Recharging Vehicle Distance Minimization in Wireless Sensor Networks (bibtex)
by Georgios Tsoumanis, Konstantinos Oikonomou, Sonia Aïssa, Ioannis Stavrakakis
Abstract:
Wireless sensor networks suffer from increased energy consumption 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 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.
Reference:
Georgios Tsoumanis, Konstantinos Oikonomou, Sonia Aïssa, Ioannis Stavrakakis, "Recharging Vehicle Distance Minimization in Wireless Sensor Networks", In BalkanCom 2017, First International Balkan Conference on Communications and Networking, Tirana, Albania, 2017. ([pdf])
Bibtex Entry:
@inproceedings{tsoumanis2017recharging,
	Abstract = {Wireless sensor networks suffer from increased energy consumption 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 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.},
	Author = {Tsoumanis, Georgios and Oikonomou, Konstantinos and A{\"i}ssa, Sonia and Stavrakakis, Ioannis},
	Booktitle = {BalkanCom 2017, First International Balkan Conference on Communications and Networking, Tirana, Albania},
	Comment = {<a href="./MyPublications/tsoumanis2017recharging.pdf">[pdf]</a>},
	Keywords = {own, sonia, refereed},
	Month = {June},
	Title = {Recharging Vehicle Distance Minimization in Wireless Sensor Networks},
	Venue = {Tirana, Albania},
	Year = {2017}}
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