ -140,8 +138,8 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
for (int s=first_symb;s<(first_symb+num_symb);s++) {
int offset0 = ((slot&3)*frame_parms->symbols_per_slot + s) * frame_parms->ofdm_symbol_size;
for (rb=0; rb<frame_parms->N_RB_UL; rb++) {
if ((gNB->rb_mask_ul[s][rb >> 5] & (1U << (rb & 31))) == 0 && // check that rb was not used in this subframe
!(I0_SKIP_DC && rb == frame_parms->N_RB_UL>>1)) { // skip middle PRB because of artificial noise possibly created by FFT
if ((rb_mask_ul[s][rb >> 5] & (1U << (rb & 31))) == 0 && // check that rb was not used in this subframe
!(I0_SKIP_DC && rb == frame_parms->N_RB_UL >> 1)) { // skip middle PRB because of artificial noise possibly created by FFT
int offset = offset0 + (frame_parms->first_carrier_offset + (rb*12))%frame_parms->ofdm_symbol_size;
nb_symb[rb]++;
for (int aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
@@ -192,7 +190,6 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
}
}
// Scope: This function computes the UL SNR from the UL channel estimates
//
// Todo:
openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
+1 -1
View File
@@ -54,7 +54,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
void dump_nr_I0_stats(FILE *fd,PHY_VARS_gNB *gNB);
void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot,int first_symb,int num_symb);
void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_symb, uint32_t rb_mask_ul[14][9]);
void nr_gnb_measurements(PHY_VARS_gNB *gNB,
NR_gNB_ULSCH_t *ulsch,
openair1/PHY/defs_gNB.h
-3
View File
@@ -622,9 +622,6 @@ typedef struct PHY_VARS_gNB_s {
/// PUSCH DMRS
uint32_t ****nr_gold_pusch_dmrs;
// Mask of occupied RBs, per symbol and PRB
uint32_t rb_mask_ul[14][9];
/// PRS sequence
uint32_t ****nr_gold_prs;
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+11 -11
View File
@@ -541,20 +541,20 @@ void nr_fill_indication(PHY_VARS_gNB *gNB, int frame, int slot_rx, int ULSCH_id,
}
// Function to fill UL RB mask to be used for N0 measurements
void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
static void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, uint32_t rb_mask_ul[14][9])
{
int rb = 0;
int rb2 = 0;
int prbpos = 0;
for (int symbol = 0; symbol < 14; symbol++) {
for (int m = 0; m < 9; m++) {
gNB->rb_mask_ul[symbol][m] = 0;
rb_mask_ul[symbol][m] = 0;
for (int i = 0; i < 32; i++) {
prbpos = (m * 32) + i;
if (prbpos>gNB->frame_parms.N_RB_UL)
break;
gNB->rb_mask_ul[symbol][m] |= (gNB->ulprbbl[prbpos] > 0 ? 1U : 0) << i;
rb_mask_ul[symbol][m] |= (gNB->ulprbbl[prbpos] > 0 ? 1U : 0) << i;
}
}
}
@@ -574,7 +574,7 @@ void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
rb2 = rb + pucch_pdu->bwp_start +
((symbol < pucch_pdu->start_symbol_index+(pucch_pdu->nr_of_symbols>>1)) || (pucch_pdu->freq_hop_flag == 0) ?
