Abstract
Wireless communication is very important for the safety production in coal mine. In this paper, two key technologies which are operating frequency and network structure about the wireless communication system in the coal mine tunnel have been studied. Through the study, we get the conclusion that the recommended operating frequency is above 2GHz and the favorable network structure adopts the structure of base station with switch. We also develop a multifunction wireless communication system which can achieve the functions of wireless communication, personnel management and video surveillance. Practical applications showed that the multifunction wireless communication system can satisfy the need about wireless dispatch communication in the coal mine tunnel.
Published Version
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