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IJRSP Vol.36(5) [October 2007] >


Title: Studies on radio frequency propagation characteristics for underground coalmine communications
Authors: Bandyopadhyay, L K
Mishra, P K
Kumar, S
Selvendran, D
Chaulya, S K
Keywords: Transceivers
Miner
Radio frequency wave
Directional antenna
Underground coal mine
Issue Date: Oct-2007
Publisher: CSIR
Abstract: A basic understanding of the behaviour of electromagnetic wave propagation through strata is the fundamental requirement to design a suitable wireless communication system for underground mines. Background information on radio propagation and its limitations, in a particular confined space can be known only after the measurement. Both electromagnetic propagation studies and modelling of propagation coverage, ultimately help in selecting the best suitable frequency and designing appropriate wireless communication system for underground mine. The paper discusses different aspects for propagation modelling and the experiment conducted in the laboratory to understand the propagation characteristics through coal. It is found that 6 MHz frequency is the best suitable frequency for propagation of electromagnetic wave through coal.
Page(s): 418-422
ISSN: 0367-8393
Source:IJRSP Vol.36(5) [October 2007]

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