maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NR_UE: re-introduce mcs check for DCI format 0_0 and 0_1

Browse Source
This commit is contained in:
Thomas Schlichter
2021-02-04 19:51:58 +01:00
parent ea0d24b935
commit 9c4714fd25
1 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
+9 -1
View File
@@ -574,6 +574,12 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac,
uint16_t n_rb0 = 25;
uint16_t n_rb1 = 75;
// Basic sanity check for MCS value to check for a false or erroneous DCI
if (dci->mcs > 28) {
LOG_W(MAC, "MCS value %d out of bounds! Possibly due to false DCI. Ignoring DCI!\n", dci->mcs);
return -1;
}
/* Transform precoding */
if (rnti_type != NR_RNTI_CS || (rnti_type == NR_RNTI_CS && dci->ndi == 1)) {
pusch_config_pdu->transform_precoding = get_transformPrecoding(scc, pusch_Config, NULL, dci_format, rnti_type, 0);
@@ -587,8 +593,10 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac,
} else if (*dci_format == NR_UL_DCI_FORMAT_0_1) {
/* BANDWIDTH_PART_IND */
if (dci->bwp_indicator.val != 1)
if (dci->bwp_indicator.val != 1) {
LOG_W(MAC, "bwp_indicator != 1! Possibly due to false DCI. Ignoring DCI!\n");
return -1;
}
config_bwp_ue(mac, &dci->bwp_indicator.val, dci_format);
target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
ul_layers_config(mac, pusch_config_pdu, dci);