WiMAX技术发展趋势

Copyright©NDSL,ChangGungUniversity.Permissionrequiredforreproductionordisplay.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:[phone]Ext:5990Email:[e-mail]:~jhchenDecember16,2008NDSLabCopyright@20082Outline•Background•IEEE802.16StandardizationandWiMAXForum•WiMAXSystems&ProtocolsOverview•IntroductiontoIEEE8021.6j&IEEE802.16m–Usagemodels–Workplaneanddocuments–Requirements&evaluationmethodology–Networkarchitecture&referencemodel•Advancedfeatures&challengesofIEEE802.16m•NextWaveTechnologiesinWiMAXNDSLabCopyright@20083WirelessStandards•4mainusagesegmentsarespecified–Range,Power,…Source：拓墣產業研究所，2004.02WIINDSLabCopyright@20084WiMAXonthePathofFixed/MobileConvergenceSpeedPriceUbiquityConvenienceLocalizationKeyValueOfferingsRelativeLevel3GWLANWiMAXwiredFixedMobileWillConvergenceWi-FiWCDMA802.16(WiMAX)Spectrum2.4G,5.8GHz(Unlicensed)Around2GHz(Licensed)2~11,10~66GHz(Licensed,Unlicensed)ChannelAccessContention-basedScheduledScheduledBitRateUpto54MbpsUpto2MbpsUpto75MbpsMobilityFixed,PortableMobileFixed,Portable,MobileModulationSchemeCDMA,OFDMCDMAOFDM,OFDMATypicalCommunicationRange100smeters10skilo-meters10skilo-metersNDSLabCopyright@20085DeploymentofWiMAXServiceSource:WiMAXForum/Siemens•BackhaulFeeding–Point-to-pointlinkforfixedinfrastructure•FixedWirelessAccess–Wirelesslocalloopforhot-spotfeeding•NomadicAccess–CPEsinhot-zoneaccesstheservicedirectly•Portable/MobileAccess–HandoverfunctionenablingmobiledatafeedingNDSLabCopyright@20086WhyWiMAX?EvenhavingSprintwin,WiMAXisstillamid-termtolong-termtechnologyNDSLabCopyright@20087Outline•Background•IEEE802.16StandardizationandWiMAXForum•WiMAXSystems&ProtocolsOverview•IntroductiontoIEEE802.16j&IEEE802.16m–Usagemodels–Workplaneanddocuments–Requirements&evaluationmethodology–Networkarchitecture&referencemodel•Advancedfeatures&challengesofIEEE802.16m•NextWaveTechnologiesinWiMAXNDSLabCopyright@20088BackgroundofIEEE802.16•1998:IEEE802SGon“BroadbandWirelessAccess”(BWA)(Prof.RogerB.Mark,Chair,IEEE802.16WG,Jan.2001)•1999:1stIEEE802.16Project–Scope:PHYandMAClayeroftheairinterfaceofinteroperablefixedpoint-to-multipointbroadbandwirelessaccesssystems.Thespecificationenablestransportofdata,video,andvoiceservices.Itappliestosystemsoperatinginthevicinityof30GHzbutisbroadlyapplicabletosystemsoperatingbetween10and66GHz.NDSLabCopyright@20089IEEE802.16Standards802.16MAC+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/Conf0110GHzPICS802.16/Conf0310GHzRCT802.16/Conf0210GHzTSS&TP802.16/Conf0411GhzPICS802.16.2-2001Coexistence802.16.2-2004RevisionManagementCoexistenceConformanceAirInterface:finalizedandpublished:underdevelopment802.16mNextGenerationWiMAX2802.16Rev2ConsolidateNDSLabCopyright@200810WiMAXForum•WiMAXForum–WiMAX:WorldwideInteroperabilityforMicrowaveAccess–FormedinApr2001,byIntel,Proxim,Airspan,Fujitsu,etc.–500+membersincludingIntel,R&S,Alvarion,Wavesat,PicoChip,Sony,Samsung,Nokia,TI,ADI,III,ITRI,etc.•MajorMissions–TopromotedeploymentofBWAbyusingaglobalstandardandcertifyinginteroperabilityofproductsandtechnologies.–Developbaselinetestspecs,tofacilitatetheglobalinteroperabilityofproductsandtechnologies–SupportIEEE802.16standards•WiMAXProductCertification–802.16-2004CPE:Wavesat,Airspan,Siemens,…–802.16-2004BS:Aperto,Redline,Sequans,Airspan,Siemens,…–Preparingfor802.16ecomplianceWiMAXForumTWGTechnicalCWGCertificationNWGNetworkSPWGServiceProviderRWGRegulatoryAWGApplicationEWGEvolutionaryGRWGGlobalroamingMWGMarketingNDSLabCopyright@200811WiMAXForumCertification•WiMAXequipmentsarecertifiedbyWiMAXForumafterpassingthecertificationtestsofWFDCL(WiMAXForumDesignatedCertificationLaboratory)•CertificationprocessincludesRadioConformanceTest(RCT),ProtocolConformanceTest(PCT),andInteroperabilityTest(IOT)•46CPEsand35BSshavebeencertifiedbyWiMAXForum(dueDec.2008)CPEWFDCLBS全球市場NDSLabCopyright@200812Plugfest•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。[e-mail]•IEEE802.16Standards–802.16d/edefinedataandcontrolplanefunctionsinwirelessPHY/MAC–802.16f/g/idefinemanagementplanefunctions(NETMAN)•WiMAXNWG–ASN(AccessServiceNetwork)partofWiMAXnetworkisdefinedbyWiMAXForumNWG•WiMAXCWG/TWG–TechnicalIncorporationwithIEEE802.16–ProductCertificationandProductInteroperabilityWiMAXMACWiMAXPHYData/ControlPlaneMACManagementEntityPHYManagementEntityManagementPlaneASNControl&TransportFunctionsConnectivityServiceNetwork(CSN)NDSLabCopyright@200814Outline•Background•IEEE802.16StandardizationandWiMAXForum•WiMAXSystems&ProtocolsOverview•IntroductiontoIEEE802.16j&IEEE802.16m–Usagemodels–Workplaneanddocuments–Requirements&evaluationmethodology–Networkarchitecture&referencemodel•Advancedfeatures&challenge