WiMAX技术发展趋势

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, 2008Outline 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 Adv

2、anced features & challenges of IEEE 802.16m Next Wave Technologies in WiMAX2NDSLab Copyright2008Wireless Standards 4 main usage segments are specified Range, Power, Source：拓墣產業研究所，2004.02WII3NDSLab Copyright2008WiMAX on the Path of Fixed/Mobile ConvergenceFixedMobileWill Convergence Wi-FiWCDMA802.16 (WiMAX) Spectrum2.4G, 5.8GHz (Unlicensed)Around 2GHz (Licensed)211, 1066 GHz (Licensed, Unlicensed) Channel AccessContention-based Scheduled Scheduled Bit RateUp to 54MbpsUp to 2MbpsUp to 75 Mbps Mob

3、ilityFixed, PortableMobileFixed, Portable, Mobile Modulation SchemeCDMA, OFDMCDMAOFDM, OFDMATypical Communication Range100s meters10s kilo-meters10s kilo-meters4NDSLab Copyright2008Deployment of WiMAX ServiceSource: 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 feeding5NDSLab Co

4、pyright2008Why WiMAX?Even having Sprint win, WiMAX is still a mid-term to long-term technology6NDSLab Copyright2008Outline 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 WiMAX7NDSLab Copyright2008Background of IEEE 802.16 199

5、8: 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.8NDSLab Copyright2008IEEE 802.16 Standa

6、rds802.16 MAC + 10-66GHz PHY 802.16a2-11GHz PHY802.16cConformance802.16-2004Revision802.16eMobility802.16/Cor1Maintenance802.16e-2005Revision802.16h-2009 License Exempt802.16jMulti-hop Relay802.16fMIB (fixed)802.16iMIB (mobile)802.16gManagement802.16kBridging802.16/Conf0110GHz PICS802.16/Conf0310GHz RCT802.16/Conf02 10GHzTSS & TP802.16/Conf0411Ghz PICS802.16.2-2001Coexistence802.16.2-2004RevisionManagementCoexistenceConformanceAir Interface: finalized and published: under development802.16mNext

7、Generation WiMAX2802.16Rev2 Consolidate9NDSLab Copyright2008WiMAX 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

8、 facilitate the global interoperability of products and technologies Support IEEE 802.16 standardsWiMAX Product Certification 802.16-2004 CPE: Wavesat, Airspan, Siemens, 802.16-2004 BS: Aperto, Redline, Sequans, Airspan, Siemens, Preparing for 802.16e complianceWiMAX ForumTWG TechnicalCWG CertificationNWG NetworkSPWG Service ProviderRWG RegulatoryAWG ApplicationEWG EvolutionaryGRWG Global roamingMWG Marketing10NDSLab Copyright2008WiMAX Forum CertificationWiMAX equipments are certified by WiMAX F

9、orum 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)CPEWFDCLBS全球市場11NDSLab Copyright2008Plugfest 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。12NDSLab Copyright2008IEEE 802.16 vs. WiMAX ForumIEEE 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 Incorpora

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