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reworking handling pdcch at mac, including support for multiple pdcch pdu

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This commit is contained in:
francescomani
2021-12-04 15:49:33 +01:00
parent 3d10b9fc41
commit 5f0a9fba89
11 changed files with 510 additions and 215 deletions
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openair1/SIMULATION/NR_PHY/dlsim.c
+1 -3
View File
@@ -1038,8 +1038,6 @@ int main(int argc, char **argv)
while ((round<num_rounds) && (UE_harq_process->ack==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; i<MAX_NUM_CORESET; i++)
gNB_mac->UE_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);
openair2/LAYER2/NR_MAC_gNB/config.c
+10 -1
View File
@@ -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;
}
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+2 -6
View File
@@ -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; i<MAX_NUM_CORESET; i++)
UE_info->num_pdcch_cand[UE_id][i] = 0;
for (int i=0; i<MAX_NUM_CORESET; i++)
RC.nrmac[module_idP]->pdcch_cand[i] = 0;
for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
//mbsfn_status[CC_id] = 0;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+59 -9
View File
@@ -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<<nrOfSymbols)-1)<<startSymbolIndex;
}
@@ -1401,7 +1438,7 @@ void nr_generate_Msg4(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra
pdsch_TimeDomainAllocationList = scc->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<<nrOfSymbols)-1)<<startSymbolIndex;
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+23 -13
View File
@@ -329,7 +329,9 @@ uint32_t schedule_control_sib1(module_id_t module_id,
int num_total_bytes) {
gNB_MAC_INST *gNB_mac = RC.nrmac[module_id];
uint16_t *vrb_map = RC.nrmac[module_id]->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<<nrOfSymbols)-1)<<startSymbolIndex;
}
@@ -436,13 +449,10 @@ void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
dl_tti_pdcch_pdu->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));
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+61 -16
View File
@@ -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<<i);
if(nr_of_candidates>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<<i);
if(nr_of_candidates>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;
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+35 -22
View File
@@ -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;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+190 -126
View File
@@ -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; i++) {
if ((monitoringSymbolsWithinSlot>>(sps-1-i))&1) {
pdcch->StartSymbolIndex=i;
break;
}
}
for (int i=0;i<aggregation;i++)
if (cce_list[first_cce+i] != 0) return(-1);
for (int i=0;i<aggregation;i++) cce_list[first_cce+i] = 1;
pdcch->DurationSymbols = 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; m<nr_of_candidates; m++) { // loop over candidates
first_cce = aggregation * (( Y + CEILIDIV((m*N_cces),(aggregation*nr_of_candidates)) + N_ci ) % CEILIDIV(N_cces,aggregation));
for (int j=first_cce; (j<first_cce+aggregation) && !taken; j++) { // loop over CCEs
for (int k=6*j/L; (k<(6*j/L+6/L)) && !taken; k++) { // loop over REG bundles
int f; // interleaving function
if(R==0)
f = k;
else {
int c = k/R;
int r = k%R;
f = (r*C + c + n_shift)%(N_regs/L);
}
for(int rb=0; rb<B_rb; rb++) { // loop over the RBs of the bundle
if(vrb_map[pdcch->BWPStart + f*B_rb + rb]&(((1<<N_symb)-1)<<pdcch->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; j<first_cce+aggregation; j++) { // loop over CCEs
for (int k=6*j/L; k<(6*j/L+6/L); k++) { // loop over REG bundles
int f; // interleaving function
if(R==0)
f = k;
else {
int c = k/R;
int r = k%R;
f = (r*C + c + n_shift)%(N_regs/L);
}
for(int rb=0; rb<B_rb; rb++) // loop over the RBs of the bundle
vrb_map[pdcch->BWPStart + f*B_rb + rb] = ((1<<N_symb)-1)<<pdcch->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; i++) {
if ((monitoringSymbolsWithinSlot>>(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<<i);
if(nr_of_candidates>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,
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+86 -9
View File
@@ -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<<i);
if(nr_of_candidates>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<<i);
if(nr_of_candidates>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<<i);
if(nr_of_candidates>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;
}
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+23 -5
View File
@@ -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,
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+20 -5
View File
@@ -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;