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Cognitive radio network is a new innovation wireless technology aiming to improve the utilization of the electromagnetic spectrum. Cognitive radio network consists of several cognitive radio devices which run radio applications software to perform signal processing using the frequency bandwidth. The use of this software enables the device to sense and understands its environment and change its mode of operation based on its observation. These devices are dynamic in nature and require effective dynamic management of the spectrum resources (data and information). The challenge arising from the management of these resources dynamically impedes secure communication.
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