Secrecy performance of a keyhole-based multi-user system with multiple eavesdroppers

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dc.contributor.authorAlam, Parwezen
dc.contributor.authorDubey, Ankiten
dc.contributor.authorMoualeu, Jules M.en
dc.contributor.authorNgatched, Telex M. N.en
dc.contributor.authorKundu, Chinmoyen
dc.contributor.funderResearch Irelanden
dc.contributor.funderMinistry of Electronics and Information technologyen
dc.date.accessioned2025-11-26T14:35:54Z
dc.date.available2025-11-26T14:35:54Z
dc.date.issued2025-09-30en
dc.description.abstractThis paper investigates the secrecy performance of a keyhole-aided multi-user communication network in the presence of multiple eavesdroppers. The communication happens through the same keyhole for legitimate users and eavesdroppers. In this context, the secrecy performance is evaluated for a user scheduling technique by obtaining the exact closed-form expression of secrecy outage probability (SOP). Further, a simplified asymptotic SOP expression is derived assuming high signal-to-noise ratio (SNR) scenario for a better understanding of the impact of system parameters. The effect of the keyhole parameters, number of users, number of eavesdroppers, and threshold secrecy rate on the SOP performance are also investigated for the considered system model. In the high-SNR regime, the asymptotic SOP saturates to a constant value and does not depend on the keyhole parameter and the channel parameter of the source-to-keyhole channel.en
dc.description.sponsorshipMinistry of Electronics and Information Technology (L14011/29/2021-HRD); Research Ireland (22/PATH-S/10788)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationAlam, P., Dubey, A., Moualeu, J. M., Ngatched, T. M. N. and Kundu, C. (2025) 'Secrecy performance of a keyhole-based multi-user system with multiple eavesdroppers', 2025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring), Oslo, Norway, 17-20 June 2025, pp. 1-5. https://doi.org/10.1109/VTC2025-Spring65109.2025.11174874en
dc.identifier.doi10.1109/vtc2025-spring65109.2025.11174874en
dc.identifier.eissn2577-2465en
dc.identifier.endpage5en
dc.identifier.isbn979-8-3315-3147-8en
dc.identifier.isbn979-8-3315-3148-5en
dc.identifier.issn1090-3038en
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/18282
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.ispartof2025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring), Oslo, Norway, 17-20 June 2025en
dc.rights© 2024, IEEE. For the purpose of Open Access, the author has applied a CC BY public copyright license to any Author Accepted Manuscript version arising from this submission.en
dc.subjectAsymptotic analysisen
dc.subjectKeyholeen
dc.subjectPhysical layer securityen
dc.subjectSecrecy outage probabilityen
dc.titleSecrecy performance of a keyhole-based multi-user system with multiple eavesdroppersen
dc.typeConference itemen
dc.typeproceedings-articleen
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