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PDM-CO-OFDM系统中的一种联合同步和信道估计方法

Method of joint timing synchronization and channel estimation in PDM-CO-OFDM system
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摘要 为了提高基于偏振复用的相干光正交频分复用(PDM-CO-OFDM)系统的定时同步和信道估计性能,提出了一种花费较少训练序列开销的联合定时同步和信道估计方法,并结合DFT-Spr ead技术,仿真实现了该方法在正交相移键控调制的59.1Gb/s PDM-CO-OFDM系统中的运用。 To improve the performance of timing synchronization and channel estimation in coherent opticalPDM-OFDM systems, this paper proposes a method of joint timing synchronization and channel estimationmethod by using less training overhead, and combines with the DFT-Spread technology, realizes the proposedmethod uesd in a 59.1Gb/s polarization-division multiplexing （PDM） coherent transmission system withquadrature phase-shift keying（QPSK） by simulation.
作者 周志华 何晶 刘柳 陈林 ZHOU Zhi-hua HE Jing LIU Liu CHEN Lin(College of Information Science and Engineering, Hunan University, Changsha 410082, China)
机构地区 湖南大学信息科学与工程学院
出处 《光通信技术》 北大核心 2016年第10期53-56,共4页 Optical Communication Technology
基金 国家自然科学基金(批准号:61377079 60977049)资助
关键词 C0-0FDM PDM 定时同步 信道估计 正交训练序列 CO-OFDM, PDM, timing synchronization, channel estimation, orthogonal training sequences
分类号 TN915.62 [电子电信—通信与信息系统]
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参考文献13

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光通信技术
2016年 第10期

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