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《Journal of Computer Applications》 2008-02
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Congestion control protocol for multi-hop wireless networks based on IEEE 802.11e

MAO Jian-bing,MAO Yu-ming,LENG Su-peng(School of Communication and Information Engineering,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China)  
Congestion in multi-hop wireless networks would lead to degradation of network performance.While the 802.11e protocol has provided differentiated channel access priorities for different types of traffic,we proposed a new method to carry out congestion control for multi-hop wireless networks by dynamically adjusting the priority of best-effort traffic.The main idea was to promote the service priority of best-effort traffic when light congestion was detected,and degrade its service priority in upstream nodes when severe congestion happened.The simulation results show that the proposed scheme can effectively promote the network throughput when the network is heavily loaded.
【Fund】: 国家863计划项目(2005AA121122)
【CateGory Index】: TN929.5
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1 LI Xiao-feng, YAN Chu-ping (Communication and Mobile Computing Technology Division, North China Institute of Computing Technology, Beijing 100083, China);MAC protocol for wireless Ad hoc network based on IEEE802.11[J];Journal of Computer Applications;2007-02
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