Analysis of Forward Error Correction and Achievable Rates for Optical Fiber Systems

被引：0
|
作者：
Fehenberger, Tobias [1 ]
Hanik, Norbert [1 ]
机构：
[1] Tech Univ Munich, Inst Commun Engn, D-80333 Munich, Germany
来源：
2015 17TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS (ICTON) | 2015年
关键词：
Achievable rates; mutual information; forward error correction; optical communication systems;
D O I：
暂无
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：
We study lower bounds on mutual information that are achievable rates for optimal and sub-optimal hard-decision (HD) and soft-decision (SD) decoding. These rates represent the maximum amount of information we can convey over a memoryless channel with a fixed input if ideal forward error correction (FEC) is employed. We find that the gain of complex SD decoding over HD decoding can be very small, depending on the modulation format and the system parameters. We further study the gap of a practical FEC scheme to its asymptotic limit.
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页数：4
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