593 search results - page 82 / 119 » Cooperation and Cognitive Radio |
WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
—The provision of very high data rates in a ubiquitous manner throughout the service area is a great challenge for 4G and beyond-4G wireless networks. Towards that end, the deplo...
CHI
2006
ACM
15 years 10 months ago
2006
ACM
This paper gives an overview of RadioActive, a largescale asynchronous audio messaging platform for mobile devices. It supports persistent chat spaces that allow users to engage i...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...
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JCM
2006
14 years 9 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...
ICC
2011
IEEE
13 years 9 months ago
2011
IEEE
—Spectrum awareness is one of the most challenging requirements in cognitive radio (CR). To adequately adapt to the changing radio environment, it is necessary for the CR to be a...