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Authors: Seung Hun Kim ; Jae Jin Jeong ; Gyogwon Koo and Sang Woo Kim

Affiliation: POSTECH, Korea, Republic of

ISBN: 978-989-758-122-9

Keyword(s): Adaptive Filter, Impulsive Noise, Variable Step-size, Affine Projection Sign Algorithm.

Related Ontology Subjects/Areas/Topics: Adaptive Signal Processing and Control ; Informatics in Control, Automation and Robotics ; Optimization Problems in Signal Processing ; Signal Processing, Sensors, Systems Modeling and Control ; System Identification

Abstract: A novel robust affine projection algorithm (APA) is proposed, which selectively shrinks error components in an error vector according to their individual possibilities of being interrupted by the impulsive noise. In existing robust APAs, if there exists only one error component interrupted by the impulsive noise, all error components of an error vector are shrunk using common step sizes which are inversely proportional to the norm of the error vector. This improper scaling results in performance degradation with a high impulsive noise probability and projection order. In this paper, we derive a modified minimization criterion considering the individual possibilities of error components from a geometric interpretation. For a wide range of impulsive noise probability and a high projection order, the performance of the proposed algorithm is verified in various system identification events including an abrupt system change. The proposed algorithm showed the fastest convergence rate and th e lowest steady-state mean square deviation compared to the previous robust APAs and a recent variable step-size affine projection sign algorithm. (More)

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Paper citation in several formats:
Kim, S.; Jeong, J.; Koo, G. and Kim, S. (2015). Robust Affine Projection Algorithm using Selectively Shrunk Error Component.In Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 978-989-758-122-9, pages 511-516. DOI: 10.5220/0005530605110516

@conference{icinco15,
author={Seung Hun Kim. and Jae Jin Jeong. and Gyogwon Koo. and Sang Woo Kim.},
title={Robust Affine Projection Algorithm using Selectively Shrunk Error Component},
booktitle={Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2015},
pages={511-516},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005530605110516},
isbn={978-989-758-122-9},
}

TY - CONF

JO - Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - Robust Affine Projection Algorithm using Selectively Shrunk Error Component
SN - 978-989-758-122-9
AU - Kim, S.
AU - Jeong, J.
AU - Koo, G.
AU - Kim, S.
PY - 2015
SP - 511
EP - 516
DO - 10.5220/0005530605110516

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