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dc.contributor.authorArafa, Ahmed
dc.contributor.authorPanayirci, Erdal
dc.contributor.authorPoor, H. Vincent
dc.date.accessioned2021-03-11T12:03:08Z
dc.date.available2021-03-11T12:03:08Z
dc.date.issued2019-06
dc.identifier.citationArafa, A., Panayirci, E., & Poor, H. V. (2019). Relay-Aided Secure Broadcasting for Visible Light Communications. IEEE Transactions on Communications, 67(6), 4227–4239. doi:10.1109/tcomm.2019.2900632
dc.identifier.issn0090-6778
dc.identifier.issn1558-0857
dc.identifier.doi10.1109/tcomm.2019.2900632
dc.identifier.urihttp://hdl.handle.net/10754/668092
dc.description.abstractA visible light communication broadcast channel is considered, in which a transmitter luminaire communicates with two legitimate receivers in the presence of an external eavesdropper. A number of trusted cooperative half-duplex relay luminaires are deployed to aid with securing the transmitted data. Transmitters are equipped with single light fixtures, containing multiple light emitting diodes, and receiving nodes are equipped with single photo-detectors, rendering the considered setting as a single-input single-output system. Transmission is amplitude-constrained to maintain operation within the light emitting diodes' dynamic range. Achievable secrecy rate regions are derived under such amplitude constraints for this multi-receiver wiretap channel, first for direct transmission without the relays, and then for multiple relaying schemes: cooperative jamming, decode-and-forward, and amplify-and-forward. Superposition coding with uniform signaling is used at the transmitter and the relays. Further, for each relaying scheme, secure beamforming vectors are carefully designed at the relay nodes in order to hurt the eavesdropper and/or benefit the legitimate receivers. Superiority of the proposed relaying schemes, with secure beamforming, is shown over direct transmission. It is also shown that the best relaying scheme depends on how far the eavesdropper is located from the transmitter and the relays, the number of relays, and their geometric layout.
dc.description.sponsorshipThis research was supported in part by the U.S. National Science Foundation under Grant CCF-093970 and Grant CCF1513915. Erdal Panayirci has been supported by the Turkish Scientific and Research Council (TUBITAK) under the 1003 Primary Subjects R&D Funding Program, and in part by KAUST under Grant No. OSR-2016-CRG5-2958-02. This paper was presented in part at the IEEE Global Conference on Signal and Information Processing, Anaheim, CA, USA, November, 2018 [1]. The associate editor coordinating the review of this paper and approving it for publication was W. Xu
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urlhttps://ieeexplore.ieee.org/document/8649747/
dc.rights(c) 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
dc.titleRelay-Aided Secure Broadcasting for Visible Light Communications
dc.typeArticle
dc.identifier.journalIEEE Transactions on Communications
dc.eprint.versionPost-print
dc.contributor.institutionElectrical Engineering Department, Princeton University, Princeton, NJ, USA
dc.contributor.institutionDepartment of Electrical and Electronics Engineering, Kadir Has University, Istanbul, Turkey
dc.identifier.volume67
dc.identifier.issue6
dc.identifier.pages4227-4239
dc.identifier.arxivid1809.03479
kaust.grant.numberOSR-2016-CRG5-2958-02
dc.identifier.eid2-s2.0-85067577340
kaust.acknowledged.supportUnitCCF
kaust.acknowledged.supportUnitCRG
kaust.acknowledged.supportUnitOSR


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