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OFDM在长距离光传输系统色散补偿中的应用
引用本文:郝耀鸿,李玉权,王荣.OFDM在长距离光传输系统色散补偿中的应用[J].电路与系统学报,2010,15(5).
作者姓名:郝耀鸿  李玉权  王荣
作者单位:解放军理工大学,通信工程学院,江苏,南京,210007
摘    要:为了降低光纤长距离传输中电域色散补偿(EDC,Electronic Dispersion Compensation)的实现复杂度,采用正交频分复用技术(OFDM,Orthogonal Frequency Division Multiplexing)与光单边带调制(OSSB,Optical Single Sideband),可有效实现光纤的色散补偿。文章介绍了基于光直接检测(DD,Direct-Detection)的OFDM系统,重点对系统色散补偿的实现进行了具体的数学分析,并进行了数字仿真,就系统误码率(BER)与传统光传输系统(NRZ,Non-Return-to-Zero)进行了比较。结果表明,较传统光传输中电域色散补偿,基于光直接检测的OFDM系统色散补偿实现简单,系统复杂度降低,同时也提高了系统性能。

关 键 词:正交频分复用  直接检测  光单边带调制  色散补偿  光传输

The application of OFDM for dispersion compensation in long-haul optical systems
HAO Yao-hong,LI Yu-quan,WANG Rong.The application of OFDM for dispersion compensation in long-haul optical systems[J].Journal of Circuits and Systems,2010,15(5).
Authors:HAO Yao-hong  LI Yu-quan  WANG Rong
Affiliation:HAO Yao-hong,LI Yu-quan,WANG Rong ( Institute of Communications Engineering,PLA Univ. of Sci. & Tech.,Nanjing 210007,China )
Abstract:In order to lower the complexity of EDC (Electronic Dispersion Compensation) for chromatic dispersion in long-haul optical transmission, the combination of Orthogonal Frequency Division Multiplexing (OFDM) and Optical Single Sideband Modulation (OSSB) can be used to adaptively compensate for chromatic dispersion in long-haul Standard Single-Mode Fiber (S-SMF) links. The paper introduces the optical OFDM systems based on direct-detection and analyses the theory of chromatic compensation. Additionally, simula...
Keywords:Orthogonal frequency division multiplexing (OFDM)  Direct detection (DD)  Optical single side band  Dispersion Compensation  optical transmission  
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