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srsLTE
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SRSUE: Disable PDSCH retransmissions in NR

This commit is contained in:
Xavier Arteaga 2021-03-26 11:54:07 +01:00 committed by Xavier Arteaga
parent 1dcd75a6c7
commit 20a4c39fa4
1 changed files with 8 additions and 1 deletions
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9
srsue/src/phy/nr/cc_worker.cc
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@ -215,13 +215,20 @@ bool cc_worker::work_dl()
srsran_sch_cfg_nr_t pdsch_cfg = {};
srsran_pdsch_ack_resource_nr_t ack_resource = {};
if (phy->get_dl_pending_grant(dl_slot_cfg.idx, pdsch_cfg, ack_resource, pid)) {
// As HARQ processes are not implemented nor LDPC early-stop, retransmissions are disabled for performance reasons
if (pdsch_cfg.grant.tb[0].rv != 0) {
phy->set_pending_ack(dl_slot_cfg.idx, ack_resource, false);
logger.warning("PDSCH Retransmission with rv=%d not supported", pdsch_cfg.grant.tb[0].rv);
return true;
}
// Get data buffer
srsran::unique_byte_buffer_t data = srsran::make_byte_buffer();
if (data == nullptr) {
logger.error("Couldn't allocate PDU in %s().", __FUNCTION__);
return false;
}
data->N_bytes = pdsch_cfg.grant.tb[0].tbs / 8U;
data->N_bytes = pdsch_cfg.grant.tb[0].tbs / 8U;
// Get soft-buffer from MAC
// ...