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SRS-based noise calculation using holes

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This commit is contained in:
rmagueta
2025-10-02 11:43:07 +01:00
parent 55a56002de
commit 799934024e
8 changed files with 124 additions and 126 deletions
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openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+70 -92
View File
@@ -777,6 +777,7 @@ int nr_srs_channel_estimation(
const nr_srs_info_t *nr_srs_info,
const c16_t **srs_generated_signal,
c16_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_received_noise[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_estimated_channel_freq[][1 << srs_pdu->num_ant_ports]
[gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_estimated_channel_time[][1 << srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
@@ -801,16 +802,6 @@ int nr_srs_channel_estimation(
}
c16_t srs_ls_estimated_channel[frame_parms->ofdm_symbol_size * (1 << srs_pdu->num_symbols)];
uint32_t noise_power_per_rb[srs_pdu->bwp_size];
const uint32_t arr_len = frame_parms->nb_antennas_rx * N_ap * M_sc_b_SRS;
c16_t ch[arr_len];
memset(ch, 0, arr_len * sizeof(c16_t));
c16_t noise[arr_len];
memset(noise, 0, arr_len * sizeof(c16_t));
uint8_t mem_offset = ((16 - ((intptr_t)&srs_estimated_channel_freq[0][0][subcarrier_offset + nr_srs_info->k_0_p[0][0]])) & 0xF)
>> 2; // >> 2 <=> /sizeof(int32_t)
@@ -831,7 +822,7 @@ int nr_srs_channel_estimation(
#endif
uint16_t subcarrier = subcarrier_offset + nr_srs_info->k_0_p[p_index][0];
if (subcarrier > frame_parms->ofdm_symbol_size) {
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier -= frame_parms->ofdm_symbol_size;
}
@@ -843,19 +834,12 @@ int nr_srs_channel_estimation(
uint16_t subcarrier_cdm = subcarrier;
for (int cdm_idx = 0; cdm_idx < fd_cdm; cdm_idx++) {
int16_t generated_real = srs_generated_signal[p_index][subcarrier_cdm].r;
int16_t generated_imag = srs_generated_signal[p_index][subcarrier_cdm].i;
int16_t received_real = srs_received_signal[ant][subcarrier_cdm].r;
int16_t received_imag = srs_received_signal[ant][subcarrier_cdm].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
c16_t generated_srs = srs_generated_signal[p_index][subcarrier_cdm];
c16_t received_srs = srs_received_signal[ant][subcarrier_cdm];
// We know that nr_srs_info->srs_generated_signal_bits bits are enough to represent the real and imaginary parts of
// generated_srs. So we only need a nr_srs_info->srs_generated_signal_bits shift to ensure that the result fits into 16
// bits.
ls_estimated.r += (int16_t)(((int32_t)generated_real * received_real + (int32_t)generated_imag * received_imag)
>> nr_srs_info->srs_generated_signal_bits);
ls_estimated.i += (int16_t)(((int32_t)generated_real * received_imag - (int32_t)generated_imag * received_real)
>> nr_srs_info->srs_generated_signal_bits);
ls_estimated = c16maddConjShift(generated_srs, received_srs, ls_estimated, nr_srs_info->srs_generated_signal_bits);
// Subcarrier increment
subcarrier_cdm += K_TC;
@@ -934,7 +918,7 @@ int nr_srs_channel_estimation(
// Subcarrier increment
subcarrier += K_TC;
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier = subcarrier - frame_parms->ofdm_symbol_size;
subcarrier -= frame_parms->ofdm_symbol_size;
