diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index 28c95e87f7..8a9c5b3f52 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -1144,13 +1144,19 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra BWPSize = type0_PDCCH_CSS_config->num_rbs; } + // Calculate number of symbols + int startSymbolIndex, nrOfSymbols; + const int startSymbolAndLength = pdsch_TimeDomainAllocationList->list.array[time_domain_assignment]->startSymbolAndLength; + SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols); + AssertFatal(startSymbolIndex >= 0, "StartSymbolIndex is negative\n"); + coreset = get_coreset(module_idP, scc, bwp, ss, NR_SearchSpace__searchSpaceType_PR_common); AssertFatal(coreset!=NULL,"Coreset cannot be null for RA-Msg2\n"); uint16_t *vrb_map = cc[CC_id].vrb_map; for (int i = 0; (i < rbSize) && (rbStart <= (BWPSize - rbSize)); i++) { - if (vrb_map[BWPStart + rbStart + i]) { + if (vrb_map[BWPStart + rbStart + i]&(((1<list.array[time_domain_assignment]->startSymbolAndLength; - SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols); - AssertFatal(startSymbolIndex >= 0, "StartSymbolIndex is negative\n"); - LOG_D(NR_MAC,"Msg2 startSymbolIndex.nrOfSymbols %d.%d\n",startSymbolIndex,nrOfSymbols); int mappingtype = pdsch_TimeDomainAllocationList->list.array[time_domain_assignment]->mappingType; @@ -1362,9 +1362,9 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra nr_mac->TX_req[CC_id].Number_of_PDUs++; nr_mac->TX_req[CC_id].Slot = slotP; - // Mark the corresponding RBs as used + // Mark the corresponding symbols RBs as used for (int rb = 0; rb < rbSize; rb++) { - vrb_map[BWPStart + rb + rbStart] = 1; + vrb_map[BWPStart + rb + rbStart] = ((1<state = WAIT_Msg3; @@ -1547,7 +1547,7 @@ void nr_generate_Msg4(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra int i = 0; while ((i < rbSize) && (rbStart + rbSize <= BWPSize)) { - if (vrb_map[BWPStart + rbStart + i]) { + if (vrb_map[BWPStart + rbStart + i]&(((1<TX_req[CC_id].Number_of_PDUs++; nr_mac->TX_req[CC_id].Slot = slotP; - // Mark the corresponding RBs as used + // Mark the corresponding symbols and RBs as used for (int rb = 0; rb < pdsch_pdu_rel15->rbSize; rb++) { - vrb_map[BWPStart + rb + pdsch_pdu_rel15->rbStart] = 1; + vrb_map[BWPStart + rb + pdsch_pdu_rel15->rbStart] = ((1<BWPSize); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c index df25b085e6..7f7a202fc4 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c @@ -384,7 +384,7 @@ uint32_t schedule_control_sib1(module_id_t module_id, int rbSize = 0; uint32_t TBS = 0; do { - if(rbSize < bwpSize && !vrb_map[rbStart + rbSize]) + if(rbSize < bwpSize && !(vrb_map[rbStart + rbSize]&(((1<sched_ctrlCommon->sched_pdsch.mcs<10) @@ -411,10 +411,9 @@ uint32_t schedule_control_sib1(module_id_t module_id, LOG_D(MAC,"dmrs_length %d\n",dmrs_length); LOG_D(MAC,"N_PRB_DMRS = %d\n",N_PRB_DMRS); LOG_D(MAC,"mappingtype = %d\n", mappingtype); - // Mark the corresponding RBs as used for (int rb = 0; rb < gNB_mac->sched_ctrlCommon->sched_pdsch.rbSize; rb++) { - vrb_map[rb + rbStart] = 1; + vrb_map[rb + rbStart] = ((1<rbSize) { rbStart += rbSize; /* last iteration rbSize was not enough, skip it */ rbSize = 0; - while (rbStart < bwpSize && !rballoc_mask[rbStart]) + while (rbStart < bwpSize && + !