 ##  [Spectrum Sensing False Alarm](/spectrum-sensing-false-alarm) 

  ##  [Spectrum Sensing False Alarm](https://information.quantumdictionary.io/spectrum-sensing-false-alarm-0) 

  
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**Information &amp; Communication Dictionary**

 
Definition

A sensing error in which a spectrum‑access mechanism (e.g., cognitive radio) reports a frequency band or channel as occupied when it is actually idle, causing the sensing entity to refrain from transmitting and thereby reducing usable spectrum and access opportunities.