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Merge remote-tracking branch 'origin/develop-SRS-Measurements' into integration_2022_wk29

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This commit is contained in:
Robert Schmidt
2022-07-19 18:12:14 +02:00
parent 65c9af7d48 d68f7d6270
commit 6dac7d674c
25 changed files with 619 additions and 299 deletions
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nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
+20 -27
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@@ -1666,41 +1666,34 @@ typedef struct
} nfapi_nr_uci_indication_t;
//3.4.10 srs_indication
//table 3-73
typedef struct
{
uint8_t rb_snr;
}nfapi_nr_srs_indication_reported_symbol_resource_block_t;
/// 5G PHY FAPI Specification: SRS indication - Section 3.4.10, Table 3-73
typedef struct
{
uint16_t num_rbs;
typedef struct {
uint8_t rb_snr; // SNR value in dB. Value: 0 -> 255 representing -64 dB to 63 dB with a step size 0.5 dB, 0xff will be set if this field is invalid.
} nfapi_nr_srs_indication_reported_symbol_resource_block_t;
typedef struct {
uint16_t num_rbs; // Number of PRBs to be reported for this SRS PDU. Value: 0 -> 272.
nfapi_nr_srs_indication_reported_symbol_resource_block_t* rb_list;
}nfapi_nr_srs_indication_reported_symbol_t;
} nfapi_nr_srs_indication_reported_symbol_t;
#define NFAPI_NR_SRS_IND_MAX_PDU 100
typedef struct
{
uint32_t handle;
uint16_t rnti;
uint16_t timing_advance;
uint8_t num_symbols;
uint8_t wide_band_snr;
uint8_t num_reported_symbols;
typedef struct {
uint32_t handle; // The handle passed to the PHY in the the UL_TTI.request SRS PDU.
uint16_t rnti; // The RNTI passed to the PHY in the UL_TTI.request SRS PDU. Value: 1 -> 65535.
uint16_t timing_advance; // Timing advance TA measured for the UE [TS 38.213, Section 4.2]. NTA_new = NTA_old + (TA − 31) * 16 * 64 / (2^u). Value: 0 -> 63. 0xffff should be set if this field is invalid.
uint8_t num_symbols; // Number of symbols for SRS. Value: 1 -> 4. If a PHY does not report for individual symbols then this parameter should be set to 1.
uint8_t wide_band_snr; // SNR value in dB measured within configured SRS bandwidth on each symbol. Value: 0 -> 255 representing -64 dB to 63 dB with a step size 0.5 dB. 0xff will be set if this field is invalid.
uint8_t num_reported_symbols; // Number of symbols reported in this message. This allows PHY to report individual symbols or aggregated symbols where this field will be set to 1. Value: 1 -> 4.
nfapi_nr_srs_indication_reported_symbol_t* reported_symbol_list;
} nfapi_nr_srs_indication_pdu_t;
}nfapi_nr_srs_indication_pdu_t;
typedef struct
{
typedef struct {
nfapi_p7_message_header_t header;
uint16_t sfn;
uint16_t slot;
uint8_t number_of_pdus;
uint16_t sfn; // SFN. Value: 0 -> 1023
uint16_t slot; // Slot. Value: 0 -> 159
uint8_t number_of_pdus; // Number of PDUs included in this message. Value: 0 -> 255
nfapi_nr_srs_indication_pdu_t* pdu_list;
} nfapi_nr_srs_indication_t;
openair1/PHY/INIT/nr_init.c
-30
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@@ -613,21 +613,6 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
for (int id=0; id<NUMBER_OF_NR_SRS_MAX; id++) {
gNB->nr_srs_info[id] = (nr_srs_info_t *)malloc16_clear(sizeof(nr_srs_info_t));
gNB->nr_srs_info[id]->sc_list = (uint16_t *) malloc16_clear(6*fp->N_RB_UL*sizeof(uint16_t));
gNB->nr_srs_info[id]->srs_generated_signal = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
gNB->nr_srs_info[id]->noise_power = (uint32_t*)malloc16_clear(sizeof(uint32_t));
gNB->nr_srs_info[id]->srs_received_signal = (int32_t **)malloc16(Prx*sizeof(int32_t*));
gNB->nr_srs_info[id]->srs_ls_estimated_channel = (int32_t **)malloc16(Prx*sizeof(int32_t*));
gNB->nr_srs_info[id]->srs_estimated_channel_freq = (int32_t **)malloc16(Prx*sizeof(int32_t*));
gNB->nr_srs_info[id]->srs_estimated_channel_time = (int32_t **)malloc16(Prx*sizeof(int32_t*));
gNB->nr_srs_info[id]->srs_estimated_channel_time_shifted = (int32_t **)malloc16(Prx*sizeof(int32_t*));
for (i=0;i<Prx;i++){
gNB->nr_srs_info[id]->srs_received_signal[i] = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
gNB->nr_srs_info[id]->srs_ls_estimated_channel[i] = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
gNB->nr_srs_info[id]->srs_estimated_channel_freq[i] = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
gNB->nr_srs_info[id]->srs_estimated_channel_time[i] = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
gNB->nr_srs_info[id]->srs_estimated_channel_time_shifted[i] = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
}
}
generate_ul_reference_signal_sequences(SHRT_MAX);
@@ -785,21 +770,6 @@ void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
free_and_zero(gNB->nr_csi_rs_info);
for (int id = 0; id < NUMBER_OF_NR_SRS_MAX; id++) {
for (int i = 0; i < Prx; i++) {
free_and_zero(gNB->nr_srs_info[id]->srs_received_signal[i]);
free_and_zero(gNB->nr_srs_info[id]->srs_ls_estimated_channel[i]);
free_and_zero(gNB->nr_srs_info[id]->srs_estimated_channel_freq[i]);
free_and_zero(gNB->nr_srs_info[id]->srs_estimated_channel_time[i]);
free_and_zero(gNB->nr_srs_info[id]->srs_estimated_channel_time_shifted[i]);
}
free_and_zero(gNB->nr_srs_info[id]->sc_list);
free_and_zero(gNB->nr_srs_info[id]->srs_generated_signal);
free_and_zero(gNB->nr_srs_info[id]->noise_power);
free_and_zero(gNB->nr_srs_info[id]->srs_received_signal);
free_and_zero(gNB->nr_srs_info[id]->srs_ls_estimated_channel);
free_and_zero(gNB->nr_srs_info[id]->srs_estimated_channel_freq);
free_and_zero(gNB->nr_srs_info[id]->srs_estimated_channel_time);
free_and_zero(gNB->nr_srs_info[id]->srs_estimated_channel_time_shifted);
free_and_zero(gNB->nr_srs_info[id]);
}
openair1/PHY/INIT/nr_init_ue.c
-31
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@@ -377,22 +377,6 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
}
ue->nr_srs_info = (nr_srs_info_t *)malloc16_clear(sizeof(nr_srs_info_t));
ue->nr_srs_info->sc_list = (uint16_t *) malloc16_clear(6*fp->N_RB_UL*sizeof(uint16_t));
ue->nr_srs_info->srs_generated_signal = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
ue->nr_srs_info->noise_power = (uint32_t*)malloc16_clear(sizeof(uint32_t));
ue->nr_srs_info->srs_received_signal = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_ls_estimated_channel = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_estimated_channel_freq = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_estimated_channel_time = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_estimated_channel_time_shifted = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
for (i=0; i<fp->nb_antennas_rx; i++) {
ue->nr_srs_info->srs_received_signal[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_ls_estimated_channel[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_estimated_channel_freq[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_estimated_channel_time[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_estimated_channel_time_shifted[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
}
// RACH
prach_vars[gNB_id]->prachF = (int16_t *)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
@@ -520,21 +504,6 @@ void term_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
free_and_zero(ue->nr_csi_rs_info->csi_rs_estimated_channel_freq);
free_and_zero(ue->nr_csi_rs_info);
for (int i = 0; i < fp->nb_antennas_rx; i++) {
free_and_zero(ue->nr_srs_info->srs_received_signal[i]);
free_and_zero(ue->nr_srs_info->srs_ls_estimated_channel[i]);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_freq[i]);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time[i]);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time_shifted[i]);
}
free_and_zero(ue->nr_srs_info->sc_list);
free_and_zero(ue->nr_srs_info->srs_generated_signal);
free_and_zero(ue->nr_srs_info->noise_power);
free_and_zero(ue->nr_srs_info->srs_received_signal);
free_and_zero(ue->nr_srs_info->srs_ls_estimated_channel);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_freq);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time_shifted);
