A Novel Unconstrained Criterion for Blind Equalization Based on the Property of Vector Norm

Da Lei Wang; Bin  Yang; Ying  Wu; Xiu Xiu  Wang

doi:10.4028/www.scientific.net/AMR.756-759.3177

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 756-759A Novel Unconstrained Criterion for Blind...

A Novel Unconstrained Criterion for Blind Equalization Based on the Property of Vector Norm

Abstract:

This paper proposes a novel unconstrained criterion of blind equalization, which is based on minimizing the difference between two norms of the joint channel-equalizer impulse response. There is no need to impose any constraint on the equalizer coefficients when adjusting. The algorithm is convergent in the sense that a perfect equalization solution is achieved at every local optimum of the function. And we propose a batch algorithm and online-recursive method for implementation. Finally, the reliability, validity and good performance of the proposed algorithm are verified by evaluation of residual ISI through computer simulations.

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Periodical:

Advanced Materials Research (Volumes 756-759)

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3177-3182

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https://doi.org/10.4028/www.scientific.net/AMR.756-759.3177

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September 2013

Authors:

Da Lei Wang, Bin Yang, Ying Wu, Xiu Xiu Wang

Keywords:

Blind Equalization, Local Convergence, Unconstrained Criterion, Vector Norm

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