From aa431f353f0cc239e60976f1e4c8e3999b4b2f1b Mon Sep 17 00:00:00 2001 From: francescomani <francesco.mani@eurecom.fr> Date: Tue, 7 Sep 2021 15:13:10 +0200 Subject: [PATCH] new attempt to fix cdm both for sa and mimo --- .../LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c | 19 +++++++------------ .../NR_MAC_gNB/gNB_scheduler_primitives.c | 11 ++++++----- openair2/LAYER2/NR_MAC_gNB/mac_proto.h | 2 +- 3 files changed, 14 insertions(+), 18 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index 1736d68e65..ded1f3526d 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -455,9 +455,7 @@ bool allocate_dl_retransmission(module_id_t module_id, int rbStart = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth, MAX_BWP_SIZE); NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static; - const long f = sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats; - const uint8_t num_dmrs_cdm_grps_no_data = sched_ctrl->active_bwp ? (f ? 1 : (ps->nrOfSymbols == 2 ? 1 : 2)) : (ps->nrOfSymbols == 2 ? 1 : 2); - + const long f = sched_ctrl->active_bwp ? sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats : 0; int rbSize = 0; const int tda = sched_ctrl->active_bwp ? RC.nrmac[module_id]->preferred_dl_tda[sched_ctrl->active_bwp->bwp_Id][slot] : 1; if (tda == retInfo->time_domain_allocation) { @@ -476,9 +474,8 @@ bool allocate_dl_retransmission(module_id_t module_id, } /* check whether we need to switch the TDA allocation since the last * (re-)transmission */ - if (ps->time_domain_allocation != tda || ps->numDmrsCdmGrpsNoData != num_dmrs_cdm_grps_no_data) - nr_set_pdsch_semi_static( - scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, tda, num_dmrs_cdm_grps_no_data, ps); + if (ps->time_domain_allocation != tda) + nr_set_pdsch_semi_static(scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, tda, f, ps); } else { /* the retransmission will use a different time domain allocation, check * that we have enough resources */ @@ -488,7 +485,7 @@ bool allocate_dl_retransmission(module_id_t module_id, rbSize++; NR_pdsch_semi_static_t temp_ps; temp_ps.nrOfLayers = 1; - nr_set_pdsch_semi_static(scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, tda, num_dmrs_cdm_grps_no_data, &temp_ps); + nr_set_pdsch_semi_static(scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, tda, f, &temp_ps); uint32_t new_tbs; uint16_t new_rbSize; bool success = nr_find_nb_rb(retInfo->Qm, @@ -683,11 +680,9 @@ void pf_dl(module_id_t module_id, const int tda = sched_ctrl->active_bwp ? RC.nrmac[module_id]->preferred_dl_tda[sched_ctrl->active_bwp->bwp_Id][slot] : 1; NR_sched_pdsch_t *sched_pdsch = &sched_ctrl->sched_pdsch; NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static; - const long f = sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats; - const uint8_t num_dmrs_cdm_grps_no_data = sched_ctrl->active_bwp ? (f ? 1 : (ps->nrOfSymbols == 2 ? 1 : 2)) : (ps->nrOfSymbols == 2 ? 1 : 2); - if (ps->time_domain_allocation != tda || ps->numDmrsCdmGrpsNoData != num_dmrs_cdm_grps_no_data) - nr_set_pdsch_semi_static( - scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, tda, num_dmrs_cdm_grps_no_data, ps); + const long f = sched_ctrl->active_bwp ? sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats : 0; + if (ps->time_domain_allocation != tda) + nr_set_pdsch_semi_static(scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, tda, f, ps); sched_pdsch->Qm = nr_get_Qm_dl(sched_pdsch->mcs, ps->mcsTableIdx); sched_pdsch->R = nr_get_code_rate_dl(sched_pdsch->mcs, ps->mcsTableIdx); sched_pdsch->pucch_allocation = alloc; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 49c7af33f5..bbd4cb62f3 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -299,7 +299,7 @@ void nr_set_pdsch_semi_static(const NR_ServingCellConfigCommon_t *scc, const NR_CellGroupConfig_t *secondaryCellGroup, const NR_BWP_Downlink_t *bwp, int tda, - uint8_t num_dmrs_cdm_grps_no_data, + const long dci_format, NR_pdsch_semi_static_t *ps) { ps->time_domain_allocation = tda; @@ -325,12 +325,13 @@ void nr_set_pdsch_semi_static(const NR_ServingCellConfigCommon_t *scc, } else ps->mcsTableIdx = 0; - set_dl_dmrs_ports(ps); + if(dci_format == 0) // format 1_0 + ps->numDmrsCdmGrpsNoData = (ps->nrOfSymbols == 2 ? 1 : 2); + else + set_dl_dmrs_ports(ps); ps->dmrsConfigType = bwp!=NULL ? (bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1) : 0; - // if no data in dmrs cdm group is 1 only even REs have no data - // if no data in dmrs cdm group is 2 both odd and even REs have no data - ps->N_PRB_DMRS = num_dmrs_cdm_grps_no_data * (ps->dmrsConfigType == NFAPI_NR_DMRS_TYPE1 ? 6 : 4); + ps->N_PRB_DMRS = ps->numDmrsCdmGrpsNoData * (ps->dmrsConfigType == NFAPI_NR_DMRS_TYPE1 ? 6 : 4); ps->dl_dmrs_symb_pos = fill_dmrs_mask(bwp ? bwp->bwp_Dedicated->pdsch_Config->choice.setup : NULL, scc->dmrs_TypeA_Position, ps->nrOfSymbols, ps->startSymbolIndex, mapping_type); ps->N_DMRS_SLOT = get_num_dmrs(ps->dl_dmrs_symb_pos); } diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index 55ec901e28..9149c37538 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -280,7 +280,7 @@ void nr_set_pdsch_semi_static(const NR_ServingCellConfigCommon_t *scc, const NR_CellGroupConfig_t *secondaryCellGroup, const NR_BWP_Downlink_t *bwp, int tda, - uint8_t num_dmrs_cdm_grps_no_data, + const long dci_format, NR_pdsch_semi_static_t *ps); void nr_set_pusch_semi_static(const NR_ServingCellConfigCommon_t *scc, -- 2.26.2