4.2 - Experimental Measurements and Antenna Isolation for TETRA Communication System in Underground Mining and decline
- ettc2018 - European Test and Telemetry Conference
2018-06-26 - 2018-06-28
- 4. RF Design
- B. Battseren, B. Bazargur, O. Bataa, Z. Khurelbaatar - School of Information and Communication Technology, Mongolian University of Science and Technology (Mongolia)
- 87 - 93
Mining industries play an important role in the economic development of Mongolia. In mining operations, truly reliable and robust communication systems play a vital role in ensuring personnel safety, enhancing operational efficiency and process optimization. In this thesis, we have carried out the calculation of RF amplifier wave propagation in mines and in special-purpose tunnels, in tunnel entrance and in box cut declines of tunnel entrance. UHF radio frequency radiation tests have been
carried out in the 16-degree box cut declines at a depth of 30 meters and in the 150m long tunnels beneath it. In this case, it is necessary to create significant isolation between the donor antenna and the service antenna of RF amplifier. Our results are useful to understand the isolation of antennas and implications of the physical environment, signal radiation characteristics in underground mine communication system.