Chinese Optics Letters, 2014, 12 (10): 100606, Published Online: Sep. 30, 2014  

Joint estimation of frequency offset and chromatic dispersion based on the training sequences in M-ary QAM coherent optical transmission system Download: 533次

Author Affiliations
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
Abstract
A data-aided method of joint frequency offset and chromatic dispersion estimation based on the Chu training sequences is shown in 112 Gb/s polarization-multiplexed (PM) quadrature phase-shift keying and 224 Gb/s PM-16-quadrature amplitude modulation with different pulse-shaping filters, respectively. The proposed method achieves a good accuracy and is verified to be robust to polarization mode dispersion.

Yiping Sun, Lixia Xi, Xianfeng Tang, Donghe Zhao, Yaojun Qiao, Xia Zhang, Xiaoguang Zhang. Joint estimation of frequency offset and chromatic dispersion based on the training sequences in M-ary QAM coherent optical transmission system[J]. Chinese Optics Letters, 2014, 12(10): 100606.

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