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Adaptive Sensor Management Based on Spatial Correlation in Wireless Sensor Networks

Mohammad Reza ZOGHI, Mohammad Hossein KAHAEI

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Summary :

This paper addresses the problem of sensor selection in wireless sensor networks (WSN) subject to a distortion constraint. To do so, first, a cost function is derived based on the spatial correlation obtained using the best estimation of the event source. Then, a new adaptive algorithm is proposed in which the number of active sensors is adaptively determined and the best topology of the active set is selected based on the add-one-sensor-node-at-a-time method. Simulations results show that the active sensors selected using the proposed cost function have less event distortion. Also, it is shown that the proposed sensor selection algorithm is near optimum and it has better performance than other algorithms with regard to the computational burden and distortion.

Publication
IEICE TRANSACTIONS on Communications Vol.E94-B No.6 pp.1598-1605
Publication Date
2011/06/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E94.B.1598
Type of Manuscript
Special Section PAPER (Special Section on New Generation Mobile and Sensor Networking and Future Networks)
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