The study aims to obtain higher spectrum efficiency of the cognitive radio system, effectively
solve the hidden terminal problem caused by single user spectrum sensing, and improve the …

The algorithm of cooperative spectrum sensing in cognitive radio networks can improve
detection probability of frequency spectrum sensing while increase cost of control channel …

As a key technology of cognitive radio, spectrum sensing has been extensively researched.
The main parameters which measure the performance of cooperative spectrum sensing are …

The spectrum sensing performance depends on the accuracy of the detection about whether
primary users are busy or idle. Previous studies on cognitive radio spectrum sensing have …

The aim of cognitive radio is to obtain the best available spectrum through cognitive
capability and reconfigurability. Spectrum sensing is the key function of cognitive cycle. In …

In this paper, an optimization algorithm for cooperative spectrum sensing in cognitive radio
(CR) is proposed, to maximize the spectrum sensing efficiency under the condition of limited …

Spectrum sensing is one of the key technologies of cognitive radio. Energy detection is
widely used in spectrum sensing, but noise uncertainty and low signal-to-noise ratio …

Cognitive radio is a promising technique for efficient utilization of idle authorized spectrum
since it is able to sense the spectrum and reuse the frequency when the primary user is …

Spectrum sensing is a new technology in cognitive radio network, whose main purpose is to
design an optimal detector. This paper studies a soft linear cooperative spectrum sensing …

Radio Resource is one of the prime resources of wireless communication and always
scarce. Due to rise in number of users day by day and rapid development in wireless …