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CISS
2010
IEEE
12 years 11 months ago
On performance evaluation of cooperative spectrum sensing in cognitive radio networks
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
Gang Xiong, Shalinee Kishore, Aylin Yener
ADHOCNETS
2009
Springer
14 years 2 months ago
Distributed Spectrum Sharing for Video Streaming in Cognitive Radio Ad Hoc Networks
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...
Lei Ding, Scott Pudlewski, Tommaso Melodia, Stella...
VTC
2008
IEEE
164views Communications» more  VTC 2008»
14 years 1 months ago
Resource Allocation for Downlink Spectrum Sharing in Cognitive Radio Networks
— We consider a resource allocation problem for spectrum sharing in cognitive radio networks. Specifically, we investigate the joint subchannel, rate and power allocation for se...
Patrick Mitran, Long Le, Catherine Rosenberg, Andr...
GLOBECOM
2007
IEEE
14 years 1 months ago
Cognitive Radio Networks: How Much Spectrum Sharing is Optimal?
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...
Sudhir Srinivasa, Syed Ali Jafar