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1、BodyAreaNetworks:RadioChannelModellingandPropagationCharacteristicsAasthaGupta,ThusharaD.AbhayapalaDepartmentofInformationEngineeringResearchSchoolofInformationSciencesandEngineeringAustralianNationalUniversityCanberra,ACT0200Australiaaastha.gupta@rsise.anu.edu.au,thushara.abhayapa
2、la@anu.edu.auAbstract—Manycurrentandfuturewirelessdevicesarewear-andrelateddevicessuchasHuman++[1],Memswear[2],ableandusethehumanbodyasacarrier.ThishasmadethebodyMotes[3]andAmbulantmonitoring[4].AsBANdealswithanimportantpartofthetransmissionchannelofthesewirelessconnectingthebodyto
3、wirelessdevices,ithasapplicationsindevices.Inclusionofthebodyasatransmissionchannelwillseenumerousotherareasaswell;suchas,sports,entertainmentfuturewirelessnetworksrelyheavilyonBodyAreaNetworks(BAN).BANwillbeusednotonlyinmedicalapplicationsbutanddefenceforces.alsoinpersonalareanetw
4、orkapplications.InordertobuildTobuildanywirelessdevice,thefirstessentialstepisBANdevices,itisimperativetomodelthechannelaccurately.tostudythetransmissionchannelandmodelitaccurately.Channelmeasurementsareimportant,however,acloserlookonInthisattempt,afewresearchgroupsthroughouttheworl
5、dthebodychannelcanonlybeattainedthroughElectromagnetichaveinitiatedchannelmodelling[5].Theyhaveperformed(EM)propagationmodelling.ThispaperpresentsananalyticalEMchannelmodelforBAN.Specifically,thedyadicGreen’smeasurementcampaignsandpathlossstudiesforwirelessfunctionforacylindricalhum
6、anbodymodelisusedtoproposenodesonthebody[6],[7],[8],[9],[10],[11],[12].Someasimplechannelmodel.Fourpossiblecasesareconsidered,wherehavealsoconsideredimplanteddevices,anareaofBANthetransmitterandreceiverareeitherinsideoroutsidethebody.calledIntra-bodyCommunication[13].Duetotheshort-
7、rangeAnexactanalyticalexpressionisderivedforthecasewherebothlowdata-ratecommunicationinBANscenarios,measurementthetransmitterandreceiverareoutsidethebody.ThiscaseisthenusedtoshowhowthereceivedsignalpowervariesaroundgroupshaveconsideredUWBastheappropriateair-interface.thebody,withth
8、ereceiverataconstantradial
