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Rate splitting and sharing for degraded broadcast channel with secrecy outside a bounded range

  • Shaofeng Zou
  • , Yingbin Liang
  • , Lifeng Lai
  • , Shlomo Shamai
  • Syracuse University
  • Worcester Polytechnic Institute
  • Technion-Israel Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

A four-receiver degraded broadcast channel with secrecy outside a bounded range is studied, over which a transmitter sends four messages to four receivers. In the model considered, the channel quality gradually degrades from receiver 4 to receiver 1, and receiver k is required to decode the first k messages for k = 1,⋯, 4. Furthermore, message 3 is required to be secured from receiver 1, and message 4 is required to be secured from receivers 1 and 2. The secrecy capacity region is established. The achievable scheme includes not only superposition, binning and embedded coding used in previous studies, but also rate splitting and sharing particularly designed for this model, which is shown to be critical to further enlarge the achievable region and enable the development of the converse proof.

Original languageEnglish
Title of host publicationProceedings - 2015 IEEE International Symposium on Information Theory, ISIT 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1357-1361
Number of pages5
ISBN (Electronic)9781467377041
DOIs
StatePublished - Sep 28 2015
Event2015 IEEE International Symposium on Information Theory, ISIT 2015 - Hong Kong, China
Duration: Jun 14 2015Jun 19 2015

Publication series

NameIEEE International Symposium on Information Theory - Proceedings
Volume2015-June
ISSN (Print)2157-8095

Conference

Conference2015 IEEE International Symposium on Information Theory, ISIT 2015
Country/TerritoryChina
CityHong Kong
Period06/14/1506/19/15

Keywords

  • Broadcast channel
  • rate sharing
  • rate splitting
  • secrecy capacity

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