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147
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— In cognitive radio networks, the secondary network (users) are allowed to utilize the frequency bands of primary network (users) when they are not currently being used. To supp...
135
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— The wireless medium contains domain-specific information that can be used to complement and enhance traditional security mechanisms. In this paper we propose ways to e...
132
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
We consider a single-cell multiple-input multiple-output (MIMO) downlink channel where linear transmission and reception strategy is employed. The base station (BS) transmitter is...
139
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
—Limited spectrum resources, inefficient spectrum usage and increasing wireless communication necessitates a paradigm shift from the current fixed spectrum management policy to...
154
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ICDCS
2007
IEEE
15 years 10 months ago
2007
IEEE
Application-layer overlay networks have recently emerged as a promising solution for live media multicast on the Internet. A tree is probably the most natural structure for a mult...