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 …

Performance of cooperative spectrum sensing with multiple antennas at each cognitive radio
(CR) is discussed in this paper. The CRs utilize selection combining of the decision statistics …

In this letter, we consider cooperative spectrum sensing based on energy detection in
cognitive radio networks. Soft combination of the observed energies from different cognitive …

In this paper, we exploit cooperative spectrum sensing technique for applications in a relay
based cognitive radio network. Relays are assigned in cognitive radio networks to transmit …

In this letter, we consider hierarchical cooperative spectrum sensing based on two-threshold
energy detection in cognitive radio networks. In order to solve the sensing failure problem in …

The detection reliability of a cognitive radio network improves by employing a cooperative
spectrum sensing scheme. However, increasing the number of cognitive radios entails a …

This paper presents two-stage detectors for spectrum sensing in cognitive radio networks.
The first stage consists of multiple energy detectors, where each energy detector (ED) has a …

Sensing with equal gain combining (SEGC), a novel cooperative spectrum sensing
technique for cognitive radio networks, is proposed. Cognitive radios simultaneously …

Spectrum sensing is one of the key functionalities in the implementation of cognitive radio. It
is used to sense the unused spectrum in an opportunistic manner. In this paper, we propose …

We consider cooperative spectrum sensing in which multiple cognitive radios collaboratively
detect the spectrum holes through energy detection and investigate the optimality of …