Title :
Combined estimation scheme for blind source separation with arbitrary source PDFs
Author :
Zarzoso, V. ; Nandi, A.K. ; Herrmann, F. ; Millet-Roig, J.
Author_Institution :
Dept. of Electr. Eng. & Electron., Liverpool Univ., UK
fDate :
1/18/2001 12:00:00 AM
Abstract :
An alternative closed-form estimator for blind source separation based on fourth-order statistics is presented. In contrast to other estimators, the new estimator works well when the source kurtosis sum is zero. Arbitrary source PDFs are successfully treated through a combined estimation scheme based on a heuristic decision rule for choosing between the new estimator and an existing estimator
Keywords :
decorrelation; higher order statistics; signal detection; arbitrary source PDFs; blind source separation; closed-form estimator; combined estimation scheme; fourth-order statistics; heuristic decision rule; source kurtosis sum;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010048
