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dc.contributor.authorTsoumanis, Georgios
dc.contributor.authorOikonomou, Konstantinos
dc.contributor.authorAïssa, Sonia
dc.contributor.authorStavrakakis, Ioannis 
dc.date.accessioned2021-07-13T09:33:22Z
dc.date.available2021-07-13T09:33:22Z
dc.date.issued2018-06
dc.identifier.issn1570-8705
dc.identifier.urihttp://hdl.handle.net/20.500.12761/544
dc.description.abstractEfficient energy consumption is a challenging problem in wireless sensor networks especially close to the sink node, known as the energy hole problem. Various policies for recharging battery exhausted nodes have been proposed using special recharging vehicles. The focus in this paper is on a simple recharging policy that permits a recharging vehicle, stationed at the sink node, to move around and replenish any node’s exhausted battery when a certain recharging threshold is violated. The minimization of the recharging distance covered by the recharging vehicle is shown to be a facility location problem, and particularly a 1-median one. Simulation results investigate various aspects of the recharging policy – including an enhanced version – related to the recharging threshold and the level of the energy left in the network nodes’ batteries. In addition, it is shown that when the sink’s positioning is set to the solution of the particular facility location problem, then the recharging distance is minimized irrespectively of the recharging threshold.
dc.publisherElsevier
dc.titleA Recharging Distance Analysis for Wireless Sensor Networks
dc.typejournal article
dc.journal.titleAd Hoc Networks
dc.volume.number75-76
dc.identifier.doihttps://doi.org/10.1016/j.adhoc.2018.03.003
dc.page.final86
dc.page.initial80
dc.subject.keywordBattery Recharging
dc.subject.keywordEnergy Consumption
dc.subject.keywordFacility Location
dc.subject.keywordTheory
dc.subject.keywordSink Positioning
dc.subject.keywordWireless Sensor Networks
dc.description.statuspub
dc.eprint.idhttp://eprints.networks.imdea.org/id/eprint/1788


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