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无线局域网中的VoIP容量提升仿真研究

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摘要 为了增强无线局域网对延时敏感的VoIP等实时业务的支持,通过分析语音容量模型,对IEEE 802.11e EDCA协议的最小竞争窗口(CW)、仲裁帧间隔(A IF S)和传输机会(T XO P)3个参数的接入点和终端节点做区分,并考虑到语音流的ON-OFF模型和语音流的上行与下行时延约束。基于该分析模型进行模拟仿真,并通过对仿真结果的研究与分析,最终定量地给出了利用CW、AIFS和TXOP进行区分时的优化值。结果表明,利用这些参数的优化值为接入点和终端节点提供区分服务可有效提高VoIP的容量。
出处 《宿州学院学报》 2013年第12期76-80,共5页 Journal of Suzhou University
基金 巢湖学院自然科学研究资助项目"无线局域网上VoIP传输容量分析与仿真"(XLY201309)
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参考文献10

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