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Parity-check matrix calculation for paraunitary oversampled DFT filter banks

Authors
  • Karp, Tania
  • Kieffer, Michel
  • Duhamel, Pierre
Publication Date
Oct 01, 2008
Source
HAL-SUPELEC
Keywords
License
Unknown
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Abstract

Oversampled filter banks, interpreted as error correction codes, were recently introduced in the literature. We here present an efficient calculation and implementation of the parity-check polynomial matrices for oversampled DFT filter banks. If desired, the calculation of the partity-check polynomials can be performed as part of the prototype filter design procedure. We compare our method to those previously presented in the literature.

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