Title :
Chaotic signal separation from a linear mixture
Author :
Wang, Bao-Yun ; Zheng, Wei Xing
Author_Institution :
Dept. of Inf. Eng., Nanjing Univ. of Posts & Telecommun., China
Abstract :
The problem of blind separation of chaotic signals from an instantaneous linear mixture is considered. This problem is formulated as the extraction of each chaotic source. A new algorithm is provided to complete the separation task. A noisy chaotic signal is extracted by solving an optimisation problem. Then, a noise reduction technique is exploited to refine the extracted signal. The numerical simulation results demonstrate that the proposed approach can efficiently separate chaotic signals from a linear mixture.
Keywords :
blind source separation; chaotic communication; interference suppression; random noise; signal denoising; blind signal separation; chaotic communication; chaotic signal separation; linear mixture; multiuser communication system; noise reduction; noisy chaotic signal extraction; optimisation problem; Blind source separation; Chaos; Chaotic communication; Noise measurement; Noise reduction; Nonlinear dynamical systems; Numerical simulation; Sensor phenomena and characterization; Source separation; Statistics;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1465931