diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c index 72e8d11be6..affa7fd803 100644 --- a/openair1/SIMULATION/NR_PHY/dlsim.c +++ b/openair1/SIMULATION/NR_PHY/dlsim.c @@ -1038,8 +1038,6 @@ int main(int argc, char **argv) while ((roundack==0)) { - memset(RC.nrmac[0]->cce_list[0],0,MAX_NUM_CCE*sizeof(int)); - memset(RC.nrmac[0]->cce_list[1],0,MAX_NUM_CCE*sizeof(int)); clear_nr_nfapi_information(RC.nrmac[0], 0, frame, slot); UE_info->UE_sched_ctrl[0].harq_processes[harq_pid].ndi = !(trial&1); @@ -1047,7 +1045,7 @@ int main(int argc, char **argv) UE_info->UE_sched_ctrl[0].harq_processes[harq_pid].round = round; for (int i=0; iUE_info.num_pdcch_cand[0][i] = 0; + gNB_mac->UE_info.pdcch_cand[i] = 0; if (css_flag == 0) { nr_schedule_ue_spec(0, frame, slot); diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c index cedd095794..a99f08b641 100644 --- a/openair2/LAYER2/NR_MAC_gNB/config.c +++ b/openair2/LAYER2/NR_MAC_gNB/config.c @@ -535,7 +535,6 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP, if (CellGroup) { const NR_ServingCellConfig_t *servingCellConfig = CellGroup->spCellConfig->spCellConfigDedicated; - const struct NR_ServingCellConfig__downlinkBWP_ToAddModList *bwpList = servingCellConfig->downlinkBWP_ToAddModList; if(bwpList) { AssertFatal(bwpList->list.count > 0, "downlinkBWP_ToAddModList has no BWPs!\n"); @@ -605,6 +604,7 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP, } LOG_I(NR_MAC,"Added new RA process for UE RNTI %04x with initial CellGroup\n", rnti); } else { // CellGroup has been updated + NR_ServingCellConfigCommon_t *scc = RC.nrmac[Mod_idP]->common_channels[0].ServingCellConfigCommon; const int UE_id = find_nr_UE_id(Mod_idP,rnti); int target_ss; UE_info->CellGroup[UE_id] = CellGroup; @@ -612,19 +612,28 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP, process_CellGroup(CellGroup,&UE_info->UE_sched_ctrl[UE_id]); // update coreset/searchspace void *bwpd = NULL; + NR_BWP_t *genericParameters = NULL; target_ss = NR_SearchSpace__searchSpaceType_PR_common; if ((UE_info->UE_sched_ctrl[UE_id].active_bwp)) { target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific; bwpd = (void*)UE_info->UE_sched_ctrl[UE_id].active_bwp->bwp_Dedicated; + genericParameters = &UE_info->UE_sched_ctrl[UE_id].active_bwp->bwp_Common->genericParameters; } else if (CellGroup->spCellConfig && CellGroup->spCellConfig->spCellConfigDedicated && (CellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP)) { target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific; bwpd = (void*)CellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP; + genericParameters = &scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters; } UE_info->UE_sched_ctrl[UE_id].search_space = get_searchspace(scc, bwpd, target_ss); UE_info->UE_sched_ctrl[UE_id].coreset = get_coreset(Mod_idP, scc, bwpd, UE_info->UE_sched_ctrl[UE_id].search_space, target_ss); + UE_info->UE_sched_ctrl[UE_id].sched_pdcch = set_pdcch_structure(RC.nrmac[Mod_idP], + UE_info->UE_sched_ctrl[UE_id].search_space, + UE_info->UE_sched_ctrl[UE_id].coreset, + scc, + genericParameters, + NULL); UE_info->UE_sched_ctrl[UE_id].maxL = 2; } } diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c index c4e1fbff96..1fd6417214 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c @@ -306,12 +306,8 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP, nr_rrc_trigger(&ctxt, 0 /*CC_id*/, frame, slot >> *scc->ssbSubcarrierSpacing); } - memset(RC.nrmac[module_idP]->cce_list[0],0,MAX_NUM_CCE*sizeof(int)); // coreset0 - memset(RC.nrmac[module_idP]->cce_list[1],0,MAX_NUM_CCE*sizeof(int)); // coreset1 - NR_UE_info_t *UE_info = &RC.nrmac[module_idP]->UE_info; - for (int UE_id = UE_info->list.head; UE_id >= 0; UE_id = UE_info->list.next[UE_id]) - for (int i=0; inum_pdcch_cand[UE_id][i] = 0; + for (int i=0; ipdcch_cand[i] = 0; for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) { //mbsfn_status[CC_id] = 0; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index 8a9c5b3f52..e5b96ccaa5 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -581,12 +581,15 @@ void nr_initiate_ra_proc(module_id_t module_idP, NR_SearchSpaceId_t ra_SearchSpace = 0; struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = NULL; + NR_BWP_t *genericParameters = NULL; if(bwp) { commonSearchSpaceList = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList; ra_SearchSpace = *bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->ra_SearchSpace; + genericParameters = &bwp->bwp_Common->genericParameters; } else { commonSearchSpaceList = scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList; ra_SearchSpace = *scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->ra_SearchSpace; + genericParameters = &scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters; } AssertFatal(commonSearchSpaceList->list.count > 0, "common SearchSpace list has 0 elements\n"); @@ -599,6 +602,14 @@ void nr_initiate_ra_proc(module_id_t module_idP, AssertFatal(ra->ra_ss!