Title :
Stabilizing adaptive lattice IIR structures by projection of constraints
Author :
Khoini-Poorfard, Ramin ; Johns, David A.
Author_Institution :
Dept. of Electr. Eng., Toronto Univ., Ont., Canada
Abstract :
Adaptive lattice infinite impulse response (IIR) structures and their stability are considered. Several methods for preserving the structural stability of adaptive lattice IIR filters are compared. It is shown that by choosing a suitable projection of constraints an algorithm can be developed which is not prone to instability of the filter itself. Several simulation results show the improvement of this method with respect to the conventional methods
Keywords :
adaptive filters; digital filters; filtering and prediction theory; stability; adaptive lattice IIR structures; constraints projection; infinite impulse response; instability; projection of constraints; structural stability; Adaptive filters; Attenuation; Constraint optimization; IIR filters; Interference; Lattices; Narrowband; Signal Processing Society; Signal processing algorithms; White noise;
Conference_Titel :
Circuits and Systems, 1992., Proceedings of the 35th Midwest Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-0510-8
DOI :
10.1109/MWSCAS.1992.271014
