Measurement of RF propagation around corners in underground mines and tunnels
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Measurement of RF propagation around corners in underground mines and tunnels

Filetype[PDF-958.17 KB]


  • English
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    Details:

    • Alternative Title:
      Trans Soc Min Metall Explor Inc
    • Personal Author:
    • Description:
      This paper reports measurement results for radio frequency (RF) propagation around 90° corners in tunnels and underground mines, for vertically, horizontally and longitudinally polarized signals. Measurements of signal power attenuation from a main entry into a crosscut were performed at four frequencies - 455, 915, 2450 and 5800 MHz - that are common to underground radio communication systems. From the measurement data, signal power loss was determined as a function of signal coupling from the main entry into the crosscut. The resultant power loss data show there are many factors that contribute to power attenuation from a main entry into a crosscut, including frequency, antenna polarization and cross-sectional entry dimensions.
    • Subject:
    • Source:
      Trans Soc Min Metall Explor Inc. 340(1):30-37
    • Pubmed ID:
      28626351
    • Pubmed Central ID:
      PMC5472338
    • Document Type:
      Journal Article
    • Funding:
      CC999999/Intramural CDC HHSUnited States/
    • Collection(s):
      CDC Public Access
    • Main Document Checksum:
    • File Type:

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