On the implementation of 2-band cyclic filter banks

Ramkumar, M. ; Anand, G. V. ; Akansu, A. N. (1999) On the implementation of 2-band cyclic filter banks Proceedings of the 1999 IEEE International Symposium on Circuits and Systems, 1999. ISCAS '99, 3 . pp. 520-523.

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Official URL: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arn...

Related URL: http://dx.doi.org/10.1109/ISCAS.1999.778897


The concept of cyclic filter banks was introduced independently in Ref. [1] and [2], though in [1], a different nomenclature was used. "Cyclic filter banks" is a superset of the traditional non-cyclic filter banks, and readily suggest implementation of subband filtering through DFT. In this paper we show that the DFT implementation is also advantageous for the conventional FIR filter banks. The discussions in this paper concentrate on the more frequently used 2-band decompositions. However, extensions to M bands is not difficult.

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