The growing demand of wireless applications has put a lot of constraints on the usage of
available radio spectrum which is limited and precious resource. However, a fixed spectrum …

Cognitive radios are indispensable to shift paradigm from conventional exclusive spectrum
assignment to dynamic spectrum access. They can boost up spectrum utilization …

It is widely believed that the advances of networking technologies will reshape the future of
telecommunication system. The continuous growth in data traffic originated by mobile users …

Cognitive radio is a technology developed for the effective use of radio spectrum sources.
The spectrum sensing function plays a key role in the performance of cognitive radio …

Spectrum sensing is a key technology of cognitive radio (CR). In CR systems, the main
requirement of spectrum sensing is the ability of rapid and accurate detection of the …

A key component in cognitive radios systems is the spectrum sensing. Cognitive radios are
increasingly being considered to overcome the shortage and inefficiency of current static …

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 (CR) is a promising technology to improve the spectrum utilization
efficiency. Due to the increasing demand for wireless communication CR allows better use …

The successful deployment of dynamic spectrum access requires cognitive radio (CR) to
more accurately find the unoccupied portion of the spectrum. An accurate spectrum sensing …

The availability of radio spectrum is limited. The demand for high data transmission requires
the increase in the spectrum which over burdens the available frequency spectrum because …