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srsLTE
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Move place to apply reference_point_k_rb to dmrs

This commit is contained in:
Ismael Gomez 2021-11-12 22:28:16 +01:00 committed by Andre Puschmann
parent 883ddef4a6
commit 4836e90b2c
2 changed files with 8 additions and 8 deletions
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8
lib/src/phy/phch/ra_nr.c
View File

@ -559,6 +559,14 @@ static int ra_dl_dmrs(const srsran_sch_hl_cfg_nr_t* hl_cfg, const srsran_dci_dl_
(cfg->grant.mapping == srsran_sch_mapping_type_A) ? hl_cfg->dmrs_typeA.present : hl_cfg->dmrs_typeB.present;
if (dci->ctx.format == srsran_dci_format_nr_1_0 || !dedicated_dmrs_present) {
// The reference point for k is
// - for PDSCH transmission carrying SIB1, subcarrier 0 of the lowest-numbered common resource block in the
// CORESET configured by the PBCH
//- otherwise, subcarrier 0 in common resource block 0
if (dci->ctx.rnti_type == srsran_rnti_type_si) {
cfg->dmrs.reference_point_k_rb = dci->ctx.coreset_start_rb;
}
if (cfg->grant.mapping == srsran_sch_mapping_type_A) {
// Absent default values are defined is TS 38.331 - DMRS-DownlinkConfig
cfg->dmrs.additional_pos = srsran_dmrs_sch_add_pos_2;

8
lib/src/phy/ue/test/ue_dl_nr_file_test.cc
View File

@ -206,14 +206,6 @@ static int work_ue_dl(srsran_ue_dl_nr_t* ue_dl, srsran_slot_cfg_t* slot)
srsran_pdsch_res_nr_t pdsch_res = {};
pdsch_res.tb[0].payload = data;
// See 7.4.1.1.2 38.211 The reference point for k is
// - for PDSCH transmission carrying SIB1, subcarrier 0 of the lowest-numbered common resource block in the
// CORESET configured by the PBCH
//- otherwise, subcarrier 0 in common resource block 0
if (rnti_type == srsran_rnti_type_si) {
pdsch_cfg.dmrs.reference_point_k_rb = pdcch_cfg.coreset[0].offset_rb;
}
// Decode PDSCH
if (srsran_ue_dl_nr_decode_pdsch(ue_dl, slot, &pdsch_cfg, &pdsch_res) < SRSRAN_SUCCESS) {
ERROR("Error decoding PDSCH search");