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Local convergence of `globally convergent' blind adaptive equalization algorithms

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3 Author(s)
Zhi Ding ; Dept. of Electr. Eng., Auburn Univ., AL, USA ; Johnson, C.R. ; Kennedy, R.A.

It is shown, through the analysis of nullspace for the channel convolution matrix, that the behavior of a finitely parameterized Godard equalizer in general can never achieve or approximate the desirable global convergence performance of an infinitely parameterized noncausal Godard equalizer. Nullspace theory is supported by a simple example showing ill-convergence of the Godard algorithm

Published in:

Acoustics, Speech, and Signal Processing, 1991. ICASSP-91., 1991 International Conference on

Date of Conference:

14-17 Apr 1991