161 search results - page 5 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...
JSAC
2011
14 years 4 months ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...
TWC
2010
14 years 4 months ago
2010
In this paper, optimal multi-channel cooperative sensing strategies in cognitive radio networks are investigated. A cognitive radio network with multiple potential channels is cons...
PIMRC
2008
IEEE
15 years 3 months ago
2008
IEEE
—One of the major challenges in designing cellular Cognitive Radio (CR) networks is the avoidance of Secondary User (SU) interference to so called Primary Users (PUs) operating i...
GLOBECOM
2007
IEEE
15 years 3 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 ...