Joint compensation scheme of polarization crosstalk, intersymbol interference, frequency offset, and phase noise based on cascaded Kalman filter

Qun Zhang; Yanfu Yang; Qian Xiang; Zhongqing Zhou; Yong Yao

doi:10.1117/1.OE.57.2.026103

8 February 2018 Joint compensation scheme of polarization crosstalk, intersymbol interference, frequency offset, and phase noise based on cascaded Kalman filter

Qun Zhang, Yanfu Yang, Qian Xiang, Zhongqing Zhou, Yong Yao

Author Affiliations +

Optical Engineering, Vol. 57, Issue 2, 026103 (February 2018). https://doi.org/10.1117/1.OE.57.2.026103

Abstract

A joint compensation scheme based on cascaded Kalman filter is proposed, which can implement polarization tracking, channel equalization, frequency offset, and phase noise compensation simultaneously. The experimental results show that the proposed algorithm can not only compensate multiple channel impairments simultaneously but also improve the polarization tracking capacity and accelerate the convergence speed. The scheme has up to eight times faster convergence speed compared with radius-directed equalizer (RDE) + Max-FFT (maximum fast Fourier transform) + BPS (blind phase search) and can track up polarization rotation 60 times and 15 times faster than that of RDE + Max-FFT + BPS and CMMA (cascaded multimodulus algorithm) + Max-FFT + BPS, respectively.

Citation Download Citation

Qun Zhang, Yanfu Yang, Qian Xiang, Zhongqing Zhou, and Yong Yao "Joint compensation scheme of polarization crosstalk, intersymbol interference, frequency offset, and phase noise based on cascaded Kalman filter," Optical Engineering 57(2), 026103 (8 February 2018). https://doi.org/10.1117/1.OE.57.2.026103

Received: 13 October 2017; Accepted: 15 January 2018; Published: 8 February 2018

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