内容讲义文稿pateosystems telematics solution

HubTechnicalT-SystemsP.R. SeptemberAlltheinformationconcerningT-SystemsP.R.ChinaLimitedanditsaffiliatesprovidedinthisofresponsetotheRFPoftheematicsProject(issuedbyChanganPSAAutomobileCo., toShanghaiPATEOInternetTechnologyService .inAugust,2012)andinalltherelevantpriorwrittenorverbalcommunicationsamongChanganPSA,PATEOandT-Systemsshallbedeemedasstrictly.ChanganPSAisauthorizedtousethesaidinforationfortheonlypurposeofevaluatingT-Systems’qualificationasapotentialrtotheeaticsProject.ThesaidinforationshallinnocasebedisclosedtoanythirdpartywithoutpriorwrittenconsentgrantedbyT-SystemsP.R.China.TheinternaldisclosuremadetotheemployeesofChanganPSAshallalsobelimitedtotheverynecessaryextent.T-Systemsreservesalltherightstoseeklegalremediesand/orequitablereliefwithnoprejudicewhatsoevertotheextentoffullyprotectingthesaidinformation.TableofI EMATICSSERVICE ematicsService Features ematicsService ematics ARCHITECTUREOF EMATICSSERVICE Application EMATICSSERVICE Service VehicleService Voice LocationBase App Billing VehicleManagement SurroundingSystems BusinessInligence Dynamic Other EMATICSSYSTEMSERVICE Service SystemDeployment HubInfrastructure HUB PSAHUB&TSC TSCEMATICSSERVICE1.1.ematicsServiceT-SystemsChinaematicsserviceplatformprovidesacompletesetofservicestomeettheneedsofdifferentusers,includingvehiclemanufacturers,logisticscompanies,fleetandvehicleowners.Itconnectsindividualvehiclestravelingonroadsasanetworkwiththemoderncommunicationtechnologies,offersavarietyofservices,andmakesthedrivingsafer,thelifemoreefficientandentertaining.Baseduponthevehicleservice,itfurtherlinkstheworkofcarownersinofficewiththeirfamilylife,andprovidesconvenienceandmobilityto FeaturesofematicsServiceT-Systems ematicsServicePlatformhasthefollowingVoicerecognitioninteractiveservicesCustomer-centered seamlessly ematicsServicearchitecture-orientedmodulesandhierarchicalplatformBusbasedBusinessserviceintegrationandcloudRemotedeviceandservicemanagementviaOTAMobilenetworkoperationsupportingservices,includingbilling,paymentandcontentEquipmentandserviceconfigurationProvisionoffirmware,servicesoftwareOverallematicsTheoverallprogramofT-SystemsChinavehiclenetworkcanbedividedintofourlevels,ematicscommunicationematicsintegrationematicsserviceematicsservicesupportdedARCHITECTUREOF EMATICSSERVICEdedApplicationTheapplicationarchitectureoftheTSCematicssystemdescribestheapplicationandtheservicecomponentsprovidingtheservicesaswellastherelationshipsamongthem.specificfunctionsandtechnicalimplementationoftheseapplicationsandservicecomponentsarealsopresentedinthischapter.2.2.ematicsServiceVehicleCommunicationFunctionalVCA(VehicleCommunicationApplication)isanapplicationsystemconnectingvehicleswithHUBplatformandprovidingbi-directionalcommunication.Therefore,itisoneofthecorecomponentsinHUB.AnimportantcomponentoftheVCAisthevehicleservicegateway,whichincludesaseriesofcomponentsforbi-directionalconnectionsbetweentheHUBplatformandvehicles.ServicesGatewaysareresponsibletohandleservicerequestsinitiatedbythevehicleandgiveinitialtreatmentoftherequestmessage,andthenforwardedtheresultstothebackendofHUB(suchlikeserviceintegrationbusorservicehandler).Additionally,theservicesgatewaycanreceiveservicecommandinitiatedbyTSPandselectdifferentchannelstosendtothevehicleequipmentinaccordancewiththetypeofserviceandvehicleenvironment.TheservicegatewaysareconsistingofIPgatewayconnectingtheservicerequestsbetween3GandGPRSnetwork,SMSgatewayandDOVgatewayifnecessary.Servicegatewaycomponents,byisolatingvehicleandservicelogic,isaimedtoachievetheloosecouplingbetweentheserviceintegrationbusandematicsunits.ManagingconnectionsbetweenematicsunitsandHUBplatform.CurrenttherearetwotypesofgatewaylayinginHUBaslistedbelow:PacketGatewayisanIPrelatedgateway,whichconnectstoanAPNof