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Signal-to-interference ratio

Index Signal-to-interference ratio

The signal-to-interference ratio (SIR or S/I), also known as the carrier-to-interference ratio (CIR or C/I), 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. [1]

8 relations: Additive white Gaussian noise, Carrier-to-noise ratio, Carrier-to-noise-density ratio, Co-channel interference, Crosstalk, Radio resource management, Signal-to-noise ratio, SINAD.

Additive white Gaussian noise

Additive white Gaussian noise (AWGN) is a basic noise model used in Information theory to mimic the effect of many random processes that occur in nature.

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Carrier-to-noise ratio

In telecommunications, the carrier-to-noise ratio, often written CNR or C/N, is the signal-to-noise ratio (SNR) of a modulated signal.

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Carrier-to-noise-density ratio

In satellite communications, carrier-to-noise-density ratio (C/N0) is the ratio of the carrier power C to the noise power density N0, expressed in dB-Hz.

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Co-channel interference

Co-channel interference or CCI is crosstalk from two different radio transmitters using the same channel.

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Crosstalk

In electronics, crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel.

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Radio resource management

Radio resource management (RRM) is the system level management of co-channel interference, radio resources, and other radio transmission characteristics in wireless communication systems, for example cellular networks, wireless local area networks and wireless sensor systems.

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Signal-to-noise ratio

Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

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SINAD

Signal-to-noise and distortion ratio (SINAD) is a measure of the quality of a signal from a communications device, often defined as \mathrm.

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Redirects here:

CINR, CNIR, Carrier-to-Interference Ratio, Carrier-to-Noise-and-Interference Ratio, Carrier-to-interference ratio, Carrier-to-noise-and-interference ratio, Signal-to-Interference Ratio.

References

[1] https://en.wikipedia.org/wiki/Signal-to-interference_ratio

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