Title :
Comments on “A Blind Signal Separation Method for Multiuser Communications”
Author :
Gu, Nong ; Xiang, Yong ; Rouillier, Fabrice ; Cao, Zhiqiang
Author_Institution :
Sch. of Eng. & Inf. Tech, Deakin Univ., Geelong, Vic.
fDate :
5/1/2007 12:00:00 AM
Abstract :
This correspondence first shows that the global convergence analysis of the method proposed in the above paper is incomplete. Then we provide a counter example to show that the sufficient condition for global convergence is incorrect
Keywords :
blind source separation; matrix algebra; telecommunication; blind signal separation method; multiuser communications; Blind source separation; Convergence; Cost function; Counting circuits; Eigenvalues and eigenfunctions; Information technology; Source separation; Sufficient conditions; Symmetric matrices; Working environment noise;
Journal_Title :
Signal Processing, IEEE Transactions on
DOI :
10.1109/TSP.2007.892716