free_and_zero(ue->nr_srs_info);
free_and_zero(ue->csiim_vars[gNB_id]);
openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
+43
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@@ -67,6 +67,49 @@ int nr_est_timing_advance_pusch(PHY_VARS_gNB* gNB, int UE_id)
return max_pos - sync_pos;
}
int nr_est_timing_advance_srs(const NR_DL_FRAME_PARMS *frame_parms,
const int32_t srs_estimated_channel_time[][frame_parms->ofdm_symbol_size]) {
int timing_advance = 0;
int max_val = 0;
for (int i = 0; i < frame_parms->ofdm_symbol_size; i++) {
int temp = 0;
for (int aa = 0; aa < frame_parms->nb_antennas_rx; aa++) {
int Re = ((c16_t*)srs_estimated_channel_time[aa])[i].r;
int Im = ((c16_t*)srs_estimated_channel_time[aa])[i].i;
temp += (Re*Re/2) + (Im*Im/2);
}
if (temp > max_val) {
timing_advance = i;
max_val = temp;
}
}
if (timing_advance > frame_parms->ofdm_symbol_size/2) {
timing_advance = timing_advance - frame_parms->ofdm_symbol_size;
}
// Scale the 16 factor in N_TA calculation in 38.213 section 4.2 according to the used FFT size
const uint16_t bw_scaling = frame_parms->ofdm_symbol_size >> 7;
// do some integer rounding to improve TA accuracy
int sync_pos_rounded;
if (timing_advance > 0) {
sync_pos_rounded = timing_advance + (bw_scaling >> 1) - 1;
} else {
sync_pos_rounded = timing_advance - (bw_scaling >> 1) + 1;
}
int timing_advance_update = sync_pos_rounded / bw_scaling;
// put timing advance command in 0..63 range
timing_advance_update += 31;
if (timing_advance_update < 0) timing_advance_update = 0;
if (timing_advance_update > 63) timing_advance_update = 63;
return timing_advance_update;
}
void dump_nr_I0_stats(FILE *fd,PHY_VARS_gNB *gNB) {
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+97 -26
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@@ -949,9 +949,9 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
}//Antenna loop
}
uint32_t calc_power(uint16_t *x, uint32_t size) {
uint64_t sum_x = 0;
uint64_t sum_x2 = 0;
uint32_t calc_power(const int16_t *x, const uint32_t size) {
int64_t sum_x = 0;
int64_t sum_x2 = 0;
for(int k = 0; k<size; k++) {
sum_x = sum_x + x[k];
sum_x2 = sum_x2 + x[k]*x[k];
@@ -959,28 +959,34 @@ uint32_t calc_power(uint16_t *x, uint32_t size) {
return sum_x2/size - (sum_x/size)*(sum_x/size);
}
int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
int frame,
int slot,
nfapi_nr_srs_pdu_t *srs_pdu,
nr_srs_info_t *nr_srs_info,
int32_t *srs_generated_signal,
int32_t **srs_received_signal,
int32_t **srs_estimated_channel_freq,
int32_t **srs_estimated_channel_time,
int32_t **srs_estimated_channel_time_shifted,
uint32_t *noise_power) {
int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB,
const int frame,
const int slot,
const nfapi_nr_srs_pdu_t *srs_pdu,
const nr_srs_info_t *nr_srs_info,
const int32_t *srs_generated_signal,
int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_ls_estimated_channel[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_estimated_channel_freq[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_estimated_channel_time[][gNB->frame_parms.ofdm_symbol_size],
int32_t srs_estimated_channel_time_shifted[][gNB->frame_parms.ofdm_symbol_size],
uint32_t *signal_power,
uint32_t *noise_power_per_rb,
uint32_t *noise_power,
int8_t *snr_per_rb,
int8_t *snr) {
if(nr_srs_info->sc_list_length == 0) {
LOG_E(NR_PHY, "(%d.%d) nr_srs_info was not generated yet!\n", frame, slot);
return -1;
}
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
int32_t **srs_ls_estimated_channel = nr_srs_info->srs_ls_estimated_channel;
const NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
uint16_t noise_real[frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length];
uint16_t noise_imag[frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length];
int16_t ch_real[frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length];
int16_t ch_imag[frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length];
int16_t noise_real[frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length];
int16_t noise_imag[frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length];
int16_t ls_estimated[2];
@@ -993,11 +999,11 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
for(int sc_idx = 0; sc_idx < nr_srs_info->sc_list_length; sc_idx++) {
int16_t generated_real = srs_generated_signal[nr_srs_info->sc_list[sc_idx]] & 0xFFFF;
int16_t generated_imag = (srs_generated_signal[nr_srs_info->sc_list[sc_idx]] >> 16) & 0xFFFF;
int16_t generated_real = ((c16_t*)srs_generated_signal)[nr_srs_info->sc_list[sc_idx]].r;
int16_t generated_imag = ((c16_t*)srs_generated_signal)[nr_srs_info->sc_list[sc_idx]].i;
int16_t received_real = srs_received_signal[ant][nr_srs_info->sc_list[sc_idx]] & 0xFFFF;
int16_t received_imag = (srs_received_signal[ant][nr_srs_info->sc_list[sc_idx]] >> 16) & 0xFFFF;
int16_t received_real = ((c16_t*)srs_received_signal[ant])[nr_srs_info->sc_list[sc_idx]].r;
int16_t received_imag = ((c16_t*)srs_received_signal[ant])[nr_srs_info->sc_list[sc_idx]].i;
// We know that nr_srs_info->srs_generated_signal_bits bits are enough to represent the generated_real and generated_imag.
// So we only need a nr_srs_info->srs_generated_signal_bits shift to ensure that the result fits into 16 bits.
@@ -1068,8 +1074,10 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
// Compute noise
for(int sc_idx = 0; sc_idx < nr_srs_info->sc_list_length; sc_idx++) {
noise_real[ant*nr_srs_info->sc_list_length + sc_idx] = abs((int16_t)((srs_ls_estimated_channel[ant][nr_srs_info->sc_list[sc_idx]]-srs_estimated_channel_freq[ant][nr_srs_info->sc_list[sc_idx]]) & 0xFFFF));
noise_imag[ant*nr_srs_info->sc_list_length + sc_idx] = abs((int16_t)(((srs_ls_estimated_channel[ant][nr_srs_info->sc_list[sc_idx]]-srs_estimated_channel_freq[ant][nr_srs_info->sc_list[sc_idx]]) >> 16) & 0xFFFF));
ch_real[ant*nr_srs_info->sc_list_length + sc_idx] = ((c16_t*)srs_estimated_channel_freq[ant])[nr_srs_info->sc_list[sc_idx]].r;
ch_imag[ant*nr_srs_info->sc_list_length + sc_idx] = ((c16_t*)srs_estimated_channel_freq[ant])[nr_srs_info->sc_list[sc_idx]].i;
noise_real[ant*nr_srs_info->sc_list_length + sc_idx] = abs(((c16_t*)srs_ls_estimated_channel[ant])[nr_srs_info->sc_list[sc_idx]].r - ch_real[ant*nr_srs_info->sc_list_length + sc_idx]);
noise_imag[ant*nr_srs_info->sc_list_length + sc_idx] = abs(((c16_t*)srs_ls_estimated_channel[ant])[nr_srs_info->sc_list[sc_idx]].i - ch_imag[ant*nr_srs_info->sc_list_length + sc_idx]);
}
// Convert to time domain
@@ -1086,11 +1094,74 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
(gNB->frame_parms.ofdm_symbol_size>>1)*sizeof(int32_t));
}
// Compute signal power
*signal_power = calc_power(ch_real,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length)
+ calc_power(ch_imag,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length);
#ifdef SRS_DEBUG
LOG_I(NR_PHY,"signal_power = %u\n", *signal_power);
#endif
if (*signal_power == 0) {
LOG_W(NR_PHY, "Received SRS signal power is 0\n");
return -1;
}
// Compute noise power
const uint8_t signal_power_bits = log2_approx(*signal_power);
const uint8_t factor_bits = signal_power_bits < 32 ? 32 - signal_power_bits : 0; // 32 due to input of dB_fixed(uint32_t x)
const int32_t factor_dB = dB_fixed(1<<factor_bits);
const uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start*12;
const uint8_t srs_symbols_per_rb = srs_pdu->comb_size == 0 ? 6 : 3;
const uint8_t n_noise_estimates = frame_parms->nb_antennas_rx*srs_symbols_per_rb;
uint8_t count_estimates = 0;
uint64_t sum_re = 0;
uint64_t sum_re2 = 0;
uint64_t sum_im = 0;
uint64_t sum_im2 = 0;
for (int sc_idx = 0; sc_idx < nr_srs_info->sc_list_length; sc_idx++) {
int subcarrier0 = nr_srs_info->sc_list[sc_idx]-subcarrier_offset;
if(subcarrier0 < 0) {
subcarrier0 = subcarrier0 + frame_parms->ofdm_symbol_size;
}
int rb = subcarrier0/NR_NB_SC_PER_RB;
for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
sum_re = sum_re + noise_real[ant*nr_srs_info->sc_list_length+sc_idx];
