17 search results - page 2 / 4 » Opportunistic Scheduling with Reliability Guarantees in Cogn... |
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...
MOBICOM
2009
ACM
13 years 11 months ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Cognitive radio presents a new approach to wireless spectrum utilization and management. In this work, the potential performance improvement gained by applying cognitive radio t...
TWC
2008
13 years 5 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...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...