简介:Theoutageperformanceofthemultihopfree-spaceoptical(FSO)communicationsystemwithdecode-and-forward(DF)protocolisstudiedbyconsideringthejointeffectsofnonzeroboresightpointingerrorsandatmosphericturbulencemodeledbyexponentiatedWeibull(EW)distribution.Theclosed-formanalyticalexpressionofoutageprobabilityisderived,andtheresultsarevalidatedthroughMonteCarlosimulation.Furthermore,thedetailedanalysisisprovidedtoevaluatetheimpactsofturbulencestrength,receiveraperturesize,boresightdisplacement,beamwidthandnumberofrelaysontheoutageperformanceforthestudiedsystem.