=NULL,"SearchSpace cannot be null for RA\n"); + ra->coreset = get_coreset(module_idP, scc, bwp, ra->ra_ss, NR_SearchSpace__searchSpaceType_PR_common); + ra->sched_pdcch = set_pdcch_structure(nr_mac, + ra->ra_ss, + ra->coreset, + scc, + genericParameters, + NULL); + // retrieving ra pdcch monitoring period and offset find_monitoring_periodicity_offset_common(ra->ra_ss, &monitoring_slot_period, &monitoring_offset); @@ -774,7 +785,7 @@ void nr_generate_Msg3_retransmission(module_id_t module_idP, int CC_id, frame_t // generation of DCI 0_0 to schedule msg3 retransmission NR_SearchSpace_t *ss = ra->ra_ss; - NR_ControlResourceSet_t *coreset = get_coreset(module_idP, scc, NULL, ss, NR_SearchSpace__searchSpaceType_PR_common); + NR_ControlResourceSet_t *coreset = ra->coreset; AssertFatal(coreset!=NULL,"Coreset cannot be null for RA-Msg3 retransmission\n"); nfapi_nr_ul_dci_request_t *ul_dci_req = &nr_mac->UL_dci_req[CC_id]; @@ -788,7 +799,7 @@ void nr_generate_Msg3_retransmission(module_id_t module_idP, int CC_id, frame_t ul_dci_request_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu)); pdcch_pdu_rel15 = &ul_dci_request_pdu->pdcch_pdu.pdcch_pdu_rel15; ul_dci_req->numPdus += 1; - nr_configure_pdcch(nr_mac, pdcch_pdu_rel15, ss, coreset, scc, genericParameters, NULL); + nr_configure_pdcch(pdcch_pdu_rel15, coreset, genericParameters, ra->sched_pdcch); nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu_rel15; } @@ -800,7 +811,13 @@ void nr_generate_Msg3_retransmission(module_id_t module_idP, int CC_id, frame_t if(nr_of_candidates>0) break; } AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); - int CCEIndex = allocate_nr_CCEs(nr_mac, NULL, coreset, aggregation_level, 0, 0, nr_of_candidates); + int CCEIndex = find_pdcch_candidate(nr_mac, + CC_id, + aggregation_level, + nr_of_candidates, + ra->sched_pdcch, + coreset, + 0); if (CCEIndex < 0) { LOG_E(NR_MAC, "%s(): cannot find free CCE for RA RNTI %04x!\n", __func__, ra->rnti); return; @@ -841,6 +858,13 @@ void nr_generate_Msg3_retransmission(module_id_t module_idP, int CC_id, frame_t ra->bwp_id); // Mark the corresponding RBs as used + + fill_pdcch_vrb_map(nr_mac, + CC_id, + ra->sched_pdcch, + CCEIndex, + aggregation_level); + for (int rb = 0; rb < ra->msg3_nb_rb; rb++) { vrb_map_UL[rbStart + BWPStart + rb] = 1; } @@ -1150,7 +1174,7 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols); AssertFatal(startSymbolIndex >= 0, "StartSymbolIndex is negative\n"); - coreset = get_coreset(module_idP, scc, bwp, ss, NR_SearchSpace__searchSpaceType_PR_common); + coreset = ra->coreset; AssertFatal(coreset!=NULL,"Coreset cannot be null for RA-Msg2\n"); @@ -1182,7 +1206,15 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra if(nr_of_candidates>0) break; } AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); - int CCEIndex = allocate_nr_CCEs(nr_mac, bwp, coreset, aggregation_level,0,0,nr_of_candidates); + + int CCEIndex = find_pdcch_candidate(nr_mac, + CC_id, + aggregation_level, + nr_of_candidates, + ra->sched_pdcch, + coreset, + 0); + if (CCEIndex < 0) { LOG_E(NR_MAC, "%s(): cannot find free CCE for RA RNTI %04x!\n", __func__, ra->rnti); return; @@ -1204,7 +1236,7 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2 + sizeof(nfapi_nr_dl_tti_pdcch_pdu)); dl_req->nPDUs += 1; pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15; - nr_configure_pdcch(nr_mac, pdcch_pdu_rel15, ss, coreset, scc, genericParameters, NULL); + nr_configure_pdcch(pdcch_pdu_rel15, coreset, genericParameters, ra->sched_pdcch); nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu_rel15; } @@ -1363,6 +1395,11 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra nr_mac->TX_req[CC_id].Slot = slotP; // Mark the corresponding symbols RBs as used + fill_pdcch_vrb_map(nr_mac, + CC_id, + ra->sched_pdcch, + CCEIndex, + aggregation_level); for (int rb = 0; rb < rbSize; rb++) { vrb_map[BWPStart + rb + rbStart] = ((1<downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList; } - coreset = get_coreset(module_idP, scc, bwp, ss, NR_SearchSpace__searchSpaceType_PR_common); + coreset = ra->coreset; AssertFatal(coreset!=NULL,"Coreset cannot be null for RA-Msg4\n"); @@ -1447,7 +1484,15 @@ void nr_generate_Msg4(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra if(nr_of_candidates>0) break; } AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); - int CCEIndex = allocate_nr_CCEs(nr_mac, bwp, coreset, aggregation_level,0,0,nr_of_candidates); + + int CCEIndex = find_pdcch_candidate(nr_mac, + CC_id, + aggregation_level, + nr_of_candidates, + ra->sched_pdcch, + coreset, + 0); + if (CCEIndex < 0) { LOG_E(NR_MAC, "%s(): cannot find free CCE for RA RNTI %04x!\n", __func__, ra->rnti); return; @@ -1580,7 +1625,7 @@ void nr_generate_Msg4(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2 + sizeof(nfapi_nr_dl_tti_pdcch_pdu)); dl_req->nPDUs += 1; pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15; - nr_configure_pdcch(nr_mac, pdcch_pdu_rel15, ss, coreset, scc, genericParameters, NULL); + nr_configure_pdcch(pdcch_pdu_rel15, coreset, genericParameters, ra->sched_pdcch); nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu_rel15; } @@ -1722,6 +1767,11 @@ void nr_generate_Msg4(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra nr_mac->TX_req[CC_id].Slot = slotP; // Mark the corresponding symbols and RBs as used + fill_pdcch_vrb_map(nr_mac, + CC_id, + ra->sched_pdcch, + CCEIndex, + aggregation_level); for (int rb = 0; rb < pdsch_pdu_rel15->rbSize; rb++) { vrb_map[BWPStart + rb + pdsch_pdu_rel15->rbStart] = ((1<common_channels[CC_id].vrb_map; + NR_COMMON_channels_t *cc = &gNB_mac->common_channels[CC_id]; + NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon; + uint16_t *vrb_map = cc->vrb_map; if (gNB_mac->sched_ctrlCommon == NULL){ LOG_D(NR_MAC,"schedule_control_common: Filling nr_mac->sched_ctrlCommon\n"); @@ -340,6 +342,12 @@ uint32_t schedule_control_sib1(module_id_t module_id, fill_coresetZero(gNB_mac->sched_ctrlCommon->coreset,type0_PDCCH_CSS_config); gNB_mac->cset0_bwp_start = type0_PDCCH_CSS_config->cset_start_rb; gNB_mac->cset0_bwp_size = type0_PDCCH_CSS_config->num_rbs; + gNB_mac->sched_ctrlCommon->sched_pdcch = set_pdcch_structure(NULL, + gNB_mac->sched_ctrlCommon->search_space, + gNB_mac->sched_ctrlCommon->coreset, + scc, + NULL, + type0_PDCCH_CSS_config); } gNB_mac->sched_ctrlCommon->pdsch_semi_static.time_domain_allocation = time_domain_allocation; @@ -354,13 +362,13 @@ uint32_t schedule_control_sib1(module_id_t module_id, if (nr_of_candidates>0) break; // choosing the lower value of aggregation level available } AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); - gNB_mac->sched_ctrlCommon->cce_index = allocate_nr_CCEs(RC.nrmac[module_id], - NULL, - gNB_mac->sched_ctrlCommon->coreset, - gNB_mac->sched_ctrlCommon->aggregation_level, - 0, - candidate_idx, - nr_of_candidates); + gNB_mac->sched_ctrlCommon->cce_index = find_pdcch_candidate(gNB_mac, + CC_id, + gNB_mac->sched_ctrlCommon->aggregation_level, + nr_of_candidates, + gNB_mac->sched_ctrlCommon->sched_pdcch, + gNB_mac->sched_ctrlCommon->coreset, + 0); AssertFatal(gNB_mac->sched_ctrlCommon->cce_index >= 0, "Could not find CCE for coreset0\n"); @@ -412,6 +420,11 @@ uint32_t schedule_control_sib1(module_id_t module_id, LOG_D(MAC,"N_PRB_DMRS = %d\n",N_PRB_DMRS); LOG_D(MAC,"mappingtype = %d\n", mappingtype); // Mark the corresponding RBs as used + fill_pdcch_vrb_map(gNB_mac, + CC_id, + gNB_mac->sched_ctrlCommon->sched_pdcch, + gNB_mac->sched_ctrlCommon->cce_index, + gNB_mac->sched_ctrlCommon->aggregation_level); for (int rb = 0; rb < gNB_mac->sched_ctrlCommon->sched_pdsch.rbSize; rb++) { vrb_map[rb + rbStart] = ((1<PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu)); dl_req->nPDUs += 1; nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15; - nr_configure_pdcch(NULL, - pdcch_pdu_rel15, - gNB_mac->sched_ctrlCommon->search_space, + nr_configure_pdcch(pdcch_pdu_rel15, gNB_mac->sched_ctrlCommon->coreset, - scc, NULL, - type0_PDCCH_CSS_config); + gNB_mac->sched_ctrlCommon->sched_pdcch); nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs]; memset((void*)dl_tti_pdsch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t)); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index 30724db595..fd07b66bf6 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -612,8 +612,27 @@ bool allocate_dl_retransmission(module_id_t module_id, } /* Find a free CCE */ - bool freeCCE = find_free_CCE(module_id, slot, UE_id); - if (!freeCCE) { + const int cid = sched_ctrl->coreset->controlResourceSetId; + const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + uint8_t nr_of_candidates; + for (int i=0; i<5; i++) { + // for now taking the lowest value among the available aggregation levels + find_aggregation_candidates(&sched_ctrl->aggregation_level, + &nr_of_candidates, + sched_ctrl->search_space, + 1<0) break; + } + + int CCEIndex = find_pdcch_candidate(RC.nrmac[module_id], + /* CC_id = */ 0, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + + if (CCEIndex<0) { LOG_D(MAC, "%4d.%2d could not find CCE for DL DCI retransmission UE %d/RNTI %04x\n", frame, slot, UE_id, UE_info->rnti[UE_id]); return false; @@ -630,14 +649,18 @@ bool allocate_dl_retransmission(module_id_t module_id, UE_info->rnti[UE_id], frame, slot); - int cid = sched_ctrl->coreset->controlResourceSetId; - UE_info->num_pdcch_cand[UE_id][cid]--; - int *cce_list = RC.nrmac[module_id]->cce_list[cid]; - for (int i = 0; i < sched_ctrl->aggregation_level; i++) - cce_list[sched_ctrl->cce_index + i] = 0; + RC.nrmac[module_id]->pdcch_cand[cid]--; return false; } + sched_ctrl->cce_index = CCEIndex; + + fill_pdcch_vrb_map(RC.nrmac[module_id], + /* CC_id = */ 0, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + /* just reuse from previous scheduling opportunity, set new start RB */ sched_ctrl->sched_pdsch = *retInfo; sched_ctrl->sched_pdsch.rbStart = rbStart; @@ -746,8 +769,27 @@ void pf_dl(module_id_t module_id, int rbStart = 0; // start wrt BWPstart /* Find a free CCE */ - bool freeCCE = find_free_CCE(module_id, slot, UE_id); - if (!freeCCE) { + const int cid = sched_ctrl->coreset->controlResourceSetId; + const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + uint8_t nr_of_candidates; + for (int i=0; i<5; i++) { + // for now taking the lowest value among the available aggregation levels + find_aggregation_candidates(&sched_ctrl->aggregation_level, + &nr_of_candidates, + sched_ctrl->search_space, + 1<0) break; + } + + int CCEIndex = find_pdcch_candidate(mac, + /* CC_id = */ 0, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + + if (CCEIndex<0) { LOG_D(NR_MAC, "%4d.