3G网络结构.ppt

3G网络结构—RANRANO&MUuUEUEUE = User EquipmentRAN = Radio = workNMS = Network Management SystemService PlatformService PlatformUTRAN网络结构Node BUuRNCIu(CS)RNCIurNode BUu分组域电路域UEUEIubIub核心网Iu(PS)Iu(PS)Iu(CS) (work)circuit switched (cs) domainpacketswitched (ps) domain3GMSC/VLR3GSGSNUTRAN (UMTS Terrestrial Radio work)ode BNode work ControllerUEUser Equipment = Mobile Equipment (ME) + Universal SIM (USIM)ode BNode work Subsystem (RNS)work Subsystem (RNS)IubIubIurIu-PSIu- (work)circuit switched (cs) domainpacketswitched (ps) domain3GMSC/ode BNode work Subsystem (RNS)IubIu-PSUuBSCBTSBTSBSCIu-CSBSSIu-CSA2GSGSNGbIu-PSIu-gIu-gUmHW/SW ChangesMSC&VLRHLR & AC & EIRPSTNBSCBSCBTSBTSTCSMTCSMISDNA work is made from 3 Sub-Systems (BSS, NSS and OSS)Value AddedService Platform(s):SMSC, VMSEven at the start, VAS (value added services) were part of worksTRX Change & Transmission UpgradeHW/SW ChangesININ was introduced for new services and differentiation (. Pre-Paid)worksData Rates in GSM are increased by implementation of Features like worksGPRS is added to works to support Packed DataHigher data rates are obtained by introducing EDGE in the workUMTS Rel'3; new BTS, work Controller, Media Gateway, 3G-SGSNRNCBTS3G-SGSNMGWGPRS adds improved data services with a new Packets witched backbone Where SGSN and GGSN are two main elementsPCMISUPATMRANAP S7Iu-PSRANAP S7,(later also over IP)ATMRNSAPIubATMNBAPMSCTCSMRANMobility CoreBSCMSCATM Module2GSGSN3GSGSNRNCRNCGbAbisHLRControlTransportInterfacePCMLapDAControlTransportInterfacePCMBSSAPControlTransportIu-CSControlTransportInterfaceControlTransportInterfaceATM/IPIurControlTransportInterfaceControlTransportInterfaceGSMBTSWCDMABTSPSTNPCMISUPATMRANAP S7Iu-PSRANAP S7,(later also over IP)ATMRNSAPIubATMNBAPMSCTCSMRANMobility CoreBSCMSCATM Module2GSGSN3GSGSNRNCRNCGbAbisHLRControlTransportInterfacePCMLapDAControlTransportInterfacePCMBSSAPControlTransportIu-CSControlTransportInterfaceControlTransportInterfaceATM/IPIurControlTransportInterfaceControlT