268 search results - page 1 / 54 » On the Utilization of Spectrum Opportunity in Cognitive Radi... |
GLOBECOM
2009
IEEE
14 years 1 days 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...
IWCMC
2010
ACM
13 years 7 months ago
2010
ACM
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
INFOCOM
2011
IEEE
12 years 8 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...
TCOM
2010
13 years 3 months ago
2010
Abstract—Cognitive radio technologies have become a promising approach to efficiently utilize the spectrum. Although many works have been proposed recently in the area of cognit...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
With the employment of cognitive radio technology, dynamic spectrum management has the potential to solve the underused spectrum problem. In this paper, we introduce and compare tw...