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Optical Engineering • new

Joint compensation scheme of polarization crosstalk, intersymbol interference, frequency offset, and phase noise based on cascaded Kalman filter
Author(s): Qun Zhang; Yanfu Yang; Qian Xiang; Zhongqing Zhou; Yong Yao
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Paper 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.

Paper Details

Date Published: 8 February 2018
PDF: 7 pages
Opt. Eng. 57(2) 026103 doi: 10.1117/1.OE.57.2.026103
Published in: Optical Engineering Volume 57, Issue 2
Show Author Affiliations
Qun Zhang, Harbin Institute of Technology Shenzhen Graduate School (China)
Yanfu Yang, Harbin Institute of Technology Shenzhen Graduate School (China)
Qian Xiang, Harbin Institute of Technology Shenzhen Graduate School (China)
Zhongqing Zhou, Harbin Institute of Technology Shenzhen Graduate School (China)
Yong Yao, Harbin Institute of Technology Shenzhen Graduate School (China)


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