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Distributed scheduling for cooperative tracking in hierarchical wireless sensor networks

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3 Author(s)
Ying-Chih Chen ; Dept. of Electr. Eng., Nat. Chung Hsing Univ., Taichung, Taiwan ; Su-Mong Yu ; Chih-Yu Wen

This paper proposes a distributed method for cooperative target tracking in hierarchical wireless sensor networks. The concept of leader-based information processing is conducted to achieve object positioning, considering a cluster-based network topology. Random timers and local information are applied to adaptively select a sub-cluster for the localization task. The proposed energy-efficient tracking algorithm allows each sub-cluster member to locally estimate the target position with a Bayesian filtering framework and further performs estimation fusion in the leader node with the covariance intersection algorithm. This paper evaluates the merits and trade-offs of the protocol design towards developing more efficient and practical algorithms for object position estimation.

Published in:

Wireless Personal Multimedia Communications (WPMC), 2012 15th International Symposium on

Date of Conference:

24-27 Sept. 2012

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