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IEICE TRANSACTIONS on Fundamentals

Open Access
Statistical-Mechanical Analysis of Adaptive Volterra Filter with the LMS Algorithm

Kimiko MOTONAKA, Tomoya KOSEKI, Yoshinobu KAJIKAWA, Seiji MIYOSHI

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Summary :

The Volterra filter is one of the digital filters that can describe nonlinearity. In this paper, we analyze the dynamic behaviors of an adaptive signal-processing system including the Volterra filter by a statistical-mechanical method. On the basis of the self-averaging property that holds when the tapped delay line is assumed to be infinitely long, we derive simultaneous differential equations in a deterministic and closed form, which describe the behaviors of macroscopic variables. We obtain the exact solution by solving the equations analytically. In addition, the validity of the theory derived is confirmed by comparison with numerical simulations.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E104-A No.12 pp.1665-1674
Publication Date
2021/12/01
Publicized
2021/06/01
Online ISSN
1745-1337
DOI
10.1587/transfun.2021EAP1013
Type of Manuscript
PAPER
Category
Digital Signal Processing

Authors

Kimiko MOTONAKA
  Kansai University
Tomoya KOSEKI
  JB Toll System. Co. Ltd.
Yoshinobu KAJIKAWA
  Kansai University
Seiji MIYOSHI
  Kansai University

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