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@ -243,36 +243,51 @@ alloc_result bwp_slot_allocator::alloc_pdsch(slot_ue& ue, const prb_grant& dl_gr
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// Allocation Successful
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// Allocation Successful
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// Generate PDCCH
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int mcs = ue.cfg->ue_cfg()->fixed_dl_mcs;
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pdcch_dl_t& pdcch = bwp_pdcch_slot.dl_pdcchs.back();
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do {
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fill_dl_dci_ue_fields(ue, *bwp_grid.cfg, ss_id, pdcch.dci.ctx.location, pdcch.dci);
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// Generate PDCCH
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pdcch.dci.pucch_resource = 0;
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pdcch_dl_t& pdcch = bwp_pdcch_slot.dl_pdcchs.back();
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pdcch.dci.dai = std::count_if(bwp_uci_slot.pending_acks.begin(),
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fill_dl_dci_ue_fields(ue, *bwp_grid.cfg, ss_id, pdcch.dci.ctx.location, pdcch.dci);
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bwp_uci_slot.pending_acks.end(),
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pdcch.dci.pucch_resource = 0;
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[&ue](const harq_ack_t& p) { return p.res.rnti == ue.rnti; });
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pdcch.dci.dai = std::count_if(bwp_uci_slot.pending_acks.begin(),
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pdcch.dci.dai %= 4;
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bwp_uci_slot.pending_acks.end(),
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pdcch.dci_cfg = ue.cfg->phy().get_dci_cfg();
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[&ue](const harq_ack_t& p) { return p.res.rnti == ue.rnti; });
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pdcch.dci.dai %= 4;
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// Generate PUCCH
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pdcch.dci_cfg = ue.cfg->phy().get_dci_cfg();
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bwp_uci_slot.pending_acks.emplace_back();
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bwp_uci_slot.pending_acks.back().phy_cfg = &ue.cfg->phy();
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// Generate PUCCH
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srsran_assert(ue.cfg->phy().get_pdsch_ack_resource(pdcch.dci, bwp_uci_slot.pending_acks.back().res),
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bwp_uci_slot.pending_acks.emplace_back();
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"Error getting ack resource");
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bwp_uci_slot.pending_acks.back().phy_cfg = &ue.cfg->phy();
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srsran_assert(ue.cfg->phy().get_pdsch_ack_resource(pdcch.dci, bwp_uci_slot.pending_acks.back().res),
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// Generate PDSCH
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"Error getting ack resource");
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bwp_pdsch_slot.dl_prbs |= dl_grant;
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bwp_pdsch_slot.pdschs.emplace_back();
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// Generate PDSCH
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pdsch_t& pdsch = bwp_pdsch_slot.pdschs.back();
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bwp_pdsch_slot.dl_prbs |= dl_grant;
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srsran_slot_cfg_t slot_cfg;
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bwp_pdsch_slot.pdschs.emplace_back();
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slot_cfg.idx = ue.pdsch_slot.to_uint();
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pdsch_t& pdsch = bwp_pdsch_slot.pdschs.back();
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bool ret = ue.cfg->phy().get_pdsch_cfg(slot_cfg, pdcch.dci, pdsch.sch);
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srsran_slot_cfg_t slot_cfg;
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srsran_assert(ret, "Error converting DCI to grant");
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slot_cfg.idx = ue.pdsch_slot.to_uint();
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pdsch.sch.grant.tb[0].softbuffer.tx = ue.h_dl->get_softbuffer().get();
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bool ret = ue.cfg->phy().get_pdsch_cfg(slot_cfg, pdcch.dci, pdsch.sch);
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pdsch.data[0] = ue.h_dl->get_tx_pdu()->get();
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srsran_assert(ret, "Error converting DCI to grant");
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if (ue.h_dl->nof_retx() == 0) {
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ue.h_dl->set_tbs(pdsch.sch.grant.tb[0].tbs); // update HARQ with correct TBS
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pdsch.sch.grant.tb[0].softbuffer.tx = ue.h_dl->get_softbuffer().get();
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} else {
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pdsch.data[0] = ue.h_dl->get_tx_pdu()->get();
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srsran_assert(pdsch.sch.grant.tb[0].tbs == (int)ue.h_dl->tbs(), "The TBS did not remain constant in retx");
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if (ue.h_dl->nof_retx() == 0) {
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ue.h_dl->set_tbs(pdsch.sch.grant.tb[0].tbs); // update HARQ with correct TBS
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} else {
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srsran_assert(pdsch.sch.grant.tb[0].tbs == (int)ue.h_dl->tbs(), "The TBS did not remain constant in retx");
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}
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if (bwp_pdsch_slot.pdschs.back().sch.grant.tb[0].R < 0.9 or mcs == 0) {
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break;
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}
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// Decrease MCS if rate is too high
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mcs--;
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ue.h_dl->set_tbs(100, mcs);
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bwp_pdsch_slot.pdschs.pop_back();
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bwp_uci_slot.pending_acks.pop_back();
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} while (true);
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if (mcs == 0) {
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logger.warning("Couldn't find mcs that leads to R<0.9");
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}
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}
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return alloc_result::success;
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return alloc_result::success;
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