WiMAX技术发展趋势.pptx
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1、Copyright NDSL,Chang Gung University.Permission required for reproduction or display.WiMAX技術發展趨勢:過去、現在與未來OutlineBackgroundIEEE 802.16 Standardization and WiMAX ForumWiMAX Systems&Protocols OverviewIntroduction to IEEE 8021.6j&IEEE 802.16mUsage modelsWork plane and documentsRequirements&evaluation me
2、thodologyNetwork architecture&reference modelAdvanced features&challenges of IEEE 802.16mNext Wave Technologies in WiMAX2NDSLab Copyright2008Wireless Standards4 main usage segments are specifiedRange,Power,Source:拓墣產業研究所,2004.02WII3NDSLab Copyright2008WiMAX on the Path of Fixed/Mobile ConvergenceFix
3、edMobileWill Convergence Wi-FiWCDMA802.16(WiMAX)Spectrum2.4G,5.8GHz(Unlicensed)Around 2GHz(Licensed)211,1066 GHz(Licensed,Unlicensed)Channel AccessContention-based Scheduled ScheduledBit RateUp to 54MbpsUp to 2MbpsUp to 75 MbpsMobilityFixed,PortableMobileFixed,Portable,MobileModulation SchemeCDMA,OF
4、DMCDMAOFDM,OFDMATypical Communication Range100s meters10s kilo-meters10s kilo-meters4NDSLab Copyright2008Deployment of WiMAX ServiceSource:WiMAX Forum/SiemensBackhaul FeedingPoint-to-point link for fixed infrastructureFixed Wireless AccessWireless local loop for hot-spot feedingNomadic AccessCPEs in
5、 hot-zone access the service directlyPortable/Mobile AccessHandover function enabling mobile data feeding5NDSLab Copyright2008Why WiMAX?Even having Sprint win,WiMAX is still a mid-term to long-term technology6NDSLab Copyright2008OutlineBackgroundIEEE 802.16 Standardization and WiMAX ForumWiMAX Syste
6、ms&Protocols OverviewIntroduction to IEEE 802.16j&IEEE 802.16mUsage modelsWork plane and documentsRequirements&evaluation methodologyNetwork architecture&reference modelAdvanced features&challenges of IEEE 802.16mNext Wave Technologies in WiMAX7NDSLab Copyright2008Background of IEEE 802.161998:IEEE
7、802 SG on“Broadband Wireless Access”(BWA)(Prof.Roger B.Mark,Chair,IEEE 802.16 WG,Jan.2001)1999:1st IEEE 802.16 ProjectScope:PHY and MAC layer of the air interface of interoperable fixed point-to-multipoint broadband wireless access systems.The specification enables transport of data,video,and voice
8、services.It applies to systems operating in the vicinity of 30 GHz but is broadly applicable to systems operating between 10 and 66 GHz.8NDSLab Copyright2008IEEE 802.16 Standards802.16MAC+10-66GHz PHY802.16a2-11GHz PHY802.16cConformance802.16-2004Revision802.16eMobility802.16/Cor1Maintenance802.16e-
9、2005Revision802.16h-2009License Exempt802.16jMulti-hop Relay802.16fMIB(fixed)802.16iMIB(mobile)802.16gManagement802.16kBridging802.16/Conf0110GHz PICS802.16/Conf0310GHz RCT802.16/Conf0210GHzTSS&TP802.16/Conf0411Ghz PICS802.16.2-2001Coexistence802.16.2-2004RevisionManagementCoexistenceConformanceAir
10、Interface:finalized and published:under development802.16mNext GenerationWiMAX2802.16Rev2Consolidate9NDSLab Copyright2008WiMAX ForumWiMAX:Worldwide Interoperability for Microwave AccessFormed in Apr 2001,by Intel,Proxim,Airspan,Fujitsu,etc.500+members including Intel,R&S,Alvarion,Wavesat,PicoChip,So
11、ny,Samsung,Nokia,TI,ADI,III,ITRI,etc.Major MissionsTo promote deployment of BWA by using a global standard and certifying interoperability of products and technologies.Develop baseline test specs,to facilitate the global interoperability of products and technologiesSupport IEEE 802.16 standardsWiMAX
12、 Product Certification802.16-2004 CPE:Wavesat,Airspan,Siemens,802.16-2004 BS:Aperto,Redline,Sequans,Airspan,Siemens,Preparing for 802.16e complianceWiMAX ForumTWGTechnicalCWGCertificationNWGNetworkSPWGService ProviderRWGRegulatoryAWGApplicationEWGEvolutionaryGRWGGlobal roamingMWGMarketing10NDSLab Co
