Distributed virtual-movement scheme for improving energy efficiency in wireless sensor networks

Authors:
Carmelo Costanzo;Valeria Loscrì;Enrico Natalizio
Affiliations:
University of Calabria, Cosenza, Italy;University of Calabria, Cosenza, Italy;University of Calabria, Cosenza, Italy
Venue:
Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems
Year:
2009

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Abstract

In this paper, controlled mobility is used in a novel fashion in order to achieve the best placement for prolonging the lifetime and for maximizing the energy efficiency of the wireless sensor network. Basically, a new source of energy consumption is introduced when the mobility of nodes is exploited. We design a new mechanism for the nodes, which, by virtualizing the movement phase, makes nodes reach the best placement and, at the same time, it counterbalances the effects of energy wasting caused by the movement. We validated the results by extensive simulation campaigns where different network parameters vary. In all the cases, the performance of the network, in terms of lifetime and energy efficiency, has been found fairly superior to the schemes existing in literature.