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【正文】 radio activities to BS– Accordingly, BS can operates properly via scheduling to support multiradio coexistence38 NDSLab Copyright2023Advanced Features Challenges 16m (4)? Advanced interference mitigation– Interferenceaware BS coordination to minimize intercell interference– Fractional frequency reuse and Tx beamforming to improve cell edge capacity– Interferenceaware scheduling via CQI metrics– Power control for per subframe and per subscriber39 NDSLab Copyright2023Outline? Background? IEEE Standardization and WiMAX Forum? WiMAX Systems Protocols Overview? Introduction to IEEE IEEE – Usage models– Work plane and documents– Requirements evaluation methodology– Network architecture reference model? Advanced features challenges of IEEE ? Next Wave Technologies in WiMAX40 NDSLab Copyright2023Driving Force of 4G? Total daily traffic in 2023 will be double up to 250 TB, and will be 5750 TB in 2023 (. Total traffic/subscriber/day of 495 Mbytes) in Western EuropeSource: MAGIC MOBILE FUTURE 20232023, UMTS Forum, 202341 NDSLab Copyright2023Vision of 4G42 NDSLab Copyright2023Migration Paths Toward 4G? Global Evolution Trends– 3G Evolution– , Gigabit WLAN– Broadband wireless Access– 4G standard bodyPath 1Path 2Path 3Path 4High (250 Km/h~)Medium (Vehicular)Low(Nomadic) Kbps 144 Kbps 384 Kbps ~ 50 Mbps ~100 Mbps ~OFDMA/LTE1995 2023 2023 20234GStandard1G2G3G Ev.CDMAGSMAMPSWCDMA/HSDPACDMA2023/EvDV/DO3G++3G167。參與插拔大會的廠商在取得產(chǎn)品的基本互通功能驗證後， WiMAX論壇即會頒予參與測試的設(shè)備供應(yīng)廠商通過互通驗證的活動標(biāo)章，廠商可將其列於行銷文宣中進行宣傳。Ubiquitous munication 167。 NDSL, Chang Gung University. Permission required for reproduction or display.演講完畢，謝謝觀看！。1Gbps(Fixed, Nomadic)167。Copyright 169。100 Mbps (high mobility)167。 NDSL, Chang Gung University. Permission required for reproduction or display.更多資源Copyright 169。Heterogeneous IW167。12 NDSLab Copyright2023IEEE vs. WiMAX Forum? IEEE Standards– d/e define data and control plane functions in wireless PHY/MAC– f/g/i define management plane functions (NETMAN)? WiMAX NWG– ASN (Access Service Network) part of WiMAX work is defined by WiMAX Forum NWG? WiMAX CWG/TWG– Technical Incorporation with IEEE – Product Certification and Product InteroperabilityWiMAX MACWiMAX PHYData/Control PlaneMACManagementEntityPHYManagementEntityManagement PlaneASN ControlTransport FunctionsConnectivity ServiceNetwork(CSN) 13 NDSLab Copyright2023Outline? Background? IEEE Standardization and WiMAX Forum? WiMAX Systems Protocols Overview? Introduction to IEEE IEEE – Usage models– Work plane and documents– Requirements evaluation methodology– Network architecture reference model? Advanced features challenges of IEEE ? Next Wave Technologies in WiMAX14 NDSLab Copyright2023WiMAX Network Reference ModelASN: Access Service NetworkCSN: Connectivity Service NetworkNAP: Network Access ProvidersASP: Application Service ProviderSource: WiMAX ForumASN15 NDSLab Copyright2023WiMAX Network ArchitectureASN GWASN GWWiMAX BSWiMAX BSWiMAX SSWiMAX MSWiMAX MSR1R6R8R3 R3R6 R6 R6R1 R1R1 R1R4R8MS: Mobile StationSS: Stationary StationRx: Reference point xASN GW: Access Service Network GatewayIntraASN Mobility: R6, R8InterASN Mobility: R3, R4Source: WiMAX Forum16 NDSLab Copyright2023NCMS Generic Part NCMS RRM support PartBS Radio Access Plane BS Backbone Plane NCMS RRM support PartBS Radio Access PlaneWiMAX CPE, BS and ASN GW (16d) PHY MACRRM HandoverAir Link SecurityIP and GRE ServicesEtherSFM/RRAGateway RouterServiceIntra ASN MobilityWiMAX Network ManagementDP FnCLI / SNMPAgentWiMAX BS WiMAX ASN Gateway PHY MACAir Link SecurityCPE ApplicationWiMAX CPEUDP/TCP/IPIP and GRE TunnelSFA/RRCDP FnCLI: Existed Tech : Developed in 2023 : Chipset provider17 NDSLab Copyright2023 MACNCMS Generic Part NCMS RRM support PartBS Radio Access Plane BS Backbone Plane NCMS RRM support PartBS
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