About: Multiple scattering in rain and fog on free-space optical links

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6679219&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel7%2F50%2F4357488%2F06679219.pdf%3Farnumber%3D6679219
Description	The multiple scattering effects of light propagation in rain and fog are investigated by means of numerical Monte Carlo photon propagation simulations. Rain and fog consisting of water droplets are described by realistic drop size distributions with parameters related to physical parameters of hydrometeors such as rain intensity, liquid water content, effective droplet radius of fog and atmospheric visibility. Simulations show that optical attenuation due to rain is about two times lower than predicted by single scattering approach. Fog attenuation is also reduced for the lowest visibilities. An impulse response of optical channel in rain and fog is obtained and the explicit models for the delay spread dependence are provided. Under realistic conditions, the RMS delay spread due to rain on 1 km long FSO path is limited below 10 ps. Moderate and dense fog can cause the delay spread about 50 ps or more. Frequency characteristics of the FSO channel impaired by rain and fog are given. The multiple scattering effects of light propagation in rain and fog are investigated by means of numerical Monte Carlo photon propagation simulations. Rain and fog consisting of water droplets are described by realistic drop size distributions with parameters related to physical parameters of hydrometeors such as rain intensity, liquid water content, effective droplet radius of fog and atmospheric visibility. Simulations show that optical attenuation due to rain is about two times lower than predicted by single scattering approach. Fog attenuation is also reduced for the lowest visibilities. An impulse response of optical channel in rain and fog is obtained and the explicit models for the delay spread dependence are provided. Under realistic conditions, the RMS delay spread due to rain on 1 km long FSO path is limited below 10 ps. Moderate and dense fog can cause the delay spread about 50 ps or more. Frequency characteristics of the FSO channel impaired by rain and fog are given. (en)
Title	Multiple scattering in rain and fog on free-space optical links Multiple scattering in rain and fog on free-space optical links (en)
skos:prefLabel	Multiple scattering in rain and fog on free-space optical links Multiple scattering in rain and fog on free-space optical links (en)
skos:notation	RIV/00177016:_____/14:#0000774!RIV14-GA0-00177016
http://linked.open...avai/predkladatel	Český metrologický institut
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP102/11/1376)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kvičera, Václav Grábner, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Český metrologický institut
http://linked.open...dnocenehoVysledku	31094
http://linked.open...ai/riv/idVysledku	RIV/00177016:_____/14:#0000774
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	free space optics; fog attenuation; rain attenuation; multiple scattering; monte carlo method (en)
http://linked.open.../riv/klicoveSlovo	fog attenuation free space optics multiple scattering monte carlo method rain attenuation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[35AF3175A689]
http://linked.open...i/riv/nazevZdroje	Journal of Lightwave Technology
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of Propagation Impairments on Error Performance of Future Broadband Terrestrial Wireless Systems
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Grábner, Martin Kvičera, Václav
http://linked.open...ain/vavai/riv/wos	000329515500004
issn	0733-8724
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/JLT.2013.2294356

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