Chinese Optics Letters, Volume. 12, Issue 10, 100606(2014)
Joint estimation of frequency offset and chromatic dispersion based on the training sequences in M-ary QAM coherent optical transmission system
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.
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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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Received: Apr. 16, 2014
Accepted: Jul. 16, 2014
Published Online: Sep. 30, 2014
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