Secrecy Capacity Region of Binary and Gaussian Multiple Access Channels

Details Secrecy Capacity Region of Binary and Gaussian Multiple Access Channels Secrecy Capacity Region of Binary and Gaussian Multiple Access Channels

2007-08-20

arxiv.org/abs/0708.2732v1

Computer Science

Information Theory

In Proceedings of the 44th Annual Allerton Conference on Communication, Control and Computing, University of Illinois, Montice

Scientific paper

A generalized multiple access channel (GMAC) with one confidential message set is studied, where two users (users 1 and 2) attempt to transmit common information to a destination, and user 1 also has confidential information intended for the destination. Moreover, user 1 wishes to keep its confidential information as secret as possible from user 2. A deterministic GMAC is first studied, and the capacity-equivocation region and the secrecy capacity region are obtained. Two main classes of the GMAC are then studied: the binary GMAC and the Gaussian GMAC. For both channels, the capacity-equivocation region and the secrecy capacity region are established.

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