WiMAX技术发展趋势.ppt

WiMAX技術發展趨勢:過去、現在與未來,長庚大學資訊工程學系陳仁暉副教授Tel:(03)211-8800Ext:5990Email:.twURL:.tw/jhchenDecember16,2008,NDSLabCopyright2008,2,Outline,BackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE8021.6j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX,NDSLabCopyright2008,3,WirelessStandards,4mainusagesegmentsarespecifiedRange,Power,Source：拓墣產業研究所，2004.02,WII,NDSLabCopyright2008,4,WiMAXonthePathofFixed/MobileConvergence,WillConvergence,NDSLabCopyright2008,5,DeploymentofWiMAXService,Source:WiMAXForum/Siemens,BackhaulFeedingPoint-to-pointlinkforfixedinfrastructureFixedWirelessAccessWirelesslocalloopforhot-spotfeedingNomadicAccessCPEsinhot-zoneaccesstheservicedirectlyPortable/MobileAccessHandoverfunctionenablingmobiledatafeeding,NDSLabCopyright2008,6,WhyWiMAX?,EvenhavingSprintwin,WiMAXisstillamid-termtolong-termtechnology,NDSLabCopyright2008,7,Outline,BackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE802.16j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX,NDSLabCopyright2008,8,BackgroundofIEEE802.16,1998:IEEE802SGon“BroadbandWirelessAccess”(BWA)(Prof.RogerB.Mark,Chair,IEEE802.16WG,Jan.2001)1999:1stIEEE802.16ProjectScope:PHYandMAClayeroftheairinterfaceofinteroperablefixedpoint-to-multipointbroadbandwirelessaccesssystems.Thespecificationenablestransportofdata,video,andvoiceservices.Itappliestosystemsoperatinginthevicinityof30GHzbutisbroadlyapplicabletosystemsoperatingbetween10and66GHz.,NDSLabCopyright2008,9,IEEE802.16Standards,802.16MAC+10-66GHzPHY,802.16a2-11GHzPHY,802.16cConformance,802.16-2004Revision,802.16eMobility,802.16/Cor1Maintenance,802.16e-2005Revision,802.16h-2009LicenseExempt,802.16jMulti-hopRelay,802.16fMIB(fixed),802.16iMIB(mobile),802.16gManagement,802.16kBridging,802.16/Conf0110GHzPICS,802.16/Conf0310GHzRCT,802.16/Conf0210GHzTSS&TP,802.16/Conf0411GhzPICS,802.16.2-2001Coexistence,802.16.2-2004Revision,Management,Coexistence,Conformance,AirInterface,:finalizedandpublished,:underdevelopment,802.16mNextGenerationWiMAX2,802.16Rev2Consolidate,NDSLabCopyright2008,10,WiMAXForum/,WiMAXForumWiMAX:WorldwideInteroperabilityforMicrowaveAccessFormedinApr2001,byIntel,Proxim,Airspan,Fujitsu,etc.500+membersincludingIntel,R&S,Alvarion,Wavesat,PicoChip,Sony,Samsung,Nokia,TI,ADI,III,ITRI,etc.MajorMissionsTopromotedeploymentofBWAbyusingaglobalstandardandcertifyinginteroperabilityofproductsandtechnologies.Developbaselinetestspecs,tofacilitatetheglobalinteroperabilityofproductsandtechnologiesSupportIEEE802.16standards,WiMAXProductCertification802.16-2004CPE:Wavesat,Airspan,Siemens,802.16-2004BS:Aperto,Redline,Sequans,Airspan,Siemens,Preparingfor802.16ecompliance,WiMAXForum,TWGTechnical,CWGCertification,NWGNetwork,SPWGServiceProvider,RWGRegulatory,AWGApplication,EWGEvolutionary,GRWGGlobalroaming,MWGMarketing,NDSLabCopyright2008,11,WiMAXForumCertification,WiMAXequipmentsarecertifiedbyWiMAXForumafterpassingthecertificationtestsofWFDCL(WiMAXForumDesignatedCertificationLaboratory)CertificationprocessincludesRadioConformanceTest(RCT),ProtocolConformanceTest(PCT),andInteroperabilityTest(IOT)46CPEsand35BSshavebeencertifiedbyWiMAXForum(dueDec.2008),CPE,WFDCL,BS,NDSLabCopyright2008,12,Plugfest,WiMAX論壇所舉辦之插拔大會(Plugfest)是讓WiMAX設備供應廠商將其所開發之產品，在進行正式互通性測試之前，彼此間先進行互通互連預先測試的活動，以驗證是否符合標準的要求，並對產品作必要的修正以增進產品的互通功能。