A Stochastic Total Least Squares Solution of Adaptive Filtering Problem

An efficient and computationally linear algorithm is derived for total least squares solution of adaptive filtering problem, when both input and output signals are contaminated by noise. The proposed total least mean squares (TLMS) algorithm is designed by recursively computing an optimal solution o...

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Main Authors: Javed, Shazia, Ahmad, Noor Atinah
Format: Online
Language:English
Published: Hindawi Publishing Corporation 2014
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3932194/
id pubmed-3932194
recordtype oai_dc
spelling pubmed-39321942014-03-31 A Stochastic Total Least Squares Solution of Adaptive Filtering Problem Javed, Shazia Ahmad, Noor Atinah Research Article An efficient and computationally linear algorithm is derived for total least squares solution of adaptive filtering problem, when both input and output signals are contaminated by noise. The proposed total least mean squares (TLMS) algorithm is designed by recursively computing an optimal solution of adaptive TLS problem by minimizing instantaneous value of weighted cost function. Convergence analysis of the algorithm is given to show the global convergence of the proposed algorithm, provided that the stepsize parameter is appropriately chosen. The TLMS algorithm is computationally simpler than the other TLS algorithms and demonstrates a better performance as compared with the least mean square (LMS) and normalized least mean square (NLMS) algorithms. It provides minimum mean square deviation by exhibiting better convergence in misalignment for unknown system identification under noisy inputs. Hindawi Publishing Corporation 2014-02-03 /pmc/articles/PMC3932194/ /pubmed/24688412 http://dx.doi.org/10.1155/2014/625280 Text en Copyright © 2014 S. Javed and N. A. Ahmad. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Javed, Shazia
Ahmad, Noor Atinah
spellingShingle Javed, Shazia
Ahmad, Noor Atinah
A Stochastic Total Least Squares Solution of Adaptive Filtering Problem
author_facet Javed, Shazia
Ahmad, Noor Atinah
author_sort Javed, Shazia
title A Stochastic Total Least Squares Solution of Adaptive Filtering Problem
title_short A Stochastic Total Least Squares Solution of Adaptive Filtering Problem
title_full A Stochastic Total Least Squares Solution of Adaptive Filtering Problem
title_fullStr A Stochastic Total Least Squares Solution of Adaptive Filtering Problem
title_full_unstemmed A Stochastic Total Least Squares Solution of Adaptive Filtering Problem
title_sort stochastic total least squares solution of adaptive filtering problem
description An efficient and computationally linear algorithm is derived for total least squares solution of adaptive filtering problem, when both input and output signals are contaminated by noise. The proposed total least mean squares (TLMS) algorithm is designed by recursively computing an optimal solution of adaptive TLS problem by minimizing instantaneous value of weighted cost function. Convergence analysis of the algorithm is given to show the global convergence of the proposed algorithm, provided that the stepsize parameter is appropriately chosen. The TLMS algorithm is computationally simpler than the other TLS algorithms and demonstrates a better performance as compared with the least mean square (LMS) and normalized least mean square (NLMS) algorithms. It provides minimum mean square deviation by exhibiting better convergence in misalignment for unknown system identification under noisy inputs.
publisher Hindawi Publishing Corporation
publishDate 2014
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3932194/
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