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Performance Analysis of the Contention Resolution Scheme in IEEE 802.16
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    Abstract:

    At present,the mandatory contention resolution that shall be supported by IEEE 802.16 is based on truncated binary exponential backoff algorithm.In this paper,the differences of contention mechanism between IEEE 802.16 and IEEE 802.11 are analyzed.The calculations of performance metrics such as the utilization of transmission opportunity u,the delay of bandwidth request d and the drop probability of bandwidth request pd are presented.Based on simulation results,the effects of contention parameters such as the initial window W,the number of subscriber station n and the number of transmission opportunity Ntoare discussed.Some policies to adjust the parameters are also provided.These policies arc useful for BS to schedule its uplink bandwidth resource.

    Reference
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    [2]IEEE 802.16-2004 IEEE Standard for Local and Metropolitan Area Networks Part 16:Air Interface for Fixed Broadband Wireless Access Systems.IEEE Press,2004.
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    [6]Peng Y,Cheng SD.A self-adaptive wireless LAN protocol.Journal of Software,2004,15(4):604-615 (in Chinese with English abstract).http://www.jos.org.cn/1000-9825/15/604.htm
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陆文彦,贾维嘉,杜文峰,张历卓. IEEE 802.16竞争解决方案的性能分析.软件学报,2007,18(9):2259-

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History
  • Received:April 04,2006
  • Revised:June 30,2006
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