Title :
A survey of QR based fast least squares adaptive filters: from principles to realization
Author :
Bellanger, Maurice
Author_Institution :
TRT-Philips, Plessis Robinson, France
Abstract :
A generic representation of fast least squares algorithms based on the QR decomposition technique is given, pointing out the equivalence with the normalized lattice. The numerical stability observed in simulations is justified, and the implementation in adaptive filters is discussed, with emphasis on the computational complexity issue
Keywords :
adaptive filters; computational complexity; digital filters; least squares approximations; LMS algorithm; QR decomposition; computational complexity; fast least squares adaptive filters; fast least squares algorithms; normalized lattice; numerical stability; simulations; Adaptive filters; Arithmetic; Dynamic range; Filtering algorithms; Lattices; Least squares approximation; Least squares methods; Numerical stability; Robustness; Roundoff errors;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1991. ICASSP-91., 1991 International Conference on
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-0003-3
DOI :
10.1109/ICASSP.1991.150706
