NDLI: Low footprint delayless subband adaptive filter

Content Provider	IEEE Xplore Digital Library
Author	Sepehr, H. Pakbaz, B. Brennan, P.V.
Copyright Year	2010
Description	Author affiliation: University College London (Brennan, P.V.) \|\| ElaraTek Ltd (Sepehr, H.; Pakbaz, B.)
Abstract	Adaptive filters are widely used for modelling an unknown system. Performance and complexity of adaptive filters are major problems when the length of adaptive filters becomes long. Delayless subband adaptive filters are introduced to reduce the complexity of adaptive filters while removing the processing delay inherent in subband processing. In this paper, a new adaptation method for a delayless subband adaptive structure is proposed which substantially reduces the memory foot print and to some extent computational load of the delayless algorithm. This is achieved by removing the adaptive weights in subband and performing adaptation in full band by use of subband data. Additionally, by modifying the adaptation algorithm with minimal computational overhead, performance of the proposed algorithm is improved in respect to speed of convergence. Suggested method is compared against two other delayless algorithms and similar or faster speed of convergence is achieved with the proposed method which has lower complexity.
Starting Page	432
Ending Page	437
File Size	215445
Page Count	6
File Format	PDF
ISBN	9781424489329
ISSN	15206130
e-ISBN	9781424489336
e-ISBN	9781424489343
DOI	10.1109/SIPS.2010.5624886
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive filters Mathematical model Equations Filter bank Signal processing algorithms Convergence Complexity theory Adaptive Signal Processing Adaptive Filters System Identification
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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