Private Broadcasting Over Independent Parallel Channels

Provided by: Institute of Electrical and Electronics Engineers
Topic: Networking
Format: PDF
The authors study private broadcasting of two messages to two groups of receivers over independent parallel channels. One group consists of an arbitrary number of receivers interested in a common message, whereas the other group has only one receiver. Each message must be kept confidential from the receiver(s) in the other group. Each of the sub-channels is degraded, but the order of receivers on each channel can be different. While corner points of the capacity region were characterized in earlier works, they establish the capacity region and show the optimality of a superposition strategy.

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