Signal to noise plus interference
Encyclopedia
Signal-to-noise plus interference (SNIR) is defined as the ratio of signal power to the combined noise
and interference
power:
where
is the averaged power. Values are commonly quoted in decibel
s.
Noise (electronics)
Electronic noise is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects...
and interference
Interference (communication)
In communications and electronics, especially in telecommunications, interference is anything which alters, modifies, or disrupts a signal as it travels along a channel between a source and a receiver. The term typically refers to the addition of unwanted signals to a useful signal...
power:
where
is the averaged power. Values are commonly quoted in decibelDecibel
The decibel is a logarithmic unit that indicates the ratio of a physical quantity relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities...
s.