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AuthorTouati A.
AuthorTouati F.
AuthorAbdaoui A.
AuthorKhandakar A.
AuthorBouallegue A.
Available date2022-05-22T11:03:06Z
Publication Date2018
Publication NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
ResourceScopus
Identifierhttp://dx.doi.org/10.1007/978-3-030-02849-7_4
URIhttp://hdl.handle.net/10576/31434
AbstractFree space optical (FSO) transmission is a technology which uses a narrow laser beam to transmit the signal from the source to the destination through the free space. Although it has various advantages, a laser beam propagating through the atmosphere is subjected to different kind of disturbances causing the attenuation of the signal and, in some extreme conditions, leading to the link outage. In fact, the atmospheric turbulences and the chemical nature of the medium is the main source of link attenuation. In this paper, we present the different challenges of FSO communications: absorption, pointing errors, atmospheric turbulence and scattering phenomenon. Moreover, based on the strength of turbulences, we will detail the FSO channel modeling. Then, we introduce some techniques to overcome the weakness presented by FSO link under different strength of atmospheric turbulences.
Languageen
PublisherSpringer Verlag
SubjectAbsorption
Atmospheric chemistry
Atmospheric thermodynamics
Laser beams
Light propagation
Light transmission
Optical communication
Ubiquitous computing
Chemical nature
Extreme conditions
Free Space Optical communication
Free-space optical
FSO communications
Misalignment
Pointing errors
Scattering phenomenon
Atmospheric turbulence
TitleProspects and challenges of free space optical communications
TypeConference Paper
Pagination40-48
Volume Number11277 LNCS
dc.accessType Abstract Only


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