The application and performance analysis of forward error correction coding used  in high speed optical communication system

GUAN Xi-ying~1; ZHANG You-chun~1; LUO Hong~2; GENG Jian~2

doi:10.13756/j.gtxyj.2005.06.006

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The application and performance analysis of forward error correction coding used in high speed optical communication system

- The application and performance analysis of forward error correction coding used in high speed optical communication system
- Study on Optical communication Issue 6, Pages: 18-20(2005)
- 作者机构：
  
  1. 中国地质大学信息工程学院
  2. 烽火通信科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2005.06.006
  CLC： TN929.11
- Published：2005，
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[1]关熙滢,张友纯,罗宏,耿健.FEC编码在高速光通信系统中的应用与性能分析[J].光通信研究,2005(06):18-20+43.

GUAN Xi-ying~1, ZHANG You-chun~1, LUO Hong~2, et al. The application and performance analysis of forward error correction coding used in high speed optical communication system. [J]. (6):18-20(2005)
[1]关熙滢,张友纯,罗宏,耿健.FEC编码在高速光通信系统中的应用与性能分析[J].光通信研究,2005(06):18-20+43. DOI： 10.13756/j.gtxyj.2005.06.006.

GUAN Xi-ying~1, ZHANG You-chun~1, LUO Hong~2, et al. The application and performance analysis of forward error correction coding used in high speed optical communication system. [J]. (6):18-20(2005) DOI： 10.13756/j.gtxyj.2005.06.006.

摘要

高速光纤通信系统的研究是当前光通信领域的一大热点

信道编码技术是其中的一项关键技术。文章首先介绍了前向纠错（FEC）编码技术及其在光通信系统中的应用

然后描述了ITU-T G.709中定义的FEC帧的具体格式

数学推导了FEC编码给带来的误码率改善

并列出了具体的计算结果。最后通过实测两款具有FEC数字包封功能的芯片

给出了其在系统传输中的误码率与光信噪比的关系曲线

验证了前向纠错功能。

Abstract

The research of high speed transmission system is a hot topic in the optical communication field and one of the key technologies is channel coding.The technology and the application of forward error correction（FEC） were introduced firstly

then the FEC frame defined in ITU-T G.709

and calculates the BER gain from FEC were described in this paper.Finally

the data which obtained form two FEC digital-wrapping chipsets test shows the relationship between BER and OSNR

and verifies the coding-gain from the FEC technology.

关键词

信道编码技术前向纠错编码增益误码率光信噪比

Keywords

channel coding technologyforward error correction（FEC）coding-gainbit error ratio（BER）optical signal to noise ratio（OSNR）

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