Dynamic path of mobile beacon in localisation of wireless sensor network
by Songsheng Li; Xiaoying Kong; Kumbesan Sandrasegaran
International Journal of Sensor Networks (IJSNET), Vol. 15, No. 2, 2014

Abstract: Localisation of sensors within wireless sensor networks (WSNs) with the help of mobile beacons (MB) has been shown to be effective. MB is flexible, movable and a powerful replacement for static beacons. The path of a MB within a field of interest is a determining factor of the success of an algorithm. In static paths, the path is determined a priori, often following a fixed pattern and potentially limited by the concrete terrain of the field. Conversely a dynamic path, which is based on the demand of sensors in the field in a real time, is more flexible and applicable in practice. In this paper, a localisation algorithm that is based on a MB dynamic path is proposed which avoids typical complications and heavy computations to save energy in sensors. Simulation results show that the algorithm can settle sensors within a short walking distance of autonomous MB.

Online publication date: Sun, 27-Apr-2014

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