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Frequency and attenuation dependent fade slope statistics

Frequency and attenuation dependent fade slope statistics

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© The Institution of Electrical Engineers
Published

Results obtained from slant path propagation experiments carried out with the OLYMPUS satellite are reported. Concurrent attenuation measurements at 12.5, 20 and 30 GHz have been analysed with regard to the rate of change of rain attenuation (fade slope). The results indicate that pronounced fade slopes occur mostly in the high attenuation range.

Inspec keywords: rain; radiowave propagation; fading; satellite relay systems

Other keywords: 12.5 GHz; attenuation dependence; 20 GHz; rain attenuation; slant path propagation; OLYMPUS satellite; frequency dependence; 30 GHz; fade slope statistics

Subjects: Satellite communication systems; Radiowave propagation

References

    1. 1)
      • `Attenuation by hydrometeors, in particular precipitation, and other atmospheric particles', CCIR Report 721-3, Propagation in Non-Ionized Media, 1990.
    2. 2)
      • R.G. Howell , J.W. Harris , G. Mehler . Satellite copolar measurements at BT Laboratories. BT Technol. J. , 4 , 34 - 51
    3. 3)
      • Ortgies, G., Rücker, F.: `Frequency scaling of slant-path amplitude scintillations', Proc. URSI Commission F Symp., 1992, Ravenscar, p. 7.8.2–7.8.5.
    4. 4)
      • Dintelmann, F., Ortgies, G., Rücker, F.: `Earth-station requirements and description of a complete facility', ESA SP-292, Proc. OLYMPUS Utilisation Conf., 12th–14th April 1989, Vienna, p. 227–233.
    5. 5)
      • `COST 205: ‘Influence of the atmosphere on earth-satellite radio propagation at frequencies above 10 GHz’', Report EUR 9923 EN, 1985.
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