sum_re2 = sum_re2 + noise_real[ant*nr_srs_info->sc_list_length+sc_idx]*noise_real[ant*nr_srs_info->sc_list_length+sc_idx];
sum_im = sum_im + noise_imag[ant*nr_srs_info->sc_list_length+sc_idx];
sum_im2 = sum_im2 + noise_imag[ant*nr_srs_info->sc_list_length+sc_idx]*noise_imag[ant*nr_srs_info->sc_list_length+sc_idx];
count_estimates++;
if (count_estimates == n_noise_estimates) {
noise_power_per_rb[rb] = sum_re2/n_noise_estimates - (sum_re/n_noise_estimates)*(sum_re/n_noise_estimates) +
sum_im2/n_noise_estimates - (sum_im/n_noise_estimates)*(sum_im/n_noise_estimates);
snr_per_rb[rb] = dB_fixed((int32_t)((*signal_power<<factor_bits)/noise_power_per_rb[rb])) - factor_dB;
count_estimates = 0;
sum_re = 0;
sum_re2 = 0;
sum_im = 0;
sum_im2 = 0;
#ifdef SRS_DEBUG
LOG_I(NR_PHY,"noise_power_per_rb[%i] = %i, snr_per_rb[%i] = %i dB\n", rb, noise_power_per_rb[rb], rb, snr_per_rb[rb]);
#endif
}
}
}
*noise_power = calc_power(noise_real,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length)
+ calc_power(noise_imag,frame_parms->nb_antennas_rx*nr_srs_info->sc_list_length);
*snr = dB_fixed((int32_t)((*signal_power<<factor_bits)/(*noise_power))) - factor_dB;
#ifdef SRS_DEBUG
uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start*12;
uint8_t R = srs_pdu->comb_size == 0 ? 2 : 4;
for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
for(int sc_idx = 0; sc_idx < nr_srs_info->sc_list_length; sc_idx++) {
@@ -1118,7 +1189,7 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
}
}
LOG_I(NR_PHY,"noise_power = %u\n", *noise_power);
LOG_I(NR_PHY,"noise_power = %u, SNR = %i dB\n", *noise_power, *snr);
#endif
return 0;
openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
+19 -11
View File
@@ -55,6 +55,9 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq
int nr_est_timing_advance_pusch(PHY_VARS_gNB* phy_vars_gNB, int UE_id);
int nr_est_timing_advance_srs(const NR_DL_FRAME_PARMS *frame_parms,
const int32_t srs_estimated_channel_time[][frame_parms->ofdm_symbol_size]);
void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
NR_DL_FRAME_PARMS *frame_parms,
nfapi_nr_pusch_pdu_t *rel15_ul,
@@ -63,15 +66,20 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
unsigned char symbol,
uint32_t nb_re_pusch);
int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
int frame,
int slot,
nfapi_nr_srs_pdu_t *srs_pdu,
nr_srs_info_t *nr_srs_info,
int32_t *srs_generated_signal,
int32_t **srs_received_signal,
int32_t **srs_estimated_channel_freq,
int32_t **srs_estimated_channel_time,
int32_t **srs_estimated_channel_time_shifted,
uint32_t *noise_power);
int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB,
const int frame,
const int slot,
const nfapi_nr_srs_pdu_t *srs_pdu,
const nr_srs_info_t *nr_srs_info,
const int32_t *srs_generated_signal,
int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_ls_estimated_channel[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_estimated_channel_freq[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_estimated_channel_time[][gNB->frame_parms.ofdm_symbol_size],
int32_t srs_estimated_channel_time_shifted[][gNB->frame_parms.ofdm_symbol_size],
uint32_t *signal_power,
uint32_t *noise_power_per_rb,
uint32_t *noise_power,
int8_t *snr_per_rb,
int8_t *snr);
#endif
openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
+1 -1
View File
@@ -330,7 +330,7 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
int slot,
nfapi_nr_srs_pdu_t *srs_pdu,
nr_srs_info_t *nr_srs_info,
int32_t **srs_received_signal);
int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)]);
void init_prach_list(PHY_VARS_gNB *gNB);
void init_prach_ru_list(RU_t *ru);
openair1/PHY/NR_TRANSPORT/srs_rx.c
+13 -2
View File
@@ -98,7 +98,7 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
int slot,
nfapi_nr_srs_pdu_t *srs_pdu,
nr_srs_info_t *nr_srs_info,
int32_t **srs_received_signal) {
int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)]) {
if(nr_srs_info->sc_list_length == 0) {
LOG_E(NR_PHY, "(%d.%d) nr_srs_info was not generated yet!\n", frame, slot);
@@ -113,6 +113,7 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
uint64_t symbol_offset = (n_symbols+l0)*frame_parms->ofdm_symbol_size;
int32_t *rx_signal;
bool no_srs_signal = true;
for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
memset(srs_received_signal[ant], 0, frame_parms->ofdm_symbol_size*sizeof(int32_t));
@@ -121,6 +122,10 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
for(int sc_idx = 0; sc_idx < nr_srs_info->sc_list_length; sc_idx++) {
srs_received_signal[ant][nr_srs_info->sc_list[sc_idx]] = rx_signal[nr_srs_info->sc_list[sc_idx]];
if (rx_signal[nr_srs_info->sc_list[sc_idx]] != 0) {
no_srs_signal = false;
}
#ifdef SRS_DEBUG
uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start*12;
int subcarrier_log = nr_srs_info->sc_list[sc_idx]-subcarrier_offset;
@@ -140,5 +145,11 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
#endif
}
}
return 0;
if (no_srs_signal) {
LOG_W(NR_PHY, "No SRS signal\n");
return -1;
} else {
return 0;
}
}
openair1/PHY/defs_nr_common.h
+2 -8
View File
@@ -241,15 +241,9 @@ typedef struct {
typedef struct {
uint16_t sc_list_length;
uint16_t *sc_list;
uint16_t sc_list[6*273];
uint8_t srs_generated_signal_bits;
int32_t *srs_generated_signal;
int32_t **srs_received_signal;
int32_t **srs_ls_estimated_channel;
int32_t **srs_estimated_channel_freq;
int32_t **srs_estimated_channel_time;
int32_t **srs_estimated_channel_time_shifted;
uint32_t *noise_power;
int32_t srs_generated_signal[OFDM_SYMBOL_SIZE_SAMPLES_MAX * MAX_NUM_NR_SRS_SYMBOLS];
} nr_srs_info_t;
typedef struct {
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+99 -12
View File
@@ -45,6 +45,7 @@
#include "intertask_interface.h"
//#define DEBUG_RXDATA
//#define SRS_IND_DEBUG
uint8_t SSB_Table[38]={0,2,4,6,8,10,12,14,254,254,16,18,20,22,24,26,28,30,254,254,32,34,36,38,40,42,44,46,254,254,48,50,52,54,56,58,60,62};
@@ -621,6 +622,33 @@ void phy_procedures_gNB_common_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
}
int fill_srs_reported_symbol_list(nfapi_nr_srs_indication_reported_symbol_t *reported_symbol_list,
const nfapi_nr_srs_pdu_t *srs_pdu,
const int N_RB_UL,
const int8_t *snr_per_rb,
const int srs_est) {
reported_symbol_list->num_rbs = srs_bandwidth_config[srs_pdu->config_index][srs_pdu->bandwidth_index][0];
if (!reported_symbol_list->rb_list) {
reported_symbol_list->rb_list = (nfapi_nr_srs_indication_reported_symbol_resource_block_t*) calloc(1, N_RB_UL*sizeof(nfapi_nr_srs_indication_reported_symbol_resource_block_t));
}
for(int rb = 0; rb < reported_symbol_list->num_rbs; rb++) {
if (srs_est<0) {
reported_symbol_list->rb_list[rb].rb_snr = 0xFF;
} else if (snr_per_rb[rb] < -64) {
reported_symbol_list->rb_list[rb].rb_snr = 0;
} else if (snr_per_rb[rb] > 63) {
reported_symbol_list->rb_list[rb].rb_snr = 0xFE;
} else {
reported_symbol_list->rb_list[rb].rb_snr = (snr_per_rb[rb] + 64)<<1;
}
}
return 0;
}
int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
/* those variables to log T_GNB_PHY_PUCCH_PUSCH_IQ only when we try to decode */
int pucch_decode_done = 0;
@@ -822,29 +850,88 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
LOG_D(NR_PHY, "(%d.%d) gNB is waiting for SRS, id = %i\n", frame_rx, slot_rx, i);
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
uint8_t N_symb_SRS = 1<<srs_pdu->num_symbols;
int32_t srs_received_signal[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size*N_symb_SRS];
int32_t srs_ls_estimated_channel[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size*N_symb_SRS];
int32_t srs_estimated_channel_freq[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size*N_symb_SRS];
int32_t srs_estimated_channel_time[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size];
int32_t srs_estimated_channel_time_shifted[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size];
uint32_t noise_power_per_rb[srs_pdu->bwp_size];
int8_t snr_per_rb[srs_pdu->bwp_size];
uint32_t signal_power;
uint32_t noise_power;
int8_t snr;
// At least currently, the configuration is constant, so it is enough to generate the sequence just once.
