593 search results - page 58 / 119 » Cooperation and Cognitive Radio |
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
102
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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...
ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—In order to fully utilize spectrum, auction-based dynamic spectrum allocation has become a promising approach which allows unlicensed wireless users to lease unused bands from s...