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fix in checking available RBs for msg3 allocationg

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This commit is contained in:
francescomani
2021-08-12 10:57:55 +02:00
parent e63985f83f
commit 9fb4f28e28
1 changed files with 15 additions and 7 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+15 -7
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@@ -745,10 +745,19 @@ void nr_get_Msg3alloc(module_id_t module_id,
LOG_D(NR_MAC, "[RAPROC] Msg3 slot %d: current slot %u Msg3 frame %u k2 %u Msg3_tda_id %u start symbol index %u\n", ra->Msg3_slot, current_slot, ra->Msg3_frame, k2,ra->Msg3_tda_id, StartSymbolIndex);
uint16_t *vrb_map_UL =
&RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[ra->Msg3_slot * MAX_BWP_SIZE];
const uint16_t bwpSize = NRRIV2BW(ubwp ?
ubwp->bwp_Common->genericParameters.locationAndBandwidth :
scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth,
MAX_BWP_SIZE);
int bwpSize = NRRIV2BW(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
int bwpStart = NRRIV2PRBOFFSET(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
if (ra->CellGroup) {
AssertFatal(ra->CellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count == 1,
"downlinkBWP_ToAddModList has %d BWP!\n", ra->CellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count);
NR_BWP_Uplink_t *ubwp = ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[ra->bwp_id - 1];
int act_bwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
int act_bwp_size = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
if ((bwpStart < act_bwp_start) || (bwpSize > act_bwp_size))
bwpStart = act_bwp_start;
}
/* search msg3_nb_rb free RBs */
int rbSize = 0;
@@ -756,11 +765,11 @@ void nr_get_Msg3alloc(module_id_t module_id,
while (rbSize < msg3_nb_rb) {
rbStart += rbSize; /* last iteration rbSize was not enough, skip it */
rbSize = 0;
while (rbStart < bwpSize && vrb_map_UL[rbStart])
while (rbStart < bwpSize && vrb_map_UL[rbStart + bwpStart])
rbStart++;
AssertFatal(rbStart < bwpSize - msg3_nb_rb, "no space to allocate Msg 3 for RA!\n");
while (rbStart + rbSize < bwpSize
&& !vrb_map_UL[rbStart + rbSize]
&& !vrb_map_UL[rbStart + bwpStart + rbSize]
&& rbSize < msg3_nb_rb)
rbSize++;
}
@@ -871,7 +880,6 @@ void nr_add_msg3(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t
pusch_pdu->dmrs_ports = 1; // 6.2.2 in 38.214 only port 0 to be used
pusch_pdu->num_dmrs_cdm_grps_no_data = 2; // no data in dmrs symbols as in 6.2.2 in 38.214
pusch_pdu->resource_alloc = 1; //type 1
//pusch_pdu->rb_start = ra->msg3_first_rb + ibwp_start - abwp_start; // as for 6.3.1.7 in 38.211
pusch_pdu->rb_start = ra->msg3_first_rb;
if (ra->msg3_nb_rb > pusch_pdu->bwp_size)
AssertFatal(1==0,"MSG3 allocated number of RBs exceed the BWP size\n");