Clock synchronization system and method based on UWB technology

CN119316922APending Publication Date: 2025-01-14XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP
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Patent Information

Application Number
CN202411359055.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-01-14

AI Technical Summary

Technical Problem

Traditional UWB positioning technology cannot achieve absolute time synchronization of wireless seismic acquisition systems in mines under low power consumption, affecting data validity and the battery life of the acquisition node.

Method used

A clock synchronization system based on UWB technology was designed. Through the combination of ground data center, industrial ring switch, underground UWB base station and acquisition sub-station, one-dimensional positioning ranging and clock synchronization were used to realize absolute time transmission and Real-time positioning reduces power consumption and improves system applicability.

Benefits of technology

It realizes high-precision and high-stability clock synchronization, extends the battery life of the UWB technology clock synchronization system, improves the practicality of the system and compatibility with existing acquisition systems.

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Abstract

The invention discloses a UWB technology-based clock synchronization system and method, the system comprises a ground data center, a ground time service main clock, an industrial ring network switch, a plurality of underground UWB base stations and a plurality of acquisition substations, one underground UWB base station in each underground UWB base station is a main base station, and the other underground UWB base stations are connected in series or wirelessly with the main base station; each acquisition substation is provided with a UWB module, and the UWB module establishes communication with an underground UWB base station; the address code of each UWB module is unique; according to the clock synchronization system based on the UWB technology, absolute time transmission and real-time positioning are achieved at the same time through the UWB base station, high-precision and high-stability clock service can be provided for the mine wireless seismic acquisition system, the endurance time of the clock synchronization system based on the UWB technology can be further prolonged through the low power consumption advantage of UWB communication, and the practicability of the clock synchronization system based on the UWB technology is improved.
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