16 search results - page 3 / 4 » Sensing and Communication Tradeoff for Cognitive Access of C... |
GLOBECOM
2009
IEEE
13 years 2 months ago
2009
IEEE
Primary user emulation attack in multichannel cognitive radio systems is discussed. An attacker is assumed to be able to send primary-user-like signals during spectrum sensing peri...
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...
WICOMM
2010
13 years 3 months ago
2010
The rapid proliferation of wireless systems makes interference management more and more important. This paper presents a novel cognitive coexistence framework, which enables an in...
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...