if(gNB->nr_srs_info[i]->sc_list_length == 0) {
generate_srs_nr(srs_pdu, &gNB->frame_parms, gNB->nr_srs_info[i]->srs_generated_signal, gNB->nr_srs_info[i], AMP, frame_rx, slot_rx);
generate_srs_nr(srs_pdu, frame_parms, gNB->nr_srs_info[i]->srs_generated_signal, gNB->nr_srs_info[i], AMP, frame_rx, slot_rx);
}
nr_get_srs_signal(gNB,frame_rx,slot_rx,srs_pdu, gNB->nr_srs_info[i], gNB->nr_srs_info[i]->srs_received_signal);
const int srs_est = nr_get_srs_signal(gNB,frame_rx,slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal);
nr_srs_channel_estimation(gNB,frame_rx,slot_rx,srs_pdu,
gNB->nr_srs_info[i],
gNB->nr_srs_info[i]->srs_generated_signal,
gNB->nr_srs_info[i]->srs_received_signal,
gNB->nr_srs_info[i]->srs_estimated_channel_freq,
gNB->nr_srs_info[i]->srs_estimated_channel_time,
gNB->nr_srs_info[i]->srs_estimated_channel_time_shifted,
gNB->nr_srs_info[i]->noise_power);
if (srs_est >= 0) {
nr_srs_channel_estimation(gNB,
frame_rx,
slot_rx,
srs_pdu,
gNB->nr_srs_info[i],
gNB->nr_srs_info[i]->srs_generated_signal,
srs_received_signal,
srs_ls_estimated_channel,
srs_estimated_channel_freq,
srs_estimated_channel_time,
srs_estimated_channel_time_shifted,
&signal_power,
noise_power_per_rb,
&noise_power,
snr_per_rb,
&snr);
}
T(T_GNB_PHY_UL_FREQ_CHANNEL_ESTIMATE, T_INT(0), T_INT(srs_pdu->rnti), T_INT(frame_rx), T_INT(0), T_INT(0),
T_BUFFER(gNB->nr_srs_info[i]->srs_estimated_channel_freq[0], gNB->frame_parms.ofdm_symbol_size*sizeof(int32_t)));
T_BUFFER(srs_estimated_channel_freq[0], frame_parms->ofdm_symbol_size*sizeof(int32_t)));
T(T_GNB_PHY_UL_TIME_CHANNEL_ESTIMATE, T_INT(0), T_INT(srs_pdu->rnti), T_INT(frame_rx), T_INT(0), T_INT(0),
T_BUFFER(gNB->nr_srs_info[i]->srs_estimated_channel_time_shifted[0], gNB->frame_parms.ofdm_symbol_size*sizeof(int32_t)));
T_BUFFER(srs_estimated_channel_time_shifted[0], frame_parms->ofdm_symbol_size*sizeof(int32_t)));
const uint16_t num_srs = gNB->UL_INFO.srs_ind.number_of_pdus;
gNB->UL_INFO.srs_ind.pdu_list = &gNB->srs_pdu_list[0];
gNB->UL_INFO.srs_ind.sfn = frame_rx;
gNB->UL_INFO.srs_ind.slot = slot_rx;
gNB->srs_pdu_list[num_srs].handle = srs_pdu->handle;
gNB->srs_pdu_list[num_srs].rnti = srs_pdu->rnti;
gNB->srs_pdu_list[num_srs].timing_advance = srs_est >= 0 ? nr_est_timing_advance_srs(frame_parms,
srs_estimated_channel_time) : 0xFFFF;
gNB->srs_pdu_list[num_srs].num_symbols = 1<<srs_pdu->num_symbols;
gNB->srs_pdu_list[num_srs].wide_band_snr = srs_est >= 0 ? (snr + 64)<<1 : 0xFF; // 0xFF will be set if this field is invalid
gNB->srs_pdu_list[num_srs].num_reported_symbols = 1<<srs_pdu->num_symbols;
if(!gNB->srs_pdu_list[num_srs].reported_symbol_list) {
gNB->srs_pdu_list[num_srs].reported_symbol_list = (nfapi_nr_srs_indication_reported_symbol_t*) calloc(1, gNB->srs_pdu_list[num_srs].num_reported_symbols*sizeof(nfapi_nr_srs_indication_reported_symbol_t));
}
fill_srs_reported_symbol_list(&gNB->srs_pdu_list[num_srs].reported_symbol_list[0],
srs_pdu,
frame_parms->N_RB_UL,
snr_per_rb,
srs_est);
gNB->UL_INFO.srs_ind.number_of_pdus += 1;
#ifdef SRS_IND_DEBUG
LOG_I(NR_PHY, "gNB->UL_INFO.srs_ind.sfn = %i\n", gNB->UL_INFO.srs_ind.sfn);
LOG_I(NR_PHY, "gNB->UL_INFO.srs_ind.slot = %i\n", gNB->UL_INFO.srs_ind.slot);
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].rnti = 0x%04x\n", num_srs, gNB->srs_pdu_list[num_srs].rnti);
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].timing_advance = %i\n", num_srs, gNB->srs_pdu_list[num_srs].timing_advance);
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].num_symbols = %i\n", num_srs, gNB->srs_pdu_list[num_srs].num_symbols);
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].wide_band_snr = %i\n", num_srs, gNB->srs_pdu_list[num_srs].wide_band_snr);
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].num_reported_symbols = %i\n", num_srs, gNB->srs_pdu_list[num_srs].num_reported_symbols);
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].reported_symbol_list[0].num_rbs = %i\n", num_srs, gNB->srs_pdu_list[num_srs].reported_symbol_list[0].num_rbs);
for(int rb = 0; rb < gNB->srs_pdu_list[num_srs].reported_symbol_list[0].num_rbs; rb++) {
LOG_I(NR_PHY, "gNB->srs_pdu_list[%i].reported_symbol_list[0].rb_list[%3i].rb_snr = %i\n",
num_srs, rb, gNB->srs_pdu_list[num_srs].reported_symbol_list[0].rb_list[rb].rb_snr);
}
#endif
srs->active = 0;
}
openair2/GNB_APP/MACRLC_nr_paramdef.h
+14 -11
View File
@@ -58,6 +58,7 @@
#define CONFIG_STRING_MACRLC_ULSCH_MAX_FRAME_INACTIVITY "ulsch_max_frame_inactivity"
#define CONFIG_STRING_MACRLC_PUSCHTARGETSNRX10 "pusch_TargetSNRx10"
#define CONFIG_STRING_MACRLC_PUCCHTARGETSNRX10 "pucch_TargetSNRx10"
#define CONFIG_STRING_MACRLC_UL_PRBBLACK_SNR_THRESHOLD "ul_prbblack_SNR_threshold"
#define CONFIG_STRING_MACRLC_PUCCHFAILURETHRES "pucch_FailureThres"
#define CONFIG_STRING_MACRLC_PUSCHFAILURETHRES "pusch_FailureThres"
#define CONFIG_STRING_MACRLC_DL_BLER_TARGET_UPPER "dl_bler_target_upper"
@@ -96,6 +97,7 @@
{CONFIG_STRING_MACRLC_ULSCH_MAX_FRAME_INACTIVITY, NULL, 0, uptr:NULL, defintval:10, TYPE_UINT, 0}, \
{CONFIG_STRING_MACRLC_PUSCHTARGETSNRX10, NULL, 0, iptr:NULL, defintval:200, TYPE_INT, 0}, \
{CONFIG_STRING_MACRLC_PUCCHTARGETSNRX10, NULL, 0, iptr:NULL, defintval:150, TYPE_INT, 0}, \
{CONFIG_STRING_MACRLC_UL_PRBBLACK_SNR_THRESHOLD, "SNR threshold to decide whether a PRB will be blacklisted or not", 0, iptr:NULL, defintval:10, TYPE_INT, 0}, \
{CONFIG_STRING_MACRLC_PUCCHFAILURETHRES, NULL, 0, iptr:NULL, defintval:10, TYPE_INT, 0}, \
{CONFIG_STRING_MACRLC_PUSCHFAILURETHRES, NULL, 0, iptr:NULL, defintval:10, TYPE_INT, 0}, \
{CONFIG_STRING_MACRLC_DL_BLER_TARGET_UPPER, "Upper threshold of BLER to decrease DL MCS", 0, dblptr:NULL, defdblval:0.15, TYPE_DOUBLE, 0}, \
@@ -128,17 +130,18 @@
#define MACRLC_ULSCH_MAX_FRAME_INACTIVITY 17
#define MACRLC_PUSCHTARGETSNRX10_IDX 18
#define MACRLC_PUCCHTARGETSNRX10_IDX 19
#define MACRLC_PUCCHFAILURETHRES_IDX 20
#define MACRLC_PUSCHFAILURETHRES_IDX 21
#define MACRLC_DL_BLER_TARGET_UPPER_IDX 22
#define MACRLC_DL_BLER_TARGET_LOWER_IDX 23
#define MACRLC_DL_MAX_MCS_IDX 24
#define MACRLC_UL_BLER_TARGET_UPPER_IDX 25
#define MACRLC_UL_BLER_TARGET_LOWER_IDX 26
#define MACRLC_UL_MAX_MCS_IDX 27
#define MACRLC_HARQ_ROUND_MAX_IDX 28
#define MACRLC_MIN_GRANT_PRB_IDX 29
#define MACRLC_MIN_GRANT_MCS_IDX 30
#define MACRLC_UL_PRBBLACK_SNR_THRESHOLD_IDX 20
#define MACRLC_PUCCHFAILURETHRES_IDX 21
#define MACRLC_PUSCHFAILURETHRES_IDX 22
#define MACRLC_DL_BLER_TARGET_UPPER_IDX 23
#define MACRLC_DL_BLER_TARGET_LOWER_IDX 24
#define MACRLC_DL_MAX_MCS_IDX 25
#define MACRLC_UL_BLER_TARGET_UPPER_IDX 26
#define MACRLC_UL_BLER_TARGET_LOWER_IDX 27
#define MACRLC_UL_MAX_MCS_IDX 28
#define MACRLC_HARQ_ROUND_MAX_IDX 29
#define MACRLC_MIN_GRANT_PRB_IDX 30
#define MACRLC_MIN_GRANT_MCS_IDX 31
/*---------------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
openair2/GNB_APP/gnb_config.c
+1
View File
@@ -828,6 +828,7 @@ void RCconfig_nr_macrlc() {
RC.nb_nr_mac_CC[j] = *(MacRLC_ParamList.paramarray[j][MACRLC_CC_IDX].iptr);
RC.nrmac[j]->pusch_target_snrx10 = *(MacRLC_ParamList.paramarray[j][MACRLC_PUSCHTARGETSNRX10_IDX].iptr);
RC.nrmac[j]->pucch_target_snrx10 = *(MacRLC_ParamList.paramarray[j][MACRLC_PUCCHTARGETSNRX10_IDX].iptr);
RC.nrmac[j]->ul_prbblack_SNR_threshold = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_PRBBLACK_SNR_THRESHOLD_IDX].iptr);
RC.nrmac[j]->pucch_failure_thres = *(MacRLC_ParamList.paramarray[j][MACRLC_PUCCHFAILURETHRES_IDX].iptr);
RC.nrmac[j]->pusch_failure_thres = *(MacRLC_ParamList.paramarray[j][MACRLC_PUSCHFAILURETHRES_IDX].iptr);
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
+14 -7
View File
@@ -928,15 +928,23 @@ bool nr_ue_periodic_srs_scheduling(module_id_t mod_id, frame_t frame, slot_t slo
bool srs_scheduled = false;
NR_UE_MAC_INST_t *mac = get_mac_inst(mod_id);
const NR_BWP_Id_t ul_bwp_id = mac->UL_BWP_Id;
NR_SRS_Config_t *srs_config = NULL;
if (mac->cg &&
mac->cg->spCellConfig &&
mac->cg->spCellConfig->spCellConfigDedicated &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) {
if (ul_bwp_id > 0 && mac->ULbwp[ul_bwp_id-1]) {
if (mac->ULbwp[ul_bwp_id-1]->bwp_Dedicated &&
mac->ULbwp[ul_bwp_id-1]->bwp_Dedicated->srs_Config) {
srs_config = mac->ULbwp[ul_bwp_id-1]->bwp_Dedicated->srs_Config->choice.setup;
}
} else if (mac->cg &&
mac->cg->spCellConfig &&
mac->cg->spCellConfig->spCellConfigDedicated &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) {
srs_config = mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config->choice.setup;
} else {
}
if (!srs_config) {
return false;
}
@@ -964,7 +972,6 @@ bool nr_ue_periodic_srs_scheduling(module_id_t mod_id, frame_t frame, slot_t slo
continue;
}
NR_BWP_Id_t ul_bwp_id = mac->UL_BWP_Id;
NR_BWP_t ubwp = ul_bwp_id > 0 && mac->ULbwp[ul_bwp_id-1] ?
