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计算机应用 2009
ieee802.11edca带宽分配控制的竞争窗口优化Keywords: ieee802.11edca,带宽分配,竞争窗口,最大吞吐量 Abstract: ？twoapproximatecomputationmethodswereproposedtoacquiretheoptimaltransmittingprobabilityandfurthertofindtheoptimalcontentionwindowsettingbyanalyzingtheinfluenceofthepriority-basedservicedifferentiationofieee802.11enhanceddistributedchannelaccess(edca)onthroughput.theoptimalcontentionwindowsettingcanhelpyieldthemaximumaggregatethroughputwhilemaintainingtheweightedproportionalbandwidthdifferentiationamongdifferenttrafficclasses.throughvalidationbynumericevaluationandsimulation,theresultsareprovedtobeveryclosetothetheoreticalvalue,andtheoptimalcontentionwindowsettingcaneffectivelyoptimizethethroughputperformanceofthewholenetwork.
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