… to the radio environmental conditions in which the Cognitive Radio Network operates is the
… the Cognitive Radio Network including new Medium Access Control protocols. The Cognitive …

… , eg, [117]–[120], typically make several assumptions that may fail to hold in dynamic spectrum
access networks. For example, most proposals assume that the set of available channels …

This paper provides an overview of cognitive radio (CR) networks, with focus on the recent
advances in resource allocation techniques and the CR networks architectural design. The …

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

In order to mitigate the shortage of wireless spectrum, the appealing concepts of cooperative
communication techniques and cognitive radio (CR) networks have been combined for the …

… cognitive radio in last decade. There are also quite a few surveys on cognitive radio or DSA
networks, … focus on network design problems for cognitive radio networks, in this article, we …

… The term "cognitive radio" was first defined by Joseph Mitola in his PhD thesis at Royal …
Software Defined Radio (SDR) and cognitive radio. SDR is a radio set where most of radio and …

In cognitive radio (CR) networks, medium access control (MAC) protocols play an important
role to exploit the spectrum opportunities, manage the interference to primary users (PUs), …

… access schemes for cognitive radio under different communication requirements. In fact,
cognitive radio based on dynamic spectrum access has … for next generation wireless networks. …

… is called cognitive radio (CR) [1], which can significantly enhance the spectrum utilization by
allowing a group of unlicensed secondary users (SUs) to opportunistically access frequency …