电信运营商通信网络架构培训.pptVIP

6 2 2016 1 电信运营商通信网络概览 前世 今生与演进 6 2 2016 2 目录 全业务通信网络架构 无线接入网络 移动通信网络 有线接入网络 固网语音 宽带 传送网 传输网 IP宽带数据网 IP数据承载网 网管系统 OSS Q A 电信运营商全业务通信网络架构 IP化 FixedandMobileaccessesintegratedformaximalservicemobilityandoptimizednetworkuse WiMax MobileAccessHSPALTE FixedWirelessAccess Access接入网 FixedAccess GPON FixedLine xDSL WLAN Intelligentmulti accessedgeprovidingmobilityandQoS MultiAccessEdge多业务接入边缘 IPsessioncontrol EdgeRouting PolicyControl Deep packetinspection Security MediaGating Mobility ChargingControl Accessinterworking QoSenforcement SubscriberAccessManagement Reachabilityforend to endconnectivity StandardServices IMS核心网 电信网络业务控制 Multimediasessioncontrol Authentication Softswitch Identymanagement Pushtotalk Multimediatelephony Messaging Presence IPaddressallocation PartofOperatorsMultimediaOffering ServiceLayer业务网 IPTV MobileTV 3rdpartyservices Customizedapplications HDTVVOD VoIP Advertising Middleware CostperBitOptimizationwithCommonTransport Transport OpticalandIP Ethernet 传输 IP承载网 CarrierEthernet NextGenSDH CWDM DWDM OTN Microwave PTN Multicast Routing VPN IntegratedNetworkandElementMgmtSystems EndtoEndManagement网络管理系统 Reporting FaultMgm InventoryMgm TroubleMgm PerformanceMgm ServiceManagementNetworkManagement 10 ProtocolStacks OSI TCP IP OSIStack TCP IP 网络接入层最常用的二层技术为以太网 IEEE802 x InternetworkingLogicalLinkControl LLC CSMA CDTokenBusTokenRingMetropolitanAreaNetworks BroadbandTechAdvisoryGroupFiberOpticTechAdvisoryGroupIntegratedVoice DataNetworksNetworkSecurityWirelessNetworksDemandPriorityAccessLAN s WhatishighavailabilityinTelecomnetwork 99 999 DPM DefectsperMillion HighAvailability 电信网络对同步有严格要求 3G为例 信号传输与计费 Iub CN RNC NodeB UE Iu Uu 网络同步 节点同步 帧同步 无线接口同步 频率同步和时间同步的区别 时间同步 两个表每时每刻的时间都保持一致 频率同步 两个表的时间不一样 保持一个恒定的差 RAN对同步的需求 GSM WCDMA采用异步基站技术 此时只需要做频率同步 精度要求0 05ppm 或者50ppb TD SCDMA CDMA2000采用同步基站技术 除了频率同步外 还需做时钟相位同步 等效于时间同步 目前主要采用基站GPS解决 6 2 2016 16 目录 全业务通信网络架构 无线接入网络 移动通信网络 有线接入网络 固网语音 宽带 传送网 传输网 IP宽带数据网 IP数据承载网 网管系统 OSS Q A WirelessAccess TheMainCellularStandards 1 2 TheMainCellularStandards 2 2 20 2G GSM GlobalSystemforMobile WirelessAccess GSMRecommendations ETSI GSMNetworkSystemMode SGSN GGSN GMSC PSTNISDNPLMN RBSs SDHNetwork IPBackbone OSS PCU BSC TRC STM TDMBased TransitNetwork HLRAuCEIR MMSMPSFNRILRSDPSCP BGW SOG InternetIntranet MSC VLR RangesforDifferentTypesofMS ACell小区 Cell MSCServiceArea cell6 cell1cell5 cell4cell2cell3 MSC LA1 LA3 LA5 LA4 VLR RelationBetweenAreasinGSM GSMServiceArea PLMNServiceArea oneperoperator MSCServiceAreaLocationAreaCell LEGEND MSCBoundaryBSCBoundaryPCMLinksBaseStation PSTN