Analyzing and improving the DCF fairness in ad hoc network

Lei Lei; Zong Ze Xu

doi:10.3724/sp.j.1146.2006.01022

Analyzing and improving the DCF fairness in ad hoc network

Lei Lei^*
, Zong Ze Xu

^*此作品的通讯作者

Nanjing University of Aeronautics and Astronautics

科研成果: 期刊稿件 › 文章 › 同行评审

1 引用（Scopus）

摘要

In this paper, the impact of physical carrier-sense mechanism on the fairness of the IEEE 802.11DCF MAC protocol in multi-hop Ad hoc networks is investigated, considering that physical carrier-sense range is much lager than communication range. This paper discovers that the IEEE 802.11 DCF MAC protocol may suffers from a great fairness problem because of the carrier interference. To solve this problem, a Collisions and Interferences Aware Backoff (CIAB) algorithm is then proposed. Simulation results show that this algorithm can greatly improve the fairness of the IEEE 802.11 DCF MAC protocol without significantly impairing aggregate throughput in Ad hoc networks.

源语言	英语
页（从-至）	472-476
页数	5
期刊	Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology
卷	30
期	2
DOI	https://doi.org/10.3724/sp.j.1146.2006.01022
出版状态	已出版 - 2月 2008
已对外发布	是

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abstract = "In this paper, the impact of physical carrier-sense mechanism on the fairness of the IEEE 802.11DCF MAC protocol in multi-hop Ad hoc networks is investigated, considering that physical carrier-sense range is much lager than communication range. This paper discovers that the IEEE 802.11 DCF MAC protocol may suffers from a great fairness problem because of the carrier interference. To solve this problem, a Collisions and Interferences Aware Backoff (CIAB) algorithm is then proposed. Simulation results show that this algorithm can greatly improve the fairness of the IEEE 802.11 DCF MAC protocol without significantly impairing aggregate throughput in Ad hoc networks.",

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AB - In this paper, the impact of physical carrier-sense mechanism on the fairness of the IEEE 802.11DCF MAC protocol in multi-hop Ad hoc networks is investigated, considering that physical carrier-sense range is much lager than communication range. This paper discovers that the IEEE 802.11 DCF MAC protocol may suffers from a great fairness problem because of the carrier interference. To solve this problem, a Collisions and Interferences Aware Backoff (CIAB) algorithm is then proposed. Simulation results show that this algorithm can greatly improve the fairness of the IEEE 802.11 DCF MAC protocol without significantly impairing aggregate throughput in Ad hoc networks.

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KW - Fairness

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Analyzing and improving the DCF fairness in ad hoc network

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