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http://hdl.handle.net/10397/107237
Title: | Chromatic dispersion monitoring by extended Kalman filter for coherent optical OFDM systems | Authors: | Du, X Li, Y Gurusamy, M Yu, C Kam, PY |
Issue Date: | 2017 | Source: | In Proceedings of 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 31 July 2017 - 04 August 2017, Singapore | Abstract: | This paper proposes to monitor the total accumulated chromatic dispersion (CD) by using extended Kalman filter (EKF) for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) systems. Accurate estimation performance can be achieved by only one OFDM training symbol. Simulations results show that the proposed EKF method can quickly converge to the exact dispersion value within 40 subcarriers. Besides, the influence of inter-carrier interference (ICI) induced by the carrier frequency offset (CFO) and laser phase noise (LPN) on the CD monitoring performance is also investigated. Even with the appearance of 3 GHz CFO and 200 kHz combined laser linewidth (CLW) and without compensation, the mean square error (MSE) and bit error rate (BER) of the proposed method vary little, which illustrate its good tolerance to the ICI. | Keywords: | Chromatic dispersion (CD) Coherent optical orthogonal frequency-division multiplexing (CO-OFDM) Extended Kalman filter (EKF) |
Publisher: | Institute of Electrical and Electronics Engineers | ISBN: | 978-1-5090-6290-4 (Electronic) 978-1-5090-6291-1 (Print on Demand(PoD)) |
DOI: | 10.1109/CLEOPR.2017.8118769 | Description: | 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 31 July 2017 - 04 August 2017, Singapore | Rights: | ©2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication X. Du, Y. Li, M. Gurusamy, C. Yu and P. -Y. Kam, "Chromatic dispersion monitoring by extended Kalman filter for coherent optical OFDM systems," 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), Singapore, 2017 is available at https://doi.org/10.1109/CLEOPR.2017.8118769. |
Appears in Collections: | Conference Paper |
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