221 search results - page 5 / 45 » Dynamic spectrum access in open spectrum wireless networks |
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
We propose a spectrum decision protocol resilient to primary user emulation attacks (PUEA) in dynamic spectrum access networks. PUEA is a type of denial-of-service attack that can ...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—In cognitive wireless networks where secondary users (SUs) opportunistically access spectral white spaces of primary users (PUs), there exists an inherent tradeoff between sensi...
MOBIHOC
2009
ACM
15 years 10 months ago
2009
ACM
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...
JSAC
2008
14 years 9 months ago
2008
In order to fully utilize scarce spectrum resources, dynamic spectrum allocation becomes a promising approach to increase the spectrum efficiency for wireless networks. However, th...
SIGMETRICS
2010
ACM
15 years 2 months ago
2010
ACM
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...