Conference Proceedings

Monitoring moving objects using low frequency snapshots in sensor networks

E Tanin, S Chen, J Tatemura, WP Hsiung

Proceedings - IEEE International Conference on Mobile Data Management | Published : 2008

Abstract

Monitoring moving objects is one of the key application domains for sensor networks. In the absence of cooperative objects and devices attached to these objects, target tracking algorithms have to be used for monitoring. In this paper, we present that many of the applications of moving object monitoring systems could be addressed with low-frequency snapshot-based queries. With the realization of this query type, we show that existing target tracking algorithms may not be the least expensive solutions. We introduce an approach that uses two alternating strategies. We maintain a cheap low-quality knowledge of moving objects' location between snapshots and trigger expensive sensor readings only..

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