MSCServiceArea2 MSCServiceArea1 MSC VLR2 BSC1C BSC2B BSC1A BSC2A BSC2C BSC1B HLR EIR AUC GMSC MSC VLR1 NetworkHardwareExampleView NetworkLogicalExampleView LA1 B LA1 A LA2 D LA2 A Cell2 A 25 LA2 B LEGEND MSCBoundaryBSCBoundaryPCMLinksBaseStation LA2 C HLR MSC VLR1 MSCServiceArea2 MSCServiceArea1 MSC VLR2 Roaming漫游 MSC VLR MSC VLR LA1 LA2 HPLMN VPLMN UplinkandDownlinkonaRadioChannel UPLINK 30 DOWNLINK 双工的通信模式 FDD TDD FDD的双向通道 是两个频段 所以叫做频分双工 FDD模式的特点是上下行频率分离在两个对称频率信道上 系统进行接收和传送 用保护频段来分离接收和传送信道 TDD的双向通道在同一个频点上 但一个时段接收 下一个时段发出 所以叫做时分双工 速度越快 衰落变换频率越高 衰落深度越深 因此必须要求移动速度不能太高 GSMFDDDuplexDistance MHz890DuplexDistance 45MHz 960 915 935 Bandwidth 2x25MHz GSMFrequencyBands GSM450 450 4 457 6and460 4 467 6 Totally7MHz 478 8 486 0and488 8 496 0 Nottargetedatthistime GSM800 824 849and869 894 Totally25MHz GHz GSM900 GSM1800 GSM1900 GSM 800 0 80 91 01 11 2 1 31 41 51 61 71 81 92 0 E band GSM450 P GSM900 890 915and935 960 Totally25MHz E GSM900 880 915and925 960 Totally35MHz GSM1800 1710 1785and1805 1880 Totally75MHz GSM1900 1850 1910and1930 1990 Total3l3y60MHz 6 2 2016 CarrierSeparation CarrierSeparation 200KHz 895 4 895 6 MHz TDMAAccessmethod Channelconcept CarrierFrequency TDMAFrame 555nn 1n 2 n x PhysicalChannel LogicalChannel TCHTCH FACCH TCH 5 TDMAFramen TDMAFramen 1 TDMAFramen 2 TDMAFramen x 3GWirelessAccess 3GPPSpecificationCodes GSM 3G Theevolutionofmobilesystem AMPS TACS NMT others 1G80 s Analog 2G90 sDigital Demanddriving GSM CDMAIS95 TDMAIS 136 PDC 3GIMT 2000 WCDMA CDMA2000 Demanddriving TD SCDMA Analog Digital Voice data Wideband MobileAccessTechnologyEvolution MultipleAccessApproaches FrequencyDivisionMultipleAccess EachUserhasauniquefrequency 1voicechannelperuser Alluserstransmitatthesametime AMPS NMT TACS User 1 User 2 User 3 Frequency EachTransmitterhasauniqueScramblingCode EachDataChannelhasauniqueChannelizationcodeManyuserssharethesamefrequencyandtime IS 95 cdma2000 WCDMA Frequency CodeDivisionMultipleAccess SpreadSpectrumMultipleAccess MultipleTransmittersandMultipleDataChannels EachUserhasauniquetimeslot EachDataChannelhasauniquepositionwithinthetimeslot Severaluserssharethesamefrequency IS 136 GSM PDC TimeDivisionMultipleAccess UserUserUser 123 User N Time 40 3G的三大主流技术标准比较 RBS RNC RNC TEMS CoreNetwork IubRBS RBS RadioAccessNetwork Iub Iu Iur Uu RXI OSS RC Mub Mut Mur Mun OtherManagementSystems Mun NetworkManagementEnvironment RNCRadioNetworkControllerRBSRadioBaseStationOSSOperationSupportSystem RadioCoreTEMSTEMSOptimizationSolutionRXIRadioAccessNetworkAggregator UE Uu WCDMARANOverview 无线信号传输中的多径效应RayleighFading TheRAKEReceiver