diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index 03abcbfd0c..7b39e0eabd 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -590,6 +590,7 @@ static bool allocate_dl_retransmission(module_id_t module_id, typedef struct UEsched_s { float coef; NR_UE_info_t * UE; + int selected_mcs; } UEsched_t; static int comparator(const void *p, const void *q) @@ -686,17 +687,16 @@ static void pf_dl(module_id_t module_id, const NR_bler_options_t *bo = &mac->dl_bler; const int max_mcs_table = current_BWP->mcsTableIdx == 1 ? 27 : 28; const int max_mcs = min(sched_ctrl->dl_max_mcs, max_mcs_table); + int selected_mcs; if (bo->harq_round_max == 1) { int new_mcs = min(bo->max_mcs, max_mcs); - sched_pdsch->mcs = max(bo->min_mcs, new_mcs); - sched_ctrl->dl_bler_stats.mcs = sched_pdsch->mcs; + selected_mcs = max(bo->min_mcs, new_mcs); + sched_ctrl->dl_bler_stats.mcs = selected_mcs; } else - sched_pdsch->mcs = get_mcs_from_bler(bo, stats, &sched_ctrl->dl_bler_stats, max_mcs, frame); - sched_pdsch->nrOfLayers = get_dl_nrOfLayers(sched_ctrl, current_BWP->dci_format); - sched_pdsch->pm_index = - get_pm_index(mac, UE, current_BWP->dci_format, sched_pdsch->nrOfLayers, mac->radio_config.pdsch_AntennaPorts.XP); - const uint8_t Qm = nr_get_Qm_dl(sched_pdsch->mcs, current_BWP->mcsTableIdx); - const uint16_t R = nr_get_code_rate_dl(sched_pdsch->mcs, current_BWP->mcsTableIdx); + selected_mcs = get_mcs_from_bler(bo, stats, &sched_ctrl->dl_bler_stats, max_mcs, frame); + int l = get_dl_nrOfLayers(sched_ctrl, current_BWP->dci_format); + const uint8_t Qm = nr_get_Qm_dl(selected_mcs, current_BWP->mcsTableIdx); + const uint16_t R = nr_get_code_rate_dl(selected_mcs, current_BWP->mcsTableIdx); uint32_t tbs = nr_compute_tbs(Qm, R, 1, /* rbSize */ @@ -704,7 +704,7 @@ static void pf_dl(module_id_t module_id, 0, /* N_PRB_DMRS * N_DMRS_SLOT */ 0 /* N_PRB_oh, 0 for initialBWP */, 0 /* tb_scaling */, - sched_pdsch->nrOfLayers) >> 3; + l) >> 3; float coeff_ue = (float) tbs / UE->dl_thr_ue; LOG_D(NR_MAC, "[UE %04x][%4d.%2d] b %d, thr_ue %f, tbs %d, coeff_ue %f\n", UE->rnti, @@ -717,6 +717,7 @@ static void pf_dl(module_id_t module_id, /* Create UE_sched list for UEs eligible for new transmission*/ UE_sched[numUE].coef = coeff_ue; UE_sched[numUE].UE = UE; + UE_sched[numUE].selected_mcs = selected_mcs; numUE++; } } @@ -843,6 +844,10 @@ static void pf_dl(module_id_t module_id, sched_ctrl->cce_index = CCEIndex; fill_pdcch_vrb_map(mac, CC_id, &sched_ctrl->sched_pdcch, CCEIndex, sched_ctrl->aggregation_level, beam.idx); + int l = get_dl_nrOfLayers(sched_ctrl, dl_bwp->dci_format); + sched_pdsch->nrOfLayers = l; + sched_pdsch->mcs = iterator->selected_mcs; + sched_pdsch->pm_index = get_pm_index(mac, iterator->UE, dl_bwp->dci_format, l, mac->radio_config.pdsch_AntennaPorts.XP); sched_pdsch->dmrs_parms = get_dl_dmrs_params(scc, dl_bwp, tda_info, sched_pdsch->nrOfLayers); sched_pdsch->Qm = nr_get_Qm_dl(sched_pdsch->mcs, dl_bwp->mcsTableIdx); sched_pdsch->R = nr_get_code_rate_dl(sched_pdsch->mcs, dl_bwp->mcsTableIdx);