diff --git a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c index 864b5e1926..b61e8447a5 100644 --- a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c +++ b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c @@ -257,7 +257,8 @@ static void copy_dl_tti_req_to_dl_info(nr_downlink_indication_t *dl_info, nfapi_ dl_info->dci_ind = CALLOC(1, sizeof(fapi_nr_dci_indication_t)); dl_info->dci_ind->SFN = dl_tti_request->SFN; dl_info->dci_ind->slot = dl_tti_request->Slot; - AssertFatal(num_dcis < sizeof(dl_info->dci_ind->dci_list) / sizeof(dl_info->dci_ind->dci_list[0]), "The number of DCIs is greater than dci_list"); + AssertFatal(num_dcis < sizeof(dl_info->dci_ind->dci_list) / sizeof(dl_info->dci_ind->dci_list[0]), + "The number of DCIs is greater than dci_list"); for (int j = 0; j < num_dcis; j++) { nfapi_nr_dl_dci_pdu_t *dci_pdu_list = &pdu_list->pdcch_pdu.pdcch_pdu_rel15.dci_pdu[j]; @@ -492,7 +493,12 @@ static void check_and_process_dci(nfapi_nr_dl_tti_request_t *dl_tti_request, LOG_I(NR_PHY, "[%d, %d] dl_tti_request\n", frame, slot); copy_dl_tti_req_to_dl_info(&mac->dl_info, dl_tti_request); } - else if (tx_data_request && (mac->expected_dci || mac->ra.ra_state <= WAIT_RAR)) + /* This checks if the previously recevied DCI matches our current RNTI + value. The assumption is that if the DCI matches our RNTI, then the + incoming tx_data_request is also destined for the current UE. If the + RAR hasn't been processed yet, we do not want to be filtering the + tx_data_requests. */ + else if (tx_data_request && (mac->expected_dci || mac->ra.ra_state == WAIT_RAR)) { frame = tx_data_request->SFN; slot = tx_data_request->Slot;