Coefficient quantization in nearly perfect-reconstruction cosine-modulated filter banks

Authors:
J. Alhava;A. Viholainen
Affiliations:
Telecommun. Lab., Tampere Univ. of Technol., Finland;-
Venue:
ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 01
Year:
2000

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Implementation of linear-phase FIR nearly perfect reconstruction cosine-modulated filterbanks utilizing the coefficient symmetry

IEEE Transactions on Circuits and Systems Part I: Regular Papers

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Abstract

This paper presents one possible implementation structure for nearly perfect-reconstruction (NPR) cosine-modulated filter banks (CMFBs). The effect of straightforward coefficient quantization on the performance of the filter bank systems is studied. In multicarrier systems, these filter banks can be used in the transmultiplexer (TMUX) configuration. The performance is evaluated by using parameters like intercarrier interference (ICI), intersymbol interference (ISI), and stopband attenuation.