COMBINER SearcherFingerPowermeasurementsofneighbouringRBS Sumofindividual multipathcomponents Finger 1 Finger 2 Finger 3 Finger N Buffer delayCorrelators 0 1 2 2 1 0 WCDMACapacityManagement AdmissionControl CellLoad Admissionlimit RBS WCDMACapacityManagement CongestionControl CongestionlimitCellLoad RBS WCDMAHandover Soft Hard Noshiftinfrequency Connectedtobothbasestationsatsametime Nobreakinconnection Shiftinfrequency Can tsimultaneouslyconnecttobothRBS s Breakinconnection Soft SofterHandover SofterHandover Sector to sector Softhandover cell to cell HSPAEvolution Uplink20 40Mbps MultiCarrier12Mbps16QAM5 8Mbps2msTTI1 4Mbps 0 4Mbps Downlink3 6Mbps15codes14Mbps 21Mbps 28Mbps MultiCarrier42MbpsMultiCarrier64QAM MIMOHigherModulationCombinations80 160Mbps 2x2MIMO 64QAM IS 95AVoiceLowspeeddata IS 95BVoiceMediumSpeedData cdma20001XVoiceCapacityHigherSpeedDataIntroductionofPCN cdma20001xEvDoPhase1DataOptimizedDedicated datacarrier overlay cdma20001xEvDvPhase2Voice DataCapacityMulti serviceAdvancedMACVoicecapacitydoublesrealtimeapplicationsAllinone carrier MACsupportVoiceCapacitydoubles2xbatterylifePacketdata144kbps 153kbps Performanceenhancements accessrobustnessPacketDatawith64kbpsCircuit PacketData9 6 14 4kbps Upto2Mbpsdataratenon realtimeapplications 2 1 25MHz carriersrequirement cdmaOne Evolutionto3G cdma2000 19961997 1998199920002001200220032004Implementations PlannedImplementations TD SCDMAStandardHistory TD SCDMA提交到ITUTD SCDMA在3GPP融合 98 06 99 12 00 05 01 03 ITU正式通过3G标准 TD SCDMA写入3GPPR4 TDDspectruminChina 155M 60MHz 30MHz FDDTDD 100MHz 15MHz 40MHz 155MHz 1785 1850 1755 1880 1920 1980 20102025 2110 2170 22002300 2400 Empty Year2002 MIIallocate155MforTD SCDMA BasedonTDMA TDDprinciple Employsasinglecarriertobothsendandreceivetraffictooptimizetheuseofradioresources TD SCDMAKeyTechnique U 上行 D 下行 未使用 TDD技术 智能天线 同步技术 动态信道分配 联合检测 接力切换 TD SCDMA 时分双工和码分多址相结合 最多可达16个码道 TD SCDMA特性 TDD的特性CDMA的特性 扩频增益较低 内在抗噪能力不如FDD系统 TD SCDMA与WCDMA cdma2000同步的比较 PN4PN1 GPS PN5 PN3 PN6 PN7 PN2 SC4SC1 SC5 SC3 SC6 SC7 SC2 同步小区 以同一PN序列的不同时移来区分小区 系统实现简单 易于实现切换及小区搜索 整个系统的运行依赖于GPS CDMA2000WCDMATD SCDMA 异步小区 以不同的扰码来区分小区 避免了对GPS的依赖 小区搜索由SCH实现及切换需要过程 SC4SC1 SC5 SC3 SC6 SC7 SC2 同步小区 为了降低时隙间干扰并便于终端对邻小区的测量 需保证基站间一定同步精度 相邻小区幀起始时间差 目前方案是每个基站配外接参考时钟口 例如GPS GPS 2 3GCommonCoreNetwork CircuitSwitching PacketSwitching GPRSnetworkintroducedPSdomainincorenetwork Internet ISPRADIUSMAILWEBNEWS SGSN GGSN ISP GPRSIPBackboneNetwork SGSN GGSN RADIUS MAIL WEB NEWS To Gi WCDMARAN GSMBSS A interface 3GPPReleases The 3GPPproducesacompleteset ofgloballyandReportspublishedin