[信息与通信]TD-SCDMA关键KPI指标分析与提升.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * UE NodeB(s) RNC(S) BTS . Measurement Control(2D2F) RB Reconfiguration Complete Measurement Report(2D) 4.6 2D+3C触发AMR12.2kTD-》GSM切换信令图 Radio Link Request Radio Link Response DL Sync UL Sync BSC CN（TD) Relocation Required Relocation Request Relocation Request Acknowledge Relocation Command MSC(GSM) Map_Open_Request Relocation Prepare handover Map_Open_Confirm Relocation Prepare Response Measurement Control(3C) Measurement Report(3C) UE NodeB(s) RNC(S) NodeB(T) . HandOverUTRANFromGSM 与目标小区进行DCH同步 4.6 2D+3C触发AMR12.2kTD-》GSM切换信令图 RL restore Indicator RNC(T) CN（s) Relocation Detect CN（T) HandoverUTRANFromGSMComplete Relocation Complete Relocation_handover Complete Iu Release Command Iu Release Complete RL delete Request RL delete Response Physical Information UE NodeB(s) RNC(S) BTS . 4.7 3A触发PS业务TD-》GSM切换信令图 BSC SGSN（TD) SGSN(GSM) RB Reconfiguration Complete Measurement Control(3A) Measurement Report(3A) CellChangeOrderFromUTRAN 执行小区重选System Information Type Channel Request Immediate Assignment Location Updating Request Identity Request Identity Response Authentication Request Authentication response CipheringModeCommand CipheringModeComplete TMSI ReAllocation Command TMSI ReAllocation Complete UE NodeB(s) RNC(S) BTS . 4.7 3A触发PS业务TD-》GSM切换信令图 BSC SGSN(TD) SGSN(GSM) Location Updating Accept Location Updating Complete Route Area Updating Request SRNS Context Request SRNS Context Response SRNS DataForward Command Forwarding SRNS Context Data Iu Release Command Iu Release Complete RL delete Request RL delete Response CommonID Authentication and Ciphering Request Authentication and Ciphering Response Route Area Updating Accept Route Area Updating Complete RRC Connection Setup