802.16 - cps750 Wireless Networks 6-1 Chapter 6: Wireless...

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Unformatted text preview: cps750 Wireless Networks 6-1 Chapter 6: Wireless and Mobile Networks , materials from book by W. Stallings and IEEE 802.16 standard IEEE 802.16 WiMAX cps750 Wireless Networks 6-2 Characteristics of selected wireless link standards Indoor 10-30m Outdoor 50-200m Mid-range outdoor 200m 4 Km Long-range outdoor 5Km 20 Km .056 .384 1 4 5-11 54 IS-95, CDMA, GSM 2G UMTS/WCDMA, CDMA2000 3G 802.15 802.11b 802.11a,g UMTS/WCDMA-HSPDA, CDMA2000-1xEVDO 3G cellular enhanced 802.16 (WiMAX) 802.11a,g point-to-point 200 802.11n Data rate (Mbps) data cps750 Wireless Networks 6-3 802.16: WiMAX like 802.11 & cellular: base station model transmissions to/from base station by hosts with omnidirectional antenna base station-to-base station backhaul with point-to-point antenna unlike 802.11: range ~ 6 miles (city rather than coffee shop) ~14 Mbps point-to-multipoint point-to-point cps750 Wireless Networks 6-4 802.16: WiMAX - applications Physical layer is in microwave area 10-66 GHz Enables broadband transmission >2Mbps Digital audio/video multicast to subscribers. Broadcast radio and broadcast TV. Video conferencing is also possible with tight delay bounds. Digital telephony ATM Internet protocols Bridged LANs Back-haul for cellular telephone access Mesh networks cps750 Wireless Networks 6-5 802.16: WiMAX: downlink, uplink scheduling802....
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802.16 - cps750 Wireless Networks 6-1 Chapter 6: Wireless...

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