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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Sink Mobile for Efficient Data Dissemination in Wireless Sensor Networks
verfasst von : M. Guerroumi, Nadjib Badache, S. Moussaoui
Erschienen in: Networked Digital Technologies
Verlag: Springer Berlin Heidelberg
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Among the challenges posed by the problem of data dissemination in wireless sensor networks one that has recently received considerable attention concerns the minimization of the node energy consumption for increasing the overall network lifetime. The sensor devices are battery powered thus energy is the most precious resource of a wireless sensor network since periodically replacing the battery of the nodes in large scale deployments is infeasible. Disseminate the collected data peer to peer to a static control point consumes significant amounts of energy especially for the sensor nodes around to the static sink. In this paper, we present new sink mobility-based data dissemination protocol to minimize energy consumption. We define new sink mobility scheme in which sensor sink periodically moves towards any destination based on the data dissemination frequency calculated during the last period. The simulation result shows that the proposal protocol permits to reduce the energy consumption and prolong the network life.