593 search results - page 73 / 119 » Cooperation and Cognitive Radio |
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— In this paper, we investigate the outage performance of cognitive wireless relay networks where source nodes communicate to their destinations via multiple hops facilitated by ...
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WOWMOM
2009
ACM
15 years 4 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
PERCOM
2009
ACM
15 years 4 months ago
2009
ACM
—The primary function of a cognitive radio is to detect idle frequencies or sub-bands, not used by the primary users (PUs), and allocate these frequencies to secondary users. The...
ICSE
2008
IEEE-ACM
15 years 9 months ago
2008
IEEE-ACM
Substantial effort in the development of any large system is invested in testing. Studies of testing tend to be either technical or concerned with the cognitive ability of testers...
EJWCN
2010
14 years 4 months ago
2010
The spectrum scarcity problem emerged in recent years, due to unbalanced utilization of RF (radio frequency) bands in the current state of wireless spectrum allocations. Spectrum a...