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Broadcast channels with confidential messages

Csiszar, I., Korner, J.·1978·IEEE Transactions on Information Theory

Abstract

Given two discrete memoryless channels (DMC's) with a common input, it is desired to transmit private messages to receiver1rateR_{1}and common messages to both receivers at rateR_{o}, while keeping receiver2as ignorant of the private messages as possible. Measuring ignorance by equivocation, a single-letter characterization is given of the achievable triples(R_{1},R_{e},R_{o})whereR_{e}is the equivocation rate. Based on this channel coding result, the related source-channel matching problem is also settled. These results generalize those of Wyner on the wiretap channel and of Körner-Marton on the broadcast Channel.

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Authors
Csiszar, I., & Korner, J.
Venue
IEEE Transactions on Information Theory
Published
1978-05
Volume
24
Issue
3
Pages
339-348
ISSN
  • 0018-9448 (ISSN-L)
  • 1557-9654
OpenAlex
W2144007657
Cited by
3,332
References
0
FWCI
5.85
Type
journal article
Language
en
Open access
closed

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