applicableTechnicalSpecificationsfortheUMTSstandard Thesearereleases R4MSS IPCore R6HSDPAP2 EULP1 MBMS R5HSDPAP1 IMS R9913Gnetworks st LTE HSPAEvolved 60 3GPPREL 99 UTRANintroduction newradiointerface IntroductionofEDGE EGPRS CamelPhase3EMS EnhancedSMS Textformatting font size style pictures animations soundsMMSintroduced mainlyconceptonly LocationServices LCSarchitecturedefined 3GPPR99NetworkReferenceModel Co operatingNetworks UserEquipmentCoreNetwork RadioAccessNetwork Note Notallinterfacesareshownandnamed BSC BTS Um Abis BSS HLR EIR AUC GMSC SGSN SGSN GGSN IuCS MSC VLR IuPS RNC NodeB Uu Iur Iub RNC NodeB Iub RNS RNS UTRAN Iur ME Cu or SIM MEi fMS USIM SIM ISDNPSTNPSPDNCSPDNPDN IntranetExtranetInternet X 25 SMS MSC VLR SCF SIMMESIM MEi fMS 3GPPR4 MainlyimprovementsandoptimizationFirstjointGSM 3GPPreleaseBearerIndependentCSarchitectureSeparationoftransportandcontrolintheCScorenetwork MSCserver MGW NewSpeechCodingOptionsTFO TandemFreeOperationTrFo TranscoderFreeOperationOoBTC OutofBandTranscoderControlTowardsallIParchitectureIPtransportforcorenetworkprotocols SS7overIP Sigtran GboverIP GERANtoSGSNinterface MMSimprovements significantenhancements LCSimprovements mainlydocumentationre org 3GPPR4NetworkReferenceModel CC AUC SMS Note Notallinterfacesare shownandnamed AUC Gn SGSN Gp RNC NodeB UTRAN Iur DCHSS HLR SGSN Gn Gi Co operating Networks UserEquipment RadioAccessNetwork CoreNetwork BTS Um Abis BSS F EIR A GMSC Server Gf GsGb Gr GGSN GdGc IuCS MGW H IuPS RNC NodeB Uu Iur Iub Iub RNS RNS ME Cu or SIM MEi fMS USIM SIM ISDNPSTNPSPDNCSPDNPDN IntranetExtranetInternet MSC VLR Server SCF ME SIM MEi f SIM MS MGW MSC VLRServer Mc Nb Nc MGW Nb McNc Mc GE T SGW BSC SMS SCF 3GPPR5 HSDPA TheHSDPAtechnologysignificantlyimprovestheUMTSdownlinkperformancethroughtechniquessuchas adaptivemodulationandcodingFastscheduling channelqualityfeedbackFastretransmissionsandimprovederrorcontrolIntroductionofIMS3GPPaccessonly PSdomainonlyTowardsallIParchitectureIPtransportinUTRANWithIPtransport layer2cannowbeATMorEthernetorotherprotocols Layer2nolongerhastobeATM beforeRel 5 ProvidesamorescalableandcosteffectivetransportsolutionMSCandSGSNpoolareasCamelPhase4EMS MMSandLCS furtherenhancements TE TE MT BSS GERAN R Um MT UTRAN R Uu SGSN GGSN MGW MGW MSCserver GMSCserver HSS EIR CSCF CSCF MRF MGCF SGW PSTN Legacy External Other PLMNs SGSN Applications Services Multimedia IPNetworks Applications Services OtherAccessNetworks Signallingand ordataSignalling I u Iu Iu Mc Nb Nc MAP Mh MAP Mc Gi Gp Gn Gf Gr Cx CAP Gc Mr Gi Gi Mc MmGi Mw Nb Mg CircuitSwitchedDomain IPMultimediaDomain