Talker:  François Septier (Institut Mines Télécom / Télécom Lille)

Title: Connectivity and Localization in Wireless Sensor Networks

Abstract: Recently, a great interest is devoted to wireless ad hoc networks, in particular to wireless sensor networks (WSN). WSNs are composed of a large numbers of low-cost, low-power, densely distributed, and possibly heterogeneous sensors. WSNs have a wide range of application areas such as battlefield surveillance, environment or health monitoring, and disaster relief operations. In these applications, WSNs are used for a variety of tasks such as detection, recognition, localization and tracking of objects or events of interest. In this talk, I will describe firstly some recent work on the statistical study of network connectivity, which expresses a global property of the system as a whole: can information be transferred through the network? Then, a localization algorithm for an unknown number of sources given some quantized data obtained at the fusion center from different sensors with imperfect wireless channels will be presented.

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