At present, wireless sensor networks are developing rapidly with the support of the Internet
of things. Wireless sensor networks can deliver the information people need at any time, free …

Internet has changed drastically in the way people interact in the virtual world, in their
careers or social relationships. With the increasing use of the Internet and its variety of …

Wireless sensors networks (WSNs) combined with cognitive radio have developed and
solved the limited space of the frequency spectrum. In this paper, we propose different types …

Cognitive radio is expected to be implemented in smart grids since it presents high
reliability, high accuracy and low transmission time by utilizing licensed bands …

Within the domain of cognitive radio (CR), cooperative spectrum sensing (CSS) is employed
to identify available spectrum bands for dynamic spectrum access, leveraging the spatial …

The inefficient use of spectrum is the key subject to overcome the upcoming spectrum
crunch issue. This paper presents a study of performance of cooperative cognitive network …

Remote and rural area connectivity is a true challenge that can be alleviated by allowing
shared spectrum access in bands below 1 GHz. Spectrum sensing can provide benefits …

Cognitive Radio technology, which lowers spectrum scarcity, is a rapidly growing wireless
communication technology. CR technology detects spectrum holes or unlicensed spectrums …

In centralized cooperative spectrum sensing, sensing reports from multiple SUs are
considered to improve the detection performance of SUs. Fusion center (FC) aggregates …

With the recent developments in energy harvesting (EH) technologies, mobile devices are
able to support the wireless multimedia services by harvesting energy from various external …