Abstract: Cognitive radio, as a wireless network model that can effectively alleviate the problem of spectrum resource tension in the future, is one of the most effective ways to improve the utilization of spectrum resources, and has great potential for development. By collecting relevant literatures in the field of cognitive radio, this paper makes a comprehensive comb ingat of the development of cognitive radio technology, writes a literature review, and focuses on the characteristics of cognitive radio technology and the current research status of its application, including the general concept of cognitive radio, relevant research areas at home and abroad, key technologies, etc., and looks forward to its development and lays a foundation for further research in the future.
正在翻译中..