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Phase Noise Analysis of Time Transfer over White Rabbit-Network Based Optical Fibre Links.

Neelam1,2,3, Sithamparanathan Kandeepan1, Subhasis Panja2,3

  • 1School of Engineering, Royal Melbourne Institute of Technology (RMIT), Melbourne, VIC 3000, Australia.

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Summary
This summary is machine-generated.

This study investigates random noise in White Rabbit (WR) networks, finding phase noise follows a Gaussian mixture model. The research provides simulation models for algorithm developers and manufacturers to improve time-frequency synchronization accuracy.

Keywords:
White Rabbitnoise modellingoptical fibresphase noisetime transfer

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Area of Science:

  • Physics
  • Electrical Engineering
  • Computer Science

Background:

  • White Rabbit (WR) is an optical fibre technology for precise time-frequency signal distribution.
  • Internal electronic components in WR devices introduce random noise, affecting signal accuracy.

Purpose of the Study:

  • Investigate random noise processes within the White Rabbit network.
  • Characterize the statistical properties and model the noise distribution.
  • Develop simulation methodologies for noise generation.

Main Methods:

  • Experimental data collection from WR network measurements.
  • Statistical analysis to determine Probability Density Function (PDF).
  • Correlation analysis of phase noise over temporal samples.

Main Results:

  • The PDF of the noise follows a Gaussian Mixture Model (GMM).
  • Phase noise exhibits strong temporal correlation.
  • Developed models were validated against independent experimental data.

Conclusions:

  • The study successfully modeled WR network phase noise using GMM and correlation analysis.
  • Generated phase noise simulation models are available for developers and manufacturers.
  • This work aids in improving the accuracy and reliability of time-frequency synchronization systems.