ICA-based compensation for IQ imbalance in OFDM optical fiber communication

被引：2
|
作者：
Jiang, Shan [1 ]
Hu, Guijun [1 ]
Li, Zhaoxi [1 ]
Mu, Liping [1 ]
Zhang, Jingdong [1 ]
机构：
[1] Jilin Univ, Coll Commun Engn, Dept Opt Commun, Changchun 130012, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2014年 / 310卷
基金：
中国国家自然科学基金;
关键词：
Optical fiber communication; Orthogonal frequency division multiplexing; In-phase and quadrature-phase imbalance; Independent component analysis;
D O I：
10.1016/j.optcom.2013.07.039
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method based on the independent component analysis (ICA) is proposed to compensate the in-phase and quadrature-phase the (IQ) imbalance in orthogonal frequency division multiplexing (OFDM) optical fiber communication systems. The mathematical model of IQ imbalance system has been analyzed. Then, ICA algorithm is applied in the system to combat the mirror interference introduced by IQ imbalance. This algorithm can realize the joint compensation of both transmitter and receiver IQ imbalance with the optical channel that contains noise, attenuation and chromatic dispersion. The simulation shows that the performance degradation caused by IQ imbalance can be compensated by ICA algorithm effectively. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：80 / 84
页数：5
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