Through the high-precision positioning technology of Beidou satellite, high-speed differential base stations and tunnel relay equipment are developed, and the GNSS positioning ground-based augmentation system (CORS) along the railway is built by embedding the GSM-R base station into Beidou reference station, so as to realize the safety early warning and disaster monitoring of railway construction operation and maintenance. The system provides the train position in real time (distinguishing the up and down tracks), monitors the safe distance between cars and people, and provides an effective means for the safety monitoring of construction and maintenance along the railway.
LTE+/5G wireless transmission network
ENB+ differential fusion base station
Precise train positioning
Wear protection
Inertial navigation+indoor positioning
Data processing center
Early warning maintenance center
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