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@ -39,22 +39,25 @@ static srsran_carrier_nr_t carrier = {
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1 // max_mimo_layers
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};
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static uint32_t n_prb = 0; // Set to 0 for steering
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static uint32_t mcs = 30; // Set to 30 for steering
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static srsran_sch_cfg_nr_t pdsch_cfg = {};
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static uint32_t nof_slots = 10;
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static uint32_t rv_idx = 0;
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static uint32_t delay_n = 4; // Integer delay
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static float cfo_hz = 100.0f; // CFO Hz
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static uint32_t n_prb = 0; // Set to 0 for steering
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static uint32_t mcs = 30; // Set to 30 for steering
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static srsran_sch_cfg_nr_t pdsch_cfg = {};
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static uint32_t nof_slots = 10;
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static uint32_t rv_idx = 0;
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static uint32_t delay_n = 0; // Integer delay
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static float cfo_hz = 0.0f; // CFO Hz
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static srsran_dmrs_sch_type_t dmrs_type = srsran_dmrs_sch_type_1;
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static srsran_dmrs_sch_add_pos_t dmrs_add_pos = srsran_dmrs_sch_add_pos_2;
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static void usage(char* prog)
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{
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printf("Usage: %s [pTL] \n", prog);
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printf("Usage: %s [rRPdpmnTLDCv] \n", prog);
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printf("\t-P Number of BWP (Carrier) PRB [Default %d]\n", carrier.nof_prb);
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printf("\t-p Number of grant PRB, set to 0 for steering [Default %d]\n", n_prb);
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printf("\t-n Number of slots to simulate [Default %d]\n", nof_slots);
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printf("\t-m MCS PRB, set to >28 for steering [Default %d]\n", mcs);
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printf("\t-r Redundancy version, set to >28 for steering [Default %d]\n", mcs);
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printf("\t-d DMRS configuration [type 1-2] [add_pos 2-3] [CDM groups 1-3] [Default %d]\n", mcs);
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printf("\t-T Provide MCS table (64qam, 256qam, 64qamLowSE) [Default %s]\n",
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srsran_mcs_table_to_str(pdsch_cfg.sch_cfg.mcs_table));
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printf("\t-R Reserve RE: [rb_begin] [rb_end] [rb_stride] [sc_mask] [symbol_mask]\n");
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@ -67,7 +70,7 @@ static void usage(char* prog)
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static int parse_args(int argc, char** argv)
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{
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int opt;
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while ((opt = getopt(argc, argv, "rRPpmnTLDCv")) != -1) {
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while ((opt = getopt(argc, argv, "rRPdpmnTLDCv")) != -1) {
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switch (opt) {
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case 'P':
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carrier.nof_prb = (uint32_t)strtol(argv[optind], NULL, 10);
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@ -84,6 +87,30 @@ static int parse_args(int argc, char** argv)
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case 'r':
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rv_idx = (uint32_t)strtol(argv[optind], NULL, 10);
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break;
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case 'd':
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switch (strtol(argv[optind++], NULL, 10)) {
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case 1:
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dmrs_type = srsran_dmrs_sch_type_1;
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break;
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case 2:
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dmrs_type = srsran_dmrs_sch_type_2;
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break;
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}
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switch (strtol(argv[optind], NULL, 10)) {
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case 0:
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dmrs_add_pos = srsran_dmrs_sch_add_pos_0;
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break;
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case 1:
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dmrs_add_pos = srsran_dmrs_sch_add_pos_1;
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break;
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case 2:
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dmrs_add_pos = srsran_dmrs_sch_add_pos_2;
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break;
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case 3:
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dmrs_add_pos = srsran_dmrs_sch_add_pos_3;
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break;
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}
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break;
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case 'T':
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pdsch_cfg.sch_cfg.mcs_table = srsran_mcs_table_from_str(argv[optind]);
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break;
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@ -211,7 +238,12 @@ int main(int argc, char** argv)
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cf_t* buffer_gnb[SRSRAN_MAX_PORTS] = {};
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cf_t* buffer_ue[SRSRAN_MAX_PORTS] = {};
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uint32_t sf_len = SRSRAN_SF_LEN_PRB(carrier.nof_prb);
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// Set default PDSCH configuration
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if (parse_args(argc, argv) < SRSRAN_SUCCESS) {
