332 search results - page 4 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
GLOBECOM
2007
IEEE
14 years 4 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...
JSAC
2008
13 years 9 months ago
2008
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
GLOBECOM
2010
IEEE
13 years 7 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...
INFOCOM
2012
IEEE
12 years 7 days ago
2012
IEEE
—Recent advances in cognitive radio (CR) technology have brought about a number of wireless standards that support opportunistic access to available white-space spectrum. Address...
TWC
2008
13 years 9 months ago
2008
We consider a secondary usage of spectrum scenario where a secondary network coexists and/or shares the radio spectrum with a primary network to which the spectrum is licensed. The...