Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24366
Title: Kernel affine projection sign algorithms for combating impulse interference
Authors: Wang, S
Feng, J
Tse, CK 
Keywords: Affine projection sign algorithm (APSA)
Computational complexity
Impulse interference
Kernel
Variable step size
Issue Date: 2013
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on circuits and systems. II, Express briefs, 2013, v. 60, no. 11, 6621046, p. 811-815 How to cite?
Journal: IEEE transactions on circuits and systems. II, Express briefs 
Abstract: The kernel method has been successfully applied to nonlinear adaptive filtering. This brief presents a kernel affine projection sign algorithm (KAPSA), which is a nonlinear extension of the affine projection sign algorithm (APSA). The proposed KAPSA combines the benefits of the kernel method and the APSA, and is robust against non-Gaussian impulse interference. In order to further improve the filtering performance, a variable step-size adjustment is incorporated into the KAPSA, resulting in a new variable step-size kernel APSA (VSS-KAPSA) without increasing the computational burden. Simulations in the context of time-series prediction show that both the KAPSA and the VSS-KAPSA are robust against impulse interference and that both outperform other affine projection algorithms in terms of steady-state mean square errors.
URI: http://hdl.handle.net/10397/24366
ISSN: 1549-7747
EISSN: 1558-3791
DOI: 10.1109/TCSII.2013.2281712
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