An improved MIEhD backoff algorithm in IEEE 802.11 MAC layer

Authors:
Yongbo Ma;Zhiyi Fang;Yunchun Zhang;Jianli Zhang
Affiliations:
School of Computer Science and Technology, Jilin University, Changchun, P.R China;School of Computer Science and Technology, Jilin University, Changchun, P.R China;School of Computer Science and Technology, Jilin University, Changchun, P.R China;School of Computer Science and Technology, Jilin University, Changchun, P.R China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

This paper first described the IEEE 802. 11 MAC layer access control mechanism DCF. Next, we analysis the basic and improved DCF back-off algorithm, and then we proposed exponential-half DCF back-off algorithm MIEhD. This algorithm is easy to implement and has excellent performance when there is small scale of nodes and avoiding the shortcomings of basic algorithm when there is large scale of nodes.