PacketSwitched Domain 3GPPR5NetworkReferenceModel ISUP PSTN PLMN Networks Corporate TSC CPE BSC GSM PBX Corporate MMSC MSSC C MSC TDM RNC WCDMA IP TDM ATM TDM ServiceLayer M MGw MSC S MMSSCC SS MSC S MMSSCC SS IPBB CSCF IBG MRFP Other IMSNetworks IPBB ABGW MGCF M MGw IM MGw OvercomeMSS Monolithicoverlaynetworkthrough migrationtoMSSwithIP MPLSastransporttechnology PhaseoutofmonolithicnodesandreplacecapacitythroughfewerhighcapacityMSSnodes MigrateclassicalPBXaccesstoMSS MSStargetnetworkevolution1 MonolithicphaseoutandmigratetocommoncoreMSS TDM ISUP BSC GSM TDM RNC WCDMA ATM TDM ServiceLayer M MGw MSC S MMSSCC SS MSC S MMSSCC SS IPBB CSCF IBG Other IMSNetworks IPBB MGCF M MGw IM MGw TDM MSStargetnetworkevolution2 MigrateAccessinterfacestoIP MigrateIuandAinterfacetoIP MRFP IP ABGW PBX CPECorporate Corporate PSTN PLMNNetworks ISUP BSC GSM TDM RNC WCDMA ServiceLayer M MGw MSC S MMSSCC SS MSC S MMSSCC SS IPBB CSCF IBG Other IMSNetworks IPBB MGCF M MGw IM MGw TDM MSStargetnetworkevolution2 MigrateAccessinterfacestoIP MigratelegacyPBXcustomerstoIPPBXiflegacyPBXreachEoL MRFP IP ABGW IPP BPXBX CPECorporate Corporate PSTN PLMNNetworks ISUP BSC GSM TDM IntReNgCrateMGCFandIBCFintoMMSSC CS S MRFP IP ABGW IPP BPXBX CPECorporate Corporate PSTN PLMNNetworks WCDMADeployIPv6 ServiceLayer M MGw MSC S MSC S MSC S MMSSCC SS IPBB CSCF IBG Other IMSNetworks IPBB MGCF M MGw IM MGw IntegrateIM MGw MRFPandIBGFintoM MGw MSStargetnetworkevolution3 IMSintegrationfornetworkconsolidationandasteptowards AllIP ISUP BSC GSM TDM IBG IM MGw IntReNgCrateMGCFandIBCFintoMMSSC CS S IWnCtDeMgArateIM MGw MRFPandIBGFintoM MGw ServiceLayer M MGw MMSSCC SS MSC S MMSSCC SS CSCF Other IMSNetworks MGCF M MGw MSStargetnetworkevolution3 IMSintegrationfornetworkconsolidationandasteptowards AllIP MRFP MGCF IBCF IPBB IPBB DeployIPv6 IM MGw IBGF MRFP IP ABGW IPP BPXBX CPECorporate Corporate PSTN PLMNNetworks ISUP BSC GSM TDM RNC WCDMA IP ServiceLayer M MGw MSC S MMSSCC SS MSC S MMSSCC SS CSCF Other IMSNetworks M MGwIM MGw MSStargetnetworkevolution4 CommonIPtransportnetwork MRFP IBGF MGCF IBCF IPIPBBbackbone ABGW IPP BPXBX CPECorporate Corporate PSTN PLMNNetworks IPBB ISUP BSC GSM TDM RNC WCDMA M MGw MSC S MMSSCC SS MSC S MMSSCC SS CSCF Other IMSNetworks M MGwIM MGw MRFP IBGF MGCF IBCF IPIPBBbackbone MSStargetnetworkevolution5 SIP Itointerconnectotheroperators MigrateTDMnetworkinterconnecttoSIP I enablingIPtransportofuserplaneEnhanceMGCFtointerworkwithTISPANnetworks ABGW IPP BPXBX CPECorporate Corporate PSTN PLMNNetworks ServiceLayer BSC GSM RNC WCDMA M MGw MSC S MMSSCC SS MSC S MMSSCC SS