Comparative analysis of link quality metrics and routing protocols for optimal route construction in wireless mesh networks

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We provide a comparative analysis of various routing strategies that affect the end-to-end performance in wireless mesh networks. We first improve well-known link quality metrics and routing algorithms to enhance performance in wireless mesh environments. We then investigate the route optimality, i.e., whether the best end-to-end route with respect to a given link quality metric is established, and its impact on the network performance. Network topologies, number of concurrent flows, and interference types are varied in our evaluation and we find that a non-optimal route is often established because of the routing protocol's misbehavior, inaccurate link metric design, interflow interference, and their interplay. Through extensive simulation analysis, we present insights on how to design wireless link metrics and routing algorithms to enhance the network capacity and provide reliable connectivity. (C) 2011 Published by Elsevier B.V.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2011-09
Language
English
Article Type
Article
Citation

AD HOC NETWORKS, v.9, no.7, pp.1343 - 1358

ISSN
1570-8705
DOI
10.1016/j.adhoc.2011.03.011
URI
http://hdl.handle.net/10203/198335
Appears in Collection
CS-Journal Papers(저널논문)
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