For conventional wireless networks, the main target of resource allocation (RA) is to
efficiently utilize the available resources. Generally, there are no changes in the available …

In the present contribution, we propose a novel opportunistic ambient backscatter
communication (ABC) framework for radio frequency (RF)-powered cognitive radio (CR) …

Direct-conversion radio (DCR) receivers can offer highly integrated low-cost hardware
solutions for spectrum sensing in cognitive radio (CR) systems. However, the DCR receivers …

Direct-conversion radio transceivers can offer reprogrammable and low-cost hardware
solutions for full-duplex (FD) cognitive radio networks (CRNs). However, they are …

In this paper, an efficient adaptive detection scheme is proposed for cognitive radio networks
where multiple secondary users (SUs) cooperate to identify idle spectrum bands. Each SU …

During the last decades, wireless communications have evolved from a scarce technology,
used by professionals for niche applications to a rapidly advancing research field. Ever …

The cognitive radio (CR) prototype that has been intended to scheme the future wireless
communication structures is emerging progressively by utilizing its various features within …

The present contribution proposes a spectrally efficient censor-based cooperative spectrum
sensing (C-CSS) approach in a sustainable cognitive radio network that consists of multiple …

To evaluate the performance of cognitive radio (CR) under the energy detection scheme, the
proper selection of threshold is an important and a critical task. The threshold is generally …

Cognitive radio (CR) technology is being recognized as one of the main enabling
technologies for supporting massive high-speed connectivity in multicell fifth-generation …