156 search results - page 2 / 32 » Opportunistic Spectrum Access for Energy-Constrained Cogniti... |
GLOBECOM
2007
IEEE
13 years 8 months ago
2007
IEEE
We design opportunistic spectrum access strategies for improving spectrum efficiency. In each slot, a secondary user chooses a subset of channels to sense and decides whether to ac...
JCM
2006
13 years 4 months ago
2006
Spectrum regulation will undergo elementary changes in the near future allowing a less restricted and more flexible access to radio spectrum. Intelligent radios, socalled cognitive...
CORR
2011
Springer
12 years 8 months ago
2011
Springer
—The fundamental problem of multiple secondary users contending for opportunistic spectrum access over multiple channels in cognitive radio networks has been formulated recently ...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...