MIMO signal progressing with RLSCMA algorithm for multi-mode multi-core optical transmission system

Yuan Bi, Bo Liu, Li Jia Zhang, Xiang Jun Xin, Qi Zhang, Yong Jun Wang, Qing Hua Tian, Feng Tian, Ya Ya Mao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

In the process of transmitting signals of multi-mode multi-core fiber, there will be mode coupling between modes. The mode dispersion will also occur because each mode has different transmission speed in the link. Mode coupling and mode dispersion will cause damage to the useful signal in the transmission link, so the receiver needs to deal received signal with digital signal processing, and compensate the damage in the link. We first analyzes the influence of mode coupling and mode dispersion in the process of transmitting signals of multi-mode multi-core fiber, then presents the relationship between the coupling coefficient and dispersion coefficient. Then we carry out adaptive signal processing with MIMO equalizers based on recursive least squares constant modulus algorithm (RLSCMA). The MIMO equalization algorithm offers adaptive equalization taps according to the degree of crosstalk in cores or modes, which eliminates the interference among different modes and cores in space division multiplexing(SDM) transmission system. The simulation results show that the distorted signals are restored efficiently with fast convergence speed.

Original languageEnglish
Title of host publication2017 International Conference on Optical Instruments and Technology
Subtitle of host publicationOptoelectronic Devices and Optical Signal Processing
EditorsFabien Bretenaker, Jian Chen, Yi Dong
PublisherSPIE
ISBN (Electronic)9781510617452
DOIs
Publication statusPublished - 2018
Externally publishedYes
Event2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing - Beijing, China
Duration: 28 Oct 201730 Oct 2017

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10617
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing
Country/TerritoryChina
CityBeijing
Period28/10/1730/10/17

Keywords

  • MIMO equalization
  • RLSCMA
  • mode coupling
  • multi-mode multi-core

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