199 search results - page 7 / 40 » Multiple antenna spectrum sensing in cognitive radios |
88
Voted
GLOBECOM
2009
IEEE
15 years 4 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...
INFOCOM
2011
IEEE
14 years 28 days 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...
94
Voted
MOBICOM
2009
ACM
15 years 4 months ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— In cognitive radio systems, secondary users can be coordinated to perform cooperative spectrum sensing so as to detect the primary user more accurately. However, when the sensi...