Secure degrees of freedom of N ×n ×m wiretap channel with a K-antenna cooperative jammer

Mohamed Nafea, Aylin Yener

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

    10 Citations (Scopus)

    Abstract

    The secure degrees of freedom (s.d.o.f.) of a multiantenna Gaussian wiretap channel with N antennas at the transmitter and receiver and an arbitrary number of antennas, M, at the wiretapper is characterized when a multiantenna cooperative jammer (CJ) is available as a helper. This generalizes our previous result that assumed the same number of antennas at the eavesdropper as the legitimate parties. In particular, for arbitrary values of N andM, the s.d.o.f. is derived for all possible values of the number of antenna at the CJ, K. The achievability is based on a variety of signalling, beamforming, and alignment techniques which vary according to the value of K, whether M is larger than, smaller than, or equal to N, and whether the s.d.o.f. is integer valued or not an integer. The converse is based on combining an upper bound for the s.d.o.f. which allows for cooperation between the transmitter and CJ and holds for some values of K, with another upper bound which exploits the secrecy and reliability constraints and holds for other values of K.

    Original languageEnglish (US)
    Title of host publication2015 IEEE International Conference on Communications, ICC 2015
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages4169-4174
    Number of pages6
    Volume2015-September
    ISBN (Electronic)9781467364324
    DOIs
    StatePublished - Sep 9 2015
    EventIEEE International Conference on Communications, ICC 2015 - London, United Kingdom
    Duration: Jun 8 2015Jun 12 2015

    Other

    OtherIEEE International Conference on Communications, ICC 2015
    CountryUnited Kingdom
    CityLondon
    Period6/8/156/12/15

    Fingerprint

    Antennas
    Transmitters
    Beamforming

    All Science Journal Classification (ASJC) codes

    • Computer Networks and Communications
    • Electrical and Electronic Engineering

    Cite this

    Nafea, M., & Yener, A. (2015). Secure degrees of freedom of N ×n ×m wiretap channel with a K-antenna cooperative jammer. In 2015 IEEE International Conference on Communications, ICC 2015 (Vol. 2015-September, pp. 4169-4174). [7248977] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICC.2015.7248977
    Nafea, Mohamed ; Yener, Aylin. / Secure degrees of freedom of N ×n ×m wiretap channel with a K-antenna cooperative jammer. 2015 IEEE International Conference on Communications, ICC 2015. Vol. 2015-September Institute of Electrical and Electronics Engineers Inc., 2015. pp. 4169-4174
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    Nafea, M & Yener, A 2015, Secure degrees of freedom of N ×n ×m wiretap channel with a K-antenna cooperative jammer. in 2015 IEEE International Conference on Communications, ICC 2015. vol. 2015-September, 7248977, Institute of Electrical and Electronics Engineers Inc., pp. 4169-4174, IEEE International Conference on Communications, ICC 2015, London, United Kingdom, 6/8/15. https://doi.org/10.1109/ICC.2015.7248977

    Secure degrees of freedom of N ×n ×m wiretap channel with a K-antenna cooperative jammer. / Nafea, Mohamed; Yener, Aylin.

    2015 IEEE International Conference on Communications, ICC 2015. Vol. 2015-September Institute of Electrical and Electronics Engineers Inc., 2015. p. 4169-4174 7248977.

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

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    Nafea M, Yener A. Secure degrees of freedom of N ×n ×m wiretap channel with a K-antenna cooperative jammer. In 2015 IEEE International Conference on Communications, ICC 2015. Vol. 2015-September. Institute of Electrical and Electronics Engineers Inc. 2015. p. 4169-4174. 7248977 https://doi.org/10.1109/ICC.2015.7248977