Cognitive Radio has been recognized as a promising way to improve spectrum efficiency of
wireless communications by exploiting under-utilized licensed spectrum in temporal …

Cognitive communication model perform the investigation and surveillance of spectrum in
cognitive radio networks abetment in advertent primary users (PUs) and in turn help in …

Detection performance of an energy detector used for cooperative spectrum sensing in a
cognitive radio network is investigated over channels with both multipath fading and …

Spectrum sensing is critically important for cognitive radio, an emerging solution to the
spectrum congestion and low usage of licensed spectrum. Energy detection is a promising …

In 5G-based cognitive radio, the primary user signal is more active due to the broad
frequency band. The traditional cooperative spectrum sensing only detects one …

Increasing spectrum-efficiency (SE) as well as energy-efficiency (EE) has attracted much
attention recently due to the fact that the future wireless networks need to address the issues …

Massive wireless connections are emerging in Internet of Things (IoT) and will lead to a
severe spectrum scarcity issue. To deal with this issue, we introduce the cognitive radio …

Due to the huge number of diverse wireless devices and technologies, spectacular
increases in the number of wireless subscribers, advent of new applications and continuous …

In this paper, an adaptive cooperative spectrum sensing scheme using random access is
proposed in a cognitive radio network. Although cooperative spectrum sensing improves the …

Cognitive radio (CR) is a promising technology for overcoming the lack of available
communication bands. In CR technology, spectrum sensing is an important issue, which has …