476 search results - page 50 / 96 » The Relay Channel with a Wire-tapper |
VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
—In this paper, we propose a new resource allocation scheme for an OFDMA relay network with multicells. In the proposed scheme, by sharing the channel state information (CSI) bet...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
— This work presents a new amplify-and-forward (AF) cooperative multiple input multiple output (MIMO) transmission scheme based on phase sweep transmit diversity. In a single hop...
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GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
—In this paper, we propose a novel protocol called VC-MAC that utilizes the concept of cooperative communication tailored for vehicular networks, especially for gateway downloadi...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider a wireless multiuser network where a number of source/destination pairs communicate concurrently over the same physical channel. A set of amplify-and-forward relay ...
TWC
2008
14 years 9 months ago
2008
Cooperative diversity systems rely on using relay nodes to relay copies of transmitted information to the destination such that each copy experiences different channel fading, henc...