A new method for efficient convolution in frequency domain bynonuniform partitioning for adaptive filtering

Authors:
G.P.M. Egelmeers;P.C.W. Sommen
Affiliations:
Electron. Circuit Design Group, Eindhoven Univ. of Technol.;-
Venue:
IEEE Transactions on Signal Processing
Year:
1996

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Abstract

By using block processing, partitioning, and fast Fourier transforms (FFTs), large filters perform efficiently in the frequency domain. For small processing delay the complexity can still be too large for implementation on a digital signal processor (DSP). A solution is to partition the filter into unequal-length subfilters. Application in adaptive filtering yields the nonuniform partitioned block frequency domain adaptive filter (NU-PBFDAF)