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Sensors 2009, 9(8), 5919-5932;

Inertial and Magnetic Sensor Data Compression Considering the Estimation Error

Department of Electrical Engineering, University of Ulsan, Namgu, Ulsan, Korea
Received: 22 June 2009 / Revised: 15 July 2009 / Accepted: 17 July 2009 / Published: 24 July 2009
(This article belongs to the Special Issue Sensor Algorithms)
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This paper presents a compression method for inertial and magnetic sensor data, where the compressed data are used to estimate some states. When sensor data are bounded, the proposed compression method guarantees that the compression error is smaller than a prescribed bound. The manner in which this error bound affects the bit rate and the estimation error is investigated. Through the simulation, it is shown that the estimation error is improved by 18.81% over a test set of 12 cases compared with a filter that does not use the compression error bound. View Full-Text
Keywords: compression; estimation; inertial sensor; magnetic sensor compression; estimation; inertial sensor; magnetic sensor

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Suh, Y.S. Inertial and Magnetic Sensor Data Compression Considering the Estimation Error. Sensors 2009, 9, 5919-5932.

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