mac->ULbwp[ul_bwp_id-1]->bwp_Common->genericParameters :
mac->scc_SIB->uplinkConfigCommon->initialUplinkBWP.genericParameters;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_srs.c
+27 -17
View File
@@ -40,15 +40,16 @@ void nr_configure_srs(nfapi_nr_srs_pdu_t *srs_pdu, int module_id, int CC_id,NR_U
NR_ServingCellConfigCommon_t *scc = nrmac->common_channels[CC_id].ServingCellConfigCommon;
NR_UE_sched_ctrl_t *sched_ctrl = &UE->UE_sched_ctrl;
NR_BWP_t ubwp = sched_ctrl->active_ubwp ?
sched_ctrl->active_ubwp->bwp_Common->genericParameters :
scc->uplinkConfigCommon->initialUplinkBWP->genericParameters;
const NR_SIB1_t *sib1 = nrmac->common_channels[0].sib1 ? nrmac->common_channels[0].sib1->message.choice.c1->choice.systemInformationBlockType1 : NULL;
const NR_BWP_t *genericParameters = get_ul_bwp_genericParameters(sched_ctrl->active_ubwp,
scc,
sib1);
srs_pdu->rnti = UE->rnti;
srs_pdu->handle = 0;
srs_pdu->bwp_size = NRRIV2BW(ubwp.locationAndBandwidth, MAX_BWP_SIZE);;
srs_pdu->bwp_start = NRRIV2PRBOFFSET(ubwp.locationAndBandwidth, MAX_BWP_SIZE);;
srs_pdu->subcarrier_spacing = ubwp.subcarrierSpacing;
srs_pdu->bwp_size = NRRIV2BW(genericParameters->locationAndBandwidth, MAX_BWP_SIZE);;
srs_pdu->bwp_start = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth, MAX_BWP_SIZE);;
srs_pdu->subcarrier_spacing = genericParameters->subcarrierSpacing;
srs_pdu->cyclic_prefix = 0;
srs_pdu->num_ant_ports = srs_resource->nrofSRS_Ports;
srs_pdu->num_symbols = srs_resource->resourceMapping.nrofSymbols;
@@ -122,18 +123,26 @@ void nr_schedule_srs(int module_id, frame_t frame) {
sched_ctrl->sched_srs.slot = -1;
sched_ctrl->sched_srs.srs_scheduled = false;
if(!UE->Msg4_ACKed || sched_ctrl->rrc_processing_timer > 0) {
if((sched_ctrl->ul_failure == 1 && get_softmodem_params()->phy_test==0) ||
sched_ctrl->rrc_processing_timer > 0) {
continue;
}
NR_SRS_Config_t *srs_config = NULL;
if (cg &&
cg->spCellConfig &&
cg->spCellConfig->spCellConfigDedicated &&
cg->spCellConfig->spCellConfigDedicated->uplinkConfig &&
cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) {
if (sched_ctrl->active_ubwp) {
if (sched_ctrl->active_ubwp->bwp_Dedicated &&
sched_ctrl->active_ubwp->bwp_Dedicated->srs_Config) {
srs_config = sched_ctrl->active_ubwp->bwp_Dedicated->srs_Config->choice.setup;
}
} else if (cg &&
cg->spCellConfig &&
cg->spCellConfig->spCellConfigDedicated &&
cg->spCellConfig->spCellConfigDedicated->uplinkConfig &&
cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) {
srs_config = cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config->choice.setup;
} else {
}
if (!srs_config) {
continue;
}
@@ -163,14 +172,15 @@ void nr_schedule_srs(int module_id, frame_t frame) {
continue;
}
NR_BWP_t ubwp = sched_ctrl->active_ubwp ?
sched_ctrl->active_ubwp->bwp_Common->genericParameters :
scc->uplinkConfigCommon->initialUplinkBWP->genericParameters;
const NR_SIB1_t *sib1 = nrmac->common_channels[0].sib1 ? nrmac->common_channels[0].sib1->message.choice.c1->choice.systemInformationBlockType1 : NULL;
const NR_BWP_t *genericParameters = get_ul_bwp_genericParameters(sched_ctrl->active_ubwp,
scc,
sib1);
uint16_t period = srs_period[srs_resource->resourceType.choice.periodic->periodicityAndOffset_p.present];
uint16_t offset = get_nr_srs_offset(srs_resource->resourceType.choice.periodic->periodicityAndOffset_p);
int n_slots_frame = nr_slots_per_frame[ubwp.subcarrierSpacing];
const int n_slots_frame = nr_slots_per_frame[genericParameters->subcarrierSpacing];
// Check if UE will transmit the SRS in this frame
if ( ((frame - offset/n_slots_frame)*n_slots_frame)%period == 0) {
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+52
View File
@@ -38,6 +38,8 @@
#include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
extern void process_CellGroup(NR_CellGroupConfig_t *CellGroup, NR_UE_sched_ctrl_t *sched_ctrl);
//#define SRS_IND_DEBUG
int get_dci_format(NR_UE_sched_ctrl_t *sched_ctrl) {
int dci_format = sched_ctrl->search_space && sched_ctrl->search_space->searchSpaceType &&
@@ -763,6 +765,56 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
}
}
void handle_nr_srs_measurements(const module_id_t module_id,
const frame_t frame,
const sub_frame_t slot,
const rnti_t rnti,
const uint16_t timing_advance,
const uint8_t num_symbols,
const uint8_t wide_band_snr,
const uint8_t num_reported_symbols,
nfapi_nr_srs_indication_reported_symbol_t* reported_symbol_list) {
LOG_D(NR_MAC, "(%d.%d) Received SRS indication for rnti: 0x%04x\n", frame, slot, rnti);
#ifdef SRS_IND_DEBUG
LOG_I(NR_MAC, "frame = %i\n", frame);
LOG_I(NR_MAC, "slot = %i\n", slot);
LOG_I(NR_MAC, "rnti = 0x%04x\n", rnti);
LOG_I(NR_MAC, "timing_advance = %i\n", timing_advance);
LOG_I(NR_MAC, "num_symbols = %i\n", num_symbols);
LOG_I(NR_MAC, "wide_band_snr = %i (%i dB)\n", wide_band_snr, (wide_band_snr>>1)-64);
LOG_I(NR_MAC, "num_reported_symbols = %i\n", num_reported_symbols);
LOG_I(NR_MAC, "reported_symbol_list[0].num_rbs = %i\n", reported_symbol_list[0].num_rbs);
for(int rb = 0; rb < reported_symbol_list[0].num_rbs; rb++) {
LOG_I(NR_MAC, "reported_symbol_list[0].rb_list[%3i].rb_snr = %i (%i dB)\n",
rb, reported_symbol_list[0].rb_list[rb].rb_snr, (reported_symbol_list[0].rb_list[rb].rb_snr>>1)-64);
}
#endif
NR_UE_info_t *UE = find_nr_UE(&RC.nrmac[module_id]->UE_info, rnti);
if (!UE) {
LOG_W(NR_MAC, "Could not find UE for RNTI 0x%04x\n", rnti);
return;
}
gNB_MAC_INST *nr_mac = RC.nrmac[module_id];
NR_mac_stats_t *stats = &UE->mac_stats;
stats->srs_wide_band_snr = (wide_band_snr>>1)-64;
const int ul_prbblack_SNR_threshold = nr_mac->ul_prbblack_SNR_threshold;
uint16_t *ulprbbl = nr_mac->ulprbbl;
memset(ulprbbl, 0, reported_symbol_list[0].num_rbs*sizeof(uint16_t));
for (int rb = 0; rb < reported_symbol_list[0].num_rbs; rb++) {
int snr = (reported_symbol_list[0].rb_list[rb].rb_snr>>1)-64;
if (snr < ul_prbblack_SNR_threshold) {
ulprbbl[rb] = 0x3FFF; // all symbols taken
}
LOG_D(NR_MAC, "ulprbbl[%3i] = 0x%x\n", rb, ulprbbl[rb]);
}
}
long get_K2(NR_ServingCellConfigCommon_t *scc,
NR_ServingCellConfigCommonSIB_t *scc_sib1,
NR_BWP_Uplink_t *ubwp,
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+11 -1
View File
@@ -470,9 +470,19 @@ void handle_nr_ul_harq(const int CC_idP,
sub_frame_t slot,
const nfapi_nr_crc_t *crc_pdu);
void handle_nr_srs_measurements(const module_id_t module_id,
const frame_t frame,
const sub_frame_t slot,
const rnti_t rnti,
const uint16_t timing_advance,
const uint8_t num_symbols,
const uint8_t wide_band_snr,
const uint8_t num_reported_symbols,
nfapi_nr_srs_indication_reported_symbol_t* reported_symbol_list);
int16_t ssb_index_from_prach(module_id_t module_idP,
frame_t frameP,
sub_frame_t slotP,
sub_frame_t slotP,
uint16_t preamble_index,
uint8_t freq_index,
uint8_t symbol);
openair2/LAYER2/NR_MAC_gNB/main.c
+4 -5
View File
@@ -84,23 +84,23 @@ size_t dump_mac_stats(gNB_MAC_INST *gNB, char *output, size_t strlen, bool reset
int num = 1;
const char *begin = output;
const char *end = output + strlen;
pthread_mutex_lock(&gNB->UE_info.mutex);
UE_iterator(gNB->UE_info.list, UE) {
NR_UE_sched_ctrl_t *sched_ctrl = &UE->UE_sched_ctrl;
NR_mac_stats_t *stats = &UE->mac_stats;
