diff --git a/executables/nr-ue.c b/executables/nr-ue.c index eaa48df2be7d31947a766c8f7ed8a2ff9f246d69..132ba62499476e3f7447fcf9dbcdea88f246a7df 100644 --- a/executables/nr-ue.c +++ b/executables/nr-ue.c @@ -111,6 +111,7 @@ void init_nr_ue_vars(PHY_VARS_NR_UE *ue, ue->Mod_id = UE_id; ue->mac_enabled = 1; ue->if_inst = nr_ue_if_module_init(0); + ue->dci_thres = 0; // Setting UE mode to NOT_SYNCHED by default for (gNB_id = 0; gNB_id < nb_connected_gNB; gNB_id++){ diff --git a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c index 53a7ee7bb75d4405b112ef8e11ffde03fade0cb8..3cabac3d3113e2d92293e96e40c43e190a47ccf7 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c +++ b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c @@ -885,7 +885,7 @@ uint16_t nr_dci_false_detection(uint64_t *dci, uint32_t encoder_output[NR_MAX_DCI_SIZE_DWORD]; polar_encoder_fast(dci, (void*)encoder_output, rnti, 1, polar_param); - uint8_t *enout_p = (int16_t*)encoder_output; + uint8_t *enout_p = (uint8_t*)encoder_output; uint16_t x = 0; for (int i=0; i<encoded_length/8; i++) { @@ -948,8 +948,9 @@ uint8_t nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue, LOG_D(PHY, "(%i.%i) Received dci indication (rnti %x,dci format %d,n_CCE %d,payloadSize %d,payload %llx)\n", proc->frame_rx, proc->nr_slot_rx,n_rnti,rel15->dci_format_options[k],CCEind,dci_length,*(unsigned long long*)dci_estimation); uint16_t mb = nr_dci_false_detection(dci_estimation,tmp_e,currentPtrDCI,L*108,n_rnti); - if (mb > 10) { - LOG_W(PHY,"DCI false positive. Dropping DCI index %d. Mismatched bits: %d/%d\n",j,mb,L*108); + ue->dci_thres = (ue->dci_thres + mb) / 2; + if (mb > (ue->dci_thres+10)) { + LOG_W(PHY,"DCI false positive. Dropping DCI index %d. Mismatched bits: %d/%d. Current DCI threshold: %d\n",j,mb,L*108,ue->dci_thres); continue; } else { diff --git a/openair1/PHY/defs_nr_UE.h b/openair1/PHY/defs_nr_UE.h index ef0240c28a6e3f5c092c897fb7aa160d4363f429..d3f1b4de8dca2aecabe48ab8b95572bb50c61fe0 100644 --- a/openair1/PHY/defs_nr_UE.h +++ b/openair1/PHY/defs_nr_UE.h @@ -790,6 +790,8 @@ typedef struct { uint8_t ho_initiated; /// \brief indicator that Handover procedure has been triggered uint8_t ho_triggered; + /// threshold for false dci detection + int dci_thres; /// \brief Measurement variables. PHY_NR_MEASUREMENTS measurements; NR_DL_FRAME_PARMS frame_parms;