无线通信-3G无线接入网的传输技术

1©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00033G无线接入网的传输技术SESSIONCHN-00032©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003议程•3G及其无线传输网络（RAN）发展简介•RAN传输技术ATMGSM/UTRAN的IP传输技术CDMA2000的IPRAN3G及其无线传输网络（RAN）发展简介CHN-0003333©2005CiscoSystems,Inc.Allrightsreserved.4©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003移动通信网络的演进及系统结构Circuit/SignalingGatewayFeatureServer(s)MobilityManager2G/2.5G2GINServices3GData+PacketVoiceNetworkFeatureServersValueChainFullIP’sArchitecturePeer-to-peerarchitectureFullIP’sArchitecturePeer-to-peerarchitectureMSCCircuitSwitch1BorderRouterBSCVoice(LegacyFeatures)CallAgentInternetCoreIPCoreDataDataVoiceVoiceVPNVPNPacketVoicePacketVoiceMultimediaMultimediaUnifiedCommunicationsUnifiedCommunicationsGGSN/PDSNCircuitNetworkCircuitPacketTrafficIPRANITPCorePacketTDMRANRNC/BSC5©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00032Gto3GEvolutionTimelineIS-95BCDMA20001xRTTCDMA20001xEV-DOGSM/GPRSIS-95AGSMWCDMAGSM/EDGEVoice;9,6-14.4KVoice;9,6KVoice;64-115KDataOnly(upto2.4Mbps)Nearlydoublesvoicecapacity;307KVoice;10-60KVoice;100KVoice;64-384KWCDMA(Japan)PDCVoice;9,6KVoice;64-384K6©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00033G体系结构SS7SGSNPIv4/v6InternetPrivateVPNMGWMSCServerGGSNPDSNNodeBRNCAggregationCellSiteRouterBTSUMTSAggregationCellSiteRouterGMSCServerITPMGWBSCPCFCDMA2000PSTNRANAccessRANCoreMPLS/VPN/QoS/IPv6/Security/…Enabled…ATM/IPTransportIPTransport7©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00033GPPUMTS网络结构MSCGMSCMSCMSCNodeBPSTNNodeBHLRAuCVLRVLRVLREIRRNCINTERNET3SGSN3GGSN3GUTRAN(UniversalTerrestrialRAN)IPIPIPIPRNCIPIPIMSIMSIubIubIupsIucsIupsIucsIur8©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00033GPP2CDMA2000网络结构IMSIMSMSCGMSCMSCMSCBTSPCFPSTNBTSHLRAuCVLRVLRVLREIRINTERNETPDSNRadioAccessNetworkPCFIPIPIPIPIPAAAHAA1p/A2pA10/A11A1p/A2pA10/A11A8/A9A8/A9A3/A7AbisAbis9©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00033G对无线传输网的要求•容量/带宽•冗余备份•灵活性•多业务•Capex/Opex10©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003RAN无线接入网络架构的演进业务应用的承载将基于IPMSCBTSToday(1G/2G:GSM,CDMA,TDMA)NodeBVRNCRNCIPRadioIPBTS/NodeBIPMeshRANIPATMGSM-3GR99/R43GR4-3GR5GSM-3GR5CDMA-3GPP21G/2G-4GNodeB-ATM(3GR99/R4)IPRadio(3GR5/3GPP2)Flarion4G(IP)TDMRAN传输技术CHN-0003111111©2005CiscoSystems,Inc.Allrightsreserved.12©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003ATM——3GUMTSRelease99/Release4MSCGMSCMSCMSCNodeBPSTNNodeBHLRAuCVLRVLRVLREIRRNCINTERNET3SGSN3GGSNRadioAccessNetworkATM/AAL2ATM/AAL5ATM/AAL2ATM/AAL5RNCVoice+Data+MultimediaVoice+Data+MultimediaLinksareconvertedfromTDM/IPoXtoATMGPRSSGSN/GGSNarereplacedwith3Gversions(3GServingGPRSSupportNode)13©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003UTRAN网络的ATM连接PDN/InternetIupsIucsNodeBRNCRNCMSC/VLRPSTNGGSNTransitSGSN“PureIP”IurATMAAL2&AAL5ATMAAL5ATMAAL2&AAL5ATMAAL2&AAL5NMS在Iu-b接口：ATM汇聚是必要的功能（大量的VCs到少量的接口）；在Iu接口：ATM交换是必备的功能；14©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003ATMIP/MPLSR4withIPMGWvoiceinterconnectBTSBSCNodeBRNCBTSBSCMGWNodeBRNCMGWRANEdgeRANCoreMSCServerGMSCPSTNSDHATMIP/MPLSATM15©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-00033GR4architecturewithmultiserviceIP/MPLScoreNodeBMGWGMSCNodeBNodeBRNCnxE1SGSNSS7PSTNIuPSGnSignalingGiVoiceDataInternetSTM1ATMSTM1ATMGGSNIuCSMPLSVPN1ATMoverMPLSIP/MPLSCoreATMoverMPLSGnSignalingCorporateaccess16©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003RAN优化——GSM/UMTSRAN传输解决方案MWRNodeBBSCATM/AToMRNCMGW/MSCSSGSNIu-bIu-psAbisGnIPPSTNAAL5AAL2/5GTP,IPE1622M/25GCNUTRANGGSNGSMN*E1NodeBBTSMWRMWRSDHAMSCIu-csIu-csMWRBTSN*E117©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003RAN优化——蜂窝基站上的IP应用GSMBTSBSCUMTSNodeB(R4/R99)HSDPARNCTDMTDMATMATMT1/E1OptimizedAbis/IuboverIPPWLANWCDMA-TDDWiMAX(802.16/20)MobileIP/FAVoIPContentCachingMultiVPNIPMulticastingQoSPPPDHCPRouting100Base-TCiscoMobileExchange100Base-TIP-PBXIPCameraUMTSNodeB(R5/R6)IPIPCiscoONS15454CiscoMWR1941-DC-AReachNewCustomerswithNewServicesPoweredbyIntelligentCellSiteIPCellSiteAccessNetworkBSC/RNCSiteMobileInternetEdge18©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003RAN优化——基站数据高速回传RNCBSCGSM/GPRS/EDGEBTSTDMTDMATMATM100Base-TCiscoMobileExchangeGSMBTSUMTSNodeBHSDPACellSiteAccessNetworkBSC/RNCSiteMobileInternetEdge100Base-T802.16MetroEAlternativeBackhaulOptions:xDSLCableMetroEthernet802.16/20AlternativeBackhaulOptions:xDSLCableMetroEthernet802.16/20CiscoMWR1941-DCCiscoONS15454PWLANWCDMA-TDDWiMAX(802.16/20)19©2005CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialCHN-0003CDMA2000IP无线传输网•DecreaseOperatingExpenditures•EnableNewApplicationsatRANEdgeandIncreaseServiceVelocity•ReducedNetworkComplexity•ProvideGracefulRANMigration•Adaptwithchangesandevolutionsofcellsiteequipment,RANarchitectures,backhaultechnologies,andnewbusinessmodels•InvestmentProtection•ProvenTechnology•End-to-EndTransportSolutionallIPnoconversionsrequired20©2005CiscoSystems,Inc.Allrightsreserved.CiscoCon