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srsRAN_4G
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Improved NR unit test

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master
Xavier Arteaga 4 years ago committed by Andre Puschmann
parent 28170c92a9
commit fb5dfb3a86
3 changed files with 72 additions and 44 deletions
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10
lib/src/phy/phch/test/sch_nr_test.c
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@ -107,6 +107,9 @@ int main(int argc, char** argv)
srsran_sch_nr_args_t args = {};
args.disable_simd = false;
args.decoder_use_flooded = false;
args.decoder_scaling_factor = 0.8;
args.max_nof_iter = 20;
if (srsran_sch_nr_init_tx(&sch_nr_tx, &args) < SRSRAN_SUCCESS) {
ERROR("Error initiating SCH NR for Tx");
goto clean_exit;
@ -143,10 +146,9 @@ int main(int argc, char** argv)
}
// Use grant default A time resources with m=0
if (srsran_ra_dl_nr_time_default_A(0, pdsch_cfg.dmrs.typeA_pos, &pdsch_cfg.grant) < SRSRAN_SUCCESS) {
ERROR("Error loading default grant");
goto clean_exit;
}
pdsch_cfg.grant.S = 1;
pdsch_cfg.grant.L = 13;
pdsch_cfg.grant.k = 0;
pdsch_cfg.grant.nof_layers = carrier.max_mimo_layers;
pdsch_cfg.grant.dci_format = srsran_dci_format_nr_1_0;

4
lib/test/phy/CMakeLists.txt
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@ -56,3 +56,7 @@ add_nr_test(phy_dl_nr_test phy_dl_nr_test -p 100 -m 28)
add_nr_test(phy_dl_nr_test_rvd phy_dl_nr_test -P 52 -p 52 -m 0
-R 0 52 1 010010010010 00000000010000
-R 0 52 1 100100100100 00000010000000)
add_nr_test(phy_dl_nr_test_cfo_delay phy_dl_nr_test -P 52 -p 52 -m 27 -C 100.0 -D 4 -n 10)
add_nr_test(phy_dl_nr_test_52prb phy_dl_nr_test -P 52 -p 52 -m 27 -T 256qam -v -d 1 1 -n 10)
add_nr_test(phy_dl_nr_test_270prb phy_dl_nr_test -P 270 -p 270 -m 27 -T 256qam -v -d 1 1 -n 10)

