Parity-check matrix calculation for paraunitary oversampled DFT filter banks

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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Tania Karp, Michel Kieffer, Pierre Duhamel. Parity-check matrix calculation for paraunitary oversampled DFT filter banks. IEEE Transactions on Signal Processing, Institute of Electrical and Electronics Engineers, 2008, 56 (10), pp.5277-5283. ⟨hal-00549122⟩

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