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Published byLee Long Modified over 9 years ago
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Wimax (802.16) A Road to Mobile Life
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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Modern Era Radio- Jagdish Chandra Bose and Guglielmo Marconi. Wireless- First patent by Nikola Tesla. Wireless- Term used for everything for long time Wireless- is a method of communication that uses low-powered radio waves to transmit data between devices. Low Powered – Free High Powered – Government Regulated History of Wireless
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Some Wireless Standards Bluetooth DECT (Digital Enhanced Cordless Telecommunications) DSRC (Dedicated Short Range Communications) HIPERLANHIPERMAN IEEE 802.11 IrDA RFID (Radio Frequency Identification) WiFiWiMAXxMaxZigBee
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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Wimax Worldwide Interoperability for Microwave Access A certification mark for products that pass conformity and interoperability tests for the IEEE 802.16 standards Run by Wimax Forum
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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Advantages Over Wifi Improved Performance Much Greater Distances Much Better MAC LNOS Ability
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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New MAC Structure A Regular Wifi Uses Contention access Which means competing for AP. Which means competing for AP. Wimax uses scheduling MAC Much Better for QOS required services EX: VOIP, IPTV Much Better for QOS required services EX: VOIP, IPTV Mesh Networking Subscriber station and Base station at same time Subscriber station and Base station at same timeOFDMA
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New MAC Structure (cont.) Supports ATM Packet based Control MAC is MAC is flexible enough to efficiently carry any traffic type. Payload header suppression, packing, and fragmentation, the convergence sublayers and MAC.
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Frequency Originally Working 10 to 66ghz FDD or TDD. FDD or TDD. Now supporting 2 to 11ghz with 802.11a. OFDMA with TDMA access.
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NLOS Wifi only work on Line of Sight Areas NON Line Of Sight capability in 2- 11ghz. OFDMA.
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Usage Areas Broadband Internet Access Voip, IPTV services Cellular Phones
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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Competitors UMTSHIPERMAN
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Content History Of Wireless Wimax Advantages Over Wifi MAC Structure Usage Areas CompetitorsConclusion
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Conclusion Framework for the evolution of wireless broadband Everything will be coordinated with Wimax
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