Title :
An efficient implementation of forward-backward LMS adaptive filters
Author_Institution :
Dept. of Electr. Eng., California State Univ., Long Beach, CA
fDate :
4/1/1997 12:00:00 AM
Abstract :
Without changing the characteristics of the forward-backward LMS (FBLMS) adaptive line enhancer, an efficient implementation of FBLMS adaptive filters is presented in this paper. This implementation technique reduces 25% of multiplications and 12.5% of additions in two successive time samples in comparison to that of the direct implementation of the FBLMS algorithm in both prediction and weight control sections
Keywords :
adaptive filters; digital arithmetic; least mean squares methods; prediction theory; addition reduction; efficient implementation; forward-backward LMS adaptive filters; forward-backward LMS adaptive line enhancer; multiplication reduction; prediction; radix-2 algorithm; successive time samples; weight control sections; Acoustic testing; Adaptive filters; Array signal processing; Circuit stability; Circuit testing; Control systems; Discrete time systems; Least squares approximation; Polynomials; System testing;
Journal_Title :
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
