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Energy-efficient multiple-metric data delivery for wireless sensor networks

Daabaj, K. (2012) Energy-efficient multiple-metric data delivery for wireless sensor networks. Journal of Data Processing, 2 (2). pp. 47-56.

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Due to limited resources of individual senor nodes, there is usually a trade-off between energy spending for packets transmissions and the appropriate level of reliability. Since link failures and packet losses are unavoidable, sensor networks may tolerate a certain level of reliability without significantly affecting packets delivery performance and data aggregation accuracy in favor of efficient energy consumption. However a certain degree of reliability is needed, especially when hop count increases between source sensor nodes and the base station as a single lost packet may result in loss of a large amount of aggregated data along longer hops. An effective solution is to trade off between energy and reliability while improving packet delivery and minimizing unnecessary packet transmissions in favor of high success reception rates of representative data packets. Based on this approach, the proposed scheme achieves moderate energy consumption and high packet delivery ratio. The proposed scheme was experimentally investigated on a testbed of TelosB motes and proven to be more robust and energy efficient than the current implementation of TinyOS2.x MultihopLQI.

Item Type: Journal Article
Murdoch Affiliation(s): School of Information Technology
Publisher: DLine
Copyright: © 2012 DLINE.
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