Comparison of Energy Detection Methods in Cognitive Radio Networks

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Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
Cognitive Radio (CR) is used in mobile communication to make devices and networks better adaptable to changes in environmental parameters such as frequency allocation and regulation. Cognitive Radio (CR) is an emerging new paradigm in wireless communications. Its goal is to make frequency use more efficient by using temporarily unoccupied frequency bands. Therefore frequency bands have to be measured in order to decide about the occupation of the band. One of the used techniques is energy detection. In this paper, different energy detection models were compared. The evaluation was performed using a simulator for an OFDM-modulation based wireless communication network.
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