%2d could not find CCE for DL DCI UE %d/RNTI %04x\n", frame, slot, UE_id, rnti); continue; } @@ -766,14 +808,18 @@ void pf_dl(module_id_t module_id, rnti, frame, slot); - int cid = sched_ctrl->coreset->controlResourceSetId; - UE_info->num_pdcch_cand[UE_id][cid]--; - int *cce_list = mac->cce_list[cid]; - for (int i = 0; i < sched_ctrl->aggregation_level; i++) - cce_list[sched_ctrl->cce_index + i] = 0; + mac->pdcch_cand[cid]--; return; } + sched_ctrl->cce_index = CCEIndex; + + fill_pdcch_vrb_map(mac, + /* CC_id = */ 0, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + /* 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]; @@ -1024,9 +1070,8 @@ void nr_schedule_ue_spec(module_id_t module_id, dl_req->nPDUs += 1; pdcch_pdu = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15; LOG_D(NR_MAC,"Trying to configure DL pdcch for UE %d, bwp %d, cs %d\n",UE_id,bwpid,coresetid); - NR_SearchSpace_t *ss = (bwp||bwpd) ? sched_ctrl->search_space:gNB_mac->sched_ctrlCommon->search_space; NR_ControlResourceSet_t *coreset = (bwp||bwpd)? sched_ctrl->coreset:gNB_mac->sched_ctrlCommon->coreset; - nr_configure_pdcch(gNB_mac, pdcch_pdu, ss, coreset, scc, genericParameters, NULL); + nr_configure_pdcch(pdcch_pdu, coreset, genericParameters, sched_ctrl->sched_pdcch); gNB_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu; } diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index f5f8a91299..b691674b3e 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -346,15 +346,16 @@ void nr_preprocessor_phytest(module_id_t module_id, const int cid = sched_ctrl->coreset->controlResourceSetId; const uint16_t Y = UE_info->Y[UE_id][cid%3][slot]; - const int m = UE_info->num_pdcch_cand[UE_id][cid]; - sched_ctrl->cce_index = allocate_nr_CCEs(RC.nrmac[module_id], - sched_ctrl->active_bwp, - sched_ctrl->coreset, - sched_ctrl->aggregation_level, - Y, - m, - nr_of_candidates); - AssertFatal(sched_ctrl->cce_index >= 0, + + int CCEIndex = find_pdcch_candidate(RC.nrmac[module_id], + CC_id, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + + AssertFatal(CCEIndex >= 0, "%s(): could not find CCE for UE %d\n", __func__, UE_id); @@ -368,13 +369,18 @@ void nr_preprocessor_phytest(module_id_t module_id, rnti, frame, slot); - UE_info->num_pdcch_cand[UE_id][cid]--; - int *cce_list = RC.nrmac[module_id]->cce_list[cid]; - for (int i = 0; i < sched_ctrl->aggregation_level; i++) - cce_list[sched_ctrl->cce_index + i] = 0; + RC.nrmac[module_id]->pdcch_cand[cid]--; return; } + sched_ctrl->cce_index = CCEIndex; + + fill_pdcch_vrb_map(RC.nrmac[module_id], + CC_id, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + //AssertFatal(alloc, // "could not find uplink slot for PUCCH (RNTI %04x@%d.%d)!\n", // rnti, frame, slot); @@ -506,19 +512,20 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ const int cid = sched_ctrl->coreset->controlResourceSetId; const uint16_t Y = UE_info->Y[UE_id][cid%3][slot]; - const int m = UE_info->num_pdcch_cand[UE_id][cid]; - sched_ctrl->cce_index = allocate_nr_CCEs(RC.nrmac[module_id], - sched_ctrl->active_bwp, - sched_ctrl->coreset, - sched_ctrl->aggregation_level, - Y, - m, - nr_of_candidates); + + int CCEIndex = find_pdcch_candidate(nr_mac, + CC_id, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + if (sched_ctrl->cce_index < 0) { LOG_E(MAC, "%s(): CCE list not empty, couldn't schedule PUSCH\n", __func__); + nr_mac->pdcch_cand[cid]--; return false; } - UE_info->num_pdcch_cand[UE_id][cid]++; const int mcs = target_ul_mcs; NR_sched_pusch_t *sched_pusch = &sched_ctrl->sched_pusch; @@ -547,6 +554,12 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ >> 3; /* mark the corresponding RBs as used */ + fill_pdcch_vrb_map(nr_mac, + CC_id, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + for (int rb = rbStart; rb < rbStart + rbSize; rb++) vrb_map_UL[rb+BWPStart] = 1; return true; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 36ae3c607f..97405b6f32 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -159,6 +159,7 @@ NR_ControlResourceSet_t *get_coreset(module_id_t module_idP, NR_SearchSpace_t *ss, NR_SearchSpace__searchSpaceType_PR ss_type) { NR_ControlResourceSetId_t coreset_id = *ss->controlResourceSetId; + if (ss_type == NR_SearchSpace__searchSpaceType_PR_common) { // common search space NR_ControlResourceSet_t *coreset; if(coreset_id == 0) { @@ -208,48 +209,183 @@ NR_SearchSpace_t *get_searchspace(NR_ServingCellConfigCommon_t *scc, AssertFatal(0, "Couldn't find an adequate searchspace bwp_Dedicated %p\n",bwp_Dedicated); } -int allocate_nr_CCEs(gNB_MAC_INST *nr_mac, - NR_BWP_Downlink_t *bwp, - NR_ControlResourceSet_t *coreset, - int aggregation, - uint16_t Y, - int m, - int nr_of_candidates) { +NR_sched_pdcch_t *set_pdcch_structure(gNB_MAC_INST *gNB_mac, + NR_SearchSpace_t *ss, + NR_ControlResourceSet_t *coreset, + NR_ServingCellConfigCommon_t *scc, + NR_BWP_t *bwp, + NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config) { - int coreset_id = coreset->controlResourceSetId; + NR_sched_pdcch_t *pdcch = calloc(1,sizeof(NR_sched_pdcch_t)); - int *cce_list = nr_mac->cce_list[coreset_id]; + int sps; + AssertFatal(*ss->controlResourceSetId == coreset->controlResourceSetId, + "coreset id in SS %ld does not correspond to the one in coreset %ld", + *ss->controlResourceSetId, coreset->controlResourceSetId); - int n_rb=0; - for (int i=0;i<6;i++) - for (int j=0;j<8;j++) { - n_rb+=((coreset->frequencyDomainResources.buf[i]>>j)&1); + if (bwp) { // This is not for SIB1 + if(coreset->controlResourceSetId == 0){ + pdcch->BWPSize = gNB_mac->cset0_bwp_size; + pdcch->BWPStart = gNB_mac->cset0_bwp_start; } - n_rb*=6; + else { + pdcch->BWPSize = NRRIV2BW(bwp->locationAndBandwidth, MAX_BWP_SIZE); + pdcch->BWPStart = NRRIV2PRBOFFSET(bwp->locationAndBandwidth, MAX_BWP_SIZE); + } + pdcch->SubcarrierSpacing = bwp->subcarrierSpacing; + pdcch->CyclicPrefix = (bwp->cyclicPrefix==NULL) ? 