Wireless Technology Terms, Glossary and Dictionary
CIR: Carrier to Interference Ratio
Carrier to Interference Ratio (CIR), expressed in decibels (dBs), is a measurment of signaling effectiveness. CIR is the ratio of C (carrier signal) to the (I) Interference expressed. The carrier is the desired signal, and the interference can either be adjacent and co-channel interference, along with noise and background effects all detract from the potential quality of the received signal.
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