FEC for High Speed Optical Transmission

被引：1

作者：

Xie, Changsong ^{[1
]}

Zhao, Yu ^{[1
]}

Xiao, Zhiyu ^{[2
]}

Chang, Deyuan ^{[2
]}

Yu, Fan ^{[2
]}

机构：

[1] Huawei Technol Duesseldorf GmbH, European Res Ctr, Riesstr 25, D-80992 Munich, Germany

[2] Huawei Technol Co Ltd, Network Res, Shenzhen, Peoples R China

来源：

2011 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE AND EXHIBITION (ACP) | 2012年

关键词：

D O I：

10.1117/12.903872

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper will at first explain the requirement of high speed optical transport network on forward error correction (FEC) codes in terms of code length, code rate, coding gain, burst error correction capability, error floor, latency, coding/decoding complexity. Then, a few code schemes used in current optical transport systems such as Reed-Solomon codes recommended by ITU-T G.709 and enhanced FECs listed in ITU-T, G.975.1 are introduced. Advanced codes recently developed by vendors used for 100Gbps systems and their performances are summarized. Features and special requirements on soft decoding FEC (SDFEC) especially inter-working between SDFEC and equalizer, with and without deferential coding etc. are analyzed. Some perspectives of future FEC for optical transport are also given.

引用

页数：4

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