(This paper summarizes the evolution of cognitive radio functions, discusses its related spectrum policies and the development of standardization office, and focuses on key technologies such as spectrum monitoring and primary user viewing, dynamic spectrum allocation, and efficiency control, and the use of cognitive radio in wireless local area networks (WRAN). , The research status of AdHoc network and UWB system is analyzed.)
发表于 2022-7-31 16:51:49
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