Spectrum sensing is regarded as a key technology in cognitive radio (CR). Energy detector
has been performed as an alternative spectrum sensing method because of its low …

In cognitive radio, spectrum sensing is a fundamental task and is used to detect primary
user. Energy detection is a popular spectrum sensing technique. But detection performance …

Spectrum sensing is the basic and essential mechanisms of Cognitive Radio (CR) to find the
unused spectrum. This paper presents an overview of CR architecture, discusses the …

Energy detection (ED) method is one of the most commonly used signal‐sensing methods in
spectrum sensing due to its low implementation complexity. ED can achieve good detection …

Energy detection (ED) is a popular spectrum sensing technique in cognitive radio to detect
the primary user. But the detection performance of ED deteriorates in the presence of noise …

Energy detection has been adopted as an alternative spectrum sensing method for cognitive
radios due to its low computational complexity and not requiring a priori information of the …

As required in the IEEE 802.22 proposal, spectrum sensing techniques should be capable
enough to sense the primary signal with very low receiver sensitivity such as at-116 dBm. In …

Spectrum sensing, a technique to recognize unused or idle spectrum, is a key function for
cognitive radio (CR) and requires high precision and fast signal processing technique. To …

Spectrum scarcity and the inefficient use of the electromagnetic spectrum motivated the
development of Cognitive Radio (CR), which aims to extend the spectral efficiency, with …

Cognitive radio is a promising solution to current problem of spectrum scarcity. It relies on
efficient spectrum sensing. Energy detection is the most dominantly used spectrum sensing …