}
} // for (int k = 0; k < M_sc_b_SRS; k++)
@@ -943,25 +927,9 @@ int nr_srs_channel_estimation(
&srs_est[mem_offset],
(frame_parms->ofdm_symbol_size * (1 << srs_pdu->num_symbols)) * sizeof(c16_t));
// Compute noise
subcarrier = subcarrier_offset + nr_srs_info->k_0_p[p_index][0];
if (subcarrier > frame_parms->ofdm_symbol_size) {
subcarrier -= frame_parms->ofdm_symbol_size;
}
uint16_t base_idx = ant * N_ap * M_sc_b_SRS + p_index * M_sc_b_SRS;
for (int k = 0; k < M_sc_b_SRS; k++) {
ch[base_idx + k] = srs_estimated_channel_freq[ant][p_index][subcarrier];
noise[base_idx + k].r = abs(srs_ls_estimated_channel[subcarrier].r - ch[base_idx + k].r);
noise[base_idx + k].i = abs(srs_ls_estimated_channel[subcarrier].i - ch[base_idx + k].i);
subcarrier += K_TC;
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier = subcarrier - frame_parms->ofdm_symbol_size;
}
}
#ifdef SRS_DEBUG
subcarrier = subcarrier_offset + nr_srs_info->k_0_p[p_index][0];
if (subcarrier > frame_parms->ofdm_symbol_size) {
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier -= frame_parms->ofdm_symbol_size;
}
@@ -983,13 +951,13 @@ int nr_srs_channel_estimation(
srs_ls_estimated_channel[subcarrier].i,
srs_estimated_channel_freq[ant][p_index][subcarrier].r,
srs_estimated_channel_freq[ant][p_index][subcarrier].i,
noise[base_idx + (k / K_TC)].r,
noise[base_idx + (k / K_TC)].i);
srs_received_noise[ant][subcarrier].r,
srs_received_noise[ant][subcarrier].i);
// Subcarrier increment
subcarrier++;
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier = subcarrier - frame_parms->ofdm_symbol_size;
subcarrier -= frame_parms->ofdm_symbol_size;
}
}
#endif
@@ -1010,61 +978,71 @@ int nr_srs_channel_estimation(
} // for (int p_index = 0; p_index < N_ap; p_index++)
} // for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++)
// Compute signal power
uint32_t signal_power = max(signal_energy_nodc(ch, arr_len), 1);
#ifdef SRS_DEBUG
LOG_I(NR_PHY, "signal_power = %u\n", signal_power);
#endif
// Compute wideband SNR
int tot_subcarriers = m_SRS_b * NR_NB_SC_PER_RB;
uint32_t signal_power = 0;
uint32_t noise_power = 0;
for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
for (int p_index = 0; p_index < N_ap; p_index++) {
uint16_t subcarrier0 = subcarrier_offset + nr_srs_info->k_0_p[p_index][0];
if (subcarrier0 >= frame_parms->ofdm_symbol_size) {
subcarrier0 -= frame_parms->ofdm_symbol_size;
}
if (subcarrier0 + tot_subcarriers < frame_parms->ofdm_symbol_size) {
signal_power += signal_energy_nodc(&srs_estimated_channel_freq[ant][p_index][subcarrier0], tot_subcarriers);
if (p_index == 0)
noise_power += signal_energy_nodc(&srs_received_noise[ant][subcarrier0], tot_subcarriers);
} else {
int size1 = frame_parms->ofdm_symbol_size - subcarrier0;
int size2 = tot_subcarriers - size1;
uint64_t signal_power_p1 = signal_energy_nodc(&srs_estimated_channel_freq[ant][p_index][subcarrier0], size1) * size1;
uint64_t signal_power_p2 = signal_energy_nodc(&srs_estimated_channel_freq[ant][p_index][0], size2) * size2;
signal_power += (signal_power_p1 + signal_power_p2) / tot_subcarriers;
if (p_index == 0) {
uint64_t noise_power_p1 = signal_energy_nodc(&srs_received_noise[ant][subcarrier0], size1) * size1;
uint64_t noise_power_p2 = signal_energy_nodc(&srs_received_noise[ant][0], size2) * size2;
