Performance analysis of LDPC code in fiber optic communication systems

Xu Bo1; Ding Hong2

doi:10.13756/j.gtxyj.2007.05.003

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Performance analysis of LDPC code in fiber optic communication systems

- Performance analysis of LDPC code in fiber optic communication systems
- Study on Optical communication Issue 5, Pages: 1-3(2007)
- 作者机构：
  
  1. 电子科技大学通信与信息工程学院宽带光纤传输与通信网技术教育部重点实验室
  2. 北京大学电子科学系
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2007.05.003
  CLC： TN929.11
- Published：2007，
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[1]许渤,丁宏.一种LDPC码在光纤通信系统中的性能分析[J].光通信研究,2007(05):1-3.

Xu Bo1, Ding Hong2. Performance analysis of LDPC code in fiber optic communication systems. [J]. (5):1-3(2007)
[1]许渤,丁宏.一种LDPC码在光纤通信系统中的性能分析[J].光通信研究,2007(05):1-3. DOI： 10.13756/j.gtxyj.2007.05.003.

Xu Bo1, Ding Hong2. Performance analysis of LDPC code in fiber optic communication systems. [J]. (5):1-3(2007) DOI： 10.13756/j.gtxyj.2007.05.003.

摘要

针对超强前向纠错（FEC）技术在光纤通信系统中的应用

文章提出了一种构造简单、编码容易实现的低密度奇偶校验（LDPC）码的构造方法

并仿真验证了该LDPC码在光纤信道环境下的译码性能。与常用的RS（255

239）码相比

在相同的码效率下

所构造的码长为4 080的LDPC码能够获得比RS码高2 dB的编码增益。

Abstract

This paper proposes a Low-Density Parity-Check（LDPC） code

which is simple in structure and easy in encoding

as a Super Forward Error Correction（FEC） code for fiber-optic communication systems.Its decoding performance in fiber paths is simulated and verified.Compared with the commonly used RS（255

239） FEC code

the proposed LDPC code with the same code efficiency can achieve about 2 dB coding gain at a code length of 4 080 higher than RS code.

关键词

光纤通信前向纠错译码低密度奇偶校验码迭代译码

Keywords

fiber-optic communicationFEC codeLDPC codeiterative decoding

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School of Electronics & Information Engineering, Nanjing University of Information Science and Technology

School of Communication and Information Engineering,Xi’an University of Posts and Telecommunications

School of Information and Communication, Guilin University of Electronic Technology

School of Optical and Electronic Information,Huazhong University of Science and Technology

National Engineering Laboratory for Next Generation Internet Access System,Huazhong University of Science and Technology

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