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Talk · E3S Web of Conferences · January 1, 2023

Modeling and research of the operation of cognitive radio networks

Ernazar N. Reypnazarov, Halimjon Khujamatov, Debasis Das, Alisher Shakhobiddinov, Doston Khasanov, Tazakhan Babazhanova

Doston Khasanov
Read on dx.doi.orgPDFDOI 10.1051/e3sconf/202345203006

Abstract

Cognitive radio networks (CRN) have emerged as a promising technology to address the spectrum scarcity problem by allowing unlicensed users to access the licensed spectrum dynamically. The operation process of CRN involves several steps such as spectrum sensing, spectrum decision, and spectrum sharing. This paper provides information on the model and algorithm developed for researching the operation of cognitive radio networks and describes the results of the research. The model is built in the Matlab software environment, and the relevant results of such processes as occupying channels, detecting spectrum holes, freeing channels, adding noise to signals, and suppressing signals in cognitive radio networks are graphically depicted.

Cognitive Radio Networks and Spectrum SensingWireless Networks and ProtocolsEnergy Harvesting in Wireless Networkscognitive radio networksspectrum sensingspectrum decision

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