Particle swarm optimization used as a control algorithm for adaptive PMD compensation

被引：44

作者：

Zhang, XG ^{[1
]}

Zheng, Y

Shen, Y

Zhang, JZ

Yang, BJ

机构：

[1] Beijing Univ Posts & Telecommun, Sch Sci, Dept Phys, Beijing 100876, Peoples R China

[2] Minist Educ, Key Lab Opt Commun & Lightwave Technol, Beijing 100876, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 01期

关键词：

adaptive compensation; control algorithm; particle swarm optimization (PSO); polarization-mode dispersion (PMD);

D O I：

10.1109/LPT.2004.838150

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We introduce particle swarm optimization (PSO) into adaptive polarization-mode dispersion (PMD) compensation in a 40-Gb/s optical time-division-multiplexing communication system. In the searching process for automatic PMD compensation, the PSO algorithm has the merits of rapid convergence to the global optimum, without being trapped in local suboptima, and good robustness to noise. In this letter, we describe how to implement PSO as a component of a control algorithm in adaptive PMD compensation. Performance comparisons between global and local versions of PSO were carried out theoretically and experimentally. We also demonstrate that a time-varying PMD can be successfully tracked using the PSO technique.

引用

页码：85 / 87

页数：3

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