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Issue No.06 - June (2011 vol.10)
pp: 753-766
Novella Bartolini , Sapienza University of Rome, Rome
Tiziana Calamoneri , Sapienza University of Rome, Rome
Thomas F. La Porta , Pennsylvania State University, University Park
Simone Silvestri , Sapienza University of Rome, Rome
In this paper, we address the problem of deploying heterogeneous mobile sensors over a target area. Traditional approaches to mobile sensor deployment are specifically designed for homogeneous networks. Nevertheless, network and device homogeneity is an unrealistic assumption in most practical scenarios, and previous approaches fail when adopted in heterogeneous operative settings. For this reason, we introduce VorLag, a generalization of the Voronoi-based approach which exploits the Laguerre geometry. We theoretically prove the appropriateness of our proposal to the management of heterogeneous networks. In addition, we demonstrate that VorLag can be extended to deal with dynamically generated events or uneven energy depletion due to communications. Finally, by means of simulations, we show that VorLag provides a very stable sensor behavior, with fast and guaranteed termination and moderate energy consumption. We also show that VorLag performs better than its traditional counterpart and other methods based on virtual forces.
Device heterogeneity, self-deployment, Voronoi-Laguerre diagrams.
Novella Bartolini, Tiziana Calamoneri, Thomas F. La Porta, Simone Silvestri, "Autonomous Deployment of Heterogeneous Mobile Sensors", IEEE Transactions on Mobile Computing, vol.10, no. 6, pp. 753-766, June 2011, doi:10.1109/TMC.2010.192
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