按一下以編輯母片標題樣式,按一下以編輯母片,第二層,第三層,第四層,第五層,*,NDSLab Copyright2008,*,WiMAX,技術發(fā)展趨勢,:,過去、現(xiàn)在與未來,長庚大學資訊工程學系 陳仁暉 副教授,Tel:(03)211-8800 Ext:5990,Email:,jhchenmail.cgu.edu.tw,URL:http:/,www.csie.cgu.edu.tw/jhchen,December 16,2008,Outline,Background,IEEE 802.16 Standardization and,WiMAX,Forum,WiMAX,Systems&Protocols Overview,Introduction to IEEE 8021.6j&IEEE 802.16m,Usage models,Work plane and documents,Requirements&evaluation methodology,Network architecture&reference model,Advanced features&challenges of IEEE 802.16m,Next Wave Technologies in,WiMAX,2,NDSLab Copyright2008,Wireless Standards,4 main usage segments are specified,Range,Power,Source,：拓墣產業(yè)研究所，,2004.02,WII,3,NDSLab Copyright2008,WiMAX on the Path of Fixed/Mobile Convergence,Fixed,Mobile,Will Convergence,Wi-Fi,WCDMA,802.16(WiMAX),Spectrum,2.4G,5.8GHz(Unlicensed),Around 2GHz(Licensed),211,1066 GHz,(Licensed,Unlicensed),Channel Access,Contention-based,Scheduled,Scheduled,Bit Rate,Up to 54Mbps,Up to 2Mbps,Up to 75 Mbps,Mobility,Fixed,Portable,Mobile,Fixed,Portable,Mobile,Modulation Scheme,CDMA,OFDM,CDMA,OFDM,OFDMA,Typical Communication Range,100s meters,10s kilo-meters,10s kilo-meters,4,NDSLab Copyright2008,Deployment of WiMAX Service,Source:WiMAX Forum/Siemens,Backhaul Feeding,Point-to-point link for fixed infrastructure,Fixed Wireless Access,Wireless local loop for hot-spot feeding,Nomadic Access,CPEs,in hot-zone access the service directly,Portable/Mobile Access,Handover function enabling mobile data feeding,5,NDSLab Copyright2008,Why WiMAX?,Even having Sprint win,WiMAX is still a mid-term to long-term technology,6,NDSLab Copyright2008,Outline,Background,IEEE 802.16 Standardization and,WiMAX,Forum,WiMAX,Systems&Protocols Overview,Introduction to IEEE 802.16j&IEEE 802.16m,Usage models,Work plane and documents,Requirements&evaluation methodology,Network architecture&reference model,Advanced features&challenges of IEEE 802.16m,Next Wave Technologies in,WiMAX,7,NDSLab Copyright2008,Background of IEEE 802.16,1998:IEEE 802 SG on“Broadband Wireless Access”(BWA),(,Prof.,Roger B.Mark,Chair,IEEE 802.16 WG,Jan.2001,),1999:1st IEEE 802.16 Project,Scope:,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,services.It applies to systems operating in the vicinity of,30 GHz,but is broadly applicable to systems operating,between 10 and 66 GHz,.,8,NDSLab Copyright2008,IEEE 802.16 Standards,802.16,MAC+,10-66GHz PHY,802.16a,2-11GHz PHY,802.16c,Conformance,802.16-2004,Revision,802.16e,Mobility,802.16/Cor1,Maintenance,802.16e-2005,Revision,802.16h-2009,License Exempt,802.16j,Multi-hop Relay,802.16f,MIB(fixed),802.16i,MIB(mobile),802.16g,Management,802.16k,Bridging,802.16/Conf01,10GHz PICS,802.16/Conf03,10GHz RCT,802.16/Conf02,10GHz,TSS&TP,802.16/Conf04,11Ghz PICS,802.16.2-2001,Coexistence,802.16.2-2004,Revision,Management,Coexistence,Conformance,Air Interface,:finalized and published,:under development,802.16m,Next Generation,WiMAX2,802.16Rev2,Consolidate,9,NDSLab Copyright2008,WiMAX Forum,http:/,www.wimaxforum.org,/,WiMAX Forum,WiMAX:Worldwide Interoperability for Microwave Access,Formed in Apr 2001,by,Intel,Proxim,Airspan,Fujitsu,etc.,500+members including Intel,R&S,Alvarion,Wavesat,PicoChip,Sony,Samsung,Nokia,TI,ADI,III,ITRI,etc.,Major Missions,To 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 technologies,Support IEEE 802.16 standards,WiMAX Product Certification,802.16-2004 CPE:,Wavesat,Airspan,Siemens,802.16-2004 BS:,Aperto,Redline,Sequans,Airspan,Siemens,Preparing for 802.16e compliance,WiMAX Forum,TWG,Technical,CWG,Certification,NWG,Network,SPWG,Service Provider,RWG,Regulatory,AWG,Application,EWG,Evolutionary,GRWG,Global roaming,MWG,Marketing,10,NDSLab Copyright2008,WiMAX Forum Certification,WiMAX 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,CPEs,and 35 BSs have been certified by WiMAX Forum(due Dec.2008),CPE,WFDCL,BS,全球市場,11,NDSLab Copyright2008,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(fā)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。,12,NDSLab Copyright2008,IEEE 802.16 vs.WiMAX Forum,IEEE 802.16 Standards,802.16,d/e,define data and control plane functions in wireless PHY/MAC,802.16,f/g/i,define management plane functions(NETMAN),WiMAX NWG,ASN(Access Service Network)part of WiMAX network is defined by WiMAX Forum NWG,WiMAX CWG/TWG,Technical Incorporation with IEEE 802.16,Product Certification and Product Interoperability,WiMAX MAC,WiMAX PHY,Data/Control Plane,MAC,Management,Ent