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

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 effective...

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Bibliographic Details
Published inPhotonic network communications Vol. 32; no. 2; pp. 253 - 258
Main Authors Pan, Dongwei, Li, Chengcheng, Feng, Yiqiao, Zhang, Xiaoguang
Format Journal Article
LanguageEnglish
Published New York Springer US 01.10.2016
Springer Nature B.V
Subjects
Characterization and Evaluation of Materials
Computer Communication Networks
Computer Science
Electrical Engineering
Noise tolerance
Faster than Nyquist
Fiber optics and optical communications
Coherent communications
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Summary: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.
ISSN:1387-974X
1572-8188
DOI:10.1007/s11107-015-0595-y