Collaborative Sensing Based Wideband Detection in Cognitive Radio Networks

Provided by: Journal of Theoretical and Applied Information Technology
Topic: Mobility
Format: PDF
Spectrum sensing techniques are useful to increase spectrum utilization in a cognitive radio network by sensing spectrum holes without harmful interference. The collaboration of sensing information among cognitive radio nodes can significantly increase the reliability of spectrum sensing. Due to hardware limitation, each cognitive radio node has to sense one narrowband channel at a time. Consequently, the sensing procedure consumes a lot of time to get the sufficient information. A wideband sensing method is used to reduce the time overhead.

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