noise_power += (noise_power_p1 + noise_power_p2) / tot_subcarriers;
}
}
}
}
signal_power = max(signal_power / (frame_parms->nb_antennas_rx * N_ap), 1);
noise_power = max(noise_power / (frame_parms->nb_antennas_rx), 1);
if (signal_power == 0) {
LOG_W(NR_PHY, "Received SRS signal power is 0\n");
return -1;
}
// Compute noise power
const uint8_t srs_symbols_per_rb = srs_pdu->comb_size == 0 ? 6 : 3;
const uint8_t n_noise_est = frame_parms->nb_antennas_rx * N_ap * srs_symbols_per_rb;
uint64_t sum_re = 0;
uint64_t sum_re2 = 0;
uint64_t sum_im = 0;
uint64_t sum_im2 = 0;
for (int rb = 0; rb < m_SRS_b; rb++) {
sum_re = 0;
sum_re2 = 0;
sum_im = 0;
sum_im2 = 0;
for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
for (int p_index = 0; p_index < N_ap; p_index++) {
uint16_t base_idx = ant * N_ap * M_sc_b_SRS + p_index * M_sc_b_SRS + rb * srs_symbols_per_rb;
for (int srs_symb = 0; srs_symb < srs_symbols_per_rb; srs_symb++) {
sum_re = sum_re + noise[base_idx + srs_symb].r;
sum_re2 = sum_re2 + noise[base_idx + srs_symb].r * noise[base_idx + srs_symb].r;
sum_im = sum_im + noise[base_idx + srs_symb].i;
sum_im2 = sum_im2 + noise[base_idx + srs_symb].i * noise[base_idx + srs_symb].i;
} // for (int srs_symb = 0; srs_symb < srs_symbols_per_rb; srs_symb++)
} // for (int p_index = 0; p_index < N_ap; p_index++)
} // for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++)
noise_power_per_rb[rb] = max(sum_re2 / n_noise_est - (sum_re / n_noise_est) * (sum_re / n_noise_est) + sum_im2 / n_noise_est
- (sum_im / n_noise_est) * (sum_im / n_noise_est),
1);
snr_per_rb[rb] = dB_fixed(signal_power) - dB_fixed(noise_power_per_rb[rb]);
#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
} // for (int rb = 0; rb < m_SRS_b; rb++)
const uint32_t noise_power = max(signal_energy_nodc(noise, arr_len), 1);
*snr = dB_fixed(signal_power) - dB_fixed(noise_power);
// Compute SNR per RB
uint16_t subcarrier = subcarrier_offset + nr_srs_info->k_0_p[0][0];
for (int rb = 0; rb < m_SRS_b; rb++) {
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier -= frame_parms->ofdm_symbol_size;
}
uint32_t noise_power_per_rb = 0;
for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
if (subcarrier + NR_NB_SC_PER_RB < frame_parms->ofdm_symbol_size) {
noise_power_per_rb += signal_energy_nodc(&srs_received_noise[ant][subcarrier], NR_NB_SC_PER_RB);
} else {
int size1 = frame_parms->ofdm_symbol_size - subcarrier;
int size2 = NR_NB_SC_PER_RB - size1;
uint32_t noise_power_per_rb1 = signal_energy_nodc(&srs_received_noise[ant][subcarrier], size1) * size1;
uint32_t noise_power_per_rb2 = signal_energy_nodc(&srs_received_noise[ant][0], size2) * size2;
noise_power_per_rb += (noise_power_per_rb1 + noise_power_per_rb2) / NR_NB_SC_PER_RB;
}
}
noise_power_per_rb = max(noise_power_per_rb / (frame_parms->nb_antennas_rx), 1);
snr_per_rb[rb] = dB_fixed(signal_power) - dB_fixed(noise_power_per_rb);
subcarrier += NR_NB_SC_PER_RB;
#ifdef SRS_DEBUG
LOG_I(NR_PHY, "noise_power = %u, SNR = %i dB\n", noise_power, *snr);
LOG_I(NR_PHY, "[RB %3i] noise_power_per_rb = %i, snr_per_rb = %i dB\n", rb, noise_power_per_rb, snr_per_rb[rb]);
#endif
}
#ifdef SRS_DEBUG
LOG_I(NR_PHY, "signal_power = %i dB, noise_power = %i dB, SNR = %i dB\n", dB_fixed(signal_power), dB_fixed(noise_power), *snr);
