简介：Inthispaperthesolar-blindultraviolet(UV)lightisusedascommunicationmediumforwirelesssensornetworks(WSNs).ThreetypesofsinglescatteringUVcommunicationmodelsareintroducedandadirectionalfloodingmodelisproposed,whicharebasedonthedirectionalityoftheUVcommunicationandthetraditionalfloodingroutingmodel.Thedelay,delayjitter,throughputandenergyconsumptionofthethreetypesofcommunicationsofthenewmodelaresimulatedandcompared.Theresultsindicatethattheproposeddirectionalfloodingmodelcaneffectivelyavoidtheunidirectionalityandtheblindnessofthetraditionalfloodingbroadcastmessages.Theenergyconsumptionofnodesinthenetworkisreducedandthelifecycleofthenetworkisextended.
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