IEVref:713-11-10ID:
Language:enStatus: Obsolete
Term: signal-to-interference ratio
Synonym1: signal/interference ratio
[Preferred]
Synonym2:
Synonym3:
Symbol: S / I
Definition: the ratio, generally expressed in decibels, of the power of the wanted signal to the total power of interfering signals and radio-frequency noise, evaluated in specified conditions at a specified point of a transmission channel

NOTE – The specified conditions comprise among others:

– the nature and characteristics of the wanted signal,
– the nature and characteristics of the interfering signals and the radio-frequency noise,
– the receiver and antenna characteristics such as the bandwidth.


Publication date:1998-04
Source702-08-63 MOD, ITU-R Rec. 573 MOD
Replaces:
Internal notes:2015-07-20: "RF noise" corrected to "radio-frequency noise". JGO
CO remarks:
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