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1、254IEEETRANSACTIONSONVEHICULARTECHNOLOGY,VOL.51,NO.2,MARCH2002AeronauticalChannelModelingErikHaas,Member,IEEEAbstract—Aclassofaeronauticalwide-bandchannelmodels.Giventhisassumption,itisisproposed,featuringparkingandtaxienvironments,takeoffsufficienttospecifytheone-dimensional(1-D)Dopplerpowerandla
2、ndingsituations,anden-routescenariosforground–airspectrumandthe1-Ddelaypowerspectrumandair–airlinks.Typicalandworstcaseparametersetsareforthedifferentenvironments.In[4],ithasbeenshownthatsuggested,basedonpublishedmeasurementresultsandempiricaldata.Themodelsaresuitableforchannelemulatorsthatcanthes
3、catteringfunctionisproportionaltothetwo-dimensionalbeeasilyimplementedondigitalcomputersorinhardwareand(2-D)probabilitydensityfunction(pdf)oftheDopplerthusareusefulforthevalidationofdigitalaeronauticallinks.frequenciesandtheechodelays:.GivenAtime-domainandfrequency-domainimplementationofsuchtheset
4、worequisites,itissufficienttospecifythe1-Dproba-achannelemulatorarederived,andresultsforatypicalmulti-bilitydensityfunctionsandtocompileastochasticcarriersystemarepresented.Itisshownthatthescenarioshavedistinguishableperformanceresultsdependingontheunderlyingmodeloftheaeronauticalchannel.maximumra
5、ngesandshapesoftheDoppleranddelayspectraandThewide-bandstochasticmultipathmodelsabovearethepresenceofaline-of-sightpath.Finally,thedegradingeffectssmall-areamodeldescriptionsthatarerepresentativetoeval-ofintersymbolinterferenceandintersubcarrierinterferenceonuate,tovalidate,andtocomparetransmissio
6、nstandards.Bythemulticarriersignalareexplained.definition,theyarevalidwithinafewdozenwavelengthsIndexTerms—Aeronauticalcommunications,channelmodeling,andarecharacterizedbythescatteringfunction.Small-areawide-sensestationaryuncorrelatedscattering(WSSUS).modelscanserveasareferenceforsimulations.Thus
7、,thepurposeofthispaperistodesignasmall-areacharacterizationI.INTRODUCTIONoftheaeronauticalchannel,similartotheprocedurethathasbeenestablishedinconnectionwiththeGlobalSystemforHEdesignofadigitalcommunicationlinkre