ProviderandTCP/IP,UDP,HTTPandetc.SMSGatewayutilizestheinterfacesprovidedby DataexchangebetweenTUandHUB.BesidesreceivingtherequestsfromTUtobackendofandtransferringresponsesfromHUBtoTU,GatewaysendsrequestsfromHUBandgetsresponsesfromTU.Gatewaydefines2typesofinterfaces,andprovidesDispatcherwiththeI/OcapabilitywithTUnetworks.followingfunctions:Messageheaderofdecodingandencodingtransport GettheroutingrulesfromPDP.RoutingrulesincludehowtoforwardtherequesttoServiceHandlerandhowtochoosetherightGatewaydependingonservicerequestparametersByinteractingwiththeGateway,inaccordancewiththeroutingrules,itcompletesTUcommunicationanddatainteraction;InaccordancewiththerulesofTplatform,itcreatestheglobaluniqueServiceRequestIDandmaintainsthestatusofServiceRequest;ItcollaborateswithServiceHandlertocompletetheprocessingofuserNomatterwhatkindofTbusinessservicethecustomeruses,theserviceplatformsincludingcallcenterandallapplicationsystemsinvolvedintheserviceshouldbeabletokeeptrackoftheservicerequestandcarryoutend-to-endysisfortheentireserviceprovisiononthelevelofserviceprovision.CustomerscaninitiateaTservicerequestfromdifferentuserinteractionsystems,suchasTU,mobileapplication,B2Cwebsitesorcallcenter.IneachTserviceprocess,allsystemuseagloballyuniqueServiceRequestIDtoidentifytheservice,thatis,intheentireTserviceprocess,auniqueIDisusedtotracktheentireserviceprocess.TheServiceRequestIDisnottheSessionIDincommunication.BecausethecommunicationbetweenTsystemandthecustomerandvehiclemaybecarriedoutindifferentuserinteractionsystems,suchasTUandmobilephone,eventheyapplytooneterminalsuchasTU,thed switchfromIPnetworktoSMSchannel.Inthesecases,ServiceRequestIDisusedtoidentifyoneserviceprocessuniformly.Inextremecircumstances,astheuserusesTservicestorageinthecloud,ServiceRequestIDwillsaveitforalongtimetocompleteaservicerequestofthecustomer.ServiceRequestIDcanbegeneratedindifferentsystem.TheselectionofIDgenerationsystemdependsontheserviceinitiator.Theoretically,itcanbeattheTU,TSPbackgroundorB2Cwebsites.GeneratingrulesofServiceRequestIDinTSCTplatformareasfollows:Methodofinitiating1ThecustomerinitiatesselfservicetoTplatformthroughTUTUneedstousethesameServiceRequestID,butdifferentSeqnumbertotrackmessagesendingandreceiving2ThecustomerinitiatesX-CalltothecallcenterthroughTUCallcentersystemusesthesameServiceRequest3ThecustomerinitiatesservicerequestthroughmobileapplicationIfcommunicatingwiththevehicle,TU/VehicleServiceandotherswillusethesameServiceRequestID4Thecustomerinitiatesservicerequesttothecallcenterthroughfixed-linephone,mobilephoneorIfcommunicatingwiththevehicle,TU/VehicleServiceandotherswillusethesameServiceRequestID5ThecustomerinitiatesservicerequesttothevehiclethroughB2CIfcommunicatingwiththevehicle,TU/VehicleServiceandotherswillusethesameServiceRequestIDForexample,ifthecustomerinthevehiclewantstouseartificialnavigationservice,hewillcallI-Calltothecallcenter.TUwillinitiatethed