0 : *bwp->cyclicPrefix; - uint16_t N_reg = n_rb * coreset->duration; - uint16_t n_CI = 0; + //AssertFatal(pdcch_scs==kHz15, "PDCCH SCS above 15kHz not allowed if a symbol above 2 is monitored"); + sps = bwp->cyclicPrefix == NULL ? 14 : 12; + } + else { + AssertFatal(type0_PDCCH_CSS_config!=NULL,"type0_PDCCH_CSS_config is null,bwp %p\n",bwp); + pdcch->BWPSize = type0_PDCCH_CSS_config->num_rbs; + pdcch->BWPStart = type0_PDCCH_CSS_config->cset_start_rb; + pdcch->SubcarrierSpacing = type0_PDCCH_CSS_config->scs_pdcch; + pdcch->CyclicPrefix = 0; + sps = 14; + } - const uint16_t N_cce = N_reg / NR_NB_REG_PER_CCE; - const uint16_t M_s_max = nr_of_candidates; + AssertFatal(ss->monitoringSymbolsWithinSlot!=NULL,"ss->monitoringSymbolsWithinSlot is null\n"); + AssertFatal(ss->monitoringSymbolsWithinSlot->buf!=NULL,"ss->monitoringSymbolsWithinSlot->buf is null\n"); - LOG_D(PHY,"allocate_NR_CCes : bwp_id %d, coreset_id %d : N_cce %d, m %d, nr_of_candidates %d, Y %d\n", - (int)(bwp ? bwp->bwp_Id : 0),coreset_id,N_cce,m,nr_of_candidates, Y); - //PDCCH candidate index m in CORESET exceeds the maximum number of PDCCH candidates - if(m >= nr_of_candidates) - return -1; + // for SPS=14 8 MSBs in positions 13 downto 6 + uint16_t monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | + (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps)); - int first_cce = aggregation * (( Y + CEILIDIV((m*N_cce),(aggregation*M_s_max)) + n_CI ) % CEILIDIV(N_cce,aggregation)); + for (int i=0; i>(sps-1-i))&1) { + pdcch->StartSymbolIndex=i; + break; + } + } - for (int i=0;iDurationSymbols = coreset->duration; - return(first_cce); + //cce-REG-MappingType + pdcch->CceRegMappingType = coreset->cce_REG_MappingType.present == NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved? + NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED : NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED; + if (pdcch->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED) { + pdcch->RegBundleSize = (coreset->cce_REG_MappingType.choice.interleaved->reg_BundleSize == + NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6) ? 6 : (2+coreset->cce_REG_MappingType.choice.interleaved->reg_BundleSize); + pdcch->InterleaverSize = (coreset->cce_REG_MappingType.choice.interleaved->interleaverSize == + NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n6) ? 6 : (2+coreset->cce_REG_MappingType.choice.interleaved->interleaverSize); + AssertFatal(scc->physCellId != NULL,"scc->physCellId is null\n"); + pdcch->ShiftIndex = coreset->cce_REG_MappingType.choice.interleaved->shiftIndex != NULL ? *coreset->cce_REG_MappingType.choice.interleaved->shiftIndex : *scc->physCellId; + } + else { + pdcch->RegBundleSize = 6; + pdcch->InterleaverSize = 0; + pdcch->ShiftIndex = 0; + } + + int N_rb = 0; // nb of rbs of coreset per symbol + for (int i=0;i<6;i++) { + for (int t=0;t<8;t++) { + N_rb+=((coreset->frequencyDomainResources.buf[i]>>t)&1); + } + } + pdcch->n_rb = N_rb*=6; // each bit of frequencyDomainResources represents 6 PRBs + + return pdcch; } + +uint8_t find_pdcch_candidate(gNB_MAC_INST *mac, + int cc_id, + int aggregation, + int nr_of_candidates, + NR_sched_pdcch_t *pdcch, + NR_ControlResourceSet_t *coreset, + uint16_t Y){ + + uint16_t *vrb_map = mac->common_channels[cc_id].vrb_map; + const int next_cand = mac->pdcch_cand[coreset->controlResourceSetId]; + const int N_ci = 0; + + if(next_cand>=nr_of_candidates) { + LOG_D(NR_MAC,"No more available candidates for this coreset\n"); + return -1; + } + + int N_rb = pdcch->n_rb; // nb of rbs of coreset per symbol + int N_symb = coreset->duration; // nb of coreset symbols + int N_regs = N_rb*N_symb; // nb of REGs per coreset + int N_cces = N_regs / NR_NB_REG_PER_CCE; // nb of cces in coreset + + int L = pdcch->RegBundleSize; + int R = pdcch->InterleaverSize; + int n_shift = pdcch->ShiftIndex; + int C = R>0 ? N_regs/(L*R) : 0; + int B_rb = L/N_symb; // nb of RBs occupied by each REG bundle + + int first_cce; + bool taken = false; // flag if the resource for a given candidate are taken + // loop over all the available candidates + for(int m=next_cand; mBWPStart + f*B_rb + rb]&(((1<StartSymbolIndex)) { + taken = true; + break; + } + } + } + } + if(!taken){ + mac->pdcch_cand[coreset->controlResourceSetId] = m++; // using candidate m, next available is m+1 + return first_cce; + } + } + return -1; +} + +void fill_pdcch_vrb_map(gNB_MAC_INST *mac, + int CC_id, + NR_sched_pdcch_t *pdcch, + int first_cce, + int aggregation){ + + uint16_t *vrb_map = mac->common_channels[CC_id].vrb_map; + + int N_rb = pdcch->n_rb; // nb of rbs of coreset per symbol + int L = pdcch->RegBundleSize; + int R = pdcch->InterleaverSize; + int n_shift = pdcch->ShiftIndex; + int N_symb = pdcch->DurationSymbols; + int N_regs = N_rb*N_symb; // nb of REGs per coreset + int B_rb = L/N_symb; // nb of RBs occupied by each REG bundle + int C = R>0 ? N_regs/(L*R) : 0; + + for (int j=first_cce; jBWPStart + f*B_rb + rb] = ((1<StartSymbolIndex; + } + } +} + + bool nr_find_nb_rb(uint16_t Qm, uint16_t R, uint16_t nb_symb_sch, @@ -346,7 +482,7 @@ void nr_set_pdsch_semi_static(const NR_ServingCellConfigCommon_t *scc, void nr_set_pusch_semi_static(const