Acta Optica Sinica, Volume. 43, Issue 4, 0406001(2023)

Carrier Frequency Offset Estimation Algorithm of Faster-than-Nyquist Coherent Optical Transmission Systems

Tao Yang*, Jing Zhao, Yingkai Qin, and Jialin You
Author Affiliations
  • State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
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    References(11)

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    [4] Zhou X. Research on DSP algorithms of 100 Gbps PM-(D)QPSK optical coherent transmission system[D], 24-28(2011).

    [5] Selmi M, Jaouen Y, Ciblat P. Accurate digital frequency offset estimator for coherent PolMux QAM transmission systems[C](2009).

    [6] Leng H J, Yu S, Li X et al. Frequency offset estimation for optical coherent M-QAM detection using chirp z-transform[J]. IEEE Photonics Technology Letters, 24, 787-789(2012).

    [7] Xiao J X, Feng J, Han J L et al. Low complexity FFT-based frequency offset estimation for M-QAM coherent optical systems[J]. IEEE Photonics Technology Letters, 27, 1371-1374(2015).

    [8] Cheng P, Liu A J, Wang K et al. Gradient descent algorithm for frequency offset estimation of faster-than-Nyquist signal[J]. Journal of Signal Processing, 33, 1199-1207(2017).

    [9] Cheng P, Liu A J, Wang K et al. Carrier frequency-offset estimation for fast-than-Nyquist signal based on pilot-aided method[J]. Communications Technology, 50, 1115-1121(2017).

    [10] Zhu C, Song R F. Method of frequency-offset estimation for faster-than-Nyquist signaling with QPSK modulation in satellite communication[J]. Video Engineering, 42, 29-33(2018).

    [11] Xiao J X. Research on frequency offset estimation DSP algorithms in optical coherent communication[D], 25-31(2016).

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    Tao Yang, Jing Zhao, Yingkai Qin, Jialin You. Carrier Frequency Offset Estimation Algorithm of Faster-than-Nyquist Coherent Optical Transmission Systems[J]. Acta Optica Sinica, 2023, 43(4): 0406001

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Aug. 16, 2022

    Accepted: Sep. 13, 2022

    Published Online: Feb. 16, 2023

    The Author Email: Yang Tao (yangtao@bupt.dedu.cn)

    DOI:10.3788/AOS221617

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