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change type to c16_t around dmrs computation pieces of code

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This commit is contained in:
Laurent THOMAS
2024-03-26 20:57:31 +01:00
parent 99e1bb1a00
commit 88fb3c3598
18 changed files with 225 additions and 289 deletions
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openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+19 -18
View File
@@ -122,10 +122,10 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
pusch_pdu->dmrs_config_type);
} else { // if transform precoding or SC-FDMA is enabled in Uplink
// NR_SC_FDMA supports type1 DMRS so only 6 DMRS REs per RB possible
const uint16_t index = get_index_for_dmrs_lowpapr_seq(nb_rb_pusch * (NR_NB_SC_PER_RB/2));
const int index = get_index_for_dmrs_lowpapr_seq(nb_rb_pusch * (NR_NB_SC_PER_RB / 2));
const uint8_t u = pusch_pdu->dfts_ofdm.low_papr_group_number;
const uint8_t v = pusch_pdu->dfts_ofdm.low_papr_sequence_number;
int16_t *dmrs_seq = gNB_dmrs_lowpaprtype1_sequence[u][v][index];
c16_t *dmrs_seq = gNB_dmrs_lowpaprtype1_sequence[u][v][index];
LOG_D(PHY,"Transform Precoding params. u: %d, v: %d, index for dmrsseq: %d\n", u, v, index);
AssertFatal(index >= 0, "Num RBs not configured according to 3GPP 38.211 section 6.3.1.4. For PUSCH with transform precoding, num RBs cannot be multiple of any other primenumber other than 2,3,5\n");
AssertFatal(dmrs_seq != NULL, "DMRS low PAPR seq not found, check if DMRS sequences are generated");
@@ -611,19 +611,21 @@ uint32_t calc_power(const int16_t *x, const uint32_t size) {
return sum_x2/size - (sum_x/size)*(sum_x/size);
}
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_estimated_channel_freq[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_estimated_channel_time[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int32_t srs_estimated_channel_time_shifted[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int8_t *snr_per_rb,
int8_t *snr) {
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 c16_t **srs_generated_signal,
int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
int32_t srs_estimated_channel_freq[][1 << srs_pdu->num_ant_ports]
[gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
int32_t srs_estimated_channel_time[][1 << srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int32_t srs_estimated_channel_time_shifted[][1 << srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int8_t *snr_per_rb,
int8_t *snr)
{
#ifdef SRS_DEBUG
LOG_I(NR_PHY,"Calling %s function\n", __FUNCTION__);
#endif
@@ -694,9 +696,8 @@ int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB,
uint16_t subcarrier_cdm = subcarrier;
for (int cdm_idx = 0; cdm_idx < fd_cdm; cdm_idx++) {
int16_t generated_real = ((c16_t*)srs_generated_signal[p_index])[subcarrier_cdm].r;
int16_t generated_imag = ((c16_t*)srs_generated_signal[p_index])[subcarrier_cdm].i;
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 = ((c16_t*)srs_received_signal[ant])[subcarrier_cdm].r;
int16_t received_imag = ((c16_t*)srs_received_signal[ant])[subcarrier_cdm].i;
openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
+14 -12
View File
@@ -72,18 +72,20 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
unsigned char symbol,
uint32_t nb_re_pusch);
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_estimated_channel_freq[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
int32_t srs_estimated_channel_time[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int32_t srs_estimated_channel_time_shifted[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int8_t *snr_per_rb,
int8_t *snr);
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 c16_t **srs_generated_signal,
int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
int32_t srs_estimated_channel_freq[][1 << srs_pdu->num_ant_ports]
[gNB->frame_parms.ofdm_symbol_size * (1 << srs_pdu->num_symbols)],
int32_t srs_estimated_channel_time[][1 << srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int32_t srs_estimated_channel_time_shifted[][1 << srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
int8_t *snr_per_rb,
int8_t *snr);
void nr_freq_equalization(NR_DL_FRAME_PARMS *frame_parms,
int *rxdataF_comp,