13、pyright2008WiMAX Forum CertificationWiMAX equipments are certified by WiMAX Forum after passing the certification tests of WFDCL(WiMAX Forum Designated Certification Laboratory)Certification process includes Radio Conformance Test(RCT),Protocol Conformance Test(PCT),and Interoperability Test(IOT)46
14、CPEs and 35 BSs have been certified by WiMAX Forum(due Dec.2008)CPEWFDCLBS全球市場全球市場11NDSLab Copyright2008PlugfestWiMAX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。
15、12NDSLab Copyright2008IEEE 802.16 vs.WiMAX ForumIEEE 802.16 Standards802.16 d/e define data and control plane functions in wireless PHY/MAC802.16 f/g/i define management plane functions(NETMAN)WiMAX NWGASN(Access Service Network)part of WiMAX network is defined by WiMAX Forum NWGWiMAX CWG/TWGTechnic
16、al Incorporation with IEEE 802.16Product Certification and Product InteroperabilityWiMAX MACWiMAX PHYData/Control PlaneMACManagementEntityPHYManagementEntityManagement PlaneASN Control&Transport FunctionsConnectivity ServiceNetwork(CSN)13NDSLab Copyright2008OutlineBackgroundIEEE 802.16 Standardizati
17、on and WiMAX ForumWiMAX Systems&Protocols OverviewIntroduction to IEEE 802.16j&IEEE 802.16mUsage modelsWork plane and documentsRequirements&evaluation methodologyNetwork architecture&reference modelAdvanced features&challenges of IEEE 802.16mNext Wave Technologies in WiMAX14NDSLab Copyright2008WiMAX
18、 Network Reference ModelASN:Access Service NetworkCSN:Connectivity Service NetworkNAP:Network Access ProvidersASP:Application Service ProviderSource:WiMAX ForumASN15NDSLab Copyright2008WiMAX Network ArchitectureASN GWASN GWWiMAX BSWiMAX BSWiMAX SSWiMAX MSWiMAX MSR1R6R8R3R3R6R6R6R1R1R1R1R4R8MS:Mobile
19、 StationSS:Stationary StationRx:Reference point xASN GW:Access Service Network GatewayIntra-ASN Mobility:R6,R8Inter-ASN Mobility:R3,R4Source:WiMAX Forum16NDSLab Copyright2008NCMS Generic Part NCMS RRM support PartBS Radio Access Plane BS Backbone PlaneNCMS Generic Part NCMS RRM support PartBS Radio
20、Access PlaneBS Backbone PlaneWiMAX CPE,BS and ASN GW(16d)802.16 PHY802.16 MACRRM&HandoverAir Link SecurityIP and GRE ServicesEthernetSFM/RRAGateway&RouterServiceIntra ASN MobilityWiMAX Network ManagementDP FnCLI/SNMPAgentWiMAX BSWiMAX ASN Gateway802.16 PHY802.16 MACAir Link SecurityCPE ApplicationWi
21、MAX CPEUDP/TCP/IPIP and GRE TunnelSFA/RRCDP FnCLI:Existed Tech:Developed in 2006:Chipset provider17NDSLab Copyright2008802.16e MACNCMS Generic Part NCMS RRM support PartBS Radio Access Plane BS Backbone PlaneNCMS Generic Part NCMS RRM support PartBS Radio Access PlaneBS Backbone PlaneWiMAX CPE,BS an
22、d ASN GW(16e)802.16 PHY802.16e MACEthernetGateway&RouterServiceCLI/SNMPAgent(802.16i)WiMAX BSWiMAX ASN Gatewayand AuthenticatorEAPWiMAX CPEPKMv2CLI:Existed Tech:Developed in 2007:Chipset providerPKMv2PKMv1RRM&HandoverEthernetRADIUSAAA ServerIPEAP MethodGRE/IP TunnelDP CtrlSFMRRAPaging AgentHandover
23、FnContext FnAuth RelayGRE/IP TunnelDP CtrlSFARRMPaging ControlIntra ASN MobilityContext FnAuth RelayEAP802.16 PHYEAP MethodR1R2Transport ProtocolTransport ProtocolRADIUSEthernetR6R318NDSLab Copyright2008OutlineBackgroundIEEE 802.16 Standardization and WiMAX ForumWiMAX Systems&Protocols OverviewIntro
24、duction to IEEE 8021.6j&IEEE 802.16mUsage modelsWork plane and documentsRequirements&evaluation methodologyNetwork architecture&reference modelAdvanced features&challenges of IEEE 802.16mNext Wave Technologies in WiMAX19NDSLab Copyright2008Future Technologies in WiMAX802.16j Multi-hop RelayAiming at
25、 developing relay based on IEEE802.16e,to gain:Coverage extension,andThroughput enhancementScopeTo specify OFDMA PHY and MAC enhancement to IEEE Std.802.16 for licensed bands to enable the operation of relay stationsSubscriber station specifications are not changedP802.16m Next Generation WiMAX2Adva
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