A confidence ellipsoid approach for measurement cost minimization under Gaussian noise
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2012-06
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Abstract
The well-known problem of estimating an unknown deterministic parameter vector over a linear system subject to additive Gaussian noise is studied from the perspective of minimizing total sensor measurement cost under a constraint on the log volume of the estimation error confidence ellipsoid. A convex optimization problem is formulated for the general case, and a closed form solution is provided when the system matrix is invertible. Furthermore, effects of system matrix uncertainty are discussed by employing a specific but nevertheless practical uncertainty model. Numerical examples are presented to discuss the theoretical results in detail.
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13th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), IEEE 2012
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IEEE
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English