2007 search results - page 13 / 402 » SPECTRUM |
SAC
2009
ACM
14 years 3 months ago
2009
ACM
Spectrum analysis for quality requirements is useful for measuring and tracking them, but current spectrum analysis largely depends on expertise of each analyst. Therefore, it tak...
ICC
2009
IEEE
14 years 3 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...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—The use of licensed spectrum for wireless communication is driven by the need to control interference between different operators. However, with this mode of regulation,...
GLOBECOM
2008
IEEE
13 years 9 months ago
2008
IEEE
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract--Cognitive radio networks require fast and reliable spectrum sensing to achieve high network utilization by secondary users. Current optimization approaches to spectrum se...