TR26.985V0.8.6(2019-01)Vehicle-to-everything(V2X)Mediahandlingandinteraction.docx

3GPPTR26.985VO.8.6(2019-01)TechnicalReport3rdGenerationPartnershipProject;TechnicalSpecificationGroupServicesandSystemAspects;Vehicle-to-everything(V2X);Mediahandlingandinteraction(Release15)35曾Thepresentdocumenthasbeendevelopedwithinthe3rdGenerationPartnershipProject(3GPP)andmaybefurtherelaboratedforthepurposesof3GPP.Thepresentdocumenthasnotbeensubjecttoanyapprovalprocessbythe3GPPOrganizationalPartnersandshallnotbeinplennted.ThisReportisprovidedforfuturedevelopmentworkwithin3GPPonly.TheOrganizationalPartnersacceptnoliabilityforanyuseofthisSpecificaiion.SpecificationsandReportsforimplementationofthe3GPPn4systemshouldbeobtainedviathe3GPPOrganizationalPartners'PublicationsOffices.KeywordsV2X,V2N,V2l.V2V,VaD,RSU,MTSI,MBMS1FLUS,PC5,ADAS3GPPPostaladdress3GPPSUPPOrtOffiCeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716Internethttp:WWW.30pdorCOPyrigMNOtifiCatiOnNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©2017,3GPPOrganizationalPartners(ARIB,ATIS,CCSA.ETSLTSDSI,TTA,TTC).Allrightsreserved.UMTSisaTradeMarkofETSIregisteredforthebenefitofitsmembers3GPPisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartnersLTEisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartnersGSM®andtheGSMlogoareregisteredandownedbytheGSMAssociationContentsForeword4Introduction41 Scope52 References53 Definitions,symbolsandabbreviations63.1 Definitions63.2 Symbols73.3 Abbreviations74 V2Xoverview75 MediausecasesinV2X766.16.26.3SystemarchitectureGeneralSystemTerminal7 Protocols157.1 General157.2 Uplink157.3 Downlink157.4 Directlink158 Mediaconsideration158.1 General158.2 Video159 Sensorsharingofobjectinformation169.1 On-goingwork169.2 Exampleobjects179.3 Considerations18Annex<A>:<Annextitle>19A.lHeadinglevelsinanannex19Annex<X>:Changehistory20ForewordThisTechnicalReporthasbeenproducedbythe3rdGenerationPartnershipProject(3GPP).ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithintheTSGandmaychangefollowingformalTSGapproval.ShouldtheTSGmodifythecontentsofthepresentdocument,itwillbere-releasedbytheTSGwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Versionx.y.zwhere:xthefirstdigit:1 presentedtoTSGforinformation;2 presentedtoTSGforapproval;3 orgreaterindicatesTSGapproveddocumentunderchangecontrol.ytheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.zthethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthedocument.IntroductionWithconnectedcaroftenconsideredasoneofkeyapplicationsof5G,3GPPhasbeenworkingonthefeaturesandrequiredtechnologiesofvehicle-to-ever>,thing(V2X),inwhichcoordinatedeffortsaremadebyvehiclesandnetworkstorealizeadvanceddriverassistancesystems(ADAS)orself-drivingvehicles.TheinitialworksonV2Xfocusedontheexchangeordeliveryofshortcontrolmessagestoavoidcollision,anddidnotconsiderthefunctionalitiesrequiredforadvancedconnectedcars.However,theusecasesforadvanceddrivingofeV2X,specifiedinTR22.886,includevariousscenariosincludingmedia,suchasvideoandsensordata.Althoughmoreadvancedtransmissioncapabilitiesarerequired,mediacanovercomethelimitationsofcodedmessagesthatmightnotbeabletodescribearbitrarysituationsontheroad,andcanbeamoreintuitivesourceofinformationforthedecisionofdriverorartificialintelligence,e.g.,byprovidingvisualinformationthatcannotbeprovidedbytheonboardcamerasorsensorsofvehicleswithlimitedcoverageoraccuracy.Strongtolerancetothevarianceofweatherisanotheradvantageofmedia-basedV2Xthatcanexploitthepoint-to-pointtransmissionormulticasting/broadcastingcapabilityof3GPPradioaccess.1 ScopeInthepresentdocument,media-relatedusecasesofV2XdescribedinTR22.886andIheirrequirementsinTS22.186areanalysedindetail,toclarifytheoperationofadvanceddrivingusingnetworkedvisualinformation.Therequiredproceduresformediacapture,compression,andtransmission,basedonthemechanismsformediahandlingandtransportation,suchasMTSl,MBMS,andFLUS,areinvestigated.OperationoverthePC5interfaceiscurrentlyoutsideofthescopeofthisdocument.2 ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.- Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.- Foraspecificreference,subsequentrevisionsdonotapply.- Foranon-specificreference,thelatestversionapplies.Inthecaseofareferencetoa3GPPdocument(includingaGSMdocument),anon-specificreferenceimplicitlyreferstothelatestversionofthatdocumentinthesameReleaseasthepresentdocument.13GPPTR21.905:"Vocabularyfor3GPPSpecifications".2 3GPPTR22.885:"StudyonLTEsupportforVehicletoEverything(V2X)services".3 3GPPTR22.886:"Studyonenhancementof3GPPSupp