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优化分组长度的IEEE802.11网络性能

DOI: 10.13190/jbupt.201105.71.dongch, PP. 71-75

Keywords: IEEE,802.11,短时公平性,吞吐量,分组长度,优化

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Abstract:

节点移动等特征使得IEEE802.11网络中存在大量的短时通信.为了实现短时相遇业务流的公平通信和较高的网络吞吐量,理论分析了非理想信道中保证最高链路吞吐量的分组长度;借助仿真模拟了保证短时相遇业务流公平通信的分组长度,并给出了经验值;得到了可以在短时公平通信的前提下实现较高网络吞吐量的最优分组长度.仿真结果表明,利用分析得到的分组长度进行通信,相遇业务流可以在给定时间内实现公平通信,同时保持较高的网络吞吐量.

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