476 search results - page 62 / 96 » The Relay Channel with a Wire-tapper |
TCOM
2010
14 years 8 months ago
2010
Abstract—In this paper, we propose a spectrally efficient cooperative transmission protocol for multiple access scenarios. The key feature is to utilize multi-user diversity and...
104
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TWC
2010
14 years 4 months ago
2010
User cooperation, whereby multiple users share their antennas and transmit to a common destination in a collaborative manner, has been shown to be an effective way to achieve spat...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
We investigate secure communications for a four-node relayeavesdropper channel with multiple data stream transmission, assuming that the eavesdropper’s channel state information...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Network coding is an effective method to improving relay efficiency by reducing the number of transmissions. However, its performance is limited by several factors such as packet l...
113
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JSAC
2008
14 years 9 months ago
2008
The problem of transmitting a Gaussian source over a half-duplex fading relay channel with limited channel state feedback is studied. It is shown that under a short-term power cons...