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Blind adaptive channel identification/equalization in chaotic communications by using nonlinear prediction technique

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2 Author(s)
Bao-Yun Wang ; Dept. of Information Eng., Nanjing Univ. of Posts & Telecommun., China ; Wei Xing Zheng

In this paper, an adaptive blind equalization algorithm is proposed to recover the chaos-modulated signal, which is transmitted through an FIR channel instead of the ideal channel assumed by the chaotic synchronization based approach. The short-term predictability of a chaotic signal is exploited to formulate the criterion and derive the proposed algorithm. Compared with the EKF-based approach, the proposed algorithm achieves a great complexity gain and retains the good estimation accuracy. In addition, our algorithm is applicable to ARMA systems.

Published in:

Signal Processing, 2004. Proceedings. ICSP '04. 2004 7th International Conference on  (Volume:1 )

Date of Conference:

31 Aug.-4 Sept. 2004