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无线802.11网络中自适应调整载波侦听阈值算法研究

The Algorithm of Adaptively Adjusting Carrier Sensing Threshold in Wireless 802.11 Network
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摘要 近年来,随着基于802.11协议的无线网络的广泛的应用,提高网络的吞吐率,成为亟待解决的问题。现有的算法以提高空间重用为目的,调整载波侦听阈值和速率或发送功率和速率。这些算法在一定程度上提高了网络总的吞吐率,但也都存在一定的弊端。 In recent years,with the wide application of wireless network based on 802.11 Protocol,how to increase the network throughput becomes an urgent problem.The present algorithms aim to improve the spatial reuse by adjusting the carrier sensing threshold and rate or the transmission power and rate.These algorithms enhance the total throughput to a degree but also involve some drawbacks in the meanwhile.
作者 果颖
出处 《天津职业院校联合学报》 2011年第5期32-34,67,共4页 Journal of Tianjin Vocational Institutes
关键词 物理载波侦听机制 载波侦听阈值 传输功率 速率 空间分配 隐蔽终端问题 暴露终端问题 physical carrier sensing mechanism carrier sensing threshold transmitted power rate space allocation hidden terminal exposed terminal
作者简介 作者简介:果颖(1982-),女,天津电子信息职业技术学院,研究生学历,研究方向:无线网络。
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参考文献4

  • 1Tae- Suk Kim, Hyuk Lim and Jennifer C. Hou. Improving Spatial Reuse through Tuning Transmit Power, Carrier Sense Threshold, and Data Rate in Multihop Wireless Networks, in IEEE MobiCom, 2006, September 23~26.
  • 2Jing Zhu, Xingang Guo, L. Lily Yang, W. Steven Conner, Sumit Roy, and Mousumi M. Hazra, Adapting Physi- cal Carrier Sensing to Maximize Spatial Reuse in 802.11 Mesh Networks.
  • 3Jing Zhu, Sumit Roy, Xingang Guo, and W. Steven Conner, Maximizing Aggregate Throughput in 802.11 Mesh Networks with Physical Carrier Sensing and Two - Radio Multi - Channel Clustering.
  • 4Xue Yang and Nitin Vaiday. Spatial Backoff Contention Resolution for Wireless Networks, UIUC Department of Electrical and Computer Engineering, and Coordinated Science Laboratory technical report, March 2006.

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