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N_RB configuration for DCI extraction according to 7.3.1.0 of TS 38.212

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- replacing ambiguous configuration of N_RB for extraction of DCI 1_0
This commit is contained in:
cig
2020-09-08 14:09:05 +02:00
parent 7c3377d515
commit 6ac5a6e74a
1 changed files with 27 additions and 4 deletions
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openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+27 -4
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@@ -3223,6 +3223,32 @@ void nr_ue_send_sdu(module_id_t module_idP,
}
// N_RB configuration according to 7.3.1.0 (DCI size alignment) of TS 38.212
int get_n_rb(NR_UE_MAC_INST_t *mac, int rnti_type){
int N_RB, start_RB;
switch(rnti_type) {
case NR_RNTI_RA:
case NR_RNTI_TC:
case NR_RNTI_P:
case NR_RNTI_SI:
if (mac->DLbwp[0]->bwp_Common->pdcch_ConfigCommon->choice.setup->controlResourceSetZero) {
uint8_t bwp_id = 1;
uint8_t coreset_id = 0; // assuming controlResourceSetId is 0 for controlResourceSetZero
NR_ControlResourceSet_t *coreset = mac->coreset[bwp_id - 1][coreset_id];
get_coreset_rballoc(coreset->frequencyDomainResources.buf,&N_RB,&start_RB);
} else {
N_RB = NRRIV2BW(mac->scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
}
break;
case NR_RNTI_C:
N_RB = NRRIV2BW(mac->DLbwp[0]->bwp_Common->genericParameters.locationAndBandwidth, 275);
break;
}
return N_RB;
}
void nr_extract_dci_info(NR_UE_MAC_INST_t *mac,
int dci_format,
uint8_t dci_size,
@@ -3240,9 +3266,7 @@ void nr_extract_dci_info(NR_UE_MAC_INST_t *mac,
AssertFatal(rnti_type!=-1,"no identified/handled rnti\n");
AssertFatal(mac->DLbwp[0] != NULL, "DLbwp[0] shouldn't be null here!\n");
AssertFatal(mac->ULbwp[0] != NULL, "ULbwp[0] shouldn't be null here!\n");
int N_RB = (mac->scg != NULL) ?
NRRIV2BW(mac->DLbwp[0]->bwp_Common->genericParameters.locationAndBandwidth,275) :
NRRIV2BW(mac->scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth,275);
int N_RB = get_n_rb(mac, rnti_type);
int N_RB_UL = (mac->scg != NULL) ?
NRRIV2BW(mac->ULbwp[0]->bwp_Common->genericParameters.locationAndBandwidth,275) :
NRRIV2BW(mac->scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth,275);
@@ -3254,7 +3278,6 @@ void nr_extract_dci_info(NR_UE_MAC_INST_t *mac,
case NR_DL_DCI_FORMAT_1_0:
switch(rnti_type) {
case NR_RNTI_RA:
N_RB = NRRIV2BW(mac->scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth, 275); // TBR hotfix
// Freq domain assignment
fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
pos=fsize;