AT-Dist: A Distributed Method for Localization with High Accuracy in Sensor Networks

Abstract : Many sensor network applications are based on the knowledge of sensor locations. A priori, some sensors know their position (via GPS). The objective of this paper is to allow positioning of remaining sensors with high accuracy. Existing technologies (e.g. ToA - Time of Arival) allow sensors to calculate ranges with their neighbor nodes. A new and original range-based distributed technique, called AT-Dist, is presented. It uses two important properties: first, it allows to locate sensor nodes while giving them the accuracy of their position. Thus, a sensor node can deduce if its estimated position is close to its real position and contribute to the positioning of others nodes. Second, AT-Dist manages introduction of measure errors which is the main drawback of range-based methods. As a result, AT-Dist locates with an exact or accuracy position many sensors. Simulations show the efficiency of our method in comparison to others.
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Article dans une revue
Studia Informatica Universalis, Hermann, 2008, Special Issue on "Wireless Ad Hoc and Sensor Networks", 6 (1), pp.14-39. 〈http://studia.complexica.net/Art/RI060102.pdf〉
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Dernière modification le : jeudi 24 mai 2018 - 15:59:21
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Clément Saad, Abderrahim Benslimane, Jean-Claude König. AT-Dist: A Distributed Method for Localization with High Accuracy in Sensor Networks. Studia Informatica Universalis, Hermann, 2008, Special Issue on "Wireless Ad Hoc and Sensor Networks", 6 (1), pp.14-39. 〈http://studia.complexica.net/Art/RI060102.pdf〉. 〈lirmm-00270283〉

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