161 search results - page 19 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
VTC
2008
IEEE
15 years 3 months ago
2008
IEEE
— 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...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
— In this paper, we study the weighted sum rate maximization of multicell cellular cognitive radio networks (CRNs) which are overlaid with multicell primary radio networks (PRNs)...
TIT
2011
14 years 4 months ago
2011
—Maximization of the weighted sum-rate of secondary users (SUs) possibly equipped with multiantenna transmitters and receivers is considered in the context of cognitive radio (CR...
101
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SECON
2010
IEEE
14 years 7 months ago
2010
IEEE
Market mechanisms have been exploited as important means for spectrum acquisition and access in cognitive radio networks. In this paper, we propose a two-tier market for decentrali...
99
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ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
— Spectrum handoff occurs when the primary users appear in the licensed band occupied by the secondary users. Spectrum handoff procedures aim to help the secondary users to vacat...