CSCF Other IMSNetworks M MGwIM MGw MRFP IBGF MGCF IBCF IPIPBBbackbone MSStargetnetworkevolution6 SIP IwithinPLMN ServiceLayerDeploySIP IwithinPLMN SIP I ABGW IPP BPXBX CPECorporate Corporate PSTN PLMNNetworks MSStargetnetworkevolution7 NetworkConsolidation Sharing M MGwIM MGw RNC WCDMA BSC GSSMerverconsolidationovercountrybordersEasyoperationandexpansioninother MRFP IBGF Other IMSNetworks CSCF M MGw MMMSSCC SS SC S MMSSCC SS MSC S IPbackbone M MGwM MGw Country2 MGCF IBCF ServiceLayer markets justaddMGwconnectivity ABGW IP PBX CPECorporate Corporate PSTN PLMNNetworks MSStargetnetworkevolution M MGwIM MGw WCDMA BSC GSM MRFP IBGF Other IMSNetworks CSCF M MGw SC S MMSSCC SS MSC S IPbackbone IBCF IMSintegrationandSAE LTEcoexistenceDeployIMSCentralisedServicesUpgradeMSC Sto eMSC providingSIPUNIclientEnablesIMSregistrationforCSattached RNC MMMSSCC SS subscriberM MGwM MGw Country2 MGCF ServiceLayer eMSC CSSignalling SIP ABGW IP PBX CPECorporate Corporate PSTN PLMNNetworks LTE MMEMME ServingPDN Gw Gw IntranetInternet MME MME MSStargetnetworkevolution9 IMSintegrationandSAE LTEcoexistence M MGwIM MGw RNC WCDMA BSC GSM MRFP IBGF Other IMSNetworks CSCF M MGw MMMSSCC SS SC S MMSSCC SS MSC S IPbackbone MGCF IBCF eMSC ConnectSAEandMSS IntegrateInterworkingFunctionIWFintoMSC StosupportSingleRadioVoiceCallCM oMnGwtinuitySRVCC handoverbetweenLTEandlegacMy MGCwS Country2 ServiceLayer IWF ABGW IP PBX CPECorporate Corporate PSTN PLMNNetworks LTE MMEMME ServingPDN Gw Gw IntranetInternet MME MME MSStargetnetworkevolutionIMSintegrationandSAE LTEcoexistence M MGwIM MGw RNC WCDMA BSC GSM MRFP IBGF Other IMSNetworks CSCF M MGw MMMSSCC SS SC S MMSSCC SS MSC S IPbackbone M MGwM MGw Country2 ServiceLayer MGCF IBCF eMSC IWF ABGW IP PBX CPECorporate Corporate PSTN PLMNNetworks SIP SIP I IP IP SoftswitchPSTN PLMN IMS IPinterconnecttoothernetworks All IPnetworkfullyimplemented MSC S MSC S GCP GCP SIP I SS7 IP IP MSS M MGw M MGw ServiceLayer IP IuoverIP 2GRadioAccessAoverIP 3GRadioAccess SIPIP PBX AccessinterfacesoverIPenablingtransportefficiencyandsynergies OptimisestheMGwselectionandenablesEnd to EndAMRWB AllIPenablingtransportefficiency optimizationofnetworkr6e 2s 20o16urces superiorspeechqualityandIMSinterworki79ng IPbasedcorenetwork bandwidthefficiencythroughIPmultiplexing Nb PacketCoreEvolutionPathSmooth Architectureevolution Boostingthepacketcapacity 2 MobileBBintroduction 1 IntroductionofSAE LTE 3 Userplaneoptimization 4 ServiceAwareChargingandControlHSPAsupportedbySWupgradesPooling All IPSGSNPoolRNC GGSN Charging PolicyControlIMS IPnetworks IntroductionofSAE