Channel Modeling for Vehicle-to-Vehicle Communications

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1、MATOLAKLAYOUT4/28/0812:03PMPage76TOPICSINAUTOMOTIVENETWORKINGChannelModelingforVehicle-to-VehicleCommunicationsDavidW.Matolak,OhioUniversityABSTRACTWLANstandards,thestandardin[1]specifiesthetransmissionschemeatthelowertwolayersPhysicallayerchannelmodelingiscriticalforofthecommunicationsprotocolstac

2、k.YetasdesignandperformanceevaluationatmultiplenewV2Vapplicationsarise,newerstandardstolayersofthecommunicationsprotocolstack.Insupporttheseapplicationsmaybeneeded.Thus,thisarticlewedescribeandprovideresultsfornewerschemessuchastheIEEE802.16ewire-modelingvehicle-to-vehicle(V2V)wirelesschan-lessmetr

3、opolitanarea(WMAN)standardmaynels.V2Vsettingsproducesomeuniquecondi-seeapplication.Theindustry-developedsetoftions,andduetotheseconditions,V2Vchannelstechnologiesthatwillimplementasubsetoftheoftenexhibitgreaterdynamicsthanmanycon-largenumberofconfigurationsofthe802.16eventionalchannelsand,inadditio

4、n,canalsostandardisoftenreferredtoasWiMAX.Someexhibitmoreseverefading.Thus,newchannelpotentialadvantagesof802.16eoverthemodi-modelsareneededtocharacterizethissettinginfied802.11astandardinV2Venvironmentsareordertoevaluatecontendingtransmissionitshigherdatarate,fastfeedbackchannelforschemesandaidinV

5、2Vcommunicationsystemmitigatingfading,andstrongerforwarderrordesign.Abriefreviewofkeystatisticalchannelcorrection(FEC)codingforbetterperformance.parametersisprovided.ThenbothanalyticalandItisalsopossiblethatotherstandardsmaybeexperimentalV2VchannelresultsarepresentedappliedinfutureV2Vsettings.fromt

6、heexistingliterature,andfromourownRegardlessofthetransmissiontechniquemeasurementandmodelingcampaignsforthe5employed,knowledgeofthewirelesschannelisGHzband.WealsoshowtheeffectsofthesevitaltotheoptimaldesignandperformanceofV2VchannelsontwotypesoftransmissionanyV2Vcommunicationsystem[5].Itiswellschem

7、es.knownthatmathematicalchannelcharacteriza-tionresultsprovidefundamentalknowledgeforINTRODUCTIONallcommunicationsystemphysicallayerwave-formdesignandanalysis.TheuseofthoroughVehicle-to-vehicle(V2V)communic