233 search results - page 7 / 47 » Stochastic Channel Selection in Cognitive Radio Networks |
ICCCN
2007
IEEE
14 years 1 months ago
2007
IEEE
To improve spectrum efficiency, future wireless devices will use cognitive radios to dynamically access spectrum. While offering great flexibility and softwarereconfigurability...
TMC
2010
13 years 5 months ago
2010
—We consider a point-to-multipoint cognitive radio network that shares a set of channels with a primary network. Within the cognitive radio network, a base station controls and s...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Cognitive radio has been proposed in recent years to promote the spectrum utilization by exploiting the existence of spectrum holes. The heterogeneity of both spectrum availabil...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
Abstract—Market-based mechanisms offer promising approaches for spectrum access in cognitive radio networks. In this paper, we focus on two market models, one with a monopoly pri...