Accurate and Robust Channel Spacing Estimation Based on Periodic Training Sequence in Denser Nyquist-WDM System
Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland
Proceedings: ECOC 2016
Pages: 3Language: englishTyp: PDF
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Authors:
Zhao, Ying; Li, Huihui; Su, Xiaofei; Dou, Liang; Tao, Zhenning (Fujitsu R&D Center, No. 2A Gong Ti Bei Lu Rd., Beijing, China)
Oda, Shoichiro; Hoshida, Takeshi; Rasmussen, Jens C. (Fujitsu Laboratories Ltd., 1-1 Kamikodanaka 4-chome, Nakahara-ku, Kawasaki, 211-8588, Japan)
Aoki, Yasuhiko (Fujitsu Limited, 1-1 Kamikodanaka 4-chome, Nakahara-ku, Kawasaki, 211-8588, Japan)
Abstract:
We propose an accurate and robust channel spacing estimation method based on a designed periodic training sequence. Experiment results show that estimation error is less than 50MHz and the method is immune to chromatic dispersion, polarization effects and fiber nonlinearity.