Polar coding for the multiple access wiretap channel via rate-splitting and cooperative jamming

Remi A. Chou, Aylin Yener

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

    11 Scopus citations

    Abstract

    We consider strongly secure communication over a discrete memoryless multiple access wiretap channel with two transmitters - no degradation or symmetry assumptions are made on the channel. Our main result is that any rate pair known to be achievable with a random coding like proof, is also achievable with a low-complexity polar coding scheme. Moreover, if the rate pair is known to be achievable without time-sharing, then time-sharing is not needed in our polar coding scheme as well. Our proof technique relies on rate-splitting and different cooperative jamming strategies. Specifically, our coding scheme combines several point-to-point codes that either aim at secretly conveying a message to the legitimate receiver or at performing cooperative jamming. Each point-to-point code relies on a chaining construction to be able to deal with an arbitrary channel and strong secrecy. We assess reliability and strong secrecy through a detailed analysis of the dependencies between the random variables involved in the scheme.

    Original languageEnglish (US)
    Title of host publicationProceedings - ISIT 2016; 2016 IEEE International Symposium on Information Theory
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages983-987
    Number of pages5
    ISBN (Electronic)9781509018062
    DOIs
    StatePublished - Aug 10 2016
    Event2016 IEEE International Symposium on Information Theory, ISIT 2016 - Barcelona, Spain
    Duration: Jul 10 2016Jul 15 2016

    Publication series

    NameIEEE International Symposium on Information Theory - Proceedings
    Volume2016-August
    ISSN (Print)2157-8095

    Other

    Other2016 IEEE International Symposium on Information Theory, ISIT 2016
    CountrySpain
    CityBarcelona
    Period7/10/167/15/16

    All Science Journal Classification (ASJC) codes

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

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