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An effective carrier phase estimation scheme in faster than Nyquist WDM transmission system

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Abstract

We propose a carrier phase estimation method using unequaled digital pilot tone in a faster than Nyquist WDM transmission system, in which the digital pilot tone is employed to estimate laser phase noise induced by the lasers located at the transmitter and the receiver ends. The method can effectively overcome the scale of the inter-symbol interference introduced by FTN signaling, with the good features of high phase noise tolerance and simple hardware complexity.

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Acknowledgments

This work is partly supported by the National Natural Science Foundations of China (Grant No. 61205065 and No. 61571057), Open Fund of IPOC (BUPT) (IPOC2013B005), Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), People’s Republic of China and the Fundamental Research Funds for the Central Universities (No. 2014RC1201).

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Authors and Affiliations

  1. State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China

    Dongwei Pan, Chengcheng Li, Yiqiao Feng & Xiaoguang Zhang

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  1. Dongwei Pan
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  2. Chengcheng Li
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  3. Yiqiao Feng
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  4. Xiaoguang Zhang
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Correspondence to Xiaoguang Zhang.

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Pan, D., Li, C., Feng, Y. et al. An effective carrier phase estimation scheme in faster than Nyquist WDM transmission system. Photon Netw Commun 32, 253–258 (2016). https://doi.org/10.1007/s11107-015-0595-y

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  • DOI: https://doi.org/10.1007/s11107-015-0595-y

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