| Sumario: | In view of problems of small bandwidth, low transmission rate and complicated wiring of current fieldbus communication network in coal mine underground, a design scheme of mine wireless sensor network was proposed. The mine wireless sensor network, which is based on TD-LTE technology, can access wireless terminal equipment through wireless base station and existing equipment and system in fieldbus communication network through customer premise equipment, so as to realize regional data collection. The application results show that the mine wireless sensor network meets requirements of mine Internet of things with large bandwidth, long transmission distance, stable data transmission and high real-time performance.
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