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Title	Cognitive Radio Networks: Recent Advances In Spectrum Sensing Techniques And Security
ID_Doc	14659
Authors	Joykutty A.M.; Baranidharan B.
Year	2020
Published	Proceedings - International Conference on Smart Electronics and Communication, ICOSEC 2020
DOI	http://dx.doi.org/10.1109/ICOSEC49089.2020.9215360
Abstract	Wireless networks are very significant in the present world owing to their widespread use and its application in domains like disaster management, smart cities, IoT etc. A wireless network is made up of a group of wireless nodes that communicate with each other without using any formal infrastructure. The topology of the wireless network is not fixed and it can vary. The huge increase in the number of wireless devices is a challenge owing to the limited availability of wireless spectrum. Opportunistic spectrum access by Cognitive radio enables the efficient usage of limited spectrum resources. The unused channels assigned to the primary users may go waste in idle time. Cognitive radio systems will sense the unused channel space and assigns it temporarily for secondary users. This paper discusses about the recent trends in the two most important aspects of Cognitive radio namely spectrum sensing and security.. © 2020 IEEE.
Author Keywords	Cognitive Radio Networks; Dynamic Spectrum Allocation; Reinforcement Learning; Spectrum Sensing; Wireless networks

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