Performance Investigation of Extended Kalman Filter Combined with Carrier Phase Recovery for Adaptive Nonlinear Phase Noise Mitigation

Tong Shu; Yan Li; Miao Yu; Jifang Qiu; Hongxiang Guo; Xiaobin Hong; Jian Wu

2017 Conference on Lasers and Electro-Optics Pacific Rim
(Optica Publishing Group, 2017),
paper s1894

Performance Investigation of Extended Kalman Filter Combined with Carrier Phase Recovery for Adaptive Nonlinear Phase Noise Mitigation

Tong Shu, Yan Li, Miao Yu, Jifang Qiu, Hongxiang Guo, Xiaobin Hong, and Jian Wu

Conference on Lasers and Electro-Optics/Pacific Rim 2017

Singapore Singapore
31 July–4 August 2017
ISBN: 978-1-5090-6290-4

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Nonlinearity Mitigation Techniques (NMT)

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T. Shu, Y. Li, M. Yu, J. Qiu, H. Guo, X. Hong, and J. Wu, "Performance Investigation of Extended Kalman Filter Combined with Carrier Phase Recovery for Adaptive Nonlinear Phase Noise Mitigation," in 2017 Conference on Lasers and Electro-Optics Pacific Rim, (Optica Publishing Group, 2017), paper s1894.

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Abstract

Performance of Extended Kalman Filter combined with the Viterbi-Viterbi phase estimator (VVPE-EKF) for adaptive nonlinear phase noise mitigation is studied. The VVPE-EKF achieves 1.4 dB, 1.6 dB and 2.3 dB nonlinear system tolerance promotion at BER=1e-3 for linewidth of 100 kHz, 1 MHz and 2 MHz compared to the least mean square combined with VVPE (VVPE-LMS). VVPE-EKF become convergent much faster than VVPE-LMS.

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