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IEEE802.11中上下行带宽公平分配机制

DOI: 10.13190/jbupt.201102.126.zhangb, PP. 126-130

Keywords: Markov模型,公平性,带宽,分配策略

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Abstract:

为了提高网络整体性能,提出了一种基于Markov模型的概率发送机制——上下行带宽公平分配机制,不需要对现有客户端做任何改动,可通过调节接入点的最小竞争窗口和分组传输概率,实现上下行带宽的公平分配.推导了不同上下行数据流条件下保证带宽公平分配的接入点最优发送概率.仿真结果表明,该策略能在不降低系统总吞吐量的情况下提供精确的上下行带宽分配.

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