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Overview of Wireless Mesh Networks

Salah A. Alabady and M. F. M. Salleh
School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Seri Ampangan, 14300, Nibong Tebal, Pulau Pinang, Malaysia
Abstract—Wireless Mesh Networks (WMNs) introduce a newparadigm of wireless broadband Internet access by providinghigh data rate service, scalability, and self-healing abilities atreduced cost. Obtaining high throughput for multi-castapplications (e.g. video streaming broadcast) in WMNs ischallenging due to the interference and the change of channelquality. To overcome this issue, cross-layer has been proposedto improve the performance of WMNs. Network coding is apowerful coding technique that has been proven to be the veryeffective in achieving the maximum multi-cast throughput. Inaddition to achieving the multi-cast throughput, network codingoffers other benefits such as load balancing and savesbandwidth consumption. This paper presents a review thefundamental concept types of medium access control (MAC)layer, routing protocols, cross-layer and network coding forwireless mesh networks. Finally, a list of directions for furtherresearch is considered. 
 
Index Terms—Wireless mesh networks, multi-cast multi- radiomulti- channel, medium access control, routing protocols,channel assignment, cross layer, network coding.

Cite: Salah A. Alabady and M. F. M. Salleh, "Overview of Wireless Mesh Networks," Journal of Communications, vol. 8, no. 9, pp. 586-599, 2013. doi: 10.12720/jcm.8.9.586-599
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