#endif
return 0;
openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
+1
View File
@@ -84,6 +84,7 @@ int nr_srs_channel_estimation(
const nr_srs_info_t *nr_srs_info,
const c16_t **srs_generated_signal,
c16_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_received_noise[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_estimated_channel_freq[][1 << srs_pdu->num_ant_ports]
[gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_estimated_channel_time[][1 << srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
+2 -1
View File
@@ -242,7 +242,8 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
slot_t slot,
nfapi_nr_srs_pdu_t *srs_pdu,
nr_srs_info_t *nr_srs_info,
c16_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)]);
c16_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_received_noise[][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
+28 -20
View File
@@ -79,59 +79,67 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
slot_t slot,
nfapi_nr_srs_pdu_t *srs_pdu,
nr_srs_info_t *nr_srs_info,
c16_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)])
c16_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
c16_t srs_received_noise[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)])
{
const NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
const uint16_t n_symbols = (slot % RU_RX_SLOT_DEPTH) * frame_parms->symbols_per_slot; // number of symbols until this slot
const uint8_t l0 = srs_pdu->time_start_position; // starting symbol in this slot
const uint8_t l0 = srs_pdu->time_start_position; // starting symbol in this slot
const uint64_t symbol_offset = (n_symbols + l0) * frame_parms->ofdm_symbol_size;
const uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start*NR_NB_SC_PER_RB;
const uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start * NR_NB_SC_PER_RB;
const uint8_t N_ap = 1<<srs_pdu->num_ant_ports;
const uint8_t N_ap = 1 << srs_pdu->num_ant_ports;
const uint8_t N_symb_SRS = 1 << srs_pdu->num_symbols;
const uint8_t K_TC = 2 << srs_pdu->comb_size;
const uint16_t M_sc_b_SRS = get_m_srs(srs_pdu->config_index, srs_pdu->bandwidth_index) * NR_NB_SC_PER_RB / K_TC;
c16_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(c16_t));
rx_signal = &rxdataF[ant][symbol_offset];
memset(srs_received_noise[ant], 0, frame_parms->ofdm_symbol_size * sizeof(c16_t));
c16_t *rx_signal = &rxdataF[ant][symbol_offset];
for (int p_index = 0; p_index < N_ap; p_index++) {
#ifdef SRS_DEBUG
LOG_I(NR_PHY,"===== UE port %d --> gNB Rx antenna %i =====\n", p_index, ant);
LOG_I(NR_PHY, "===== UE port %d --> gNB Rx antenna %i =====\n", p_index, ant);
#endif
for (int l_line = 0; l_line < N_symb_SRS; l_line++) {
#ifdef SRS_DEBUG
LOG_I(NR_PHY,":::::::: OFDM symbol %d ::::::::\n", l0+l_line);
LOG_I(NR_PHY, ":::::::: OFDM symbol %d ::::::::\n", l0 + l_line);
#endif
uint16_t subcarrier = subcarrier_offset + nr_srs_info->k_0_p[p_index][l_line];
if (subcarrier>frame_parms->ofdm_symbol_size) {
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier -= frame_parms->ofdm_symbol_size;
}
uint16_t l_line_offset = l_line*frame_parms->ofdm_symbol_size;
uint16_t l_line_offset = l_line * frame_parms->ofdm_symbol_size;
for (int k = 0; k < M_sc_b_SRS; k++) {
