2.4 GHz Radio Wave Propagation Characteristics in Coal Mine Workface Tunnels

Duan Zhao, Enjie Ding, Xin Wang

Abstract


We proposed a novel ray-tracing based radio waves propagation (RTRWP) Law suitable for under-tunnel complex coal mine workface. The energy consumption model evaluation in complex coal mine workface is derived. Theoretical analysis about calculating the multiple reflections of the radio waves in coal mine workface is also provided. Computer simulations and field tests in workface tunnels show that this proposed RTRWP law can work effectively to describe the actual radio wave propagation environments in complex coal mine workface.

Keywords


Coal mine workface; Ray-tracing based radio waves propagation (RTRWP) law; Multi-path model; Energy loss

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DOI: http://doi.org/10.11591/ijeecs.v12.i10.pp7299-7303
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