25 search results - page 1 / 5 » Secrecy in Cooperative Relay Broadcast Channels |
CORR
2008
Springer
13 years 5 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...
ICASSP
2011
IEEE
12 years 8 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
13 years 11 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
13 years 11 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
12 years 11 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...