Adaptive blind channel equalization based on constellation information of MPSK signal
Gu, Nong, Xiang, Yong, Tan, Min and Cao, Zhiqiang 2005, Adaptive blind channel equalization based on constellation information of MPSK signal, in 2005 IEEE International Conference on Industrial Technology IEEE ICIT 2005, Hong Kong : conference proceedings : 14-17 December 2005, City University of Hong Kong, IEEE Xplore, Piscataway, N.J., pp. 146-151.
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Title
Adaptive blind channel equalization based on constellation information of MPSK signal
2005 IEEE International Conference on Industrial Technology IEEE ICIT 2005, Hong Kong : conference proceedings : 14-17 December 2005, City University of Hong Kong
Editor(s)
J. C. Hung
Publication date
2005
Conference series
International Conference on Industrial Technology
Start page
146
End page
151
Publisher
IEEE Xplore
Place of publication
Piscataway, N.J.
Summary
In this paper, we propose a new adaptive algorithm for the blind equalization of an FIR (finite impulse response) channel excited by an M-ary phase shift keying (MPSK) signal. Different from the conventional constant modulus algorithm (CMA), which exploits the amplitude information of the input signal, the proposed algorithm exploits the full constellation information of the input signal. Theoretical analysis shows that the new algorithm has less mean square error (MSE), namely better equalization performance, in steady state than the CMA. Numerical simulations show the effectiveness of the new algorithm