參與插拔大會的廠商在取得產品的基本互通功能驗證後，WiMAX論壇即會頒予參與測試的設備供應廠商通過互通驗證的活動標章，廠商可將其列於行銷文宣中進行宣傳。,NDSLabCopyright2008,13,IEEE802.16vs.WiMAXForum,IEEE802.16Standards802.16d/edefinedataandcontrolplanefunctionsinwirelessPHY/MAC802.16f/g/idefinemanagementplanefunctions(NETMAN)WiMAXNWGASN(AccessServiceNetwork)partofWiMAXnetworkisdefinedbyWiMAXForumNWGWiMAXCWG/TWGTechnicalIncorporationwithIEEE802.16ProductCertificationandProductInteroperability,WiMAXMAC,WiMAXPHY,Data/ControlPlane,MACManagementEntity,PHYManagementEntity,ManagementPlane,ASNControl&TransportFunctions,ConnectivityServiceNetwork(CSN),NDSLabCopyright2008,14,Outline,BackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE802.16j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX,NDSLabCopyright2008,15,WiMAXNetworkReferenceModel,ASN:AccessServiceNetworkCSN:ConnectivityServiceNetworkNAP:NetworkAccessProvidersASP:ApplicationServiceProvider,Source:WiMAXForum,ASN,NDSLabCopyright2008,16,WiMAXNetworkArchitecture,MS:MobileStationSS:StationaryStationRx:ReferencepointxASNGW:AccessServiceNetworkGateway,Source:WiMAXForum,NDSLabCopyright2008,17,NCMSGenericPart,NCMSRRMsupportPart,BSRadioAccessPlane,BSBackbonePlane,NCMSGenericPart,NCMSRRMsupportPart,BSRadioAccessPlane,BSBackbonePlane,WiMAXCPE,BSandASNGW(16d),802.16PHY,802.16MAC,RRM&Handover,AirLinkSecurity,IPandGREServices,Ethernet,SFM/RRA,Gateway&RouterService,IntraASNMobility,WiMAXNetworkManagement,DPFn,CLI/SNMPAgent,WiMAXBS,WiMAXASNGateway,802.16PHY,802.16MAC,AirLinkSecurity,CPEApplication,WiMAXCPE,UDP/TCP/IP,IPandGRETunnel,SFA/RRC,DPFn,CLI,:ExistedTech,:Developedin2006,:Chipsetprovider,NDSLabCopyright2008,18,802.16eMAC,NCMSGenericPart,NCMSRRMsupportPart,BSRadioAccessPlane,BSBackbonePlane,NCMSGenericPart,NCMSRRMsupportPart,BSRadioAccessPlane,BSBackbonePlane,WiMAXCPE,BSandASNGW(16e),802.16PHY,802.16eMAC,Ethernet,Gateway&RouterService,CLI/SNMPAgent(802.16i),WiMAXBS,WiMAXASNGatewayandAuthenticator,EAP,WiMAXCPE,PKMv2,CLI,:ExistedTech,:Developedin2007,:Chipsetprovider,PKMv2,PKMv1,RRM&Handover,Ethernet,RADIUS,AAAServer,IP,EAPMethod,GRE/IPTunnel,DPCtrl,SFM,RRA,PagingAgent,HandoverFn,ContextFn,AuthRelay,GRE/IPTunnel,DPCtrl,SFA,RRM,PagingControl,IntraASNMobility,ContextFn,AuthRelay,EAP,802.16PHY,EAPMethod,R1,R2,TransportProtocol,TransportProtocol,RADIUS,Ethernet,R6,R3,NDSLabCopyright2008,19,Outline,BackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE8021.6j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX,NDSLabCopyright2008,20,FutureTechnologiesinWiMAX,802.16jMulti-hopRelayAimingatdevelopingrelaybasedonIEEE802.16e,togain:Coverageextension,andThroughputenhancementScopeTospecifyOFDMAPHYandMACenhancementtoIEEEStd.802.16forlicensedbandstoenabletheoperationofrelaystationsSubscriberstationspecificationsarenotchangedP802.16mNextGenerationWiMAX2AdvancedAirInterfaceforBWAinthefutureMovingtowards4GScope:ToamendtheIEEE802.16WirelessMAN-OFDMAtoprovideanadvancedairinterfaceforoperationinlicensedbandsTomeetthecellularlayerrequirementsofIMT-AdvancednextgenerationmobilenetworksToprovidecontinuingsupportforlegacyWirelessMAN-OFDMAequipment,IEEE802.16jMultihopRelay,NDSLabCopyright2008,22,BenefitsofUsingRelay,BS,L,RS,RS,RS,RS,Loadsharingandmulti-pathredundancy:reducesinfrastructurecosts!,RS,Spectrallyefficientarchitectures:reducescostlyantennastructures!,RS,DecreasedMobileStationpowerperbittransmittedandreceived:increasesMSbatterylife!,RS,Flexiblecellsiteplacement:speedsdeployment,reducessiteacquisitionandbackhaulcosts!,RS,RS,RS,But,issuestoberesolvedLatencyandoverheadincreasewitheachhopInfrastructurecomplexityInterferencestilllimitsperformance,Source:Intel,2006,NDSLabCopyright2008,23,cost(total)Nuser*cost()+cost(system)cost(system)NBS*(cost()+cost(toBS)+other()NBSWuser=averageusercapacitytoproduceserviceWsystem=maximumcapacityperbasestationRmax=maximumbasestationcellradius,CostofMobileSystems,Note:cost=PV(CAPEX)+PV(OPEX),Keystolowertheinfrastructurecost,NDSLabCopyright2008,24,TopicsandCategoriesin16j,FrameStructureNetworkEntrySecurityBWrequestMobilityManagementRouting,Path,ConnectionandServiceFlowManagementsConstruction&transmissionofMACPDUsHARQMeasurement&reportingRRM,Scheduling&InterferencecontrolPHYOtherMAC,IEEE802.16m,NDSLabCopyright2008,26,OverviewofIEEE802.16mProgram,SinceJanuary2007,theIEEE802.16WorkingGrouphasembarkedondevelopmentofanewamendmentoftheIEEE802.16standard(i.e.,IEEE802.16m)inordertomeettherequirementsofITU-R/IMT-Advanced(SystemBeyondIMT-2000,fixed1Gbps,mobile100Mbps)for4GsystemswhilemaintainingfullbackwardcompatibilitywiththeexistingmobileWiMAXsystems.ThestandardizationofIEEE802.16mandrelease2.0ofmobileWiMAXprofileareexpectedtocompletebytheendof2010.IEEE802.16mutilizesOFDMAasthepreferredmultipleaccessmethodinthedownlinkanduplinktoprovidethestate-of-the-artbroadbandwirelessaccessinthenextdecade.,NDSLabCopyright2008,27,16mDocumentation,UsageModels/DeploymentScenarios&SystemRequirementsAsetofpossibledeploymentscenariosandapplicationsoftheP802.16mstandardEvaluationMethodologyAcompletesetofparameters,models,andmethodologiesforthelink-levelandsystem-levelsimulationsthatallowfairevaluation/comparisonofvarioustechnicalproposals.ChannelsModels:AsetofspatialchannelmodelparametersarespecifiedtocharacterizeparticularfeaturesofMIMOradiochannelstobeusedforsimulatingtechnicalproposalsforthefutureP802.16mstandardSystemdescriptiondocument(SDD)P802.16mamendment802.16IMT-AdvancedProposal,NDSLabCopyright2008,28,DevelopmentScheduleof16m,CallforSDDdetailsissuedinJul08,FirstCallforProposalsfor802.16mTextissuedinJul08,Sep07*,Jan08*,Nov08*,InitialP.,WorkingDoc,Mar09,LetterBallot,SponsorBallot,Sep09,Nov08,Nov07,Jan09,IEEE802.16m,802.16mAmendment,IMTAdvancedProposal,SystemDescription,SystemRequirements,EvaluationMethodology,ITU-RIMTAdvanced,IMT.TECH,IMT.EVAL,IMT.RADIO,Jun08,Oct08,ProposalSubmission,Jan09,FirstCallforProposalsforSDDissuedinSept07,CircularLetter,Jun08,ProposalEvaluation&ConsensusBuilding,DevelopRecommendation,Q2,Q3,Q4,2007,2008,2009,2010,Oct09,Jun10,FinalProposal,Sept09*,*SystemRequirementsandEvaluationMethodology,SystemDescription,IMT-AdvancedProposalDocumentsmaybefurtherupdatedbasedonITUoutput(shownbydottedlines).802.16mamendmentisdependentonthe802.16Rev2Projectcompletion,ITUbasedUpdates,Refinements,IEEE802.16,ITU-RWP5D,Mar10,ITUbasedUpdates,Finalized,NDSLabCopyright2008,29,SystemRequirementsof16m(1),IEEE802.16mfunctionalandperformancerequirementsaremorecomprehensiveandmorestringentthanIMT-Advancedrequirements,Source:IEEE802.16m,NDSLabCopyright2008,30,SystemRequirementsof16m(2),Source:IEEE802.16m,IEEE802.16missuitableforalargesetofusagemodels,applications,andservices,NDSLabCopyright2008,31,EvaluationMethodology,TheobjectiveofIEEE802.16mevaluationmethodologyistodefinelink-levelandsystem-levelsimulationmodelsandassociatedparametersthatshallbeusedintheevaluationandcomparisonoftechnologyproposalsforIEEE802.16m,Source:IEEE802.16m,NDSLabCopyright2008,32,Overall16mNetworkArchitecture,Source:IEEE802.16m,Similarto16enetworkarchitecturedefinedbyWiMAXForumNWG,NDSLabCopyright2008,33,Connectionsin16m,Source:IEEE802.16m,InadditiontoBSandMS,RS(RelayStation)isalsoincludedin16m,NDSLabCopyright2008,34,SystemReferenceModelof16m,IEEE802.16mData/ControlPlane,IEEE802.16f/gNetMANManagementPlane,PhysicalLayer(PHY),PHYSAP,SecuritySub-Layer,MediumAccessControlFunctions,RadioResourceControlandManagementFunctions,MACSAP,ConvergenceSub-Layer,CSSAP,SecuritySub-Layer,ManagementLayerCommonPartSub-Layer,ManagementEntityPhysicalLayer,ManagementEntityServiceSpecificConvergenceSub-Layer,RANControlandTransportFunctionsWiMAXNWGRANArchitecture,ExternalNetworks,MACCommon-PartSub-Layer,OutsideIEEE802.16mScope,NDSLabCopyright2008,35,Outline,BackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE8021.6j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX,NDSLabCopyright2008,36,AdvancedFeatures&Challengesof16m(1),Unifiedsingle-user/multi-userMIMOArchitecturesupportvariousadvancedmulti-antennaprocessingtechniquesincludingopen-loopandclosedsingle-user/multi-userMIMOschemes(singlestreamandmulti-stream)Supportmulti-cellMIMOtechniquesMulti-carriersupportTheRFcarriersmaybeofdifferentbandwidthsandcanbenon-contiguousorbelongtodifferentfrequencybandsThechannelsmaybeofdifferentduplexingmodes,e.g.FDD,TDDSupportwiderband(upto100MHz)byBWaggregationacrosscontiguousornon-contiguouschannels,NDSLabCopyright2008,37,AdvancedFeatures&Challengesof16m(2),Multi-hoprelay-enabledarchitectureImprovetheSINRinthecellforcoverageextensionandthroughputenhancementSupportoffemto-cellsandself-organizationFemto-cellsarelowpowerBSathomesachievingFMCSelf-configurationbyallowingrealplugandplayinstallationofnetworknodesandcellsSelf-optimizationbyallowingautomatedorautonomousoptimizationofnetworkperformancewithrespecttoserviceavailability,QoS,networkefficiencyandthroughput,NDSLabCopyright2008,38,AdvancedFeatures&Challengesof16m(3),EnhancedmulticastandbroadcastserviceMulti-carrierswithdedicatedbroadcastonlycarriersSingle/multi-BSMBSMulti-RAToperationandhandoverSupportinterworkingwithIEEE802.11,GSM/EDGE,3GPP,3GPP2,CDMA2000etc.Multi-radiocoexistenceMSreportsitsco-locatedradioactivitiestoBSAccordingly,BScanoperatesproperlyviaschedulingtosupportmult