88 search results - page 13 / 18 » Cooperative Relay for Cognitive Radio Networks |
JSAC
2011
13 years 2 months ago
2011
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices, such as wireless microphones, is a challenging, but very important, problem that has not yet be...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Channel allocation was extensively studied in the framework of cellular networks. But the emergence of new system concepts, such as cognitive radio systems, has brought this to...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...