ho-cssr流程图-话务统计点

切换流程: Assignment Complete HO Channel Assigned Assignment Successful Assignment Failure Stop T10 MA_FAIL_FROM_MS Handover Recognized INTRA_CELL_HO_REQ OUT_INTRA_BSS_HO_REQ OUT_INTER_BSS_HO_REQ Start T10 MA_CMD_TO_MS Internal HO Initiated Channel Activation Acknowledge Physical Context Request Internal HO Assignment HO_FAIL_NO_RESOURCE SABM Physical Context Confirm INTRA_CELL_HO_RETURN INTRA_CELL_EQUIP_FAIL Assignment Command INTRA_CELL_HO_ATTEMPT Establish Indication INTRA_CELL_HO_SUC INTRA_BSS_HO_CAUSE_SUC Assignment Command Handover Performed Stop T10 Unsuccessful Assignment Radio Channel Released Assignment Complete INTRA_CELL_HO_LOSTMS CLR_REQ_TO_MSC Assignment Failure If T10 expires Internal HO Initiated AckInternal HO Assignment Ack Channel Activation HO Resource Not Available Internal HO request Channel Activation Channel Activation Ack Handover Allocation Stop timer ho_allocation IN_INTRA_BSS_NC_ATMPT Start Timer HO_COMPLETE Handover Recognized Received Initiate Intra Cell HO Start ho_ack Stop ho_ack Start ho_allocation Stop ho_allocation and ask SM to update the TDM map Start Timer ho_allocation Initiate Handover Handover Command Start T3103 OUT_INTRA_BSS_HO_ATMPT OUT_HO_NC_CAUSE_ATMPT OUT_HO_CAUSE_ATMPT Start T8 Trans Req Switch Response Success Handover Command Handover Access Max 4 times Physical Info SABM UA HO Detection Received HO Complete HO Success IN_INTRA_BSS_HO_SUC OUT_INTRA_BSS_HO_SUC IN_INTRA_BSS_NC_SUC OUT_HO_NC_SUC INTRA_BSS_HO_SUC HO Performed Handover Detection Establish Indication HO Complete Internal HO Request HO Resource not Available OUT_INTRA_BSS_HO_PRI_BLKHO_FAIL_NO_RESOURCE S Stop T3103 Initiate Handover Handover Command Handover Failure Unsuccessful Handover OUT_INTRA_BSS_HO_RETURN OUT_INTRA_BSS_EQUIP_FAIL IN_INTRA_BSS_HO_RETURN IN_INTRA_BSS_EQUIP_FAIL If Timer HO_COMPLETE expiry Radio Channel Released If T8 expiry Radio Channel Released If T3103 expiry OUT_INTRA_BSS_HO_LOSTMS CLR_REQ_TO_MSC Clear Request Stop T8 Blast Deallocate Inactive DCH Stop T8 Stop Timer HO_COMPLETE Start Timer channel_teardown Jason Wu Handover Procedure Page 3 2018/8/24 Handover Required CR (Handover Request) Handover Request Handover Channel Assigned Channel Activation Channel Activation Ack Handover Allocation Connection Request Switch Response OUT_INTER_BSS_REQ_TO_MSC Start T7 HO_REQ_MSC_OK Handover Request Ack Handover Command Stop T7 OUT_INTER_BSS_HO_ATMPT OUT_HO_NC_CAUSE_ATMPT OUT_HO_CAUSE_ATMPT Initiate Handover Handover Command HO Access Handover Detection Handover Detection received Handover Complete IN_INTER_BSS_HO_SUC Phy Info SABM UA Establish Indication Handover Successful Handover Detect Handover Complete Clear Command OUT_INTER_BSS_HO_SUC Handover Request Handover Failure HO_REQ_MSC_FAIL Handover Command Initiate Handover Handover Command Handover Failure Radio channel released OUT_INTER_BSS_HO_RETURN OUT_INTER_BSS_EQUIP_FAIL HO_REQ_MSC_FAIL Handover Failure Start T8 Release radio channel stopt T8 If T8 expired Unsuccessful Handover OUT_INTER_BSS_HO_LOSTMS Start HO_Successful Stop HO_Successful Start Timer HO_COMPLETE Stop Timer HO_COMPLETE 附件：呼叫建立成功率的流程图 Channel Request OK_ACC_PROC_SUC_RACHACCESS_PER_RACH INV_EST_CAUSE_ON_RACH Channel Required CHAN_REQ_CAUSE_ATMPT Channel Required Received Channel Assigned ALLOC_SDCCH Channel Activation Channel Activation Acknowledge Immediate Assignment Command Immediate Assignment Command ACCESS_PER_AGCH SABM(L3 Init Msg) Establish Indication STOP rr_t3101 OK_ACC_PROC CHAN_REQ_MS_FAIL (if Rr_t3101 expires) UA Immediate Assignment RejectCHAN_REQ_MS_BLKD START rr_t3101 Initial L3 Info. CONN_REQ_TO_MSC CR Complete L3 Info. CC CREFCONN_REFUSED MA_REQ_FROM_MSC Assignment Request(CIC) Initial Assignment Assignment Resource Request Assignment Channel AssignedALLOC_TCH ALLOC_TCH_FAIL Resource not Available Unsuccessful Assignment Authentication Ciphering TMSI Reallocation Call Setup Assignment FailurePhysical Context Request Physical Context Confirm Channel Activation MA_CMD_TO_MS_BLK ALLOC_SDCCH_FAIL Start timer assign_successful Stop timer assign_successful Jason Wu Handover Procedure Page 5 2018/8/24 Data Request (Assignment Command) Assignment Complete Assignment SuccessfulData Indication (Assignment Failure) MA_FAIL_FROM_MS Connection Request TOTAL_CALLS MA_COMPLETE_TO_MSC Channel Activation Acknowledge Assignment Command Start bssmap_T10MA_CMD_TO_MS Data Indication (Assignment Complete) Stop bssmap_ T10 Assignment Failure return to sdcch Switch Response Success Assignment Complete Unsuccessful Assignment Stop timer assign_successful If T10 expires, which means the MS cant tune to the TCH and it also fails to retun back to the SD.Youll see high ASSIGN_FAILURE_RATE_LOST =(MA_CMD_TO_MS-INTRA_CELL_HO_SUC- MA_COMPLET