123 search results - page 12 / 25 » An outer bound to the capacity region of the broadcast chann... |
CORR
2008
Springer
13 years 7 months ago
2008
Springer
We study the security of communication between a single transmitter and multiple receivers in a broadcast channel in the presence of an eavesdropper. Characterizing the secrecy ca...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— In this paper, multiple access channels are considered in which user data rates increase with the signal-to-noise ratio (SNR). To account for channel estimation errors,...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
We study the two-user Gaussian multiple-input multiple-output (MIMO) broadcast channel with common and confidential messages. In this channel, the transmitter sends a common messag...
CISS
2008
IEEE
14 years 1 months ago
2008
IEEE
—We investigate the effects of user cooperation on the secrecy of multiple access channels with generalized feedback (MAC-GF). We show that cooperation can increase the achievabl...
MOBICOM
2006
ACM
14 years 1 months ago
2006
ACM
In this paper we study the broadcast capacity of multihop wireless networks which we define as the maximum rate at which broadcast packets can be generated in the network such th...