Fast, accurate and efficient sensing is of important aspects in cognitive radio technology. A
new sensing circuit is proposed using a phase frequency detector for cognitive radio …

Spectrum sensing is one of the most challenging task in implementing future cognitive
radios. The sensing unit should provide reliable information about the surrounding radio …

Cognitive radio is considered as a promising approach to improve the utilization efficiency of
radio spectrum resources. One of the key technologies of cognitive radio is spectrum …

With the increase in utilization of portable devices and ever-growing demand for greater
data rates in wireless transmission, an increasing demand for spectrum channels was …

Cognitive radio is the key technology for future wireless communication. Spectrum sensing
is one of the most important functions in cognitive radio (CR) applications. It involves the …

Spectrum sensing is a critical component of the Cognitive Radio that detects the presence of
primary user signal in a channel. In this paper energy detection technique based on …

In order to design RF receiver system, different topologies has been researched in the
current industry. A novel RF receiver system with ability of spectrum sensing and …

The spectrum sensing is a quite important part in cognitive radio. This paper discusses
energy sensing, the common spectrum sensing algorithm in cognitive radio, as well as some …

Rapid, accurate and efficient SS is of vital elements in CR technology. Emerging broadband
wireless applications have demanded extraordinary increase in radio spectrum resources …

In this paper, FPGA implementation of an autocorrelation based spectrum detector which is
capable of overcoming DC offset and frequency offset problems is presented. There exist …