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A Collision Resolution Algorithm in IEEE 802.16
Author(s): 
Pages: 41-45
Year: Issue:  2
Journal: JOURNAL OF WUYI UNIVERSITY(NATURAL SCIENCE EDITION)

Keyword:  IEEE 802.16退避算法最佳退避窗;
Abstract: IEEE 802.16在上行链路采用时分多址接入方式,并引入了按需分配多址接入方式用于资源竞争与预留,这使得各用户站之间存在冲突,导致系统性能下降.论文根据IEEE 802.16协议推荐采用的冲突解决算法,通过合理简化数据帧,分别获得吞吐量、延时与用户数的关系;并通过定义代价函数,获得了系统性能达到最优时,最佳退避窗与用户数的关系,结果显示.当退避窗口值约为用户数的2倍时,系统性能达到最优.
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