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Fade margin

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In telecommunication, the term fade margin (fading margin) has the following meanings:

  • A design allowance that provides for sufficient system gain or sensitivity to accommodate expected fading, for the purpose of ensuring that the required quality of service is maintained.
  • The amount by which a received signal level may be reduced without causing system performance to fall below a specified threshold value. It is mainly used to describe a communication system such as satellite, for example a system like globalstar operates at 25-35 dB Fade margin.

See also

References

 This article incorporates public domain material from the General Services Administration document: "Federal Standard 1037C".

Attila Hilt, "Availability and Fade Margin Calculations for 5G Microwave and Millimeter-Wave Anyhaul Links", Applied Sciences, 2019, 9(23), 5240; https://doi.org/10.3390/app9235240., Trevor Manning, "Microwave Radio Transmission Design Guide", 2nd edition; Artech House: London, UK, 2009.

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