LTE 123 Boostingthepacketcapacity Userplaneoptimization 4 Mobilebroadbandintroduction EvolvedPacketCoreSmooth Architectureevolution RNC SGSNPool GGSN 3GDirectTunnelMBMSHSPAevolution IPnetworks BM SC Payloadpath3GDT IntroductionofSAE LTE 23 Boostingthepacketcapacity Userplaneoptimization 4 Mobilebroadbandintroduction 1 EvolvedPacketCore Smooth Architectureevolution LTERANboostscapabilitiesGGSNtoaccess generic Gateway SGSNto Mobilityserver RNC SGSN MMEServer GGSN Gateway MobileIP IPNetworks Non 3GPPaccessegWLAN Charging PolicyControl IMS IntroductionofSAE LTE 3 Boostingthepacketcapacity 2 Userplaneoptimization 4 Mobilebroadbandintroduction 1 EvolvedPacketCore Smooth Architectureevolution Regional localIPGatewaysCentralizedserversreducesOPEXOptimizedIPsavestransport reducesdelaysSynergieswithfixedaccessMMEServersandSGSNPoolIPnetworksGatewayRNC IPNetworks IntroductionofSAE LTE 23 Boostingthepacketcapacity Userplaneoptimization 4 Mobilebroadbandintroduction 1 EvolvedPacketCore Smooth Architectureevolution 4G LTEAlias ListentoEricsson History Evolution 1GFDM NMT AMPS TACS Voice analogtraffic digitalsignaling 80 s 2GTDMA GSM D AMPS PDC andCDMA IS 95 90 s Voice SMS CSdatatransfer 9 6kbit s 50kbit sHSCSD 2 5GTDMA GPRS PSdatatransfer 50kbit s2 75GTDMA GPRS EDGE PSdata 150kbit s 00 s 00 s 3 3 5GWCDMA UMTS andCDMA200000 sPS CSdatatransfer 14Mbit s HSPA Voice SMS4GOFDM LTE SAE 10 sVoIPandData 100Mbit s4G Advanced LTE A B DrivingforcesbehindLTE Performance HigherpeakratesHigherbandwidthDesignedfor alwaysonapplications fromstartCost Nocircuitswitcheddomain 2nodearchitecture LowOPEXSimplieroperationwithlesstoconfigureandhigherdegreeofselfconfigurationSpectrumflexibility Useofnew re farmedorunusedspectrumFDDandTDDVariablechannelbandwidth LTEdevelopmenthistory 2005 2006 2007 2008 2009 3GPPLTE CommericalProductReleases LTEDevelopment LTETestbed StudyItem WorkItem HWDevelopment LTEHW LTEFOA LTEGA RANI VUEIODT prototypetesting SWDevelopment DrivetestsTDD MIMO Labdemo L3 CR funcgroth LTEcommercialreleaseduring2009 88 Widerangeofbandsenablesglobalsupport 89 3GPPBandsforLTEFDD TDD LTE Targets HighdataratesDownlink 100MbpsUplink 50MbpsCell edgedatarates2 3xHSPARel 6 2006 Lowdelay latency UserplaneRTT 10msRANRTT fewernodes shorterTTI Channelset up resp 100msidle to active fewernodes shortermessages quickernode HighspectralefficiencyTargeting3XHSPARel 6 2006 SpectrumflexibilityOperationinawide rangeofspectrumallocations newandexistingWiderangeofBandwidth 1 4 1 6 3 0 3 2 5 10 15and20MHz FDDandTDDSimplicity Lesssignaling AutoConfiguratione NodeBCost eff