Spectrum is a kind of non-reproducible scarce strategic resource. A secure wideband
spectrum sensing technology provides the possibility for the next generation of ultra-dense …

Spectrum sensing is the key technology of cognitive radio. In this article, we apply
blockchain technology in spectrum sensing process and propose a related algorithm based …

Cognitive radio (CR) is the best way to improve the efficiency of spectrum consumption for
wireless multimedia communications. Spectrum sensing, which allows legitimate secondary …

In cognitive wireless networks, multi-node cooperative spectrum sensing can effectively
improve the accuracy of spectrum sensing, but there is a non-linear relationship between the …

In cognitive radio networks, cooperative spectrum sensing (CSS) is a key approach to
effectively discover spectrum opportunities for secondary users. However, due to the …

Identifying malicious users accurately in cognitive radio networks (CRNs) is the guarantee
for excellent detection performance. However, existing algorithms fail to take the mobility of …

In cognitive wireless networks, the collusion attack of malicious users has brought great
challenges to the safety perception of the spectrum. Based on the analysis of the …

In recent times, wireless communication systems have been considered by a fixed spectrum
allocation policy, where administrative agencies provide wireless spectrum to licensees on a …

Due to the fast-growing usage of wireless devices, cognitive radio networks have been
proposed to address the spectrum scarcity problem. As the foundation of their practical …

Today we live in era where not only humans interact but machines interact too. Internet of
Things has disrupted the communication with an enormous growth in number of connected …