On the second order statistics of N-Hop FSO communications over N-gamma-gamma turbulence induced fading channels

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dc.contributor.author Stefanovic, Caslav
dc.contributor.author Panic, Stefan
dc.contributor.author Djosic, Danijel
dc.contributor.author Milic, Dejan
dc.contributor.author Stefanovic, Mihajlo
dc.date.accessioned 2021-03-24T16:17:43Z
dc.date.accessioned 2021-03-25T14:58:49Z
dc.date.available 2021-03-24T16:17:43Z
dc.date.issued 2021-04
dc.identifier.bibliographicCitation Physical Communication, Vol. 45, April 2021, 101289, 11 pp.
dc.identifier.issn 1874-4907
dc.identifier.issn 1876-3219 (online)
dc.identifier.uri http://hdl.handle.net/10016/32219
dc.description.abstract The paper explores N-hop FSO communications assisted by amplify-and-forward relays (AFRs) over N-gamma-gamma (N-gg) turbulence induced (TI) fading channels. We model TI fading signal as the product of independent but not necessarily identically distributed (i.n.i.d) N number of gg random processes (RPs) in order to address N-hop AFR FSO communications in moderate to strong TI fading conditions. The closed form statistical measures such as: probability density function (PDF), cumulative distribution function (CDF), average level crossing rate (LCR) and average fade duration (AFD) approximated by general Laplace integration formula (LIF) and exponential LIF are derived. The CDF and AFD derived expressions are in terms of finite sums and valid only for an integer value of the parameter related to small-scale atmospheric cells in the first link of N-hop AFR FSO system. The numerical examples for moderate to strong TI fading conditions as well as for various number of hops for the proposed N-hop AFR FSO systems are presented and discussed. Moreover, LIF approximate numerical results are compared with numerical results evaluated from exact integral expressions for the observed system model parameters.
dc.description.sponsorship Caslav Stefanovic would like to acknowledge CONEX-Plus project. The CONEX-Plus has received research funding from UC3M and the European Unio's Horizon 2020 programme under the Marie Sklodowska-Curie grant agreement No 801538. The authors would like also to acknowledge the COST Action 16220.
dc.format.extent 11
dc.language.iso eng
dc.publisher Elsevier B.V.
dc.rights © 2021 Elsevier B.V. All rights reserved.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other FSO
dc.subject.other Gamma-gamma
dc.subject.other Laplace approximation
dc.subject.other Multi-Hop relaying
dc.subject.other Second order statistics
dc.title On the second order statistics of N-Hop FSO communications over N-gamma-gamma turbulence induced fading channels
dc.type article
dc.subject.eciencia Física
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi https://doi.org/10.1016/j.phycom.2021.101289
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/801538/ CONEX-Plus
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 1
dc.identifier.publicationissue 101289
dc.identifier.publicationlastpage 11
dc.identifier.publicationtitle Physical Communication
dc.identifier.publicationvolume 45
dc.identifier.uxxi AR/0000027171
carlosiii.embargo.liftdate 2023-04-01
carlosiii.embargo.terms 2023-04-01
dc.contributor.funder European Commission
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