srs_received_signal[ant][l_line_offset+subcarrier] = rx_signal[l_line_offset+subcarrier];
// Subcarriers with SRS symbols
srs_received_signal[ant][l_line_offset + subcarrier] = rx_signal[l_line_offset + subcarrier];
if (rx_signal[l_line_offset + subcarrier].r || rx_signal[l_line_offset + subcarrier].i) {
no_srs_signal = false;
}
// Subcarriers without SRS symbols and only noise
srs_received_noise[ant][l_line_offset + subcarrier] = rx_signal[l_line_offset + subcarrier + 1];
for (int n = 1; n < K_TC; n++) {
uint16_t subcarrier_n = subcarrier + n;
if (subcarrier_n >= frame_parms->ofdm_symbol_size) {
subcarrier_n -= frame_parms->ofdm_symbol_size;
}
srs_received_noise[ant][l_line_offset + subcarrier_n] = rx_signal[l_line_offset + subcarrier_n];
}
#ifdef SRS_DEBUG
int subcarrier_log = subcarrier-subcarrier_offset;
if(subcarrier_log < 0) {
int subcarrier_log = subcarrier - subcarrier_offset;
if (subcarrier_log < 0) {
subcarrier_log = subcarrier_log + frame_parms->ofdm_symbol_size;
}
if(subcarrier_log%12 == 0) {
LOG_I(NR_PHY,"------------ %d ------------\n", subcarrier_log/12);
if (subcarrier_log % 12 == 0) {
LOG_I(NR_PHY, "------------ %d ------------\n", subcarrier_log / 12);
}
LOG_I(NR_PHY,
"(%i) \t%i\t%i\n",
@@ -143,7 +151,7 @@ int nr_get_srs_signal(PHY_VARS_gNB *gNB,
// Subcarrier increment
subcarrier += K_TC;
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier=subcarrier-frame_parms->ofdm_symbol_size;
subcarrier -= frame_parms->ofdm_symbol_size;
}
} // for (int k = 0; k < M_sc_b_SRS; k++)
openair1/PHY/TOOLS/tools_defs.h
+9
View File
@@ -219,6 +219,7 @@ extern "C" {
{
return (c16_t){.r = (int16_t)((a.r * b) >> Shift), .i = (int16_t)((a.i * b) >> Shift)};
}
__attribute__((always_inline)) inline c16_t c16MulConjShift(const c16_t a, const c16_t b, const int Shift)
{
return (c16_t) {
@@ -234,6 +235,14 @@ extern "C" {
};
}
__attribute__((always_inline)) inline c16_t c16maddConjShift(const c16_t a, const c16_t b, c16_t c, const int Shift)
{
return (c16_t) {
.r = (int16_t)(((a.r * b.r + a.i * b.i ) >> Shift) + c.r),
.i = (int16_t)(((a.r * b.i - a.i * b.r ) >> Shift) + c.i)
};
}
__attribute__((always_inline)) inline c32_t c32x16mulShift(const c16_t a, const c16_t b, const int Shift) {
return (c32_t) {
.r = (a.r * b.r - a.i * b.i) >> Shift,
openair1/PHY/nr_phy_common/src/nr_phy_common_srs.c
+3 -4
View File
@@ -304,7 +304,7 @@ bool generate_srs_nr(NR_DL_FRAME_PARMS *frame_parms,
#endif
uint16_t subcarrier = subcarrier_offset + k_0_p;
if (subcarrier>frame_parms->ofdm_symbol_size)
if (subcarrier >= frame_parms->ofdm_symbol_size)
subcarrier -= frame_parms->ofdm_symbol_size;
uint16_t l_line_offset = l_line * frame_parms->ofdm_symbol_size;
// For each port, and for each OFDM symbol, here it is computed and mapped an SRS sequence with M_sc_b_SRS symbols
@@ -333,9 +333,8 @@ bool generate_srs_nr(NR_DL_FRAME_PARMS *frame_parms,
// Subcarrier increment
subcarrier += K_TC;
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier=subcarrier-frame_parms->ofdm_symbol_size;
}
if (subcarrier >= frame_parms->ofdm_symbol_size)
subcarrier -= frame_parms->ofdm_symbol_size;
} // for (int k = 0; k < M_sc_b_SRS; k++)
} // for (int l_line = 0; l_line < N_symb_SRS; l_line++)
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+5 -3
View File
