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March 3, 20260 citationsOpen Access

Fibre Vibration Sensing and Localization with Cross-Correlation based Neural Network in a Practical Bidirectional Optical Transmission System

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WZWanxin ZhaoSSSen ShenVYVaigai Yokar

Key Points

  • Precision localization achieved with a spatial resolution of 8 km, improving upon existing methods.
  • The CC-CNN algorithm demonstrates significant accuracy and robustness over traditional cross-correlation techniques.
  • High-precision time synchronization over the fibre network allows for effective vibration detection within 200-ns jitter.
  • Study indicates potential advancements in monitoring urban infrastructure using vibration sensing technology.

Abstract

We present a CC-CNN localization algorithm for vibration detection over Bristol’s urban fibre network, achieving an 8-km spatial resolution and outperforming pure cross-correlation methods in accuracy and robustness. High-precision time synchronization over the fibre link with aroud 200-ns jitter enables precise localization.

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Cite This Study

Zhao et al. (2025) studied this question.

synapsesocial.com/papers/69a75ca4c6e9836116a25acfhttps://doi.org/10.1109/acp66871.2025.11350013
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