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Resource optimisation in a wireless sensor network with guaranteed estimator performance
Abstract New control paradigms are needed for large …
New control paradigms are needed for large networks of wireless sensors and actuators in order to efficiently utilise system resources. In this study, the authors consider the problem of discrete-tie state estimation over a wireless sensor network. Given a tree that represents the sensor communications with the fusion centre, the authors derive the optimal estimation algorithm at the fusion centre, and provide a closed-form expression for the steady-state error covariance matrix. They then present a tree reconfiguration algorithm that produces a sensor tree that has low overall energy consumption and guarantees a desired level of estimation quality at the fusion centre. The authors further propose a sensor tree construction and scheduling algorithm that leads to a longer network lifetime than the tree reconfiguration algorithm. Examples are provided throughout the paper to demonstrate the algorithms and theory developed.
trate the algorithms and theory developed.  +
Authors L Shi, A Capponi, K Johansson, R Murray  +
ID 2010f  +
Source IET Control Theory and Applications, 4(5):710-723  +
Tag scjm10-cta  +
Title Resource optimisation in a wireless sensor network with guaranteed estimator performance +
Type Preprint  +
Categories Papers
Modification date
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15 May 2016 06:16:19  +
URL
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http://www.cds.caltech.edu/~murray/preprints/scjm10-cta.pdf  +
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Resource optimisation in a wireless sensor network with guaranteed estimator performance + Title
 

 

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