66
lib/test/phy/phy_dl_nr_test.c
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@ -35,17 +35,20 @@ static uint32_t mcs = 30; // Set to 30 for steering
static srsran_sch_cfg_nr_t pdsch_cfg = {};
static uint32_t nof_slots = 10;
static uint32_t rv_idx = 0;
static uint32_t delay_n = 4; // Integer delay
static float cfo_hz = 100.0f; // CFO Hz
static uint32_t delay_n = 0; // Integer delay
static float cfo_hz = 0.0f; // CFO Hz
static srsran_dmrs_sch_type_t dmrs_type = srsran_dmrs_sch_type_1;
static srsran_dmrs_sch_add_pos_t dmrs_add_pos = srsran_dmrs_sch_add_pos_2;
static void usage(char* prog)
{
printf("Usage: %s [pTL] \n", prog);
printf("Usage: %s [rRPdpmnTLDCv] \n", prog);
printf("\t-P Number of BWP (Carrier) PRB [Default %d]\n", carrier.nof_prb);
printf("\t-p Number of grant PRB, set to 0 for steering [Default %d]\n", n_prb);
printf("\t-n Number of slots to simulate [Default %d]\n", nof_slots);
printf("\t-m MCS PRB, set to >28 for steering [Default %d]\n", mcs);
printf("\t-r Redundancy version, set to >28 for steering [Default %d]\n", mcs);
printf("\t-d DMRS configuration [type 1-2] [add_pos 2-3] [CDM groups 1-3] [Default %d]\n", mcs);
printf("\t-T Provide MCS table (64qam, 256qam, 64qamLowSE) [Default %s]\n",
srsran_mcs_table_to_str(pdsch_cfg.sch_cfg.mcs_table));
printf("\t-R Reserve RE: [rb_begin] [rb_end] [rb_stride] [sc_mask] [symbol_mask]\n");
@ -58,7 +61,7 @@ static void usage(char* prog)
static int parse_args(int argc, char** argv)
{
int opt;
while ((opt = getopt(argc, argv, "rRPpmnTLDCv")) != -1) {
while ((opt = getopt(argc, argv, "rRPdpmnTLDCv")) != -1) {
switch (opt) {
case 'P':
carrier.nof_prb = (uint32_t)strtol(argv[optind], NULL, 10);
@ -75,6 +78,30 @@ static int parse_args(int argc, char** argv)
case 'r':
rv_idx = (uint32_t)strtol(argv[optind], NULL, 10);
break;
case 'd':
switch (strtol(argv[optind++], NULL, 10)) {
case 1:
dmrs_type = srsran_dmrs_sch_type_1;
break;
case 2:
dmrs_type = srsran_dmrs_sch_type_2;
break;
}
switch (strtol(argv[optind], NULL, 10)) {
case 0:
dmrs_add_pos = srsran_dmrs_sch_add_pos_0;
break;
case 1:
dmrs_add_pos = srsran_dmrs_sch_add_pos_1;
break;
case 2:
dmrs_add_pos = srsran_dmrs_sch_add_pos_2;
break;
case 3:
dmrs_add_pos = srsran_dmrs_sch_add_pos_3;
break;
}
break;
case 'T':
pdsch_cfg.sch_cfg.mcs_table = srsran_mcs_table_from_str(argv[optind]);
break;
@ -202,7 +229,12 @@ int main(int argc, char** argv)
cf_t* buffer_gnb[SRSRAN_MAX_PORTS] = {};
cf_t* buffer_ue[SRSRAN_MAX_PORTS] = {};
uint32_t sf_len = SRSRAN_SF_LEN_PRB(carrier.nof_prb);
// Set default PDSCH configuration
if (parse_args(argc, argv) < SRSRAN_SUCCESS) {
goto clean_exit;
}
uint32_t sf_len = SRSRAN_SF_LEN_PRB_NR(carrier.nof_prb);
buffer_gnb[0] = srsran_vec_cf_malloc(sf_len);
buffer_ue[0] = srsran_vec_cf_malloc(sf_len);
if (buffer_gnb[0] == NULL || buffer_ue[0] == NULL) {
@ -225,18 +257,12 @@ int main(int argc, char** argv)
enb_dl_args.pdcch.disable_simd = false;
enb_dl_args.nof_max_prb = carrier.nof_prb;
// Set default PDSCH configuration
pdsch_cfg.sch_cfg.mcs_table = srsran_mcs_table_64qam;
if (parse_args(argc, argv) < SRSRAN_SUCCESS) {
goto clean_exit;
}
srsran_pdcch_cfg_nr_t pdcch_cfg = {};
// Configure CORESET
srsran_coreset_t* coreset = &pdcch_cfg.coreset[1];
pdcch_cfg.coreset_present[1] = true;
coreset->duration = 2;
coreset->duration = 1;
for (uint32_t i = 0; i < SRSRAN_CORESET_FREQ_DOMAIN_RES_SIZE; i++) {
coreset->freq_resources[i] = i < carrier.nof_prb / 6;
}
@ -315,11 +341,11 @@ int main(int argc, char** argv)
}
// Use grant default A time resources with m=0
pdsch_cfg.dmrs.type = dmrs_type;
pdsch_cfg.dmrs.typeA_pos = srsran_dmrs_sch_typeA_pos_2;
if (srsran_ra_dl_nr_time_default_A(0, pdsch_cfg.dmrs.typeA_pos, &pdsch_cfg.grant) < SRSRAN_SUCCESS) {
ERROR("Error loading default grant");
goto clean_exit;
}
pdsch_cfg.dmrs.additional_pos = dmrs_add_pos;
pdsch_cfg.grant.S = 1;
pdsch_cfg.grant.L = 13;
pdsch_cfg.grant.nof_layers = carrier.max_mimo_layers;
pdsch_cfg.grant.dci_format = srsran_dci_format_nr_1_0;
pdsch_cfg.grant.nof_dmrs_cdm_groups_without_data = 1;
@ -371,12 +397,8 @@ int main(int argc, char** argv)
// Compute PDCCH candidate locations
uint32_t L = 1;
uint32_t ncce_candidates[SRSRAN_SEARCH_SPACE_MAX_NOF_CANDIDATES_NR] = {};
int nof_candidates = srsran_pdcch_nr_locations_coreset(coreset,
search_space,
pdsch_cfg.grant.rnti,
L,
SRSRAN_SLOT_NR_MOD(carrier.scs, slot.idx),
ncce_candidates);
int nof_candidates = srsran_pdcch_nr_locations_coreset(
coreset, search_space, pdsch_cfg.grant.rnti, L, SRSRAN_SLOT_NR_MOD(carrier.scs, slot.idx), ncce_candidates);
if (nof_candidates < SRSRAN_SUCCESS) {
ERROR("Error getting PDCCH candidates");
goto clean_exit;

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