NR_ServingCellConfigCommon_t *scc, const NR_BWP_Uplink_t *ubwp, - const NR_BWP_UplinkDedicated_t *ubwpd, + const NR_BWP_UplinkDedicated_t *ubwpd, long dci_format, int tda, uint8_t num_dmrs_cdm_grps_no_data, @@ -718,81 +854,32 @@ int nr_get_default_pucch_res(int pucch_ResourceCommon) { return(default_pucch_csset[pucch_ResourceCommon]); } -void nr_configure_pdcch(gNB_MAC_INST *gNB_mac, - nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu, - NR_SearchSpace_t *ss, + + +void nr_configure_pdcch(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu, NR_ControlResourceSet_t *coreset, - NR_ServingCellConfigCommon_t *scc, NR_BWP_t *bwp, - NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config) { + NR_sched_pdcch_t *pdcch) { - int sps; - AssertFatal(*ss->controlResourceSetId == coreset->controlResourceSetId, - "coreset id in SS %ld does not correspond to the one in coreset %ld", - *ss->controlResourceSetId, coreset->controlResourceSetId); - if (bwp) { // This is not for SIB1 - if(coreset->controlResourceSetId == 0){ - pdcch_pdu->BWPSize = gNB_mac->cset0_bwp_size; - pdcch_pdu->BWPStart = gNB_mac->cset0_bwp_start; - } - else { - pdcch_pdu->BWPSize = NRRIV2BW(bwp->locationAndBandwidth, MAX_BWP_SIZE); - pdcch_pdu->BWPStart = NRRIV2PRBOFFSET(bwp->locationAndBandwidth, MAX_BWP_SIZE); - } - pdcch_pdu->SubcarrierSpacing = bwp->subcarrierSpacing; - pdcch_pdu->CyclicPrefix = (bwp->cyclicPrefix==NULL) ? 0 : *bwp->cyclicPrefix; - - //AssertFatal(pdcch_scs==kHz15, "PDCCH SCS above 15kHz not allowed if a symbol above 2 is monitored"); - sps = bwp->cyclicPrefix == NULL ? 14 : 12; - } - else { - AssertFatal(type0_PDCCH_CSS_config!=NULL,"type0_PDCCH_CSS_config is null,bwp %p\n",bwp); - pdcch_pdu->BWPSize = type0_PDCCH_CSS_config->num_rbs; - pdcch_pdu->BWPStart = type0_PDCCH_CSS_config->cset_start_rb; - pdcch_pdu->SubcarrierSpacing = type0_PDCCH_CSS_config->scs_pdcch; - pdcch_pdu->CyclicPrefix = 0; - sps = 14; - } - - AssertFatal(ss->monitoringSymbolsWithinSlot!=NULL,"ss->monitoringSymbolsWithinSlot is null\n"); - AssertFatal(ss->monitoringSymbolsWithinSlot->buf!=NULL,"ss->monitoringSymbolsWithinSlot->buf is null\n"); - - // for SPS=14 8 MSBs in positions 13 downto 6 - uint16_t monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | - (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps)); - - for (int i=0; i>(sps-1-i))&1) { - pdcch_pdu->StartSymbolIndex=i; - break; - } - } + pdcch_pdu->BWPSize = pdcch->BWPSize; + pdcch_pdu->BWPStart = pdcch->BWPStart; + pdcch_pdu->SubcarrierSpacing = pdcch->SubcarrierSpacing; + pdcch_pdu->CyclicPrefix = pdcch->CyclicPrefix; + pdcch_pdu->StartSymbolIndex = pdcch->StartSymbolIndex; pdcch_pdu->DurationSymbols = coreset->duration; for (int i=0;i<6;i++) pdcch_pdu->FreqDomainResource[i] = coreset->frequencyDomainResources.buf[i]; - LOG_D(MAC,"Coreset : BWPstart %d, BWPsize %d, SCS %d, freq %x, , duration %d, \n",pdcch_pdu->BWPStart,pdcch_pdu->BWPSize,(int)pdcch_pdu->SubcarrierSpacing,(int)coreset->frequencyDomainResources.buf[0],(int)coreset->duration); + LOG_D(MAC,"Coreset : BWPstart %d, BWPsize %d, SCS %d, freq %x, , duration %d, \n", + pdcch_pdu->BWPStart,pdcch_pdu->BWPSize,(int)pdcch_pdu->SubcarrierSpacing,(int)coreset->frequencyDomainResources.buf[0],(int)coreset->duration); - //cce-REG-MappingType - pdcch_pdu->CceRegMappingType = coreset->cce_REG_MappingType.present == NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved? - NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED : NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED; - - if (pdcch_pdu->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED) { - pdcch_pdu->RegBundleSize = (coreset->cce_REG_MappingType.choice.interleaved->reg_BundleSize == - NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6) ? 6 : (2+coreset->cce_REG_MappingType.choice.interleaved->reg_BundleSize); - pdcch_pdu->InterleaverSize = (coreset->cce_REG_MappingType.choice.interleaved->interleaverSize == - NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n6) ? 6 : (2+coreset->cce_REG_MappingType.choice.interleaved->interleaverSize); - AssertFatal(scc->physCellId != NULL,"scc->physCellId is null\n"); - pdcch_pdu->ShiftIndex = coreset->cce_REG_MappingType.choice.interleaved->shiftIndex != NULL ? *coreset->cce_REG_MappingType.choice.interleaved->shiftIndex : *scc->physCellId; - } - else { - pdcch_pdu->RegBundleSize = 0; - pdcch_pdu->InterleaverSize = 0; - pdcch_pdu->ShiftIndex = 0; - } + pdcch_pdu->CceRegMappingType = pdcch->CceRegMappingType; + pdcch_pdu->RegBundleSize = pdcch->RegBundleSize; + pdcch_pdu->InterleaverSize = pdcch->InterleaverSize; + pdcch_pdu->ShiftIndex = pdcch->ShiftIndex; if(coreset->controlResourceSetId == 0) { if(bwp == NULL) @@ -1968,6 +2055,9 @@ int add_new_nr_ue(module_id_t mod_idP, rnti_t rntiP, NR_CellGroupConfig_t *CellG bwpList->list.count); const int bwp_id = 1; sched_ctrl->active_bwp = bwpList ? bwpList->list.array[bwp_id - 1] : NULL; + NR_BWP_t *genericParameters = sched_ctrl->active_bwp ? + &sched_ctrl->active_bwp->bwp_Common->genericParameters: + &scc->uplinkConfigCommon->initialUplinkBWP->genericParameters; const int target_ss = sched_ctrl->active_bwp ? NR_SearchSpace__searchSpaceType_PR_ue_Specific : NR_SearchSpace__searchSpaceType_PR_common; sched_ctrl->search_space = get_searchspace(scc, sched_ctrl->active_bwp ? sched_ctrl->active_bwp->bwp_Dedicated : NULL, @@ -1975,6 +2065,12 @@ int add_new_nr_ue(module_id_t mod_idP, rnti_t rntiP, NR_CellGroupConfig_t *CellG sched_ctrl->coreset = get_coreset(mod_idP, scc, sched_ctrl->active_bwp ? (void*)sched_ctrl->active_bwp->bwp_Dedicated : NULL, sched_ctrl->search_space, target_ss); + sched_ctrl->sched_pdcch = set_pdcch_structure(RC.nrmac[mod_idP], + sched_ctrl->search_space, + sched_ctrl->coreset, + scc, + genericParameters, + NULL); const struct NR_UplinkConfig__uplinkBWP_ToAddModList *ubwpList = servingCellConfig ? servingCellConfig->uplinkConfig->uplinkBWP_ToAddModList : NULL; if (ubwpList) AssertFatal(ubwpList->list.count == 1, "uplinkBWP_ToAddModList has %d BWP!