DOI: 10.3390/s25041011 ISSN: 1424-8220
Cognitive Radio Networks: Technologies, Challenges and Applications
Yang Xu, Kechen Zheng, Xiaoying Liu, Zhao Li, Jia LiuIn recent years, Cognitive Radio Networks (CRNs) have emerged as a transformative solution to address the growing demand for wireless spectrum resources and the inefficiencies of traditional static spectrum allocation policies [...]