const int avg_rsrp = stats->num_rsrp_meas > 0 ? stats->cumul_rsrp / stats->num_rsrp_meas : 0;
output += snprintf(output,
end - output,
"UE RNTI %04x (%d) PH %d dB PCMAX %d dBm, average RSRP %d (%d meas)\n",
"UE RNTI %04x (%d) PH %d dB PCMAX %d dBm, average RSRP %d (%d meas), UL-SNR %d dB\n",
UE->rnti,
num++,
sched_ctrl->ph,
sched_ctrl->pcmax,
avg_rsrp,
stats->num_rsrp_meas);
stats->num_rsrp_meas,
stats->srs_wide_band_snr);
output += snprintf(output,
end - output,
"UE %04x: CQI %d, RI %d, PMI (%d,%d)\n",
@@ -232,7 +232,6 @@ void mac_top_init_gNB(void)
// Initialize Linked-List for Active UEs
for (i = 0; i < RC.nb_nr_macrlc_inst; i++) {
nrmac = RC.nrmac[i];
nrmac->if_inst = NR_IF_Module_init(i);
memset(&nrmac->UE_info, 0, sizeof(nrmac->UE_info));
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+4 -1
View File
@@ -693,6 +693,7 @@ typedef struct NR_mac_stats {
uint32_t pucch0_DTX;
int cumul_rsrp;
uint8_t num_rsrp_meas;
int8_t srs_wide_band_snr;
} NR_mac_stats_t;
typedef struct NR_bler_options {
@@ -759,6 +760,8 @@ typedef struct gNB_MAC_INST_s {
int pusch_target_snrx10;
/// Pucch target SNR
int pucch_target_snrx10;
/// SNR threshold needed to put or not a PRB in the black list
int ul_prbblack_SNR_threshold;
/// PUCCH Failure threshold (compared to consecutive PUCCH DTX)
int pucch_failure_thres;
/// PUSCH Failure threshold (compared to consecutive PUSCH DTX)
@@ -773,7 +776,7 @@ typedef struct gNB_MAC_INST_s {
/// current PDU index (BCH,DLSCH)
uint16_t pdu_index[NFAPI_CC_MAX];
int num_ulprbbl;
uint16_t ulprbbl[275];
uint16_t ulprbbl[MAX_BWP_SIZE];
/// NFAPI Config Request Structure
nfapi_nr_config_request_scf_t config[NFAPI_CC_MAX];
/// NFAPI DL Config Request Structure
openair2/NR_PHY_INTERFACE/NR_IF_Module.c
+36
View File
@@ -215,6 +215,41 @@ void handle_nr_ulsch(NR_UL_IND_t *UL_info)
UL_info->crc_ind.number_crcs = 0;
}
void handle_nr_srs(NR_UL_IND_t *UL_info) {
if(NFAPI_MODE == NFAPI_MODE_PNF) {
if (UL_info->srs_ind.number_of_pdus > 0) {
LOG_D(PHY,"PNF Sending UL_info->srs_ind.number_of_pdus: %d, SFN/SF:%d.%d \n",
UL_info->srs_ind.number_of_pdus, UL_info->frame, UL_info->slot);
oai_nfapi_nr_srs_indication(&UL_info->srs_ind);
UL_info->srs_ind.number_of_pdus = 0;
}
return;
}
const module_id_t module_id = UL_info->module_id;
const frame_t frame = UL_info->srs_ind.sfn;
const sub_frame_t slot = UL_info->srs_ind.slot;
const int num_srs = UL_info->srs_ind.number_of_pdus;
const nfapi_nr_srs_indication_pdu_t *srs_list = UL_info->srs_ind.pdu_list;
for (int i = 0; i < num_srs; i++) {
const nfapi_nr_srs_indication_pdu_t *srs_ind = &srs_list[i];
LOG_D(NR_PHY, "(%d.%d) UL_info->srs_ind.pdu_list[%d].rnti: 0x%04x\n", frame, slot, i, srs_ind->rnti);
handle_nr_srs_measurements(module_id,
frame,
slot,
srs_ind->rnti,
srs_ind->timing_advance,
srs_ind->num_symbols,
srs_ind->wide_band_snr,
srs_ind->num_reported_symbols,
srs_ind->reported_symbol_list);
}
UL_info->srs_ind.number_of_pdus = 0;
}
static void free_unqueued_nfapi_indications(nfapi_nr_rach_indication_t *rach_ind,
nfapi_nr_uci_indication_t *uci_ind,
nfapi_nr_rx_data_indication_t *rx_ind,
@@ -431,6 +466,7 @@ void NR_UL_indication(NR_UL_IND_t *UL_info) {
// clear UL DCI prior to handling ULSCH
mac->UL_dci_req[CC_id].numPdus = 0;
handle_nr_ulsch(UL_info);
handle_nr_srs(UL_info);
if (get_softmodem_params()->emulate_l1) {
free_unqueued_nfapi_indications(rach_ind, uci_ind, rx_ind, crc_ind);
openair2/RRC/NR/MESSAGES/asn1_msg.c
+31 -108
View File
@@ -993,31 +993,6 @@ uint8_t do_RRCReject(uint8_t Mod_id,
return((enc_rval.encoded+7)/8);
}
// TODO: Implement to b_SRS = 1 and b_SRS = 2
long rrc_get_max_nr_csrs(uint8_t max_rbs, long b_SRS) {
if(b_SRS>0) {
LOG_E(NR_RRC,"rrc_get_max_nr_csrs(): Not implemented yet for b_SRS>0\n");
return 0; // This c_srs is always valid
}
const uint16_t m_SRS[64] = { 4, 8, 12, 16, 16, 20, 24, 24, 28, 32, 36, 40, 48, 48, 52, 56, 60, 64, 72, 72, 76, 80, 88,
96, 96, 104, 112, 120, 120, 120, 128, 128, 128, 132, 136, 144, 144, 144, 144, 152, 160,
160, 160, 168, 176, 184, 192, 192, 192, 192, 208, 216, 224, 240, 240, 240, 240, 256, 256,
256, 264, 272, 272, 272 };
long c_srs = 0;
uint16_t m = 4;
for(int c = 1; c<64; c++) {
if(m_SRS[c]>m && m_SRS[c]<max_rbs) {
c_srs = c;
m = m_SRS[c];
}
}
return c_srs;
}
void fill_default_downlinkBWP(NR_BWP_Downlink_t *bwp,
int bwp_loop,
NR_ServingCellConfig_t *servingcellconfigdedicated,
@@ -1471,80 +1446,9 @@ void fill_initial_SpCellConfig(int uid,
pusch_Config->uci_OnPUSCH=NULL;
pusch_Config->tp_pi2BPSK=NULL;
// We are using do_srs = 0 here because the periodic SRS will only be enabled in update_cellGroupConfig() if do_srs == 1
initialUplinkBWP->srs_Config = calloc(1,sizeof(*initialUplinkBWP->srs_Config));
initialUplinkBWP->srs_Config->present = NR_SetupRelease_SRS_Config_PR_setup;
NR_SRS_Config_t *srs_Config = calloc(1,sizeof(*srs_Config));
initialUplinkBWP->srs_Config->choice.setup=srs_Config;
srs_Config->srs_ResourceSetToReleaseList=NULL;
srs_Config->srs_ResourceSetToAddModList=calloc(1,sizeof(*srs_Config->srs_ResourceSetToAddModList));
NR_SRS_ResourceSet_t *srs_resset0=calloc(1,sizeof(*srs_resset0));
srs_resset0->srs_ResourceSetId = 0;
srs_resset0->srs_ResourceIdList=calloc(1,sizeof(*srs_resset0->srs_ResourceIdList));
NR_SRS_ResourceId_t *srs_resset0_id=calloc(1,sizeof(*srs_resset0_id));
*srs_resset0_id=0;
ASN_SEQUENCE_ADD(&srs_resset0->srs_ResourceIdList->list,srs_resset0_id);
srs_Config->srs_ResourceToReleaseList=NULL;
if (configuration->do_SRS) {
srs_resset0->resourceType.present = NR_SRS_ResourceSet__resourceType_PR_periodic;
srs_resset0->resourceType.choice.periodic = calloc(1,sizeof(*srs_resset0->resourceType.choice.periodic));
srs_resset0->resourceType.choice.periodic->associatedCSI_RS = NULL;
} else {
srs_resset0->resourceType.present = NR_SRS_ResourceSet__resourceType_PR_aperiodic;
srs_resset0->resourceType.choice.aperiodic = calloc(1,sizeof(*srs_resset0->resourceType.choice.aperiodic));
srs_resset0->resourceType.choice.aperiodic->aperiodicSRS_ResourceTrigger=1;
srs_resset0->resourceType.choice.aperiodic->csi_RS=NULL;
srs_resset0->resourceType.choice.aperiodic->slotOffset= calloc(1,sizeof(*srs_resset0->resourceType.choice.aperiodic->slotOffset));
*srs_resset0->resourceType.choice.aperiodic->slotOffset=2;
srs_resset0->resourceType.choice.aperiodic->ext1=NULL;
}
srs_resset0->usage=NR_SRS_ResourceSet__usage_codebook;
srs_resset0->alpha = calloc(1,sizeof(*srs_resset0->alpha));
*srs_resset0->alpha = NR_Alpha_alpha1;
srs_resset0->p0=calloc(1,sizeof(*srs_resset0->p0));
*srs_resset0->p0=-80;
srs_resset0->pathlossReferenceRS=NULL;
srs_resset0->srs_PowerControlAdjustmentStates=NULL;
ASN_SEQUENCE_ADD(&srs_Config->srs_ResourceSetToAddModList->list,srs_resset0);
srs_Config->srs_ResourceToReleaseList=NULL;
srs_Config->srs_ResourceToAddModList=calloc(1,sizeof(*srs_Config->srs_ResourceToAddModList));
NR_SRS_Resource_t *srs_res0=calloc(1,sizeof(*srs_res0));
srs_res0->srs_ResourceId=0;
srs_res0->nrofSRS_Ports=NR_SRS_Resource__nrofSRS_Ports_port1;
srs_res0->ptrs_PortIndex=NULL;
srs_res0->transmissionComb.present=NR_SRS_Resource__transmissionComb_PR_n2;
srs_res0->transmissionComb.choice.n2=calloc(1,sizeof(*srs_res0->transmissionComb.choice.n2));
