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Attainable Capacity Aware Routing Metric for Wireless Mesh Networks

Authors:
Nemesio Jr Macabale
Roel Ocampo
Cedric Angelo Festin

Keywords: wireless mesh networks, routing, routing metric, congestion awareness, attainable capacity

Abstract:
We propose a new metric, called the attainable capacity (ACAP) aware routing metric, to address issues on throughput, interference and load imbalance in wireless mesh networks. In contrast with previously proposed metrics, ACAP takes into account the busyness and shared nature of the wireless channel together with the combined effect of the transmission rates of the nodes that share it. Accordingly, paths with highest attainable capacity are chosen as the best paths. In the process, regions with higher degree of congestion are also avoided to improve throughput and load distribution across the network. We present an analysis of the above interaction and uses it to define ACAP. We expect ACAP to be significantly better than existing metrics in discriminating congested regions and in finding higher capacity routes. Like many of these existing metrics, APAC is suitable to both multi-radio and multi-channel wireless mesh networks.

Pages: 10 to 13

Copyright: Copyright (c) IARIA, 2010

Publication date: November 21, 2010

Published in: conference

ISSN: 2308-4146

ISBN: 978-1-61208-109-0

Location: Lisbon, Portugal

Dates: from November 21, 2010 to November 26, 2010