A LMS-based equalization algorithm for 28Gbaud PM-MQAM optical coherent system

Dong Yan,Xian Zhou,Limin Xia,Xiaoyun Wu,Nana Zhang

Advanced Materials Research（2013）

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摘要

In this paper, we presented an improved equalization algorithm which use Least Mean Square algorithm (LMS) training-based as pre-convergence, after reaching the threshold, equalization switches to directed decision LMS to compensate a various of impairs and decrease bit error rate (BER) to achieve better performance in the steady-state, the experiment is based on a 28Gbaud-MQAM polarization multiplexing optical coherent system. © (2013) Trans Tech Publications, Switzerland.

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关键词

equalization,least mean square algorithm,optical coherent receiver,polarization de-multiplexing,radius directed equalization

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