Matthieu le Berre

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In most wireless sensor network (WSN), energy is a limited resource. Indeed, a sensor has a limited power source (like a battery). When this power source is empty, the sensor stops working. In this paper, we will present the modeling of a multi-objective problem. The first objective is the maximization of the coverage of the area under time, the second(More)
This paper deals with the problem of deploying necessary camera sensors ensuring the maximum sum of weighted target points in 3-D areas while minimizing the total sensor network camera cost. The problem is NP-complete as it can be considered as a total grid coverage problem, which is an NP-complete problem when the sensing field is a 2-D area. We solve the(More)
In recent years, wireless sensor networks have become attractive for tracking and target surveillance. For these applications, the accuracy is an important constraint. In this paper, we study a multi-objective sensor placement problem taking into account the K-coverage and the accuracy. The objectives are the maximization of the K-coverage and the(More)
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