\n", @@ -2388,38 +2484,6 @@ void nr_csirs_scheduling(int Mod_idP, } } -bool find_free_CCE(module_id_t module_id, - sub_frame_t slot, - int UE_id){ - NR_UE_sched_ctrl_t *sched_ctrl = &RC.nrmac[module_id]->UE_info.UE_sched_ctrl[UE_id]; - uint8_t nr_of_candidates; - for (int i=0; i<5; i++) { - // for now taking the lowest value among the available aggregation levels - find_aggregation_candidates(&sched_ctrl->aggregation_level, - &nr_of_candidates, - sched_ctrl->search_space, - 1<0) break; - } - AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); - const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; - const int m = RC.nrmac[module_id]->UE_info.num_pdcch_cand[UE_id][cid]; - if (UE_id >= 0) LOG_D(NR_MAC,"slot %d calling allocate_nr_CCEs with L %d, nr_of_candidates %d, Y %x\n",slot, sched_ctrl->aggregation_level,nr_of_candidates,Y); - sched_ctrl->cce_index = allocate_nr_CCEs(RC.nrmac[module_id], - sched_ctrl->active_bwp, - sched_ctrl->coreset, - sched_ctrl->aggregation_level, - Y, - m, - nr_of_candidates); - if (sched_ctrl->cce_index < 0) - return false; - - RC.nrmac[module_id]->UE_info.num_pdcch_cand[UE_id][cid]++; - return true; -} - /*void fill_nfapi_coresets_and_searchspaces(NR_CellGroupConfig_t *cg, nfapi_nr_coreset_t *coreset, diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c index bcc0832863..30f5ba1476 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c @@ -963,13 +963,38 @@ bool allocate_ul_retransmission(module_id_t module_id, sched_ctrl->pusch_semi_static = temp_ps; } - /* Find free CCE */ - bool freeCCE = find_free_CCE(module_id, slot, UE_id); - if (!freeCCE) { + /* Find a free CCE */ + const int cid = sched_ctrl->coreset->controlResourceSetId; + const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + uint8_t nr_of_candidates; + for (int i=0; i<5; i++) { + // for now taking the lowest value among the available aggregation levels + find_aggregation_candidates(&sched_ctrl->aggregation_level, + &nr_of_candidates, + sched_ctrl->search_space, + 1<0) break; + } + int CCEIndex = find_pdcch_candidate(RC.nrmac[module_id], + CC_id, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + + if (CCEIndex<0) { LOG_D(NR_MAC, "%4d.%2d no free CCE for retransmission UL DCI UE %04x\n", frame, slot, UE_info->rnti[UE_id]); return false; } + sched_ctrl->cce_index = CCEIndex; + fill_pdcch_vrb_map(RC.nrmac[module_id], + CC_id, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + /* frame/slot in sched_pusch has been set previously. In the following, we * overwrite the information in the retransmission information before storing * as the new scheduling instruction */ @@ -1084,8 +1109,27 @@ void pf_ul(module_id_t module_id, * based on data to transmit) */ if (B == 0 && do_sched) { /* if no data, pre-allocate 5RB */ - bool freeCCE = find_free_CCE(module_id, slot, UE_id); - if (!freeCCE) { + /* Find a free CCE */ + const int cid = sched_ctrl->coreset->controlResourceSetId; + const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + uint8_t nr_of_candidates; + for (int i=0; i<5; i++) { + // for now taking the lowest value among the available aggregation levels + find_aggregation_candidates(&sched_ctrl->aggregation_level, + &nr_of_candidates, + sched_ctrl->search_space, + 1<0) break; + } + int CCEIndex = find_pdcch_candidate(RC.nrmac[module_id], + CC_id, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + + if (CCEIndex<0) { LOG_D(NR_MAC, "%4d.%2d no free CCE for UL DCI UE %04x (BSR 0)\n", frame, slot, UE_info->rnti[UE_id]); continue; } @@ -1102,6 +1146,13 @@ void pf_ul(module_id_t module_id, return; } + sched_ctrl->cce_index = CCEIndex; + fill_pdcch_vrb_map(RC.nrmac[module_id], + CC_id, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + /* Save PUSCH field */ /* we want to avoid a lengthy deduction of DMRS and other parameters in * every TTI if we can save it, so check whether dci_format, TDA, or @@ -1167,8 +1218,27 @@ void pf_ul(module_id_t module_id, *max = UE_sched.next[*max]; *p = -1; - bool freeCCE = find_free_CCE(module_id, slot, UE_id); - if (!freeCCE) { + NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; + + const int cid = sched_ctrl->coreset->controlResourceSetId; + const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + uint8_t nr_of_candidates; + for (int i=0; i<5; i++) { + // for now taking the lowest value among the available aggregation levels + find_aggregation_candidates(&sched_ctrl->aggregation_level, + &nr_of_candidates, + sched_ctrl->search_space, + 1<0) break; + } + int CCEIndex = find_pdcch_candidate(RC.nrmac[module_id], + CC_id, + sched_ctrl->aggregation_level, + nr_of_candidates, + sched_ctrl->sched_pdcch, + sched_ctrl->coreset, + Y); + if (CCEIndex<0) { LOG_D(NR_MAC, "%4d.