(rballoc_mask[rbStart]&(((1<nrOfSymbols)-1)<startSymbolIndex))) rbStart++; if (rbStart >= bwpSize) { LOG_D(NR_MAC, "cannot allocate retransmission for UE %d/RNTI %04x: no resources\n", UE_id, UE_info->rnti[UE_id]); return false; } - while (rbStart + rbSize < bwpSize && rballoc_mask[rbStart + rbSize] && rbSize < retInfo->rbSize) + while (rbStart + rbSize < bwpSize && + (rballoc_mask[rbStart + rbSize]&(((1<nrOfSymbols)-1)<startSymbolIndex)) && + rbSize < retInfo->rbSize) rbSize++; } /* check whether we need to switch the TDA allocation since the last @@ -577,13 +580,15 @@ bool allocate_dl_retransmission(module_id_t module_id, } else { /* the retransmission will use a different time domain allocation, check * that we have enough resources */ - while (rbStart < bwpSize && !rballoc_mask[rbStart]) - rbStart++; - while (rbStart + rbSize < bwpSize && rballoc_mask[rbStart + rbSize]) - rbSize++; NR_pdsch_semi_static_t temp_ps; temp_ps.nrOfLayers = 1; nr_set_pdsch_semi_static(scc, cg, sched_ctrl->active_bwp, bwpd, tda, f, &temp_ps); + while (rbStart < bwpSize && + !(rballoc_mask[rbStart]&(((1<nrOfSymbols)-1)<startSymbolIndex))) + rbStart++; + while (rbStart + rbSize < bwpSize && + (rballoc_mask[rbStart + rbSize]&(((1<nrOfSymbols)-1)<startSymbolIndex))) + rbSize++; uint32_t new_tbs; uint16_t new_rbSize; bool success = nr_find_nb_rb(retInfo->Qm, @@ -642,7 +647,7 @@ bool allocate_dl_retransmission(module_id_t module_id, /* retransmissions: directly allocate */ *n_rb_sched -= sched_ctrl->sched_pdsch.rbSize; for (int rb = 0; rb < sched_ctrl->sched_pdsch.rbSize; rb++) - rballoc_mask[rb + sched_ctrl->sched_pdsch.rbStart] = 0; + rballoc_mask[rb + sched_ctrl->sched_pdsch.rbStart] -= (((1<nrOfSymbols)-1)<startSymbolIndex); return true; } @@ -655,7 +660,7 @@ void pf_dl(module_id_t module_id, NR_list_t *UE_list, int max_num_ue, int n_rb_sched, - uint8_t *rballoc_mask) { + uint16_t *rballoc_mask) { gNB_MAC_INST *mac = RC.nrmac[module_id]; NR_UE_info_t *UE_info = &mac->UE_info; @@ -769,13 +774,6 @@ void pf_dl(module_id_t module_id, return; } - // Freq-demain allocation - while (rbStart < bwpSize && !rballoc_mask[rbStart]) rbStart++; - - uint16_t max_rbSize = 1; - while (rbStart + max_rbSize < bwpSize && rballoc_mask[rbStart + max_rbSize]) - max_rbSize++; - /* MCS has been set above */ const int tda = RC.nrmac[module_id]->preferred_dl_tda[sched_ctrl->active_bwp ? sched_ctrl->active_bwp->bwp_Id : 0][slot]; @@ -785,6 +783,17 @@ void pf_dl(module_id_t module_id, const long f = (sched_ctrl->active_bwp || bwpd) ? 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, bwpd, tda, f, ps); + + // Freq-demain allocation + while (rbStart < bwpSize && + !(rballoc_mask[rbStart]&(((1<nrOfSymbols)-1)<startSymbolIndex))) + rbStart++; + + uint16_t max_rbSize = 1; + while (rbStart + max_rbSize < bwpSize && + (rballoc_mask[rbStart + max_rbSize]&(((1<nrOfSymbols)-1)<startSymbolIndex))) + max_rbSize++; + 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; @@ -806,7 +815,7 @@ void pf_dl(module_id_t module_id, /* transmissions: directly allocate */ n_rb_sched -= sched_pdsch->rbSize; for (int rb = 0; rb < sched_pdsch->rbSize; rb++) - rballoc_mask[rb + sched_pdsch->rbStart] = 0; + rballoc_mask[rb + sched_pdsch->rbStart] -= (((1<nrOfSymbols)-1)<startSymbolIndex); } } @@ -819,9 +828,18 @@ void nr_fr1_dlsch_preprocessor(module_id_t module_id, frame_t frame, sub_frame_t NR_ServingCellConfigCommon_t *scc = RC.nrmac[module_id]->common_channels[0].ServingCellConfigCommon; const int CC_id = 0; - /* Get bwpSize from the first UE */ + /* Get bwpSize and TDAfrom the first UE */ + /* This is temporary and it assumes all UEs have the same BWP and TDA*/ int UE_id = UE_info->list.head; NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; + const int tda = RC.nrmac[module_id]->preferred_dl_tda[sched_ctrl->active_bwp ? sched_ctrl->active_bwp->bwp_Id : 0][slot]; + int startSymbolIndex, nrOfSymbols; + const struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList = sched_ctrl->active_bwp ? + sched_ctrl->active_bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList : + scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList; + AssertFatal(tda < tdaList->list.count, "time_domain_allocation %d>=%d\n", tda, tdaList->list.count); + const int startSymbolAndLength = tdaList->list.array[tda]->startSymbolAndLength; + SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols); const uint16_t bwpSize = NRRIV2BW(sched_ctrl->active_bwp ? sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth: @@ -833,13 +851,16 @@ void nr_fr1_dlsch_preprocessor(module_id_t module_id, frame_t frame, sub_frame_t MAX_BWP_SIZE); uint16_t *vrb_map = RC.nrmac[module_id]->common_channels[CC_id].vrb_map; - uint8_t rballoc_mask[bwpSize]; + uint16_t rballoc_mask[bwpSize]; int n_rb_sched = 0; for (int i = 0; i < bwpSize; i++) { // calculate mask: init with "NOT" vrb_map: // if any RB in vrb_map is blocked (1), the current RBG will be 0 - rballoc_mask[i] = !vrb_map[i+BWPStart]; - n_rb_sched += rballoc_mask[i]; + rballoc_mask[i] = (~vrb_map[i+BWPStart])&0x3fff; //bitwise not and 14 symbols + // if all the pdsch symbols are free + if((rballoc_mask[i]&(((1<UE_sched_ctrl[UE_id]; + const int tda = sched_ctrl->active_bwp ? RC.nrmac[module_id]->preferred_dl_tda[sched_ctrl->active_bwp->bwp_Id][slot] : 1; + const long f = sched_ctrl->active_bwp ? sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats : 0; + NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static; + ps->nrOfLayers = target_dl_Nl; + if (ps->time_domain_allocation != tda) + nr_set_pdsch_semi_static( + scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, NULL, tda, f, ps); + /* find largest unallocated chunk */ const int bwpSize = NRRIV2BW(sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); const int BWPStart = NRRIV2PRBOFFSET(sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); @@ -289,11 +297,14 @@ void nr_preprocessor_phytest(module_id_t module_id, /* loop ensures that we allocate exactly target_dl_bw, or return */ while (true) { /* advance to first free RB */ - while (rbStart < bwpSize && vrb_map[rbStart + BWPStart]) + while (rbStart < bwpSize && + (vrb_map[rbStart + BWPStart]&(((1<nrOfSymbols)-1)<startSymbolIndex))) rbStart++; rbSize = 1; /* iterate until we are at target_dl_bw or no available RBs */ - while (rbStart + rbSize < bwpSize && !vrb_map[rbStart + rbSize + BWPStart] && rbSize < target_dl_bw) + while (rbStart + rbSize < bwpSize && + !(vrb_map[rbStart + rbSize + BWPStart]&(((1<nrOfSymbols)-1)<startSymbolIndex)) && + rbSize < target_dl_bw) rbSize++; /* found target_dl_bw? */ if (rbSize == target_dl_bw) @@ -369,16 +380,9 @@ void nr_preprocessor_phytest(module_id_t module_id, // rnti, frame, slot); NR_sched_pdsch_t *sched_pdsch = &sched_ctrl->sched_pdsch; - NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static; sched_pdsch->pucch_allocation = alloc; sched_pdsch->rbStart = rbStart; sched_pdsch->rbSize = rbSize; - const int tda = sched_ctrl->active_bwp ? RC.nrmac[module_id]->preferred_dl_tda[sched_ctrl->active_bwp->bwp_Id][slot] : 1; - const long f = sched_ctrl->active_bwp ? sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats : 0; - ps->nrOfLayers = target_dl_Nl; - if (ps->time_domain_allocation != tda) - nr_set_pdsch_semi_static( - scc, UE_info->CellGroup[UE_id], sched_ctrl->active_bwp, NULL, tda, f, ps); sched_pdsch->mcs = target_dl_mcs; sched_pdsch->Qm = nr_get_Qm_dl(sched_pdsch->mcs, ps->mcsTableIdx); @@ -398,7 +402,7 @@ void nr_preprocessor_phytest(module_id_t module_id, /* mark the corresponding RBs as used */ for (int rb = 0; rb < sched_pdsch->rbSize; rb++) - vrb_map[rb + sched_pdsch->rbStart + BWPStart] = 1; + vrb_map[rb + sched_pdsch->rbStart + BWPStart] = ((1<nrOfSymbols)-1)<startSymbolIndex; if ((frame&127) == 0) LOG_D(MAC,"phytest: %d.%d DL mcs %d, DL rbStart %d, DL rbSize %d\n", frame, slot, sched_pdsch->mcs, rbStart,rbSize); }