wimax - SEMINAR ON WIMAX PRESENTED BY: VINAY SINGH ECE...

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Unformatted text preview: SEMINAR ON WIMAX PRESENTED BY: VINAY SINGH ECE FINAL YR. GUIDED BY: MR. Dushyantt Garg LECTRUR (ECE. DEPTT.) www.powerpointpresentationon.blogspot.com The Next Generation Network What is WiMAX ? A fourth generation (4G) Wireless Technology WiMAX stands for Worldwide Interoperability for Microwave Access A Broadband Wireless Access (BWA) technique offering fast broadband connections Founded by Ensemble, CrossSpan, Harris & Nokia WiMAX Architecture & Design Types of WiMAX Fixed WiMAX Mobile WiMAX Wireless Architectural Deployment Point to Point Point to Multipoint WiMax is well suited to offer both fixed and mobile access Fixed WiMAX for Point to Point & Point to Multipoint Salient Features OFDM based PHY layer Adaptive Modulation & coding(AMC) Link Layer Retransmissions Support for TDD & FDD IP based architecture Behind WiMAX OFDM-type of multicarrier modulation-break high bit data rate to parallel low bit DR-reduced computational complexity-graceful degradation of performance WiMAX MAC-provide interface between transport layers and physical layer -support for ARQ User level Features High peak rates Quality of Service (QoS) Support Robust Security NLOS Capability Support for any sort of residential or business communication Low equipment and subscription costs Power Saving features Wide Area Coverage Technical Challenges Challenge Potential Solution Interference Adaptive Antennas, Security Encryption, access control Portability Power Efficient Modulation Mobility Seamless Handover Low Cost IP based protocols WiMAX Quadruple Play Voice Video Data Mobile voice & data VoIP IPTV Fixed Mobile What WiMAX will offer WiMAX based Mobile VoIP handsets are likely to be priced at around $30 to $50. Reduced tariffs for voice, data, video etc. Reduced maintenance costs. WiMax Technology WiMAX is expected to provide fixed , nomadic, portable and, eventually, mobile wireless broadband connectivity without the need for direct line-of-sight (LOS) with a base station....
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This note was uploaded on 01/05/2012 for the course ECEN 212 taught by Professor Hamilton during the Fall '11 term at BYU.

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wimax - SEMINAR ON WIMAX PRESENTED BY: VINAY SINGH ECE...

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