25 search results - page 1 / 5 » Secrecy in Cooperative Relay Broadcast Channels |
CORR
2008
Springer
14 years 9 months ago
2008
Springer
We investigate the effects of user cooperation on the secrecy of broadcast channels by considering a cooperative relay broadcast channel. We show that user cooperation can increase...
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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...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—Given that wireless communication occurs in a shared and inherently broadcast medium, the transmissions are vulnerable to undesired eavesdropping. This occurs even when a point-...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—We consider a source-destination pair that can communicate only through an unauthenticated intermediate relay node. In this two-hop communication scenario, where the cooperation...
TIT
2010
14 years 4 months ago
2010
We consider the communication scenario where a source-destination pair wishes to keep the information secret from a relay node despite wanting to enlist its help. For this scenario...