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DDO-FOFDM传输系统中符号同步算法研究

Research on the synchronization algorithm of direct detection optical FOFDM
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摘要 通过与传统的直接检测光正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)通信传输技术进行对比,从数学公式加以推导,仿真发现直接检测光快速正交频分复用(Direct Detection Optical Fast OFDM,DDO-FOFDM)传输系统对同步的精度要求更高。基于此,提出了一种新型的精确符号同步算法,仿真结果表明使用该算法进行同步,系统性能得到了很大提高。 Comparision with conventional optical OFDM system, optical FOFDM system demands precise symbol synchronization, and it is proved by mathmethical model and simulation. Therefore a new synchronization algorithm is demonstrated in the paper, and the system performance is improved well.
作者 高光 白利文 李秋平 陈林
机构地区 湖南大学微纳光电子器件及应用教育部重点实验室 中国电子科技集团公司第三十四研究所
出处 《光通信技术》 北大核心 2015年第8期37-39,共3页 Optical Communication Technology
基金 国家自然基金(61307087)资助
关键词 定时偏差 同步 FOFDM系统 DCT调制 timing errors, synchronization, FOFDM system, training sequence, DCT modulation
分类号 TN929.9 [电子电信—通信与信息系统]
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  • 2ZHAO J, ELLIS A D. A novel optical fast OFDM with reduced channel spacing equal to half of the symbol rate per carfier.Proc [C]. Opt. Fiber Commun. Conf. San Diego: March 21-25,2010.
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光通信技术
2015年 第8期

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