161 search results - page 4 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— In cognitive radio networks, the secondary network (users) are allowed to utilize the frequency bands of primary network (users) when they are not currently being used. To supp...
GLOBECOM
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...
TCOM
2010
14 years 7 months ago
2010
Abstract—Cognitive radio technologies have become a promising approach to efficiently utilize the spectrum. Although many works have been proposed recently in the area of cognit...
GLOBECOM
2009
IEEE
14 years 7 months ago
2009
IEEE
Collaborative spectrum sensing in cognitive radio networks has been proposed as an efficient way to improve the performance of primary users detection. In collaborative spectrum se...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract— Cooperation is increasingly regarded as a key technology for tackling the challenges of a practical implementation of cognitive radio. In this paper, we first give a b...