An achievable rate region for discrete memoryless broadcast channels with confidential messages

Yi Cao, Biao Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

In this paper, we consider non-degraded discrete memoryless broadcast channels where two private messages as well as a common message are transmitted at rate R1, R2 and R0 respectively. The common message is for both receivers to decode; the private message is only for its intended receiver of which the other receiver shall be kept as ignorant as possible. Measuring ignorance by equivocation, we propose an achievable rate region (R1, R2, R0, Re1_, R e2) for this channel where Re1 and Re2 are the equivocation rates for the two receivers respectively. This result generalizes Csiszar and Korner's capacity region for broadcast channels with single private message, Liu et al's result for broadcast channels with perfect secrecy, Gel'fand and Pinsker's achievable rate region for broadcast channels with common message, and Marton's achievable rate region for general broadcast channels.

Original languageEnglish (US)
Title of host publicationProceedings - 2008 IEEE International Symposium on Information Theory, ISIT 2008
Pages2207-2211
Number of pages5
DOIs
StatePublished - Sep 29 2008
Event2008 IEEE International Symposium on Information Theory, ISIT 2008 - Toronto, ON, Canada
Duration: Jul 6 2008Jul 11 2008

Publication series

NameIEEE International Symposium on Information Theory - Proceedings
ISSN (Print)2157-8101

Other

Other2008 IEEE International Symposium on Information Theory, ISIT 2008
CountryCanada
CityToronto, ON
Period7/6/087/11/08

Keywords

  • Broadcast channel
  • Confidential message
  • Equivocation rate

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Information Systems
  • Modeling and Simulation
  • Applied Mathematics

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  • Cite this

    Cao, Y., & Chen, B. (2008). An achievable rate region for discrete memoryless broadcast channels with confidential messages. In Proceedings - 2008 IEEE International Symposium on Information Theory, ISIT 2008 (pp. 2207-2211). [4595382] (IEEE International Symposium on Information Theory - Proceedings). https://doi.org/10.1109/ISIT.2008.4595382