5741 search results - page 126 / 1149 » Accessibility in oriented networks |
158
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TIFS
2010
14 years 10 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...
156
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JSAC
2008
15 years 3 months ago
2008
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
146
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ICWN
2003
15 years 5 months ago
2003
— Most wireless systems receive a license that gives them exclusive access to a block of spectrum. Exclusivity guarantees adequate quality of service, but it also leads to inef...
151
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INFOCOM
2009
IEEE
15 years 10 months ago
2009
IEEE
—We investigate an architecture for multi-Gigabit outdoor mesh networks operating in the unlicensed 60 GHz “millimeter (mm) wave” band. In this band, the use of narrow beams ...
123
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GLOBECOM
2007
IEEE
15 years 10 months ago
2007
IEEE
— In this paper, we propose a novel channel sounding technique, called the multicarrier direct sequence swept time delay cross-correlation (MC-DS-STDCC), which is designed to min...