117 search results - page 17 / 24 » Quality-of-Service in Cognitive Radio Networks with Collabor... |
VTC
2008
IEEE
14 years 5 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...
IWCMC
2010
ACM
14 years 3 months ago
2010
ACM
The first step required by the process of cognition is the intelligent observation of the environment that surrounds the actors of such a process. We present the CalRAdio-Based a...
PERCOM
2009
ACM
14 years 5 months ago
2009
ACM
—The primary function of a cognitive radio is to detect idle frequencies or sub-bands, not used by the primary users (PUs), and allocate these frequencies to secondary users. The...
MOBIHOC
2007
ACM
14 years 10 months ago
2007
ACM
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend...
GLOBECOM
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...