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Multihop routing reliability in wireless sensor networks

Daabaj, K., Dixon, M.W. and Koziniec, T. (2009) Multihop routing reliability in wireless sensor networks. In: The Tenth Postgraduate Electrical Engineering & Computing Symposium (PEECS 2009), 1 October, Perth, Western Australia.

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Recent studies on a reliable energy efficient routing in multihop wireless sensor networks have shown a great reliance on radio channel quality in route selection decisions. If sensor nodes along the routing path and closer to the base station present a high quality link to forwarding upstream packets, these sensor nodes will experience a faster depletion rate in their residual energy levels. This results in a topological bottleneck or network partitioning. In this extended abstract, we present an empirical study on how to improve energy efficiency for reliable multihop communications by integrating additional useful information from different layers: e.g., residual energy level, link quality, and hop count. The proposed approach aims to balance the workload among relay nodes to achieve a balanced energy usage, thereby maximizing the operational network lifetime. The obtained results are presented from prototype real-network experiments based on the Mica2 (MPR400) wireless sensor platform developed by Crossbow Technologies Inc.

Item Type: Conference Item
Murdoch Affiliation(s): School of Information Technology
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