An algebraic step size least mean fourth algorithm for acoustic communication channel estimation

- Journal title : The Journal of the Acoustical Society of Korea
- Volume 35, Issue 1, 2016, pp.55-62
- Publisher : The Acoustical Society of Korea
- DOI : 10.7776/ASK.2016.35.1.055

Title & Authors

An algebraic step size least mean fourth algorithm for acoustic communication channel estimation

Lim, Jun-Seok;

Lim, Jun-Seok;

Abstract

The least-mean fourth (LMF) algorithm is well known for its fast convergence and low steady-state error especially in non-Gaussian noise environments. Recently, there has been increasing interest in the least mean square (LMS) algorithms with variable step size. It is because the variable step-size LMS algorithms have shown to outperform the conventional fixed step-size LMS in the various situations. In this paper, a variable step-size LMF algorithm is proposed, which adopts an algebraic optimal step size as a variable step size. It is expected that the proposed algorithm also outperforms the conventional fixed step-size LMF. The superiority of the proposed algorithm is confirmed by the simulations in the time invariant and time variant channels.

Keywords

Acoustic communication;Channel estimation;LMF;Algebraic optimal step-size;

Language

Korean

Cited by

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