117 search results - page 16 / 24 » Quality-of-Service in Cognitive Radio Networks with Collabor... |
GLOBECOM
2007
IEEE
14 years 5 months ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...
INFOCOM
2012
IEEE
12 years 1 months ago
2012
IEEE
—Collaborative spectrum sensing has been regarded as a promising approach to enable secondary users to detect primary users by exploiting spatial diversity. In this paper, we con...
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...
SIGCOMM
2010
ACM
13 years 11 months ago
2010
ACM
We describe an opportunistic channel access scheme for cognitive radio-enabled secondary nodes (SNs). The proposed scheme uses the residual channel idle time distribution to estim...
MSWIM
2009
ACM
14 years 3 months ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...