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基于前向纠错码的光通信系统研究 被引量:1

Optical Communication System Based on Forward Error Correction
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摘要 基于光通信系统中级联码的特性,分析比较现有的前向纠错码码型的纠错性能、冗余度和实现复杂度,提出一种适用于光通信系统的RS(255,239)+RS(252,226)级联码方案。仿真结果表明,该码型具有更好的纠错性能,在10-12误比特率下比RS(255,239)、RS(255,239)+BCH(127,120)分别多出1.9、1.1dB的编码增益。该方案更适用于超长距离、超大容量和超高速的光通信系统中,并且可以作为前向纠错码的一种候选码型。 Concatenated codes based optical communication system features concatenated codes,and the existing FEC code type of error correction performance,redundancy and implementation complexity are analyzed and compared,a suitable optical communication system RS(255,239) + RS(252,226) concatenated codes is present-ed.Simulation results show that the type of code has better error correction performance,bit error rate can be com-pared with RS(255,239),RS(255,239) + BCH(127,120) were more 1.9dB,1.1dB coding gain.Thus,it is more suitable for long distance,large capacity and high speed optical communication systems,and can be used as a forward error correction code candidate pattern.
作者 崔冠英 周梦
出处 《重庆科技学院学报(自然科学版)》 CAS 2010年第4期136-138,共3页 Journal of Chongqing University of Science and Technology:Natural Sciences Edition
基金 国家自然科学基金项目(10871017) 北京市自然科学基金项目(102026)
关键词 光通信系统 前向纠错码 级联码 RS码 编码增益 optical communication systems forward error correction concatenated code RS-code coding gain
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