Sensors & Transducers Journal

    (ISSN 1726- 5479)

Vol. 81, Issue 7, July 2007, pp. 1302-1314

Dynamic Sensor Networks

Simone Gabriele, Paolo Di Giamberardino

Department of Computer and System Sciences ‘Antonio Ruberti’

University of Rome ‘La Sapienza’, Via Ariosto 25, 00185 Rome, Italy

E-mail: digiamberardino@dis.uniroma1.it, gabriele@dis.uniroma1.it

Received: 21 June 2007   /Accepted: 16 July 2007   /Published: 23 July 2007

Abstract: The present paper discusses the possibility of using dynamic sensor networks for measurements over large areas. The main idea is to replace static networks, where the allocation of the sensors is pre defined, no matter how, and then the configuration is assumed and maintained, with a dynamic network whose configuration continuously changes in order to cover the whole measure area getting the different measures of the same point within a prefixed time interval. The main advantages are the reduced number of sensors required, a faster recover from damages, the possibility of changing dynamically the area or the subareas of interest, etc. The feasibility of such solution is shown by finding, in an optimal control problem formulation context, the trajectories of each sensor and the controls for such a motion. Simulation results are reported to highlight such results.

Keywords: Sensor networks, Dynamical configuration, Mobile sensors, Optimal control

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