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dc.contributor.authorBoluda-Ruiz, Rubén 
dc.contributor.authorCastillo-Vázquez, Beatriz 
dc.contributor.authorGarcía-Zambrana, Antonio 
dc.contributor.authorQaraqe, Khalid
dc.date.accessioned2024-09-23T12:45:30Z
dc.date.available2024-09-23T12:45:30Z
dc.date.created2019
dc.date.issued2019
dc.identifier.citationRubén Boluda-Ruiz, Antonio García-Zambrana, Beatriz Castillo-Vázquez, and Khalid Qaraqe, "Secure communication for FSO links in the presence of eavesdropper with generic location and orientation," Opt. Express 27, 34211-34229 (2019) https://doi.org/10.1364/OE.27.034211es_ES
dc.identifier.urihttps://hdl.handle.net/10630/32927
dc.description.abstractWhen the beam waist at the receiver is significantly larger than the receiver size, free-space optical (FSO) links may be vulnerable to some optical tapping risks at the physical layer. In this paper, we conduct a new framework for the analysis of the secrecy performance in terms of the secrecy outage probability (SOP) of FSO systems affected by gamma-gamma (GG) turbulence induced fading channels with pointing errors. As a key feature, we evaluate the SOP in the presence of an external eavesdropper with generic location and orientation. For that reason, a new misalignment error model is proposed to consider a non-orthogonal optical beam with respect to the photodetector plane at the eavesdropper’s receiver, where the effective area is determined by a rotated ellipse. New approximate and asymptotic solutions at high signal-to-noise-ratio (SNR) for the secrecy performance are obtained in closed-form, which are verified by exact Monte Carlo simulations. By using the developed expressions, we analyze in greater detail some effects such as the SNR of the eavesdropper’s channel, the normalized beamwidth at the receiver-side, and the location and orientation of the eavesdropper on the secrecy performance for different turbulence conditions.es_ES
dc.description.sponsorshipQatar National Library (QNL); Ooredoo Research Sponsorship 2015; Texas A&M University at Qatar (TAMUQ) RRSG 2019.es_ES
dc.language.isoenges_ES
dc.publisherOptica Publishing Groupes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.subjectComunicaciones ópticases_ES
dc.subjectTurbulencia atmosféricaes_ES
dc.subject.otherAtmospheric turbulencees_ES
dc.subject.otherFree-space optical communicationes_ES
dc.subject.otherOptical communicationses_ES
dc.titleSecure communication for FSO links in the presence of eavesdropper with generic location and orientationes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.centroE.T.S.I. Telecomunicaciónes_ES
dc.identifier.doihttps://doi.org/10.1364/OE.27.034211
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones_ES


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