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Interference (communication)
In communications and electronics, especially in telecommunications, interference is anything which 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. Common examples are:
* Electromagnetic interference (EMI)
* Co-channel interference (CCI), also known as crosstalk
* Adjacent-channel interference (ACI)
* Intersymbol interference (ISI)
* Inter-carrier interference (ICI), caused by doppler shift in OFDM modulation (multitone modulation).
* Common-mode interference (CMI)
* Conducted interference
Interference is typically but not always distinguished from noise, for example white thermal noise.
Radio resource management aims at reducing and controlling the co-channel and adjacent-channel interference.
== See also ==
* Distortion
* Signal-to-Interference Ratio (SIR)
* Signal to noise plus interference (SNIR)
* Inter-flow interference
* Intra-flow interference
fr:Interférence
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