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Optimal design of nonuniform FIR transmultiplexer using semi-infinite programming

By C. Y.-F. Ho, Wing-Kuen Ling, Yan-Qun Liu, P. K. S. Tam and Kok-Lay Teo

Abstract

This paper considers an optimum nonuniform FIR transmultiplexer design problem subject to specifications in the frequency domain. Our objective is to minimize the sum of the ripple energy for all the individual filters, subject to the specifications on amplitude and aliasing distortions, and to the passband and stopband specifications for the individual filters. This optimum nonuniform transmultiplexer design problem can be formulated as a quadratic semi-infinite programming problem. The dual parametrization algorithm is extended to this nonuniform transmultiplexer design problem. If the lengths of the filters are sufficiently long and the set of decimation integers is compatible, then a solution exists. Since the problem is formulated as a convex problem, if a solution exists, then the solution obtained is unique and the local solution is a global minimum

Topics: H610 Electronic Engineering
Publisher: IEEE
Year: 2005
DOI identifier: 10.1109/TSP.2005.849209
OAI identifier: oai:eprints.lincoln.ac.uk:3070

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Citations

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