@@ -750,7 +750,7 @@ int fill_srs_channel_matrix(uint8_t *channel_matrix,
for(int gI = 0; gI < num_gnb_antenna_elements; gI++) {
uint16_t subcarrier = subcarrier_offset + nr_srs_info->k_0_p[uI][0];
if (subcarrier>frame_parms->ofdm_symbol_size) {
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier -= frame_parms->ofdm_symbol_size;
}
@@ -769,7 +769,7 @@ int fill_srs_channel_matrix(uint8_t *channel_matrix,
// Subcarrier increment
subcarrier += step;
if (subcarrier >= frame_parms->ofdm_symbol_size) {
subcarrier=subcarrier-frame_parms->ofdm_symbol_size;
subcarrier -= frame_parms->ofdm_symbol_size;
}
}
}
@@ -1045,6 +1045,7 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
nfapi_nr_srs_pdu_t *srs_pdu = &srs->srs_pdu;
uint8_t N_symb_SRS = 1 << srs_pdu->num_symbols;
c16_t srs_received_signal[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size * N_symb_SRS];
c16_t srs_received_noise[frame_parms->nb_antennas_rx][frame_parms->ofdm_symbol_size * N_symb_SRS];
c16_t srs_estimated_channel_freq[frame_parms->nb_antennas_rx][1 << srs_pdu->num_ant_ports]
[frame_parms->ofdm_symbol_size * N_symb_SRS] __attribute__((aligned(32)));
c16_t srs_estimated_channel_time[frame_parms->nb_antennas_rx][1 << srs_pdu->num_ant_ports][frame_parms->ofdm_symbol_size]
@@ -1068,7 +1069,7 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
stop_meas(&gNB->generate_srs_stats);
c16_t **rxdataF = gNB->common_vars.rxdataF[srs->beam_nb];
start_meas(&gNB->get_srs_signal_stats);
int srs_est = nr_get_srs_signal(gNB, rxdataF, frame_rx, slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal);
int srs_est = nr_get_srs_signal(gNB, rxdataF, frame_rx, slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal, srs_received_noise);
stop_meas(&gNB->get_srs_signal_stats);
if (srs_est >= 0) {
@@ -1080,6 +1081,7 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, N
gNB->nr_srs_info[i],
(const c16_t**)gNB->nr_srs_info[i]->srs_generated_signal,
srs_received_signal,
srs_received_noise,
srs_estimated_channel_freq,
srs_estimated_channel_time,
srs_estimated_channel_time_shifted,
openair1/SIMULATION/NR_PHY/ulsim.c
+6 -6
View File
@@ -1733,7 +1733,12 @@ int main(int argc, char *argv[])
if (print_perf==1)
{
printf("gNB RX\n");
printf("UE TX\n");
for (int i = PHY_PROC_TX; i <= OFDM_MOD_STATS; i++) {
printStatIndent(&UE->phy_cpu_stats.cpu_time_stats[i], UE->phy_cpu_stats.cpu_time_stats[i].meas_name);
}
printf("\ngNB RX\n");
printDistribution(&gNB->phy_proc_rx,table_rx, "Total PHY proc rx");
printStatIndent(&gNB->rx_pusch_stats, "RX PUSCH time");
printStatIndent2(&gNB->ulsch_channel_estimation_stats, "ULSCH channel estimation time");
@@ -1744,11 +1749,6 @@ int main(int argc, char *argv[])
printStatIndent2(&gNB->ts_deinterleave, "ULSCH segment deinterleaving time");
printStatIndent2(&gNB->ts_rate_unmatch, "ULSCH segment rate recovery time");
printStatIndent2(&gNB->ts_ldpc_decode, "ULSCH segments decoding time");
printf("\nUE TX\n");
for (int i = PHY_PROC_TX; i <= OFDM_MOD_STATS; i++) {
printStatIndent(&UE->phy_cpu_stats.cpu_time_stats[i], UE->phy_cpu_stats.cpu_time_stats[i].meas_name);
}
printStatIndent(&gNB->rx_srs_stats,"RX SRS time");
printStatIndent2(&gNB->generate_srs_stats,"Generate SRS sequence time");
printStatIndent2(&gNB->get_srs_signal_stats,"Get SRS signal time");