WiMAX技術(shù)發(fā)展趨勢

WiMAX技術(shù)發(fā)展趨勢:

過去、現(xiàn)在與未來OutlineBackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE8021.6j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX2WirelessStandards4mainusagesegmentsarespecifiedRange,Power,…Source：拓墣產(chǎn)業(yè)研究所，2004.02WII3WiMAXonthePathofFixed/MobileConvergenceFixedMobileWillConvergenceWi-FiWCDMA802.16(WiMAX)Spectrum2.4G,5.8GHz(Unlicensed)Around2GHz(Licensed)2~11,10~66GHz(Licensed,Unlicensed)ChannelAccessContention-basedScheduledScheduledBitRateUpto54MbpsUpto2MbpsUpto75MbpsMobilityFixed,PortableMobileFixed,Portable,MobileModulationSchemeCDMA,OFDMCDMAOFDM,OFDMATypicalCommunicationRange100smeters10skilo-meters10skilo-meters4DeploymentofWiMAXServiceSource:WiMAXForum/SiemensBackhaulFeedingPoint-to-pointlinkforfixedinfrastructureFixedWirelessAccessWirelesslocalloopforhot-spotfeedingNomadicAccessCPEsinhot-zoneaccesstheservicedirectlyPortable/MobileAccessHandoverfunctionenablingmobiledatafeeding5WhyWiMAX?EvenhavingSprintwin,WiMAXisstillamid-termtolong-termtechnology6OutlineBackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE802.16j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX7BackgroundofIEEE802.161998:IEEE802SGon“BroadbandWirelessAccess”(BWA)(Prof.

RogerB.Mark,Chair,IEEE802.16WG,Jan.2001)1999:1stIEEE802.16ProjectScope:PHYandMAClayer

oftheairinterfaceofinteroperablefixedpoint-to-multipoint

broadbandwirelessaccesssystems.Thespecificationenablestransportofdata,video,andvoiceservices.Itappliestosystemsoperatinginthevicinityof30GHzbutisbroadlyapplicabletosystemsoperatingbetween10and66GHz.8IEEE802.16Standards802.16MAC+10-66GHzPHY802.16a2-11GHzPHY802.16cConformance802.16-2004Revision802.16eMobility802.16/Cor1Maintenance802.16e-2005Revision802.16h-2009LicenseExempt802.16jMulti-hopRelay802.16fMIB(fixed)802.16iMIB(mobile)802.16gManagement802.16kBridging802.16/Conf01>10GHzPICS802.16/Conf03>10GHzRCT802.16/Conf02>10GHzTSS&TP802.16/Conf04<11GhzPICS802.16.2-2001Coexistence802.16.2-2004RevisionManagementCoexistenceConformanceAirInterface:finalizedandpublished:underdevelopment802.16mNextGenerationWiMAX2802.16Rev2Consolidate9WiMAXForumWiMAX:WorldwideInteroperabilityforMicrowaveAccessFormedinApr2001,byIntel,Proxim,Airspan,Fujitsu,etc.500+membersincludingIntel,R&S,Alvarion,Wavesat,PicoChip,Sony,Samsung,Nokia,TI,ADI,III,ITRI,etc.MajorMissionsTopromotedeploymentofBWAbyusingaglobalstandardandcertifyinginteroperabilityofproductsandtechnologies.Developbaselinetestspecs,tofacilitatetheglobalinteroperabilityofproductsandtechnologiesSupportIEEE802.16standardsWiMAXProductCertification802.16-2004CPE:Wavesat,Airspan,Siemens,…802.16-2004BS:Aperto,Redline,Sequans,Airspan,Siemens,…Preparingfor802.16ecomplianceWiMAXForumTWGTechnicalCWGCertificationNWGNetworkSPWGServiceProviderRWGRegulatoryAWGApplicationEWGEvolutionaryGRWGGlobalroamingMWGMarketing10WiMAXForumCertificationWiMAXequipmentsarecertifiedbyWiMAXForumafterpassingthecertificationtestsofWFDCL(WiMAXForumDesignatedCertificationLaboratory)CertificationprocessincludesRadioConformanceTest(RCT),ProtocolConformanceTest(PCT),andInteroperabilityTest(IOT)46CPEsand35BSshavebeencertifiedbyWiMAXForum(dueDec.2008)CPEWFDCLBS全球市場11PlugfestWiMAX論論壇壇所所舉舉辦辦之之插插拔拔大大會會(Plugfest)是是讓讓W(xué)iMAX設(shè)設(shè)備備供供應(yīng)應(yīng)廠廠商商將將其其所所開開發(fā)發(fā)之之產(chǎn)產(chǎn)品品，，在在進(jìn)進(jìn)行行正正式式互互通通性性測測試試之之前前，，彼彼此此間間先先進(jìn)進(jìn)行行互互通通互互連連預(yù)預(yù)先先測測試試的的活活動動，，以以驗驗證證是是否否符符合合標(biāo)標(biāo)準(zhǔn)準(zhǔn)的的要要求求，，並並對對產(chǎn)產(chǎn)品品作作必必要要的的修修正正以以增增進(jìn)進(jìn)產(chǎn)產(chǎn)品品的的互互通通功功能能。。參參與與插插拔拔大大會會的的廠廠商商在在取取得得產(chǎn)產(chǎn)品品的的基基本本互互通通功功能能驗驗證證後後，，WiMAX論論壇壇即即會會頒頒予予參參與與測測試試的的設(shè)設(shè)備備供供應(yīng)應(yīng)廠廠商商通通過過互互通通驗驗證證的的活活動動標(biāo)標(biāo)章章，，廠廠商商可可將將其其列列於於行行銷銷文文宣宣中中進(jìn)進(jìn)行行宣宣傳傳。。12IEEE802.16vs.WiMAXForumIEEE802.16Standards802.16d/edefinedataandcontrolplanefunctionsinwirelessPHY/MAC802.16f/g/idefinemanagementplanefunctions(NETMAN)WiMAXNWGASN(AccessServiceNetwork)partofWiMAXnetworkisdefinedbyWiMAXForumNWGWiMAXCWG/TWGTechnicalIncorporationwithIEEE802.16ProductCertificationandProductInteroperabilityWiMAXMACWiMAXPHYData/ControlPlaneMACManagementEntityPHYManagementEntityManagementPlaneASNControl&TransportFunctionsConnectivityServiceNetwork(CSN)13OutlineBackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE802.16j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX14WiMAXNetworkReferenceModelASN:AccessServiceNetworkCSN:ConnectivityServiceNetworkNAP:NetworkAccessProvidersASP:ApplicationServiceProviderSource:WiMAXForumASN15WiMAXNetworkArchitectureASNGWASNGWWiMAXBSWiMAXBSWiMAXSSWiMAXMSWiMAXMSR1R6R8R3R3R6R6R6R1R1R1R1R4R8MS:MobileStationSS:StationaryStationRx:ReferencepointxASNGW:AccessServiceNetworkGatewayIntra-ASNMobility:R6,R8Inter-ASNMobility:R3,R4Source:WiMAXForum16NCMSGenericPartNCMSRRMsupportPartBSRadioAccessPlaneBSBackbonePlaneNCMSGenericPartNCMSRRMsupportPartBSRadioAccessPlaneBSBackbonePlaneWiMAXCPE,BSandASNGW(16d)802.16PHY802.16MACRRM&HandoverAirLinkSecurityIPandGREServicesEthernetSFM/RRAGateway&RouterServiceIntraASNMobilityWiMAXNetworkManagementDPFnCLI/SNMPAgentWiMAXBSWiMAXASNGateway802.16PHY802.16MACAirLinkSecurityCPEApplicationWiMAXCPEUDP/TCP/IPIPandGRETunnelSFA/RRCDPFnCLI:ExistedTech:Developedin2006:Chipsetprovider17802.16eMACNCMSGenericPartNCMSRRMsupportPartBSRadioAccessPlaneBSBackbonePlaneNCMSGenericPartNCMSRRMsupportPartBSRadioAccessPlaneBSBackbonePlaneWiMAXCPE,BSandASNGW(16e)802.16PHY802.16eMACEthernetGateway&RouterServiceCLI/SNMPAgent(802.16i)WiMAXBSWiMAXASNGatewayandAuthenticatorEAPWiMAXCPEPKMv2CLI:ExistedTech:Developedin2007:ChipsetproviderPKMv2PKMv1RRM&HandoverEthernetRADIUSAAAServerIPEAPMethodGRE/IPTunnelDPCtrlSFMRRAPagingAgentHandoverFnContextFnAuthRelayGRE/IPTunnelDPCtrlSFARRMPagingControlIntraASNMobilityContextFnAuthRelayEAP802.16PHYEAPMethodR1R2TransportProtocolTransportProtocolRADIUSEthernetR6R318OutlineBackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE8021.6j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX19FutureTechnologiesinWiMAX802.16jMulti-hopRelayAimingatdevelopingrelaybasedonIEEE802.16e,togain:Coverageextension,andThroughputenhancementScopeTospecifyOFDMAPHYandMACenhancementtoIEEEStd.802.16forlicensedbandstoenabletheoperationofrelaystationsSubscriberstationspecificationsarenotchangedP802.16mNextGenerationWiMAX2AdvancedAirInterfaceforBWAinthefutureMovingtowards4GScope:ToamendtheIEEE802.16WirelessMAN-OFDMAtoprovideanadvancedairinterfaceforoperationinlicensedbandsTomeetthecellularlayerrequirementsofIMT-AdvancednextgenerationmobilenetworksToprovidecontinuingsupportforlegacyWirelessMAN-OFDMAequipment20IEEE802.16jMultihopRelayBenefitsofUsingRelayBSLRSRSRSRSLoadsharingandmulti-pathredundancy:reducesinfrastructurecosts!RSSpectrallyefficientarchitectures:reducescostlyantennastructures!RSDecreasedMobileStationpowerperbittransmittedandreceived:increasesMSbatterylife!RSFlexiblecellsiteplacement:speedsdeployment,reducessiteacquisitionandbackhaulcosts!RSRSRSBut,issuestoberesolvedLatencyandoverheadincreasewitheachhopInfrastructurecomplexityInterferencestilllimitsperformanceSource:Intel,200622cost(total)Nuser*cost()+cost(system)cost(system)NBS*(cost()+cost(toBS))+other()NBSWuser=averageusercapacitytoproduceserviceWsystem=maximumcapacityperbasestationRmax=maximumbasestationcellradiusCostofMobileSystemsNote:cost=PV(CAPEX)+PV(OPEX)Keystolowertheinfrastructurecost23TopicsandCategoriesin16jFrameStructureNetworkEntrySecurityBWrequestMobilityManagementRouting,Path,ConnectionandServiceFlowManagementsConstruction&transmissionofMACPDUsHARQMeasurement&reportingRRM,Scheduling&InterferencecontrolPHYOtherMAC24IEEE802.16mOverviewofIEEE802.16mProgramSinceJanuary2007,theIEEE802.16WorkingGrouphasembarkedondevelopmentofanewamendmentoftheIEEE802.16standard(i.e.,IEEE802.16m)inordertomeettherequirementsofITU-R/IMT-Advanced(SystemBeyondIMT-2000,fixed1Gbps,mobile100Mbps)for4GsystemswhilemaintainingfullbackwardcompatibilitywiththeexistingmobileWiMAXsystems.ThestandardizationofIEEE802.16mandrelease2.0ofmobileWiMAXprofileareexpectedtocompletebytheendof2010.IEEE802.16mutilizesOFDMAasthepreferredmultipleaccessmethodinthedownlinkanduplinktoprovidethestate-of-the-artbroadbandwirelessaccessinthenextdecade.2616mDocumentationUsageModels/DeploymentScenarios&SystemRequirementsAsetofpossibledeploymentscenariosandapplicationsoftheP802.16mstandardEvaluationMethodologyAcompletesetofparameters,models,andmethodologiesforthelink-levelandsystem-levelsimulationsthatallowfairevaluation/comparisonofvarioustechnicalproposals.ChannelsModels:AsetofspatialchannelmodelparametersarespecifiedtocharacterizeparticularfeaturesofMIMOradiochannelstobeusedforsimulatingtechnicalproposalsforthefutureP802.16mstandardSystemdescriptiondocument(SDD)P802.16mamendment802.16IMT-AdvancedProposal27DevelopmentScheduleof16mCallforSDDdetailsissuedinJul’08FirstCallforProposalsfor802.16mTextissuedinJul’08Sep’07*Jan’08*Nov08*InitialP.WorkingDocMar’’09LetterBallotSponsorBallotSep’’09Nov’’08Nov’’07Jan’’09IEEE802.16m802.16mAmendment?IMTAdvancedProposalSystemDescriptionSystemRequirementsEvaluationMethodologyITU-RIMTAdvancedIMT.TECHIMT.EVALIMT.RADIOJun’’08Oct’’08ProposalSubmissionJan’09FirstCallforProposalsforSDDissuedinSept‘‘07CircularLetterJun’’08ProposalEvaluation&ConsensusBuildingDevelopRecommendationQ2Q3Q4Q1Q2Q3Q4200720082009Q1Q2Q3Q4AprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecQ1Q2Q3Q42010Oct’’09Jun’’10FinalProposalSept’’09**SystemRequirementsandEvaluationMethodology,SystemDescription,IMT-AdvancedProposalDocumentsmaybefurtherupdatedbasedonITUoutput(shownbydottedlines).?802.16mamendmentisdependentonthe802.16Rev2ProjectcompletionITUbasedUpdatesRefinementsAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecIEEE802.16ITU-RWP5DMar’’10ITUbasedUpdatesFinalized28SystemRequirementsof16m(1)AdditionalRequirementsIMT-AdvancedIEEE802.16mPeakdatarate(b/s/Hz/sector)DL:15(4x4)UL:6.75(2x4)DL:8.0/15.0(2x2/4x4)UL:2.8/6.75(1x2/2x4)Cellspectralefficiency(b/s/Hz/sector)DL(4x2)=2.2UL(2x4)=1.4(Basecoverageurban)DL(2x2)=2.6UL(1x2)=1.3(MixedMobility)Celledgeuserspectralefficiency(b/s/Hz)DL(4x2)=0.06UL(2x4)=0.03(Basecoverageurban)DL(2x2)=0.09UL(1x2)=0.05(MixedMobility)LatencyC-plane:100ms(idletoactive)U-plane:10msC-plane:100ms(idletoactive)U-plane:10msMobilityb/s/Hzatkm/h0.55at120km/h0.25at350km/hOptimalperformanceupto10km/h“Gracefuldegradation”upto120km/h“Connectivity”upto350km/hUpto500km/hdependingonoperatingfrequencyHandoverinterruptiontime(ms)Intrafrequency:27.5Interfrequency:40(inaband)60(betweenbands)Intrafrequency:27.5Interfrequency:40(inaband)60(betweenbands)VoIPcapacity(Activeusers/sector/MHz)40(4x2and2x4)(Basecoverageurban)30(DL2x2andUL1x2)IEEE802.16mfunctionalandperformancerequirementsaremorecomprehensiveandmorestringentthanIMT-AdvancedrequirementsSource:IEEE802.16m29SystemRequirementsof16m(2)AdditionalRequirementsIMT-AdvancedIEEE802.16mAntennaConfigurationNotspecifiedDL:2x2(baseline),2x4,4x2,4x4,8x8UL:1x2(baseline),1x4,2x4,4x4CellRangeandCoverageNotspecifiedUpto100kmwithoptimalperformanceupto5kmMulticastandBroadcastService(MBS)Notspecified4bps/HzforISD0.5kmand2bps/HzforISD1.5kmMBSchannelreselectioninterruptiontimeNotspecified1.0s(intra-frequency)1.5s(inter-frequency)Locationbasedservices(LBS)NotspecifiedLocationdeterminationlatency<30sMS-basedpositiondeterminationaccuracy<50mNetwork-basedpositiondeterminationaccuracy<100mOperatingbandwidthUpto40MHz(withaggregation)5to20MHz(upto100MHzthroughbandaggregation)DuplexschemeNotspecifiedTDD,FDD(supportforH-FDDterminals)OperatingfrequenciesIMTbandsIMTbands(below6GHz)Source:IEEE802.16mIEEE802.16missuitableforalargesetofusagemodels,applications,andservices30EvaluationMethodologyTheobjectiveofIEEE802.16mevaluationmethodologyistodefinelink-levelandsystem-levelsimulationmodelsandassociatedparametersthatshallbeusedintheevaluationandcomparisonoftechnologyproposalsforIEEE802.16mEvaluationCriteriaModelingRequirementsLinkLevelModelSystemLevelModelPropagationandChannelModelAntennaPatternTrafficModelFairnessCriterionPerformanceMetricsSimulationSimulationFrameworkSimulationMethodologySimulationProcedureSimulationResultsandEvaluationReportSource:IEEE802.16m31Overall16mNetworkArchitectureSource:IEEE802.16mSimilarto16enetworkarchitecturedefinedbyWiMAXForumNWG32Connectionsin16mSource:IEEE802.16mInadditiontoBSandMS,RS(RelayStation)isalsoincludedin16m33SystemReferenceModelof16mIEEE802.16mData/ControlPlaneIEEE802.16f/gNetMANManagementPlanePhysicalLayer(PHY)PHYSAPSecuritySub-LayerMediumAccessControlFunctionsRadioResourceControlandManagementFunctionsMACSAPConvergenceSub-LayerCSSAPSecuritySub-LayerManagementLayerCommonPartSub-LayerManagementEntityPhysicalLayerManagementEntityServiceSpecificConvergenceSub-LayerRANControlandTransportFunctionsWiMAXNWGRANArchitectureExternalNetworksMACCommon-PartSub-LayerOutsideIEEE802.16mScope34OutlineBackgroundIEEE802.16StandardizationandWiMAXForumWiMAXSystems&ProtocolsOverviewIntroductiontoIEEE8021.6j&IEEE802.16mUsagemodelsWorkplaneanddocumentsRequirements&evaluationmethodologyNetworkarchitecture&referencemodelAdvancedfeatures&challengesofIEEE802.16mNextWaveTechnologiesinWiMAX35AdvancedFeatures&Challengesof16m(1)Unifiedsingle-user/multi-userMIMOArchitecturesupportvariousadvancedmulti-antennaprocessingtechniquesincludingopen-loopandclosedsingle-user/multi-userMIMOschemes(singlestreamandmulti-stream)Supportmulti-cellMIMOtechniquesMulti-carriersupportTheRFcarriersmaybeofdifferentbandwidthsandcanbenon-contiguousorbelongtodifferentfrequencybandsThechannelsmaybeofdifferentduplexingmodes,e.g.FDD,TDDSupportwiderband(upto100MHz)byBWaggregationacrosscontiguousornon-contiguouschannels36AdvancedFeatures&Challengesof16m(2)Multi-hoprelay-enabledarchitectureImprovetheSINRinthecellforcoverageextensionandthroughputenhancementSupportoffemto-cellsandself-organizationFemto-cellsarelowpowerBSathomesachievingFMCSelf-configurationbyallowingrealplugandplayinstallationofnetworknodesandcellsSelf-optimizationbyallowingautomatedorautonomousoptimizationofnetworkperformancewithrespecttoserviceavailability,QoS,networkefficiencyandthroughput37AdvancedFeatures&Challengesof16m(3)EnhancedmulticastandbroadcastserviceMulti-carrierswithdedicatedbroadcastonlycarriersSingle/multi-BSMBSMulti-RAToperationandhandoverSupportinterworkingwithIEEE802.11,GSM/EDGE,3GPP,3GPP2,CDMA2000etc.Multi-radiocoexistenceMSreportsitsco-locatedradioactivitiestoBSAccordingly,BScanoperatesproperlyviaschedulingtosupportmulti-radiocoexistence38AdvancedFeatures&Challenges16m(4)AdvancedinterferencemitigationInterference-awareBScoordinationtominimizeinter-cellinterferenceF