593 search results - page 19 / 119 » Cooperation and Cognitive Radio |
JSAC
2011
14 years 4 months ago
2011
Abstract—Cognitive radio is a promising technology for fulfilling the spectrum and service requirements of future wireless communication systems. Real experimentation is a key f...
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—This paper identifies important features a cognitive radio framework should provide, namely a virtual architecture ware abstraction, an adaptive run-time system for managing co...
84
Voted
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...
TWC
2011
14 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...
66
Voted
GLOBECOM
2010
IEEE
14 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...