314 search results - page 4 / 63 » Trusted cognitive radio networking |
TSP
2011
13 years 4 months ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
TWC
2011
13 years 4 months ago
2011
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
In this paper, we propose a cognitive transmission scheme with the best relay selection in a multiple-relay cognitive radio network to improve the secondary transmission performanc...
CISS
2008
IEEE
14 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...
INFOCOM
2008
IEEE
14 years 4 months ago
2008
IEEE
—Cognitive radio presents a new approach to wireless spectrum utilization and management. In this work, the potential performance improvement gained by applying cognitive radio t...