srs_res0->transmissionComb.choice.n2->combOffset_n2=0;
srs_res0->transmissionComb.choice.n2->cyclicShift_n2=0;
srs_res0->resourceMapping.startPosition = 2 + uid%2;
srs_res0->resourceMapping.nrofSymbols=NR_SRS_Resource__resourceMapping__nrofSymbols_n1;
srs_res0->resourceMapping.repetitionFactor=NR_SRS_Resource__resourceMapping__repetitionFactor_n1;
srs_res0->freqDomainPosition=0;
srs_res0->freqDomainShift=0;
srs_res0->freqHopping.b_SRS=0;
srs_res0->freqHopping.b_hop=0;
srs_res0->freqHopping.c_SRS = rrc_get_max_nr_csrs(
NRRIV2BW(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, 275),
srs_res0->freqHopping.b_SRS);
srs_res0->groupOrSequenceHopping=NR_SRS_Resource__groupOrSequenceHopping_neither;
if (configuration->do_SRS) {
srs_res0->resourceType.present= NR_SRS_Resource__resourceType_PR_periodic;
srs_res0->resourceType.choice.periodic=calloc(1,sizeof(*srs_res0->resourceType.choice.periodic));
srs_res0->resourceType.choice.periodic->periodicityAndOffset_p.present = NR_SRS_PeriodicityAndOffset_PR_sl160;
srs_res0->resourceType.choice.periodic->periodicityAndOffset_p.choice.sl160 = 17 + (uid>1)*10; // 17/17/.../147/157 are mixed slots
} else {
srs_res0->resourceType.present= NR_SRS_Resource__resourceType_PR_aperiodic;
srs_res0->resourceType.choice.aperiodic=calloc(1,sizeof(*srs_res0->resourceType.choice.aperiodic));
}
srs_res0->sequenceId=40;
srs_res0->spatialRelationInfo=calloc(1,sizeof(*srs_res0->spatialRelationInfo));
srs_res0->spatialRelationInfo->servingCellId=NULL;
srs_res0->spatialRelationInfo->referenceSignal.present=NR_SRS_SpatialRelationInfo__referenceSignal_PR_csi_RS_Index;
srs_res0->spatialRelationInfo->referenceSignal.choice.csi_RS_Index=0;
ASN_SEQUENCE_ADD(&srs_Config->srs_ResourceToAddModList->list,srs_res0);
config_srs(initialUplinkBWP->srs_Config, scc, uid, 0);
scheduling_request_config(scc, pucch_Config);
@@ -1610,13 +1514,13 @@ void fill_initial_SpCellConfig(int uid,
bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->maxLength=NULL;
bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_AdditionalPosition = calloc(1,sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_AdditionalPosition));
*bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_AdditionalPosition = NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos1;
bwp_Dedicated->pdsch_Config->choice.setup->resourceAllocation = NR_PDSCH_Config__resourceAllocation_resourceAllocationType1;
bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.present = NR_PDSCH_Config__prb_BundlingType_PR_staticBundling;
bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling = calloc(1,sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling));
bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling->bundleSize =
calloc(1,sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling->bundleSize));
*bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling->bundleSize = NR_PDSCH_Config__prb_BundlingType__staticBundling__bundleSize_wideband;
*bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_AdditionalPosition = NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos1;
bwp_Dedicated->pdsch_Config->choice.setup->resourceAllocation = NR_PDSCH_Config__resourceAllocation_resourceAllocationType1;
bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.present = NR_PDSCH_Config__prb_BundlingType_PR_staticBundling;
bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling = calloc(1,sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling));
bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling->bundleSize =
calloc(1,sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling->bundleSize));
*bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.choice.staticBundling->bundleSize = NR_PDSCH_Config__prb_BundlingType__staticBundling__bundleSize_wideband;
bwp_Dedicated->pdsch_Config->choice.setup->tci_StatesToAddModList=calloc(1,sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->tci_StatesToAddModList));
NR_TCI_State_t *tcic;
@@ -1697,7 +1601,6 @@ void fill_initial_SpCellConfig(int uid,
csires0->resourceType = NR_CSI_ResourceConfig__resourceType_periodic;
ASN_SEQUENCE_ADD(&csi_MeasConfig->csi_ResourceConfigToAddModList->list,csires0);
NR_CSI_ResourceConfig_t *csires1 = calloc(1,sizeof(*csires1));
csires1->csi_ResourceConfigId=1;
csires1->csi_RS_ResourceSetList.present = NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB;
@@ -1821,6 +1724,7 @@ void fill_initial_SpCellConfig(int uid,
csirep2->ext1 = NULL;
ASN_SEQUENCE_ADD(&csi_MeasConfig->csi_ReportConfigToAddModList->list,csirep2);
}
pdsch_servingcellconfig->codeBlockGroupTransmission = NULL;
pdsch_servingcellconfig->xOverhead = NULL;
pdsch_servingcellconfig->nrofHARQ_ProcessesForPDSCH = calloc(1, sizeof(*pdsch_servingcellconfig->nrofHARQ_ProcessesForPDSCH));
@@ -1974,6 +1878,7 @@ void fill_mastercellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig, NR_CellGr
}
void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
const int uid,
NR_UE_NR_Capability_t *uecap,
const gNB_RrcConfigurationReq* configuration) {
@@ -1983,8 +1888,25 @@ void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
NR_ServingCellConfigCommon_t *scc = configuration ? configuration->scc : NULL;
// Set DL MCS table
if(scc) {
// SRS configuration
if (configuration->do_SRS &&
SpCellConfig &&
SpCellConfig->spCellConfigDedicated &&
SpCellConfig->spCellConfigDedicated->uplinkConfig &&
SpCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) {
if (!SpCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config) {
SpCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config =
calloc(1,sizeof(*SpCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config));
}
config_srs(SpCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config,
scc,
uid,
configuration->do_SRS);
}
// Set DL MCS table
NR_BWP_DownlinkDedicated_t *bwp_Dedicated = SpCellConfig->spCellConfigDedicated->initialDownlinkBWP;
set_dl_mcs_table(scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.subcarrierSpacing,
configuration->force_256qam_off ? NULL : uecap, SpCellConfig, bwp_Dedicated, scc);
@@ -1996,10 +1918,10 @@ void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
set_dl_mcs_table(scs, configuration->force_256qam_off ? NULL : uecap, SpCellConfig, bwp->bwp_Dedicated, scc);
}
}
}
}
void fill_initial_cellGroupConfig(int uid,
NR_CellGroupConfig_t *cellGroupConfig,
NR_ServingCellConfigCommon_t *scc,
@@ -2438,6 +2360,7 @@ int16_t do_RRCReconfiguration(
if(cellGroupConfig!=NULL){
update_cellGroupConfig(cellGroupConfig,
ue_context_pP->local_uid,
ue_context_pP ? ue_context_pP->ue_context.UE_Capability_nr : NULL,
configuration);
openair2/RRC/NR/MESSAGES/asn1_msg.h
+1
View File
@@ -114,6 +114,7 @@ void fill_initial_cellGroupConfig(int uid,
const gNB_RrcConfigurationReq *configuration);
void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
const int uid,
NR_UE_NR_Capability_t *uecap,
const gNB_RrcConfigurationReq *configuration);
openair2/RRC/NR/nr_rrc_config.c
+124 -1
View File
@@ -138,7 +138,6 @@ void set_csirs_periodicity(NR_NZP_CSI_RS_Resource_t *nzpcsi0, int uid, int nb_sl
}
}
void config_csirs(NR_ServingCellConfigCommon_t *servingcellconfigcommon,
