removing mcs sanity checks

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -679,11 +679,6 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
     dlsch_config_pdu_1_0->mcs_table = (pdsch_config) ? ((pdsch_config->mcs_Table) ? (*pdsch_config->mcs_Table + 1) : 0) : 0;
     /* MCS */
     dlsch_config_pdu_1_0->mcs = dci->mcs;
-    // Basic sanity check for MCS value to check for a false or erroneous DCI
-    if (dlsch_config_pdu_1_0->mcs > 28) {
-      LOG_W(MAC, "[%d.%d] MCS value %d out of bounds! Possibly due to false DCI. Ignoring DCI!\n", frame, slot, dlsch_config_pdu_1_0->mcs);
-      return -1;
-    }
 
     dlsch_config_pdu_1_0->qamModOrder = nr_get_Qm_dl(dlsch_config_pdu_1_0->mcs, dlsch_config_pdu_1_0->mcs_table);
     int R = nr_get_code_rate_dl(dlsch_config_pdu_1_0->mcs, dlsch_config_pdu_1_0->mcs_table);
@@ -904,22 +899,12 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
     dlsch_config_pdu_1_1->zp_csi_rs_trigger = dci->zp_csi_rs_trigger.val;
     /* MCS (for transport block 1)*/
     dlsch_config_pdu_1_1->mcs = dci->mcs;
-    // Basic sanity check for MCS value to check for a false or erroneous DCI
-    if (dlsch_config_pdu_1_1->mcs > 28) {
-      LOG_W(MAC, "[%d.%d] MCS value %d out of bounds! Possibly due to false DCI. Ignoring DCI!\n", frame, slot, dlsch_config_pdu_1_1->mcs);
-      return -1;
-    }
     /* NDI (for transport block 1)*/
     dlsch_config_pdu_1_1->ndi = dci->ndi;
     /* RV (for transport block 1)*/
     dlsch_config_pdu_1_1->rv = dci->rv;
     /* MCS (for transport block 2)*/
     dlsch_config_pdu_1_1->tb2_mcs = dci->mcs2.val;
-    // Basic sanity check for MCS value to check for a false or erroneous DCI
-    if (dlsch_config_pdu_1_1->tb2_mcs > 28) {
-      LOG_W(MAC, "[%d.%d] MCS value %d out of bounds! Possibly due to false DCI. Ignoring DCI!\n", frame, slot, dlsch_config_pdu_1_1->tb2_mcs);
-      return -1;
-    }
     /* NDI (for transport block 2)*/
     dlsch_config_pdu_1_1->tb2_ndi = dci->ndi2.val;
     /* RV (for transport block 2)*/

openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c

@@ -533,12 +533,6 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac,
     pusch_config_pdu->bwp_start = current_UL_BWP->BWPStart;
     pusch_config_pdu->bwp_size = current_UL_BWP->BWPSize;
 
-    // Basic sanity check for MCS value to check for a false or erroneous DCI
-    if (dci->mcs > 28) {
-      LOG_W(NR_MAC, "MCS value %d out of bounds! Possibly due to false DCI. Ignoring DCI!\n", dci->mcs);
-      return -1;
-    }
-
     /* Transform precoding */
     pusch_config_pdu->transform_precoding = get_transformPrecoding(current_UL_BWP, *dci_format, 0);