53 search results - page 6 / 11 » Secure transmission power of cognitive radios for dynamic sp... |
JCM
2006
13 years 7 months ago
2006
Abstract-- Future generations of wireless systems require opportunistic spectrum access techniques to effectively detect and access temporarily unused spectrum bands. Cognitive rad...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...
GLOBECOM
2010
IEEE
13 years 5 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...
WCNC
2010
IEEE
13 years 11 months ago
2010
IEEE
Abstract—In cognitive mobile multihop relay (CMMR) network, the mobile user as the primary user is allocated with the channel for transmitting data. Relay station as the secondar...
ADHOCNETS
2009
Springer
14 years 2 months ago
2009
Springer
A distributed joint routing and spectrum sharing algorithm for video streaming applications over cognitive radio ad hoc networks is proposed in this article. The proposed cross-lay...