Acta Optica Sinica, Volume. 38, Issue 1, 0106004(2018)

A Joint Frequency Offset and Phase Estimation Scheme Based on Cascaded EKF and LKF

Bingjie Hou, Yanfu Yang*, Qian Xiang, Qun Zhang, and Yong Yao
Author Affiliations
  • Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, Guangdong 518055, China
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    References(15)

    [3] Wang P, Chen J, You X D et al. Flexible decision-aided maximum likelihood phase estimation for optical coherent QAM signals[J]. Acta Optica Sinica, 36, 0806007(2016).

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    [5] Nakagawa T, Ishihara K, Kobayashi T et al. Wide-range and fast-tracking frequency offset estimator for optical coherent receivers[C]. European Conference and Exhibition on Optical Communication, 11636831(2010).

    [9] Khalil M I. Adib M M H, Chowdhury A M, et al. Least radial distance based carrier phase recovery for 16-QAM coherent optical systems[C]. Optoelectronics & Communications Conference Held Jointly with 2013 International Conference on Photonics in Switching, 13768817(2013).

    [12] Cao G L, Yang Y F, Wang F et al. Extended Kalman based polarization and carrier phase quickly tracking for PDM-16QAM[J]. Acta Optica Sinica, 34, 1206005(2014).

    [13] Proakis J G, Salehi M. Digital Communications[M]. 5th ed. Columbus: McGraw-Hill Science/Engineering/Math(2008).

    [15] Jain A, Landais P, Krishnamurthy P K et al. Tu3A:[C]. frequency offset in 400G PM-16-QAM systems. 13th International Conference on Fiber Optics, Photonics, Tu3A, 3(2016).

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    Bingjie Hou, Yanfu Yang, Qian Xiang, Qun Zhang, Yong Yao. A Joint Frequency Offset and Phase Estimation Scheme Based on Cascaded EKF and LKF[J]. Acta Optica Sinica, 2018, 38(1): 0106004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jul. 27, 2017

    Accepted: --

    Published Online: Aug. 31, 2018

    The Author Email: Yang Yanfu (yangyanfu@hotmail.com)

    DOI:10.3788/AOS201838.0106004

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