3-receiver broadcast channels with common and confidential messages

Authors:
Yeow-Khiang Chia;Abbas El Gamal
Affiliations:
Department of Electrical Engineering, Stanford University, Stanford, CA;Department of Electrical Engineering, Stanford University, Stanford, CA
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 3
Year:
2009

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Secure Broadcasting Over Fading Channels

IEEE Transactions on Information Theory
Discrete Memoryless Interference and Broadcast Channels With Confidential Messages: Secrecy Rate Regions

IEEE Transactions on Information Theory

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Abstract

Achievable secrecy rate regions for the general 3-receiver broadcast channel with one common and one confidential message sets are established. We consider two setups: (i) when the confidential message is to be sent to two of the receivers and the third receiver is an eavesdropper; and (ii) when the confidential message is to be sent to one of the receivers and the other two receivers are eavesdroppers. We show that our secrecy rate regions are optimum for some special cases.