31 search results - page 5 / 7 » Optimality of Myopic Sensing in Multi-Channel Opportunistic ... |
JSAC
2006
13 years 6 months ago
2006
This tutorial paper overviews recent developments in optimization-based approaches for resource allocation problems in wireless systems. We begin by overviewing important results i...
GLOBECOM
2007
IEEE
14 years 17 days ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
GLOBECOM
2007
IEEE
14 years 17 days 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...
MOBICOM
2009
ACM
14 years 23 days 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...
CORR
2007
Springer
13 years 6 months ago
2007
Springer
—This paper considers the design of efficient strategies that allow cognitive users to choose frequency bands to sense and access among multiple bands with unknown parameters. F...