An adaptive fuzzy-logic variable forgetting factor RLS algorithm
Chia‐Chang Hu, Hsuan‐Yu Lin, Jyh‐Horng Wen · 2006
We propose a fuzzy forgetting factor recursive leastsquares (RLS) algorithm, in which a time-varying forgetting factor is chosen by a fuzzy inference system (FIS), to achieve a faster convergence rate and a lower steady-state meansquared error (MSE). Simulations of a DS-CDMA interference suppression receiver demonstrate the bit-error-rate (BER) and convergence/tracking superiority of the proposed RLS algorithm with various RLS algorithms and receiving antenna sizes.