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Proceedings Paper

A training-aided MIMO equalization based on matrix transformation in the space division multiplexed fiber-optic transmission system
Author(s): Xiaoning Guan; Bo Liu; Lijia Zhang; Xiangjun Xin; Qinghua Tian; Qi Zhang; Feng Tian; Dengao Li; Jumin Zhao; Renfan Wang
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Paper Abstract

A novel training sequence is designed for the space division multiplexed fiber-optic transmission system in this paper. The training block is consisting of segmented sequence, which can be used to compensate time offset and distortion (such as dispersion) in the transmission link. The channel function can be obtained by one tap equalization in the receiver side. This paper designs the training sequence by adjusting the length of the training signals and implementing matrix transformation, to obtain the coefficient of equalizer for channel detect and equalization. This new training sequence reduces system complexity and improves transmission efficiency at the same time. Compared with blind equalization, the matrix transformation based training sequence can reduce system complexity, and perform targeted equalization to the mechanism of mode coupling in the space division optical fiber system. As a result, it can effectively improve signal transmission quality and reduce bit error rate.

Paper Details

Date Published: 25 October 2016
PDF: 13 pages
Proc. SPIE 10158, Optical Communication, Optical Fiber Sensors, and Optical Memories for Big Data Storage, 101580O (25 October 2016); doi: 10.1117/12.2246754
Show Author Affiliations
Xiaoning Guan, Beijing Univ. of Posts and Telecommunications (China)
Bo Liu, Beijing Univ. of Posts and Telecommunications (China)
Lijia Zhang, Beijing Univ. of Posts and Telecommunications (China)
Xiangjun Xin, Beijing Univ. of Posts and Telecommunications (China)
Qinghua Tian, Beijing Univ. of Posts and Telecommunications (China)
Qi Zhang, Beijing Univ. of Posts and Telecommunications (China)
Feng Tian, Beijing Univ. of Posts and Telecommunications (China)
Dengao Li, Taiyuan Univ. of Technology (China)
Wuhan Telecommunication Devices Co., Ltd. (China)
Jumin Zhao, Taiyuan Univ. of Technology (China)
Wuhan Telecommunication Devices Co., Ltd. (China)
Renfan Wang, Taiyuan Univ. of Technology (China)
Wuhan Telecommunication Devices Co., Ltd (China)


Published in SPIE Proceedings Vol. 10158:
Optical Communication, Optical Fiber Sensors, and Optical Memories for Big Data Storage

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