Background: The spectrum scarcity plays a vital role in wireless communications. We are in
the situation to use it through an efficient methodology. Objective: To identify the holes in the …

In this article, the multi-antenna cooperative spectrum sensing problem in cognitive radio
networks is investigated over Riemannian manifold. At the beginning, a signal matrix is …

In this paper, the spectrum sensing problem is investigated under the context of information
geometry and a novel clustering algorithm based spectrum sensing scheme is developed to …

The recent decade has seen a rapid evolution of communication technologies and
standards with the ultimate goal of providing global users with seamless connectivity a data …

Magnetic storms are an important type of space weather and are usually caused by large
streams of charged elementary particles (ions, for example) generated during solar wind …

A traditional cooperative spectrum sensing system based on the energy features of random
matrix theory does not function well when the signal-to-noise ratio is low in the Gaussian …

In this paper, a blind broadband spectrum sensing based on Hankel matrix and Kung
method is proposed. Specifically, first, the entire broadband spectrum is sampled by a …

Wearable wireless sensors play a vital role in healthcare applications to transfer information
of patients. Generally, wearable devices are used for monitoring, diagnosing, and treating …

In medical telemetry networks, cognitive radio technology is mostly used to avoid licensed
spectrum underutilization and by providing access to unlicensed spectrum users without …