Seminar on WiMAX BY: NILISHA AGARWAL EC-08.

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Presentation transcript:

Seminar on WiMAX BY: NILISHA AGARWAL EC-08

INTRODUCTION WIRELESS means transmitting signals using radio waves as the medium instead of wires. Characterstics of wireless: a. Mobility b. Reachability c. Simplicity d. Maintainability e. Roaming Services f. New Services

Wireless technologies Wireless Wide Area Network (WWAN) Wireless Local Area Network (WLAN) Wireless Metropolitan Area Network (WMAN) Wireless Broadband Access (WBA)

WiMAX WiMAX is: Acronym for Worldwide Interoperability for Microwave Access. Based on Wireless MAN technology. continued…………..

……………………….continued A scaleable wireless platform for constructing alternative and complementary broadband networks. A certification that denotes interoperability of equipment built to the IEEE 802.16 or compatible standard.

What is 802.16a ? The 802.16a standard for 2-11 GHz is a WMAN technology. The IEEE 802.16 Working Group develops standards that address two types of usage models: A fixed usage model (IEEE 802.16-2004). A portable usage model (IEEE 802.16e).

WiMAX Speed and Range Initial speed of nearby 40MBPS Could be deployed in a variety of spectrum bands: 2.3GHz, 2.5GHz, 3.5GHz, and 5.8GHz

WiMAX SALIENT FEATURES Two types of services: Non-line-of-sight Line-of-sight Very high peak data rates Adaptive modulation and coding WiMAX uses OFDM

Fig: WiMAX base station equipment with a sector antenna and wireless BUILDING BLOCKS A WiMAX system consists of two major parts: A WiMAX base station. A WiMAX receiver. Fig: WiMAX base station equipment with a sector antenna and wireless modem on top

CONNECTING TO WiMAX WiMAX gateways WiMAX USBmodem WiMAX Mobiles Ist mobile - Max 4G by HTC(Nov 12th,2008) IInd mobile – EVO 4G by HTC(March 23rd ,2010) WiMAX gateways USB MODEM

Wimax forum The name "WiMAX" was created by the WiMAX FORUM, which was formed in June 2001. Non profit organisation . Role is to promote knowledge about WiMax.

WiMAX and Wi-Fi Comparison s.no. attributes wimax Wi-fi 1. IEEE Standards IEEE 802.16 IEEE 802.11 2. Range/speed 40miles/>70Mbps Few hundred feet/54Mbps 3. Bit rate 5 bps/Hz 2.7 bps/Hz 4. Primary Application Broadband Wireless Access Wireless LAN 5. Mobility Mobile WiMax (802.16e) In development

conclusion WiMAX is better than Wi-Fi: as it satisfy a vareity of needs. Can provide a wideb area range. Supports high bandwidth solution.

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