Title :
Nonlinear echo cancellation using an expanded correlation LMS algorithm
Author :
Ahn, K.Y. ; Kim, D.H. ; Nam, S.W.
Author_Institution :
Dept. of Electr. & Comput. Eng., Hanyang Univ., Seoul, South Korea
Abstract :
Nonlinear echo cancellation in a hybrid telephone network is considered, whereby adaptive Volterra filtering is utilized along with an expanded correlation LMS (ECLMS) algorithm to compensate for nonlinear distortion in the echo path. Also, some simulation results are provided to demonstrate the validity of the proposed approach even in a double-talk situation.
Keywords :
Volterra series; adaptive filters; correlation methods; echo suppression; filtering theory; least mean squares methods; nonlinear distortion; telephone networks; Volterra series modelling; adaptive Volterra filtering; double-talk situation; expanded correlation LMS algorithm; hybrid telephone network; nonlinear distortion; nonlinear echo cancellation; Adaptive filters; Degradation; Echo cancellers; Filtering algorithms; Kernel; Least squares approximation; Nonlinear distortion; Nonlinear filters; Nonlinear systems; Telephony;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1465351
