V2X_Hangout(LAPTOP-ITLQ75JK--10233--2019-03-11-17,08,39)

AlisonChaikenMentorEmbeddedSoftwarealison_chaiken,Technology,BusinessandRegulationofthe“ConnectedCar”,JohnKenneyToyotaInfoTechnologyCenterjkenneyus.toyota-,Agenda,Alison:ConnectedvehiclesafetyandtrafficmanagementConnectionmodalities:LTE,802.11p,SMS,satellite.John:V2XProtocolsandspectrumSecurityandscalabilityAlison:EuropeanandU.S.pilotprojectsAvailableHWandSWImmediateprospects,V2XTerminology,Vehicle-to-vehicle(V2V)Vehicle-to-infrastructure(V2I)OnBoardUnit(US)=ITSVehicleStation(EU)RoadSideUnit(US)=ITSRoadsideStation(EU)DedicatedShortRangeCommunication(DSRC)=automatedtollinginE.U.butsafetymessagesinU.S.,“KillerApp”:Green-lightoptimalspeedadvisory,GLOSAwillallowdriverstosetoptimalgreen-signalspeed.,802.11pvs.LTEvs.SatelliteandFM,802.11pistheonlylow-latencysafetychannel.LTEhasthelargestinstallbaseandisindustry-funded.Terrestrialandsatelliteradio,data-over-voice,SMSalso:3G(UMTS)alreadyemployedinsimTD(Germany)andSmartIn-Car(Netherlands).Telcosareinvestingheavilyinautomotive.,+,Automotivenetworkingneedsnewprotocolsineverylayer,John:V2XprotocolsandspectrumSecurityandscalability,DSRCStandardsOverview,Necessaryforinteroperability,DSRCPHY+MAC(IEEE802.11p),DSRCUpper-MAC(IEEE1609.4),IPv6,TCP/UDP,Messages(SAEJ2735)Min.Perf.Req.(SAEJ2945),Non-safetyapplications,DSRCSecurity(IEEE1609.2),See:J.Kenney,“DSRCStandardsintheUnitedStates”,Proc.IEEE,July2011,Vol.99,No.7,pp.1162-1182,Moststandardsfairlymature,DSRCWSMPServiceAdvertisement(IEEE1609.3),2010,2010,2010,2013,2009,Draft,Comparison802.11pwithAPLAN,802.11pImmediateDataExchange,Communicationis“OutsidetheContextofaBasicServiceSet”(orOCB,i.e.trulyadhoc)Avoidingsetupdelayiscriticalforhighmobility“WirelessAccessinVehicularEnvironments”(WAVE),DSRCNetworkAudi;BMW;Daimler;Ford;VW;Bosch;Conti;DeutscheTelekom,plusgovsandunis.120vehiclesand3motorcyclesplusRSUs.Datacollection2012-6/2013,41Khrsand1.65Mkm.2015:CooperativeITSCorridorRotterdam-FrankfurtamMain-ViennaFeatures“RoadworksWarning”and“DetectionofTrafficConditions”.,ArchitectureofsimTD,UnlikeSafetyPilot,includesCentralStationandemphasizesV2I.,NearFuture,Conclusions,V2Xisakeyenablerofvehicleautonomy.Enormouspotentialtoimprovesafetyandoptimizetrafficflow.BurgeoningopportunitiesforHW,SW,backhaul,analytics.ExtensivegovernmentinvestmentinEUandU.S.Nowisagreattimetogetinvolved.,simTD,SafetyPilot,SmartIn-CarITSSv6,CALM,ETSI,ISOC-ITSSAE,IEEE,ISO,IETF,FCC,NHTSAstandardsIETF-ITSmailinglistComponentalitysFlexRoadandDrivityAutomotiveGradeLinuxTelematicsNewsWiredA,Resources,Extras,J2735MessageSetDictionaryDefines15messagesandconstituentdataelementsKeymessages:BasicSafetyMessage(V2Vsafety)SignalPhaseandTimingMAPJ2945MinimumPerformanceRequirements(MPR)Notyetpublishedexpected2015ExamplecontentforBasicSafetyMessage:MessagefrequencyandtransmitpowerAccuracyofsensordatainmessage(e.g.position,velocity),SAEStandards,Typicallysentbyroadsideunitatintersection,DSRCSpectrumSharing,Wi-FihasbeenatremendoussuccessUSGovernmentsupportsallowingWi-Fitosharespectruminnewbandswith“primaryusers”(e.g.radar,satellite)USFCCconsideringallowingWi-Fitoshare5.9GHzDSRCbandIssued“NoticeofProposedRuleMaking”Feb.2013RequestedcommentsfromstakeholdersIEEE802.11“TigerTeam”consideringtechnicalsharingsolutions“Detect-and-vacate”option“Re-channelizeandsharepacketbypacket”optionAutoindustrywantstoensureno“HarmfulInterference”fromWi-Fi.Notyetclearifasolutionexists.Anycandidatesolutionwillrequirerigoroustesting,SafetyChannelScalability,Reasonswhyweemphasizemessagerate:PredictableimpactindependentoftopologyMaintainconnectivityatdistancesofinterestFinegrainedcontrolLargedynamicrange(noobviousminimum)ToyotaITCsLIMERICalgorithmisunderinvestigationinUSandEU,MessageRate,DataRate,TransmitPower,SensitivityControl,PacketLength,LotsofcontrolknobsCanbeusedincombinationoraloneCanberesponsivetodifferentstimuli,See:G.Bansal,J.Kenney,andC.Rohrs,“LIMERIC:ALinearAdaptiveMessageRateControlAlgorithmforDSRCCongestionControl,“IEEETransVehicularTechnology,Vol.62,Issue9,pp.4182-4197,November2013,DSRCStandardsOverview,Necessaryforinteroperability,DSRCPHY+MAC(IEEE802.11p),DSRCUpper-MAC(IEEE1609.4),IPv6,TCP/UDP,MessageDictionary(SAEJ2735)Min.Perf.Req.(SAEJ2945),Non-safetyapplications,DSRCSecurity(IEEE1609.2),DSRCWSMPServiceAdvertisement(IEEE1609.3),See:J.Kenney,“DSRCStandardsintheUnitedStates”,Proc.IEEE,July2011,Vol.99,No.7,pp.1162-1182,Moststandardsfairlymature,Syncperiod100msec,IEEE1609.4:Multi-ChannelOperation,ControlChannelInterval(advertise),ServiceChannelInterval(accessservice),ControlChannelInterval(advertise),ServiceChannelInterval(accessservice),time,Objective:MultiplexoneradioeffectivelyamongmultiplechannelsApproach:usetimedivisionOptional:NotusedforsafetychannelinUS,50msec,Source:“UsingOpenSourceSolutionsforV2VandV2ICommunications,”AutomotiveGradeLinuxwebinar,Componentality:open-source802.11pstack:thebluezofDSRC?,802.11p(WAVE)vs.otherCommsModes,Lower-overheadprotocolforsafetymessages.Noaccesspoint(AP)andnobasicserviceset(BSS)Toomuchdelayformovingvehicles.Lowerlatencythan802.11a/b/g/n,LTEorsatellite.Messagepriorities0-7.Half-widthchannels;alwaysadhoc.Upto33dBm(1km)inE.U.and44dBminU.S.NoupstreamLinuxdriver.,Source:M.Lukuc,ConnectedVehiclePublicMeeting,WhyV2Vneedslowlatency,Source:J.Harding,ConnectedVehiclePublicMeeting,DualprotocolstacksofsimTD,BasedonETSIITSG5plusGeoNetworking.,FromAutomotiveInternetworking,courtesyM.Bechler,BMW.,simTDs“vehiclestations”,Linuxrouter+WindowsXPHost,Ref.:H.Stbingetal.,IEEEComm.148(2010).,LinuxinV2I:AdvancedTransportationController(ATC),Source:InstituteforTrafficEngineers,Applications:GLOSA;TrafficSurveillance;RampMeter;DynamicMessageSigns;Weathermonitor;Weighstations;Railintersections;Laneusagecontrols;Roadworkswarning.,InternetEngineeringTaskForce(IETF)workonGeonetworkingandITS,3draftstandardsinpreparationGeonetworking(submitted)ScenariosandRequirementsforIPinIntelligentTransportationSystems(submitted)IPv6over802.11p(particularGENIVIinterest)V2X(withMANETworkinggroupofIETF?)Info:/mailman/listinfo/itschieforganizer:AlexPetrescuofCEAincontactwithGENIVINetworkingExpertGroup,Specialcases,Transit-servicevehiclesEmergencyrespondersOver-the-airsoftwareupdatesAgriculturalequipmentFleetvehiclesRentalcarsandmanymore.,Source:S.Mortensen,ConnectedVehiclePublicMeeting,SafetyPilotstransitvehiclesystem,SafetyPilotparticipants,Roadside:Arada,Kapsch,ITRI,.Cohda/Cisco,SavariIn-vehicle:AutoTal