332 search results - page 31 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
CORR
2008
Springer
14 years 9 months ago
2008
Springer
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
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Voted
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
ADHOCNETS
2009
Springer
15 years 4 months ago
2009
Springer
A distributed joint routing and spectrum sharing algorithm for video streaming applications over cognitive radio ad hoc networks is proposed in this article. The proposed cross-lay...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
Abstract--We consider power control in cognitive radio networks where secondary users identify and exploit instantaneous and local spectrum opportunities without causing unacceptab...