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goto clean_exit;
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}
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uint32_t sf_len = SRSRAN_SF_LEN_PRB_NR(carrier.nof_prb);
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buffer_gnb[0] = srsran_vec_cf_malloc(sf_len);
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buffer_ue[0] = srsran_vec_cf_malloc(sf_len);
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if (buffer_gnb[0] == NULL || buffer_ue[0] == NULL) {
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@ -219,14 +251,14 @@ int main(int argc, char** argv)
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goto clean_exit;
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}
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srsran_ue_dl_nr_args_t ue_dl_args = {};
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ue_dl_args.nof_rx_antennas = 1;
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ue_dl_args.pdsch.sch.disable_simd = false;
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ue_dl_args.pdsch.sch.decoder_use_flooded = false;
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ue_dl_args.pdsch.measure_evm = true;
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ue_dl_args.pdcch.disable_simd = false;
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ue_dl_args.pdcch.measure_evm = true;
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ue_dl_args.nof_max_prb = carrier.nof_prb;
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srsran_ue_dl_nr_args_t ue_dl_args = {};
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ue_dl_args.nof_rx_antennas = 1;
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ue_dl_args.pdsch.sch.disable_simd = false;
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ue_dl_args.pdsch.sch.decoder_use_flooded = false;
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ue_dl_args.pdsch.measure_evm = true;
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ue_dl_args.pdcch.disable_simd = false;
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ue_dl_args.pdcch.measure_evm = true;
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ue_dl_args.nof_max_prb = carrier.nof_prb;
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srsran_enb_dl_nr_args_t enb_dl_args = {};
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enb_dl_args.nof_tx_antennas = 1;
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@ -234,18 +266,12 @@ int main(int argc, char** argv)
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enb_dl_args.pdcch.disable_simd = false;
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enb_dl_args.nof_max_prb = carrier.nof_prb;
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// Set default PDSCH configuration
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pdsch_cfg.sch_cfg.mcs_table = srsran_mcs_table_64qam;
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if (parse_args(argc, argv) < SRSRAN_SUCCESS) {
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goto clean_exit;
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}
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srsran_pdcch_cfg_nr_t pdcch_cfg = {};
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// Configure CORESET
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srsran_coreset_t* coreset = &pdcch_cfg.coreset[1];
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pdcch_cfg.coreset_present[1] = true;
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coreset->duration = 2;
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coreset->duration = 1;
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for (uint32_t i = 0; i < SRSRAN_CORESET_FREQ_DOMAIN_RES_SIZE; i++) {
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coreset->freq_resources[i] = i < carrier.nof_prb / 6;
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}
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@ -324,11 +350,11 @@ int main(int argc, char** argv)
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}
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// Use grant default A time resources with m=0
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pdsch_cfg.dmrs.typeA_pos = srsran_dmrs_sch_typeA_pos_2;
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if (srsran_ra_dl_nr_time_default_A(0, pdsch_cfg.dmrs.typeA_pos, &pdsch_cfg.grant) < SRSRAN_SUCCESS) {
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ERROR("Error loading default grant");
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goto clean_exit;
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}
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pdsch_cfg.dmrs.type = dmrs_type;
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pdsch_cfg.dmrs.typeA_pos = srsran_dmrs_sch_typeA_pos_2;
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pdsch_cfg.dmrs.additional_pos = dmrs_add_pos;
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pdsch_cfg.grant.S = 1;
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pdsch_cfg.grant.L = 13;
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pdsch_cfg.grant.nof_layers = carrier.max_mimo_layers;
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pdsch_cfg.grant.dci_format = srsran_dci_format_nr_1_0;
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pdsch_cfg.grant.nof_dmrs_cdm_groups_without_data = 1;
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@ -380,12 +406,8 @@ int main(int argc, char** argv)
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// Compute PDCCH candidate locations
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uint32_t L = 1;
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uint32_t ncce_candidates[SRSRAN_SEARCH_SPACE_MAX_NOF_CANDIDATES_NR] = {};
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int nof_candidates = srsran_pdcch_nr_locations_coreset(coreset,
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search_space,
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pdsch_cfg.grant.rnti,
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L,
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SRSRAN_SLOT_NR_MOD(carrier.scs, slot.idx),
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ncce_candidates);
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int nof_candidates = srsran_pdcch_nr_locations_coreset(
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coreset, search_space, pdsch_cfg.grant.rnti, L, SRSRAN_SLOT_NR_MOD(carrier.scs, slot.idx), ncce_candidates);
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if (nof_candidates < SRSRAN_SUCCESS) {
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ERROR("Error getting PDCCH candidates");
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goto clean_exit;
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Codebot
4 years ago
committed by
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