基于比特交织极化编码的MDM系统性能研究

胡伟国; 宋义梅; 张建勇; 樊峰菊; 密术超

doi:10.13756/j.gtxyj.2022.04.003

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基于比特交织极化编码的MDM系统性能研究

光通信系统与网络技术 | 更新时间：2022-08-01

- 基于比特交织极化编码的MDM系统性能研究
- Performance Research of MDM System based on Bit Interleaved Polar Coded Modulation
- 光通信研究 2022年第4期页码：12-16,46
- 作者机构：
  
  北京交通大学　电子信息工程学院　光波技术研究所，北京　100044
- 作者简介：
  
  胡伟国（1995-），男，安徽安庆人。硕士，主要研究方向为极化码和光通信。
  张建勇，副教授。E-mail：jyzhang@bjtu.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(61671047)
- DOI：10.13756/j.gtxyj.2022.04.003
  中图分类号： TN929.11
- 纸质出版日期：2022-08-10，
  
  收稿日期：2021-11-27，
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胡伟国, 宋义梅, 张建勇, 等. 基于比特交织极化编码的MDM系统性能研究[J]. 光通信研究, 2022,(4):12-16,46.

HU Wei-guo, SONG Yi-mei, ZHANG Jian-yong, et al. Performance Research of MDM System based on Bit Interleaved Polar Coded Modulation[J]. Study on Optical Communications, 2022,(4):12-16,46.
胡伟国, 宋义梅, 张建勇, 等. 基于比特交织极化编码的MDM系统性能研究[J]. 光通信研究, 2022,(4):12-16,46. DOI： 10.13756/j.gtxyj.2022.04.003.

HU Wei-guo, SONG Yi-mei, ZHANG Jian-yong, et al. Performance Research of MDM System based on Bit Interleaved Polar Coded Modulation[J]. Study on Optical Communications, 2022,(4):12-16,46. DOI： 10.13756/j.gtxyj.2022.04.003.

摘要

针对极化码在光通信系统中的应用研究，文章将极化编码调制和光纤模分复用（MDM）系统相结合，搭建了基于比特交织极化编码调制的MDM系统，并进行了最大似然（ML）检测算法性能的研究。仿真结果表明，极化码的加入大大提升了系统性能，与非编码的MDM系统相比，采用比特交织极化编码调制的MDM系统在同等模式相关损耗（MDL）值下，系统性能提高了约8 dB。文章还展示了ML和最小均方误差（MMSE）检测算法在MDM系统中的性能以及不同模式损耗对系统性能的影响，其中，ML检测算法相较于MMSE检测算法，在误码性能上提升了约3 dB。

Abstract

Aiming at the application research of polar code in optical communication system

this paper proposes the combination of polar coding modulation and optical fiber Module Division Multiplexing (MDM) system. We construct an MDM system based on bit interleaved polar coding modulation

and study the performance of Maximum Likelihood (ML) detection algorithm. The simulation results show that the addition of polar code greatly improves the system performance. Compared with the MDM system without coding

the MDM system with bit interleaved polar coding modulation improves the system performance by about 8 dB under the same Mode Dependent Loss (MDL) . The paper also shows the performance of ML detection algorithm and Minimum Mean Square Error (MMSE) detection algorithm in MDM system. The impact of different mode loss on system performance is also studied. Compared with MMSE detection algorithm

ML detection algorithm improves the bit error performance by about 3 dB.

关键词

极化编码模分复用模式损耗最大似然检测算法

Keywords

polar codingMDMmode lossML detection algorithm

references

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