… In this paper, we reviewed the most recent advances and challenges of cognitive radio
technology especially in the wideband spectrum sensing research. We classified the sensing …

… growing demands of wireless networks. To accommodate the growing demand of wireless
networks, the different multiple access schemes and Cognitive Radio (CR) networks come to …

… services over wireless networks is exploding as over four-fifths of the worldwide mobile
data traffic will be video uploading or downloading by 2022 (CISCO Visual Networking Index, …

… Cognitive radio (CR), which was introduced by Mitola and Maguire in [5], is a key enabling
… radio environments rapidly and efficiently and reduces complexity. This study reviews the …

… , an extensive review of the basic cognitive radio technology with complete cognitive cycle
… issues and research directions for cognitive radio networks which contribute an overview of …

… ) in Wireless Sensor Network (WSN)-based smart grid applications [25]. Cognitive radio has
… This analysis aims to research the literature on cognitive radio in LPWAN for industrial IoT. …

… and motivations of applying spectrum sensing in cognitive radio networks. The concepts of
half-duplex and full-duplex cognitive radio are presented. The main criteria exploited by SU to …

… In this work, the word green cognitive radio (CR) communication is used to express an
efficient method of the congregation of energy-efficient technologies at different levels to reduce …

… techniques on the basis of network architecture, spectrum allocation … detailed survey on
cognitive radio (CR) technology in SS related to 5G implementation is performed. For a complete …

… survey on existing works, that use the EC model in various wireless networks. We … networks,
such as cognitive radio networks (CRNs), cellular networks, relay networks, adhoc networks, …