Overlap-Save Commutators for High-Speed Streaming Data Filtering

Overlap-save and overlap-add methods enable efficient implementation of FIR filters. In this paper, a compact method for handling the overlap and shuffle of samples for real-time processing using pipelined FFT architectures is presented. It is suitable for cases when the sample rate is equal to or h...

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Bibliographic Details
Main Authors: Bae, Cheolyong, Gustafsson, Oscar
Format: Conference Proceeding
Language:English
Subjects:
Clocks
Commutators
Digital filter
Digital signal processing
Fast Fourier transform
Filtering
Finite impulse response filters
Fourier transforms
Indexes
Overlap-save method
Real-time systems
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Description
Summary:Overlap-save and overlap-add methods enable efficient implementation of FIR filters. In this paper, a compact method for handling the overlap and shuffle of samples for real-time processing using pipelined FFT architectures is presented. It is suitable for cases when the sample rate is equal to or higher than the clock frequency.
ISSN:2158-1525
2158-1525
DOI:10.1109/ISCAS51556.2021.9401186