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 …

Energy detection is the most popular spectrum sensing method in cognitive radio. This
paper focuses on energy detection based spectrum sensing because of its low complexity …

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 …

Cognitive radio will drive the future of wireless/radio communication by efficient utilization of
underutilized spectrum (vacant space). Spectrum sensing and primary user detection is the …

Cognitive radio (CR) is a promising technique that offers a solution to the spectrum scarcity
problem by dynamically exploiting the underutilization of the spectrum among the bands …

Rapid growth of wireless applications and services has made it essential to address
spectrum scarcity problem. if we were scan a portion of radio spectrum including revenue …

This study evaluates the performance of the energy detection based spectrum sensing
technique in noisy and fading environments. Both single user detection and cooperative …

Spectrum sensing is critically important for cognitive radio, an emerging solution to the
spectrum congestion and low usage of licensed spectrum. Energy detection is a promising …

Since the spectrum is the scarce resource, spectrum sensing is an important part of Green
Engineering. The cognitive radio has been proposed as the future technology to meet the …

Reliable spectrum sensing is one of the most crucial aspects for the successful deployment
of cognitive radio (CR) technology. For CR, it is not possible to transmit on a licensed band …