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UL Scheduler: Check vrb_map_UL against symb map

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This commit is contained in:
Robert Schmidt
2021-04-14 12:19:04 +02:00
parent e04affbc7c
commit 8edacdede4
2 changed files with 25 additions and 16 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+14 -13
View File
@@ -426,13 +426,26 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_
if (!is_xlsch_in_slot(ulsch_slot_bitmap, sched_slot))
return false;
const long f = sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats;
const int dci_format = f ? NR_UL_DCI_FORMAT_0_1 : NR_UL_DCI_FORMAT_0_0;
const uint8_t num_dmrs_cdm_grps_no_data = 1;
/* 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
* num_dmrs_cdm_grps_no_data has changed and only then recompute */
NR_pusch_semi_static_t *ps = &sched_ctrl->pusch_semi_static;
if (ps->time_domain_allocation != tda
|| ps->dci_format != dci_format
|| ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data)
nr_set_pusch_semi_static(scc, sched_ctrl->active_ubwp, dci_format, tda, num_dmrs_cdm_grps_no_data, ps);
uint16_t rbStart = 0;
uint16_t rbSize = target_ul_bw;
uint16_t *vrb_map_UL =
&RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[sched_slot * MAX_BWP_SIZE];
const uint16_t symb = ((1 << ps->nrOfSymbols) - 1) << ps->startSymbolIndex;
for (int i = rbStart; i < rbStart + rbSize; ++i) {
if (vrb_map_UL[i]) {
if ((vrb_map_UL[i] & symb) != 0) {
LOG_E(MAC,
"%s(): %4d.%2d RB %d is already reserved, cannot schedule UE\n",
__func__,
@@ -466,18 +479,6 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_
}
UE_info->num_pdcch_cand[UE_id][cid]++;
const long f = sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats;
const int dci_format = f ? NR_UL_DCI_FORMAT_0_1 : NR_UL_DCI_FORMAT_0_0;
const uint8_t num_dmrs_cdm_grps_no_data = 1;
/* 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
* num_dmrs_cdm_grps_no_data has changed and only then recompute */
NR_pusch_semi_static_t *ps = &sched_ctrl->pusch_semi_static;
if (ps->time_domain_allocation != tda
|| ps->dci_format != dci_format
|| ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data)
nr_set_pusch_semi_static(scc, sched_ctrl->active_ubwp, dci_format, tda, num_dmrs_cdm_grps_no_data, ps);
const int mcs = target_ul_mcs;
NR_sched_pusch_t *sched_pusch = &sched_ctrl->sched_pusch;
sched_pusch->mcs = mcs;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+11 -3
View File
@@ -1023,16 +1023,24 @@ bool nr_fr1_ulsch_preprocessor(module_id_t module_id, frame_t frame, sub_frame_t
sched_ctrl->sched_pusch.frame = sched_frame;
}
/* Change vrb_map_UL to rballoc_mask */
/* Change vrb_map_UL to rballoc_mask: check which symbols per RB (in
* vrb_map_UL) overlap with the "default" tda and exclude those RBs.
* Calculate largest contiguous RBs */
uint16_t *vrb_map_UL =
&RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[sched_slot * MAX_BWP_SIZE];
const uint16_t bwpSize = NRRIV2BW(sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
const struct NR_PUSCH_TimeDomainResourceAllocationList *tdaList =
sched_ctrl->active_ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList;
const int startSymbolAndLength = tdaList->list.array[tda]->startSymbolAndLength;
int startSymbolIndex, nrOfSymbols;
SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
const uint16_t symb = ((1 << nrOfSymbols) - 1) << startSymbolIndex;
int st = 0, e = 0, len = 0;
for (int i = 0; i < bwpSize; i++) {
while (vrb_map_UL[i] == 1)
while ((vrb_map_UL[i] & symb) != 0 && i < bwpSize)
i++;
st = i;
while (vrb_map_UL[i] == 0)
while ((vrb_map_UL[i] & symb) == 0 && i < bwpSize)
i++;
if (i - st > len) {
len = i - st;