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PIMRC
2010
IEEE
13 years 2 months ago
Transmission of common, public and confidential messages in broadcast channels with multiple antennas
Abstract-- We study the Gaussian multiple-input multipleoutput (MIMO) wiretap channel, which consists of a transmitter, a legitimate user, and an eavesdropper. In this channel, the...
Ersen Ekrem, Sennur Ulukus
GLOBECOM
2009
IEEE
13 years 11 months ago
Secure Degrees of Freedom for Gaussian Channels with Interference: Structured Codes Outperform Gaussian Signaling
—In this work, we prove that a positive secure degree of freedom is achievable for a large class of real Gaussian channels as long as the channel is not degraded and the channel ...
Xiang He, Aylin Yener
CORR
2008
Springer
136views Education» more  CORR 2008»
13 years 4 months ago
On the Capacity and Generalized Degrees of Freedom of the X Channel
We explore the capacity and generalized degrees of freedom of the 2-user Gaussian X channel, i.e. a generalization of the 2-user interference channel where there is an independent...
Chiachi Huang, Viveck R. Cadambe, Syed Ali Jafar
CORR
2010
Springer
116views Education» more  CORR 2010»
12 years 11 months ago
New Results on the Capacity of the Gaussian Cognitive Interference Channel
The capacity of the two-user Gaussian cognitive interference channel, a variation of the classical interference channel where one of the transmitters has knowledge of both messages...
Stefano Rini, Daniela Tuninetti, Natasha Devroye
GLOBECOM
2007
IEEE
13 years 11 months ago
Achievable Rates for the Gaussian Interference Relay Channel
—In this paper, an interference relay channel where two independent sources communicate with two destinations by the help of a relay is studied. The relay is full-duplex and emplo...
Onur Sahin, Elza Erkip