Radio wave propagation characteristics in lossy circular waveguides such as tunnels, mine shafts, and boreholes

We present the characteristics of radio propagation in a circular lossy waveguide whose walls are composed of earth soil materials with frequency-dependent properties. This type of structure is used to represent a radio link for an underground wireless communication channel such as a tunnel, mine sh...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2000-09, Vol.48 (9), p.1354-1366
Hauptverfasser:	Holloway, C.L., Hill, D.A., Dalke, R.A., Hufford, G.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Attenuation Earth Frequency Moisture Propagation losses Radio link Radio propagation Shafts Soil Wireless communication
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