NR_CSI_MeasConfig_t *csi_MeasConfig,
int uid,
@@ -324,6 +323,130 @@ void config_csiim(int do_csirs, int dl_antenna_ports, int curr_bwp,
csi_MeasConfig->csi_IM_ResourceSetToReleaseList = NULL;
}
// TODO: Implement to b_SRS = 1 and b_SRS = 2
long rrc_get_max_nr_csrs(const uint8_t max_rbs, const long b_SRS) {
if(b_SRS>0) {
LOG_E(NR_RRC,"rrc_get_max_nr_csrs(): Not implemented yet for b_SRS>0\n");
return 0; // This c_srs is always valid
}
const uint16_t m_SRS[64] = { 4, 8, 12, 16, 16, 20, 24, 24, 28, 32, 36, 40, 48, 48, 52, 56, 60, 64, 72, 72, 76, 80, 88,
96, 96, 104, 112, 120, 120, 120, 128, 128, 128, 132, 136, 144, 144, 144, 144, 152, 160,
160, 160, 168, 176, 184, 192, 192, 192, 192, 208, 216, 224, 240, 240, 240, 240, 256, 256,
256, 264, 272, 272, 272 };
long c_srs = 0;
uint16_t m = 4;
for(int c = 1; c<64; c++) {
if(m_SRS[c]>m && m_SRS[c]<max_rbs) {
c_srs = c;
m = m_SRS[c];
}
}
return c_srs;
}
void config_srs(NR_SetupRelease_SRS_Config_t *setup_release_srs_Config,
const NR_ServingCellConfigCommon_t *servingcellconfigcommon,
const int uid,
const int do_srs) {
setup_release_srs_Config->present = NR_SetupRelease_SRS_Config_PR_setup;
NR_SRS_Config_t *srs_Config;
if (setup_release_srs_Config->choice.setup) {
srs_Config = setup_release_srs_Config->choice.setup;
if (srs_Config->srs_ResourceSetToReleaseList) {
free(srs_Config->srs_ResourceSetToReleaseList);
}
if (srs_Config->srs_ResourceSetToAddModList) {
free(srs_Config->srs_ResourceSetToAddModList);
}
if (srs_Config->srs_ResourceToReleaseList) {
free(srs_Config->srs_ResourceToReleaseList);
}
if (srs_Config->srs_ResourceToAddModList) {
free(srs_Config->srs_ResourceToAddModList);
}
free(srs_Config);
}
setup_release_srs_Config->choice.setup = calloc(1,sizeof(*setup_release_srs_Config->choice.setup));
srs_Config = setup_release_srs_Config->choice.setup;
srs_Config->srs_ResourceSetToReleaseList = NULL;
srs_Config->srs_ResourceSetToAddModList = calloc(1,sizeof(*srs_Config->srs_ResourceSetToAddModList));
NR_SRS_ResourceSet_t *srs_resset0 = calloc(1,sizeof(*srs_resset0));
srs_resset0->srs_ResourceSetId = 0;
srs_resset0->srs_ResourceIdList = calloc(1,sizeof(*srs_resset0->srs_ResourceIdList));
NR_SRS_ResourceId_t *srs_resset0_id = calloc(1,sizeof(*srs_resset0_id));
*srs_resset0_id = 0;
ASN_SEQUENCE_ADD(&srs_resset0->srs_ResourceIdList->list, srs_resset0_id);
srs_Config->srs_ResourceToReleaseList=NULL;
if (do_srs) {
srs_resset0->resourceType.present = NR_SRS_ResourceSet__resourceType_PR_periodic;
srs_resset0->resourceType.choice.periodic = calloc(1,sizeof(*srs_resset0->resourceType.choice.periodic));
srs_resset0->resourceType.choice.periodic->associatedCSI_RS = NULL;
} else {
srs_resset0->resourceType.present = NR_SRS_ResourceSet__resourceType_PR_aperiodic;
srs_resset0->resourceType.choice.aperiodic = calloc(1,sizeof(*srs_resset0->resourceType.choice.aperiodic));
srs_resset0->resourceType.choice.aperiodic->aperiodicSRS_ResourceTrigger=1;
srs_resset0->resourceType.choice.aperiodic->csi_RS=NULL;
srs_resset0->resourceType.choice.aperiodic->slotOffset = calloc(1,sizeof(*srs_resset0->resourceType.choice.aperiodic->slotOffset));
*srs_resset0->resourceType.choice.aperiodic->slotOffset = 2;
srs_resset0->resourceType.choice.aperiodic->ext1 = NULL;
}
srs_resset0->usage=NR_SRS_ResourceSet__usage_codebook;
srs_resset0->alpha = calloc(1,sizeof(*srs_resset0->alpha));
*srs_resset0->alpha = NR_Alpha_alpha1;
srs_resset0->p0 = calloc(1,sizeof(*srs_resset0->p0));
*srs_resset0->p0 =-80;
srs_resset0->pathlossReferenceRS = NULL;
srs_resset0->srs_PowerControlAdjustmentStates = NULL;
ASN_SEQUENCE_ADD(&srs_Config->srs_ResourceSetToAddModList->list,srs_resset0);
srs_Config->srs_ResourceToReleaseList = NULL;
srs_Config->srs_ResourceToAddModList = calloc(1,sizeof(*srs_Config->srs_ResourceToAddModList));
NR_SRS_Resource_t *srs_res0=calloc(1,sizeof(*srs_res0));
srs_res0->srs_ResourceId = 0;
srs_res0->nrofSRS_Ports = NR_SRS_Resource__nrofSRS_Ports_port1;
srs_res0->ptrs_PortIndex = NULL;
srs_res0->transmissionComb.present = NR_SRS_Resource__transmissionComb_PR_n2;
srs_res0->transmissionComb.choice.n2 = calloc(1,sizeof(*srs_res0->transmissionComb.choice.n2));
srs_res0->transmissionComb.choice.n2->combOffset_n2 = 0;
srs_res0->transmissionComb.choice.n2->cyclicShift_n2 = 0;
srs_res0->resourceMapping.startPosition = 2 + uid%2;
srs_res0->resourceMapping.nrofSymbols = NR_SRS_Resource__resourceMapping__nrofSymbols_n1;
srs_res0->resourceMapping.repetitionFactor = NR_SRS_Resource__resourceMapping__repetitionFactor_n1;
srs_res0->freqDomainPosition = 0;
srs_res0->freqDomainShift = 0;
srs_res0->freqHopping.b_SRS = 0;
srs_res0->freqHopping.b_hop = 0;
srs_res0->freqHopping.c_SRS = servingcellconfigcommon ?
rrc_get_max_nr_csrs(
NRRIV2BW(servingcellconfigcommon->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, 275),
srs_res0->freqHopping.b_SRS) : 0;
srs_res0->groupOrSequenceHopping = NR_SRS_Resource__groupOrSequenceHopping_neither;
if (do_srs) {
srs_res0->resourceType.present = NR_SRS_Resource__resourceType_PR_periodic;
srs_res0->resourceType.choice.periodic = calloc(1,sizeof(*srs_res0->resourceType.choice.periodic));
srs_res0->resourceType.choice.periodic->periodicityAndOffset_p.present = NR_SRS_PeriodicityAndOffset_PR_sl160;
srs_res0->resourceType.choice.periodic->periodicityAndOffset_p.choice.sl160 = 17 + (uid>1)*10; // 17/17/.../147/157 are mixed slots
} else {
srs_res0->resourceType.present = NR_SRS_Resource__resourceType_PR_aperiodic;
srs_res0->resourceType.choice.aperiodic = calloc(1,sizeof(*srs_res0->resourceType.choice.aperiodic));
}
srs_res0->sequenceId = 40;
srs_res0->spatialRelationInfo = calloc(1,sizeof(*srs_res0->spatialRelationInfo));
srs_res0->spatialRelationInfo->servingCellId = NULL;
srs_res0->spatialRelationInfo->referenceSignal.present = NR_SRS_SpatialRelationInfo__referenceSignal_PR_csi_RS_Index;
srs_res0->spatialRelationInfo->referenceSignal.choice.csi_RS_Index = 0;
ASN_SEQUENCE_ADD(&srs_Config->srs_ResourceToAddModList->list,srs_res0);
}
void prepare_sim_uecap(NR_UE_NR_Capability_t *cap,
NR_ServingCellConfigCommon_t *scc,
openair2/RRC/NR/nr_rrc_config.h
+4
View File
@@ -134,6 +134,10 @@ void config_csirs(NR_ServingCellConfigCommon_t *servingcellconfigcommon,
int do_csirs);
void config_csiim(int do_csirs, int dl_antenna_ports, int curr_bwp,
NR_CSI_MeasConfig_t *csi_MeasConfig);
void config_srs(NR_SetupRelease_SRS_Config_t *setup_release_srs_Config,
const NR_ServingCellConfigCommon_t *servingcellconfigcommon,
const int uid,
const int do_srs);
void set_dl_mcs_table(int scs, NR_UE_NR_Capability_t *cap,
NR_SpCellConfig_t *SpCellConfig,
NR_BWP_DownlinkDedicated_t *bwp_Dedicated,
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.2x2.usrpn300.conf
+1
View File
@@ -265,6 +265,7 @@ MACRLCs = (
tr_n_preference = "local_RRC";
#pusch_TargetSNRx10 = 150;
#pucch_TargetSNRx10 = 200;
ul_prbblack_SNR_threshold = 10;
ulsch_max_frame_inactivity = 0;
}
);
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf
+1
View File
@@ -263,6 +263,7 @@ MACRLCs = (
tr_n_preference = "local_RRC";
pusch_TargetSNRx10 = 150;
pucch_TargetSNRx10 = 200;
ul_prbblack_SNR_threshold = 10;
ulsch_max_frame_inactivity = 0;
}
);