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Design of multichannel MAC protocols for wireless ad hoc networks

✍ Scribed by Shou-Chih Lo

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
272 KB
Volume
19
Category
Article
ISSN
1055-7148

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✦ Synopsis

Abstract

Medium access control (MAC) protocols coordinate channel access between wireless stations, and they significantly affect the network throughput of wireless ad hoc networks. MAC protocols that are based on a multichannel model can increase the throughput by enabling more simultaneous transmission pairs in the network. In this paper, we comprehensively compare different design methods for multichannel MAC protocols. We classify existing protocols into different categories according to the channel negotiation strategies they employ. The common problems that may be encountered in multichannel design are discussed. We then propose a hybrid protocol that combines the advantages of the two methods of a common control channel and a common control period. The simulation results show that our proposed protocol can significantly outperform two representative protocols. Copyright Β© 2008 John Wiley & Sons, Ltd.

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## Abstract Providing optimal resource utilization while minimizing costs involved for wireless networks remains a challenging issue. Particularly mobile __ad hoc__ environments subject to multi‐path fading and characterized by a dynamic topology need better resource management mechanisms. The focu