Spectrum sensing is a key function of cognitive radio to prevent the harmful interference with
licensed users and identify the available spectrum for improving the spectrum's utilization …

The main challenge for a cognitive radio is to detect the existence of primary users reliably in
order to minimise the interference to licensed communications. Hence, spectrum sensing is …

The main problem of scientific thinking is the search for truth. There are two main tools used
in the process of drawing scientific conclusions. It is an observation of the world around us …

Quickest detection is applied in spectrum sensing in cognitive radio systems when multiple
secondary users collaborate with limited communication time slots. When the transmissions …

Wireless Communication is a system for communicating information from one point to other,
without utilizing any connections like wire, cable, or other physical medium. Cognitive Radio …

Support for various multimedia applications in wireless networks demands additional
bandwidth in the radio frequency spectrum. Efficient spectrum management algorithms are …

This paper studies recursive composite hypothesis testing in a network of sparsely
connected agents. The network objective is to test a simple null hypothesis against a …

This paper investigates the problem of cooperative spectrum sensing in cognitive radios with
unknown parameters in the likelihood function. We first derive the optimal likelihood ratio …

Noise enhanced hypothesis-testing is studied according to the restricted Neyman–Pearson
(NP) criterion. First, a problem formulation is presented for obtaining the optimal probability …

In this paper, we address the problem of spectrum sensing in the presence of non-Gaussian
noise for cognitive radio networks. A novel Rao test based detector, which does not require …