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

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.