%2d no free CCE for UL DCI UE %04x\n", frame, slot, UE_info->rnti[UE_id]); continue; } @@ -1179,7 +1249,6 @@ void pf_ul(module_id_t module_id, if (max_num_ue < 0) return; - NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; NR_CellGroupConfig_t *cg = UE_info->CellGroup[UE_id]; NR_BWP_UplinkDedicated_t *ubwpd= cg ? cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP:NULL; NR_BWP_t *genericParameters = sched_ctrl->active_ubwp ? &sched_ctrl->active_ubwp->bwp_Common->genericParameters : &scc->uplinkConfigCommon->initialUplinkBWP->genericParameters; @@ -1232,6 +1301,14 @@ void pf_ul(module_id_t module_id, rbSize, sched_pusch->tb_size, sched_ctrl->estimated_ul_buffer, sched_ctrl->sched_ul_bytes, B,sched_ctrl->cce_index,ps->num_dmrs_symb,ps->N_PRB_DMRS); /* Mark the corresponding RBs as used */ + + sched_ctrl->cce_index = CCEIndex; + fill_pdcch_vrb_map(RC.nrmac[module_id], + CC_id, + sched_ctrl->sched_pdcch, + CCEIndex, + sched_ctrl->aggregation_level); + n_rb_sched -= sched_pusch->rbSize; for (int rb = 0; rb < sched_ctrl->sched_pusch.rbSize; rb++) rballoc_mask[rb + sched_ctrl->sched_pusch.rbStart] = 0; @@ -1632,7 +1709,7 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot) ul_dci_request_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu)); pdcch_pdu = &ul_dci_request_pdu->pdcch_pdu.pdcch_pdu_rel15; ul_dci_req->numPdus += 1; - nr_configure_pdcch(nr_mac, pdcch_pdu, ss, coreset, scc, genericParameters, NULL); + nr_configure_pdcch(pdcch_pdu, coreset, genericParameters, sched_ctrl->sched_pdcch); nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu; } diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index 62d70f4f2c..56a24c5b94 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -248,13 +248,31 @@ void find_search_space(int ss_type, NR_BWP_Downlink_t *bwp, NR_SearchSpace_t *ss); -void nr_configure_pdcch(gNB_MAC_INST *gNB_mac, - nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu, - NR_SearchSpace_t *ss, +void nr_configure_pdcch(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu, NR_ControlResourceSet_t *coreset, - NR_ServingCellConfigCommon_t *scc, NR_BWP_t *bwp, - NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config); + NR_sched_pdcch_t *pdcch); + +NR_sched_pdcch_t *set_pdcch_structure(gNB_MAC_INST *gNB_mac, + NR_SearchSpace_t *ss, + NR_ControlResourceSet_t *coreset, + NR_ServingCellConfigCommon_t *scc, + NR_BWP_t *bwp, + NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config); + +uint8_t find_pdcch_candidate(gNB_MAC_INST *mac, + int cc_id, + int aggregation, + int nr_of_candidates, + NR_sched_pdcch_t *pdcch, + NR_ControlResourceSet_t *coreset, + uint16_t Y); + +void fill_pdcch_vrb_map(gNB_MAC_INST *mac, + int CC_id, + NR_sched_pdcch_t *pdcch, + int first_cce, + int aggregation); void fill_dci_pdu_rel15(const NR_ServingCellConfigCommon_t *scc, const NR_CellGroupConfig_t *CellGroup, diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h index 99e21b6560..f7bd2a5ac8 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h @@ -103,6 +103,20 @@ typedef struct NR_preamble_ue { uint8_t *preamble_list; } NR_preamble_ue_t; +typedef struct NR_sched_pdcch { + uint16_t BWPSize; + uint16_t BWPStart; + uint8_t CyclicPrefix; + uint8_t SubcarrierSpacing; + uint8_t StartSymbolIndex; + uint8_t CceRegMappingType; + uint8_t RegBundleSize; + uint8_t InterleaverSize; + uint16_t ShiftIndex; + uint8_t DurationSymbols; + int n_rb; +} NR_sched_pdcch_t; + /*! \brief gNB template for the Random access information */ typedef struct { /// Flag to indicate this process is active @@ -163,6 +177,9 @@ typedef struct { int mac_pdu_length; /// RA search space NR_SearchSpace_t *ra_ss; + /// RA Coreset + NR_ControlResourceSet_t *coreset; + NR_sched_pdcch_t *sched_pdcch; // Beam index uint8_t beam_id; /// CellGroup for UE that is to come (NSA is non-null, null for SA) @@ -298,7 +315,6 @@ typedef struct UE_info { pdschTciStatesActDeact_t pdsch_TCI_States_ActDeact; } NR_UE_mac_ce_ctrl_t; - typedef struct NR_sched_pucch { int frame; int ul_slot; @@ -533,6 +549,7 @@ typedef struct { /// CCE index and aggregation, should be coherent with cce_list NR_SearchSpace_t *search_space; NR_ControlResourceSet_t *coreset; + NR_sched_pdcch_t *sched_pdcch; /// CCE index and Aggr. Level are shared for PUSCH/PDSCH allocation decisions /// corresponding to the sched_pusch/sched_pdsch structures below @@ -652,10 +669,10 @@ typedef struct { /// CCE indexing int Y[MAX_MOBILES_PER_GNB][3][160]; int m[MAX_MOBILES_PER_GNB]; - int num_pdcch_cand[MAX_MOBILES_PER_GNB][MAX_NUM_CORESET]; // UE selected beam index uint8_t UE_beam_index[MAX_MOBILES_PER_GNB]; bool Msg4_ACKed[MAX_MOBILES_PER_GNB]; + } NR_UE_info_t; typedef void (*nr_pp_impl_dl)(module_id_t mod_id, @@ -714,7 +731,7 @@ typedef struct gNB_MAC_INST_s { nfapi_nr_ul_dci_request_t UL_dci_req[NFAPI_CC_MAX]; /// NFAPI DL PDU structure nfapi_nr_tx_data_request_t TX_req[NFAPI_CC_MAX]; - + int pdcch_cand[MAX_NUM_CORESET]; NR_UE_info_t UE_info; /// UL handle @@ -742,8 +759,6 @@ typedef struct gNB_MAC_INST_s { time_stats_t rx_ulsch_sdu; // include rlc_data_ind /// processing time of eNB PCH scheduler time_stats_t schedule_pch; - /// CCE lists - int cce_list[MAX_NUM_CORESET][MAX_NUM_CCE]; /// list of allocated beams per period int16_t *tdd_beam_association;