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Least Channel Variation Multi-Channel MAC (LCV-MMAC) under Mobile Random Topologies in Mobile Adhoc Networks

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2015
Authors:
Shagufta Henna, Muhammad Bilal Saleemi
10.5120/ijca2015907207

Shagufta Henna and Muhammad Bilal Saleemi. Article: Least Channel Variation Multi-Channel MAC (LCV-MMAC) under Mobile Random Topologies in Mobile Adhoc Networks. International Journal of Computer Applications 131(4):1-6, December 2015. Published by Foundation of Computer Science (FCS), NY, USA. BibTeX

@article{key:article,
	author = {Shagufta Henna and Muhammad Bilal Saleemi},
	title = {Article: Least Channel Variation Multi-Channel MAC (LCV-MMAC) under Mobile Random Topologies in Mobile Adhoc Networks},
	journal = {International Journal of Computer Applications},
	year = {2015},
	volume = {131},
	number = {4},
	pages = {1-6},
	month = {December},
	note = {Published by Foundation of Computer Science (FCS), NY, USA}
}

Abstract

The use of multiple channels for transmissions has raised several challenges, for example, multi-channel hidden terminal problem, channel switching delay, and control channel saturation problem. Dedicated control channel techniques simplify channel coordination by eliminating the need for synchronization, however the control channel may become the bottleneck for the performance of the network. A better trade off which can solve the coordination problem, and can mitigate the control channel bottleneck is desirable. Least Channel Variant Multi-channel MAC (LCV-MMAC) is a multi-channel MAC based on IEEE 802.11 MAC. The novel part of this protocol is the channel assignment technique, where a mechanism to avoid unnecessary channel assignment and thus channel switching is used. Further, LCV-MMAC avoids channel contention when the control channel is highly saturated. In this paper, we explore the properties of LCV-MMAC through extensive simulations with the help of ns-2, and compare it with popular existing multi-channel MAC protocols in different mobile and static random topologies. Experimental results validate that LCV-MMAC achieves significantly better aggregated throughput, and fairness index than other multi-channel MAC protocols in different random network scenarios.

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Keywords

LCV-MMAC, random topologies, performance evaluation of LCVMMAC