A cascade lattice IIR adaptive filter structure using simultaneous perturbation method

Authors:
Ivan Medina-Martinez;Mariko Nakano-Miyatake;Kazushi Nakano;Hector Perez-Meana
Affiliations:
Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico;Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico;Department of Electronic Engineering, The University of Electro-Communications, Tokyo, Japan;Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico
Venue:
ICCOM'05 Proceedings of the 9th WSEAS International Conference on Communications
Year:
2005

Citing 2
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Abstract

A new IIR adaptive filter algorithm is proposed in which the filter structure is constructed as a cascade of a transversal structure and an all pole lattice structure. The filter structure is adapted using the Steiglitz-McBride method in which the transversal section and lattice sections are updated using the simultaneous perturbation method. Proposed algorithm preserves the stability of the IIR adaptive filter during the adaptation with a lower computational complexity than conventional algorithms. Simulation results show the desirable features of proposed scheme.