pucch_pdu->prb_start : pucch_pdu->second_hop_prb);
gNB->rb_mask_ul[symbol][rb2>>5] |= (((uint32_t)1)<<(rb2&31));
rb_mask_ul[symbol][rb2>>5] |= (((uint32_t)1)<<(rb2&31));
}
}
}
@@ -599,7 +599,7 @@ void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
LOG_D(PHY, "symbol %d Filling rb_mask_ul rb_size %d\n", symbol, ulsch_harq->ulsch_pdu.rb_size);
for (rb = 0; rb < ulsch_harq->ulsch_pdu.rb_size; rb++) {
rb2 = rb + ulsch_harq->ulsch_pdu.rb_start + ulsch_harq->ulsch_pdu.bwp_start;
gNB->rb_mask_ul[symbol][rb2 >> 5] |= 1U << (rb2 & 31);
rb_mask_ul[symbol][rb2 >> 5] |= 1U << (rb2 & 31);
}
}
}
@@ -613,14 +613,13 @@ void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
for(int symbol = 0; symbol<(1<<srs_pdu->num_symbols); symbol++) {
for(rb = srs_pdu->bwp_start; rb < (srs_pdu->bwp_start+srs_pdu->bwp_size); rb++) {
gNB->rb_mask_ul[gNB->frame_parms.symbols_per_slot - srs_pdu->time_start_position - 1 + symbol][rb >> 5] |= 1U
rb_mask_ul[gNB->frame_parms.symbols_per_slot - srs_pdu->time_start_position - 1 + symbol][rb >> 5] |= 1U
<< (rb & 31);
}
}
}
}
}
}
int fill_srs_reported_symbol_list(nfapi_nr_srs_reported_symbol_t *prgs,
@@ -718,8 +717,9 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_gNB_UESPEC_RX,1);
LOG_D(PHY,"phy_procedures_gNB_uespec_RX frame %d, slot %d\n",frame_rx,slot_rx);
fill_ul_rb_mask(gNB, frame_rx, slot_rx);
// Mask of occupied RBs, per symbol and PRB
uint32_t rb_mask_ul[14][9];
fill_ul_rb_mask(gNB, frame_rx, slot_rx, rb_mask_ul);
int first_symb=0,num_symb=0;
if (gNB->frame_parms.frame_type == TDD)
@@ -731,7 +731,7 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
}
else
num_symb = NR_NUMBER_OF_SYMBOLS_PER_SLOT;
gNB_I0_measurements(gNB,slot_rx,first_symb,num_symb);
gNB_I0_measurements(gNB, slot_rx, first_symb, num_symb, rb_mask_ul);
const int soffset = (slot_rx & 3) * gNB->frame_parms.symbols_per_slot * gNB->frame_parms.ofdm_symbol_size;
int offset = 10 * gNB->frame_parms.ofdm_symbol_size + gNB->frame_parms.first_carrier_offset;
openair1/SCHED_NR/sched_nr.h
-1
View File
@@ -32,7 +32,6 @@
#include "PHY/NR_TRANSPORT/nr_dci.h"
#include "phy_frame_config_nr.h"
void fill_ul_rb_mask(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx);
void nr_set_ssb_first_subcarrier(nfapi_nr_config_request_scf_t *cfg, NR_DL_FRAME_PARMS *fp);
void phy_procedures_gNB_TX(processingData_L1tx_t *msgTx, int frame_tx, int slot_tx, int do_meas);
int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx);
openair1/SIMULATION/NR_PHY/pucchsim.c
+3 -2
View File
@@ -629,16 +629,17 @@ int main(int argc, char **argv)
12);
// set UL mask for pucch allocation
uint32_t rb_mask_ul[14][9] = {0};
for (int s=0;s<frame_parms->symbols_per_slot;s++){
if (s>=startingSymbolIndex && s<(startingSymbolIndex+nrofSymbols))
for (int rb=0; rb<N_RB; rb++) {
int rb2 = rb+startingPRB;
gNB->rb_mask_ul[s][rb2>>5] |= (1<<(rb2&31));
rb_mask_ul[s][rb2 >> 5] |= (1 << (rb2 & 31));
}
}
// noise measurement (all PRBs)
gNB_I0_measurements(gNB, nr_slot_tx, 0, gNB->frame_parms.symbols_per_slot);
gNB_I0_measurements(gNB, nr_slot_tx, 0, gNB->frame_parms.symbols_per_slot, rb_mask_ul);
if (n_trials==1) printf("noise rxlev %d (%d dB), rxlev pucch %d dB sigma2 %f dB, SNR %f, TX %f, I0 (pucch) %d, I0 (avg) %d\n",rxlev,dB_fixed(rxlev),dB_fixed(rxlev_pucch),sigma2_dB,SNR,10*log10((double)txlev*UE->frame_parms.ofdm_symbol_size/12),gNB->measurements.n0_subband_power_tot_dB[startingPRB],gNB->measurements.n0_subband_power_avg_dB);
if(format==0){