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General Information
    • ISSN: 1793-8244
    • Frequency: Semiyearly
    • DOI: 10.18178/JACN
    • Editor-in-Chief: Dr. Ka Wai Gary Wong
    • Executive Editor: Ms. Nina Lee
    • Abstracting/ Indexing: EI (INSPEC, IET), Engineering & Technology Digital Library, DOAJ, Electronic Journals Library, Ulrich's Periodicals Directory, International Computer Science Digital Library (ICSDL), ProQuest, and Google Scholar.
    • E-mail: jacn@ejournal.net
Editor-in-chief
Dr. Ka Wai Gary Wong
Division of Information and Technology Studies, Faculty of Education, The University of Hong Kong.
It's a honor to serve as the editor-in-chief of JACN. I'll work together with the editors and reviewers to help the journal progress
JACN 2015 Vol.3(2): 167-172 ISSN: 1793-8244
DOI: 10.7763/JACN.2015.V3.161

Normalized Least-Mean-Square Algorithm with a Pseudo-Fractional Number of Orthogonal Correction Factors

Sang Mok Jung, Ji-Hye Seo, and Poo Gyeon Park
Abstract—This paper proposes a normalized LMS algorithm (NLMS) that automatically determines the number of orthogonal correction factors (OCFs) by using a pseudo-fractional method, which relaxes the constraint that the number of OCFs in the NLMS algorithm must be integral and introduces the concept of a pseudo-fractional OCF number in the adaptation rule. The pseudo-fractional OCF number is adjusted by using the difference between the averages of the accumulated squared-output errors. The experimental results show that the proposed algorithm has not only a fast convergence rate but also a small steady-state estimation error with low computational complexity in comparison to existing algorithms with multiple input vectors.

Index Terms—Adaptive filters, normalized LMS with orthogonal correction factors (NLMS-OCF), pseudo-fractional OCF number, pseudo-fractional method.

S. M. Jung and P. G. Park are with the Electrical Engineering Department, Pohang University of Science and Technology (POSTECH), Pohang, Korea (e-mail: illus2@postech.ac.kr, ppg@postech.ac.kr). J.-H. Seo is with the Division of IT Convergence Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea (e-mail: bmclubhs@postech.ac.kr).

[PDF]

Cite:Sang Mok Jung, Ji-Hye Seo, and Poo Gyeon Park, "Normalized Least-Mean-Square Algorithm with a Pseudo-Fractional Number of Orthogonal Correction Factors," Journal of Advances in Computer Networks vol. 3, no. 2, pp. 167-172, 2015.

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