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 …

A blockchain based security improvement as well as spectrum sensing technique is
proposed in this article for regulating the spectrum and identifying fraudulent users in the …

Due to the increase in industrial applications of Internet of Things (IoT), number of internet
connected devices have been increased accordingly. This has resulted in big challenges in …

In recent times, spectrum sensing and spectrum management become a crucial design
issue in cognitive radio networks (CRN). To improve the spectrum utilization in CRN, the …

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 has been established as an optimal solution to enhance spectrum usage
proficiency and compensate the growing spectrum scarcity for wireless multimedia …

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 …

This is the era of Intelligent Cognitive Radio Network (CRN) technology that provides the
available spectrum with efficient utilization. Cognitive Radio (CR) technology must promise …

Cognitive radio networks allow opportunistic spectrum access to the unlicensed users,
which rely on effective spectrum sensing. Recently, cooperative sensing has been found to …

Spectrum sensing is the first step to overcome the spectrum scarcity problem in Cognitive
Radio Networks (CRNs) wherein all unutilized subbands in the radio environment are …