148 search results - page 3 / 30 » Anti-jamming performance of cognitive radio networks |
INFOCOM
2012
IEEE
12 years 12 months ago
2012
IEEE
—The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance m...
INFOCOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices—such as wireless microphones (WMs)— is a challenging, but very important, problem that has n...
INFOCOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
We consider the channel selection problem in a cognitive radio network with heterogenous channel availabilities at different nodes. We formulate the maximum channel selection (MCS)...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...