NDLI: Parity-Check Matrix Calculation for Paraunitary Oversampled DFT Filter Banks

Content Provider	IEEE Xplore Digital Library
Author	Karp, T. Kieffer, M. Duhamel, P.
Copyright Year	1991
Abstract	Joint source-channel coding schemes based on oversampled filter banks were recently proposed. Oversampled filter banks are considered as error-correcting codes, extending the notion of code subspace, parity-check matrix, and syndrome to the domain of real and complex numbers. We here present an efficient calculation and implementation of the parity-check polynomial matrices for oversampled discrete Fourier transform (DFT) filter banks. If desired, the calculation of the parity-check polynomials can be performed as part of the prototype filter design procedure. We compare our method to those previously presented in the literature.
Sponsorship	IEEE Signal Processing Society
Starting Page	5277
Ending Page	5283
Page Count	7
File Size	467567
File Format	PDF
ISSN	1053587X
Volume Number	56
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Parity check codes Filter bank Discrete Fourier transforms Polynomials Sparse matrices Prototypes Quantization Background noise Costs Error correction codes parity-check matrix Joint source-channel coding oversampled discrete Fourier transform (DFT) filter banks
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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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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