Cognitive radio (CR) has been considered as a potential candidate for addressing the
spectrum scarcity problem of future wireless networks. Since its conception, several …

The field of cognitive dynamic systems (CDSs) is an emerging area of research, whereby
engineering learns from neuroscience. Under this framework, engineering systems are …

We consider a cognitive radio network with an energy-harvesting secondary transmitter to
improve both energy efficiency and spectral efficiency. The goal of this paper is to determine …

In this article on cognitive dynamic systems, the progress made and the way forward on this
multidisciplinary integrative field has been reviewed. The following topics has been …

Spectrum sensing is an essential technology to detect the presence of primary users'(PUs)
signals in cognitive radio (CR) networks. To achieve desirable performances under …

Spectrum sensing (SS) is a concept of cognitive radio systems at base transceiver stations
that can find the white space ie licensed spectrum owned by primary users (PU), for …

Recently, spectrum sensing has been intensively studied as a key technology in realizing
the cognitive radio. There have been advances in the performance of spectrum sensing …

In addition to Spectrum Sensing (SS) capability required by a Cognitive Radio (CR), Signal
to Noise Ratio (SNR) estimation of the primary signals at the CR receiver is crucial in order …

Given the ever-growing demand for radio spectrum, cognitive radio has recently emerged as
an attractive wireless technology. Since orthogonal frequency-division multiplexing (OFDM) …

The generalized detector (GD) can be implemented at the low signal-to-noise ratio (SNR) in
cognitive radio (CR) systems to improve the spectrum sensing performance under correlated …