Multimodulus blind equalization algorithm based compensation for I/Q imbalance in OFDM optical fiber communication

被引：0
|
作者：
Li Zhaoxi [1 ]
Hu Guijun [1 ]
Jiang Shan [1 ]
Li Jinghe [1 ]
Wang Yanping [1 ]
机构：
[1] Jilin Univ, Dept Opt Commun, Coll Commun Engn, Changchun 130012, Peoples R China
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2015年 / 47卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Optical fiber communication; Orthogonal frequency division multiplexing; In-phase/quadrature-phase mismatch; Multimodulus blind equalization algorithm; IQ MISMATCH COMPENSATION; TRANSMITTER; RECEIVER; SYSTEMS;
D O I：
10.1007/s11082-014-0098-6
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：
The performance enhancement using multimodulus blind equalization algorithm for compensating in-phase/ quadrature-phase (I/Q) mismatch in orthogonal frequency division multiplexing optical communication system is investigated. The mathematical theory of I/Q imbalance is analyzed. Then, a compensation scheme with two-tap equalizer is implemented, with this scheme, the joint compensation of transmitter and receiver with optical channel that contains noise attenuation and chromatic dispersion is realized. Simulation shows that the performance degradation caused by I/Q imbalance can be compensated by the scheme with multimodulus blind equalization algorithm effectively regardless of the modulation order and channel distortion.
引用
收藏
页码：2221 / 2229
页数：9
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