Massive Internet of Things (IoT) connectivity requires addressing spectrum congestion
caused by spectrum scarcity in wireless communications. Over the past decade, cognitive …

Cooperative spectrum sensing (CSS) has been considered as a powerful approach to
improve the utilization of scarce radio spectrum resources. However, spectrum sensing data …

Cognitive radio (CR) is a key enabling technology of dynamic spectrum access to achieve
better utilization of frequency spectrum. Cooperative spectrum sensing (CSS) exploits the …

Cognitive radio networks (CRNs) can greatly improve the temporal and spatial spectrum
utilization by identifying and exploring spectrum holes of the licensed primary users (PUs) …

Cooperative spectrum sensing is key to the success of cognitive radio networks. Recently,
fully distributed cooperative spectrum sensing has been proposed for its high performance …

Cooperative spectrum sensing is an efficient way to improve the spectrum utilization in
cognitive radio networks (CRNs), while the system performance of such CRNs is often …

Multiple secondary users (SUs) perform collaborative spectrum sensing (CSS) in cognitive
radio networks to improve the sensing performance. However, this system severely …

Cognitive radio has been proposed as a promising technology to resolve the spectrum
scarcity problem by dynamically exploiting underutilized spectrum bands. Cognitive radio …

Cognitive radio networks (CRNs) are an emerging wireless communications technique for
resolving the significant spectrum scarcity problem. Despite their promising characteristics …

In cognitive radio networks (CRNs), secondary users (SUs) can opportunistically access the
licensed bands through spectrum sensing while primary users (PUs) are inactive. While …