The dramatic growth of smart devices catering content-centric data traffic has fueled the
need for group communication services in cellular networks, among which multicasting is of …

The explosive popularity of small-cell and Internet of Everything devices has tremendously
increased traffic loads. This increase has revolutionised the current network into 5G …

With the development of wireless communication technology, the need for bandwidth is
increasing continuously, and the growing need makes wireless spectrum resources more …

Cognitive radio networks (CRNs) have emerged as a promising, yet challenging, solution to
enhance spectrum utilization, thanks to the technology of cognitive radios. A well-known …

Due to the increasingly complicated communication scenarios and network architectures as
well as growing traffic demands for high speed connectivity, dynamic spectrum allocation in …

Wireless technology has enabled the development of increasingly diverse applications
resulting in an exponential growth in usage and services. To cope with the demand, network …

Spectrum utilization, energy consumption, and cost efficiency are three key performance
metrics that should be jointly investigated in developing a sustainable 5G system. Advanced …

Spectrum sharing is becoming a necessity in future cellular networks due to the increasing
traffic demand and challenges of getting exclusive spectrum. This article reviews the …

Cognitive radio network (CRN) is considered a plausible way out for future 5G applications
through its dynamic spectrum access technology. Spectrum sharing being the main …

The remarkable growth in the demand for multimedia streaming over wireless networks is
challenged by spectrum scarcity. To mitigate the effect of such a challenge, Cognitive Radio …