82 search results - page 13 / 17 » Cluster-Based Cooperative Spectrum Sensing in Cognitive Radi... |
WCNC
2010
IEEE
14 years 13 days ago
2010
IEEE
Abstract—In this paper two different cognitive radio architectures, i.e. stand-alone and distributed, are proposed for spectrum sensing purposes. In particular, both architecture...
INFOCOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
ASIAMS
2009
IEEE
14 years 3 months ago
2009
IEEE
Cognitive radio has the ability to sense the environment and adapt its behavior to optimize communication features, such as quality of service in the presence of interference and ...
GLOBECOM
2009
IEEE
14 years 3 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...
JSAC
2011
13 years 3 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...