e/Signal-to-interference ratio

Information
has gloss	eng: The signal-to-interference ratio (S/I or SIR), also known as the carrier-to-interference ratio (C/I, CIR), is the quotient between the average received modulated carrier power S or C and the average received co-channel interference power I, i.e. cross-talk, from other transmitters than the useful signal.
lexicalization	eng: Signal-to-interference ratio
instance of	c/Engineering ratios