onnectiontoTSP.Afterreceivingthedata,VehicleServicewillcreateaServiceRequestIDandusethisIDtoidentifytheresponsedata.Then,whenVehicleServiceperformsdatastorageorforwardsservicetoothersystems,thegloballyuniqueIDwillbeincluded.WhenTUreceivestheServiceRequestIDintheresponsemessage,itwillalsousethesameIDforsubsequentmessagesendingandreceiving.Forexample,inthemessageinPOIpointinthenavigationdestinationreceived,theServiceRequestIDcanbeusedtomatchtherequestedI-Callservice.Whenanoperatorinthecallcenterisonacall,theoperatorsystemdoesnothavetheuniqueID,butitcansendrelatedinformationtoVehicleServicetoperformmatchingoftheservicerequestthroughcallingandcallednumbers,callingtimeandothers,finallygettingtheservicerequestID.ThebusinesslogsinallapplicationsystemsofTplatformhaveagloballyunifiedServiceRequestID.ThroughthisID,theoperationmanagementandmonitoringsystemcanextracttheservicelogsfromdifferentsystemstoformacompleteend-to-endservicerecordsfortheysisoffollow-upquestionsandbusiness.ServicegatewaysareexistingindifferentlevelsoftheOSIlayermodel,inwhichcommunicationprotocolprocessingunitandservicerequestprocessingunithastheirowncorrespondingprotocol-TTPandTAPasshownbelow.DataexchangebetweentheVCAandthevehiclefollowstheNGTPVer2principleandVCAshallhaveprotocoladaptationresolutionondatepacketsforvariousservicesrequestsfromdifferentchannels,andshallhaveprotocolencapsulationforinformationfromservertovehicles.TTPandTAPprotocolconsistofthreecomponents,whicharetheTTPHeader,theTAPHeader,theTAPtheData.Correspondingly,GatewayisworkingonlowerlayerinTransportation,andDispatcheronhigherlayerinTransportation.TechnologyUtilizedWeblogicWebServiceOracleDatabaseServiceFunctionalServiceHandler(SH)processestheservicedatabydecodingandenrichingthevehiclemessagesothattheservicereq anbeconsumedbytheserviceproviders.WhenDSPTdeliversarequesttoSH,SHwillfirstdecodethemessage,andthenverifytheauthentication.Afterthat,theeventmanagerwillmanagethebusinessprocessestocollectcustomerinformationandvehicleinformationrequiredbythespecificserviceproviderbasedontheservicerequest.TherequestwillthenbesenttoIGviatheroutingservice.IGwillprocesstherequestusingthetransformationserviceandthendelivertherequesttotheserviceproviderinSI.AfterSIreceivestherequest,SIwillsend“acknowledge”toSHandSHwillnotifytheDSPT.Whenanexceptionoccurs,ServiceErrorHandlerwilltakeovertheprocessaccordingly.WhenoneoftheSIservicesgeneratesamessagetothevehicle,themessagewillbesentviaIGtoSH,andSHwillencodethemessagethendeliverittoDSPT.AfterDSPTreceivestherequest,DSPTwillsend“acknowledge”toSHandSHwillnotifythespecificSIservice.Whenanexceptionoccurs,ServiceHandlerwilltakeovertheprocessWhenMobileGateway,DynamicWeborCallCentergeneratesarequest,therequestwillbesenttoDSPTandthenbedeliveredtoSH.SHwillfirstdecodethemessage,andthenverifytheauthentication.Afterthat,theeventmanagerwillmanagethebusinessprocessestocollectcustomerinformationandvehicleinformationrequiredbythespecificserviceproviderbasedontheservicerequest.TherequestwillthenbesenttoIGviatheroutingservice.IGwillprocesstherequestusingthetransformationserviceandthendelivertherequesttotheserviceproviderinSI.AfterSIreceivestherequest,SIwillsend“acknowledge”toSHandSHwillnotifytheDSPT.Whenanexceptionoccurs,ServiceErrorHandlerwilltakeovertheprocessWhenanexceptionoccurs,theServiceErrorHandlerwillbetriggeredtohandletheerror.TheerrormessagewillbesenttotherequestinitiatorandrecorditinthelogofSH.WhenseveralsystemsofSIareneededtocollaboratewitheachothertocompletesomeoperation,SHwillcontroltheprocess.Takeactivationasanexample.DSPTinitiatesitandestablishesacustomeraccount,vehicleaccountandcorrespondingbasicinformationinTservicemanagementplatformfirstly.Then,itcreatestheinformationabouttherelationshipbetweencustomerandvehicle,createsvehicleinformationinVMS,formsthevehiclesandcustomerinformationintoarequestandsendsittothemobileoperatortoopentherelatedserviceofthevehicle.Finally,itinformsDSPTofsuccessfulopening.AllkeystepsmentionedabovewillberecordedinthelogsofSERVICESERVICEHANDLER服务处理SERVICEINTEGRATOR服务集器日VHL/Customer/ServiceData车辆/客户/服务数据提供VHLData车辆数据收CustomerData编收ServiceError错误处理ESB(EnterpriseServiceRoutingService:distributingtherequesttothetargetsystemaccordingtotherequesttype.TransformationServices:transformingtherequestintotheformatwhichcanbeusedbythetargetsystembyextractingdatabaseinformation,calculationandothermethods.BPEL(BusinessProcessExecutionBPELProcessManager:itisusedtomanagethecross-applicationcomplexBusinessActivityMonitoring:providingreal-timemonitoringofbusinessprocessandarmBusinessRulesEngine:providingrule-baseddynamicprocesscontrolforthebusinessprocessServiceErrorHandler:itisusedforhandlingerrorswhenanexceptionoccurs.Log:recordingtheoperationlogs.TechnologyVehicleServiceTherearelargeamountsofvehiclerelatedinformationstoredinVehicleServiceApplicationdatabase,whichareprovidedbyMESetc.OEMmanufacturessystems.Itincludestheinformationsuchasmake/model/year,vehicleprofile(controlinstructions,diagnosticinstructionsandsoon),vehicleinformation(VINcode,vehiclecolor)and bycarfactoriesandthecorrespondencerelationmaintainedbetweenthem.VehicleServiceProviderisresponsibleformaintainingandmanagingthedatamentionedabove,readingrelevantruntimedataatthetimeofsystemstartupandsavingthedatainthecachetoprovidebasicdataforconnectionandcontrolofvehiclewhenavehiclerequestarrives.Inadditiontothose,itdefinesthebusinesslogicassociatedwithvehiclecontrolandvehiclediagnosisinthisInterfaceTUinitiatesaservicerequestto1Receivingtheservicerequest,establishingconnectionanddistributingtheprocessingthreads1.1ParsingthedispatcherHeaderlayeraccordingtoNGTPDatagramProtocol1.2CallingPDPinterfaceandgettingInboundrouting1.3 allingtheappropriateServiceHandlertoprocessinterfacerequestbasedontherouting1.3.1ParsingthedataonApplicationDatalayeraccordingtoNGTPDatagramProtocol InitiatinganinstructionrequesttoVehicleService1.3.3EncodingandgeneratingApplicationDataaccordingtoNGTPDatagramProtocol1.4.4ConsultingwithPDPaboutOutboundrouting1.5Encodingandgeneratingacompleteresponsedata2SelectingtheappropriateGatewaychanneltoreturndatabacktotheTUbasedontheOutboundroutingrulesobtainedinStep1.4.4.VehicleMonitoringFunctionalaretwooptionstostopandslowdown.Usuallythereare2mainstepsdefinedinVMSaslistedSetTrigger：VMSreceivestherequestfromexternalapplications(suchlikeB2CportalorMobileApplication),andthentrytosettriggerstotheuser’s ArequestissenttoVMS,andwillbereceivedbyRequest RequestProxyposttherequesttoServiceHandler.SHwillprocessrequest(suchlikeauthenticate,validaterequestdependingonserviceofpackagewhichisownedbythesubscriber)VMSthenfetchthecorrespondingprofilefromSetthetriggertotheTUthrow AuniquerequestidwillbestoredinVMSandreturnedbacktothesender(MIGorB2Cportal).Sotha dercanfetchvehicledatausingFireTrigger：Oncethetriggerissuccessfullysetinuser’svehicle,aspecifiedtriggerwillbefiredfollowtheconfiguration,executetheinstructionslistedinthetriggeranduploadthevehiclestatustotheHUBplatform. TUwillbeinchargeoffiringthetriggerfollowingthefiretime.ThentrytoconnecttheHUB OncetheconnectionestablishedbetweenHUBandTU,arequestwillbesenttoandindicatethatTUneedtouploadvehiclestatus.VCAinvokethismethodtonotifyServiceHandlerthatTUisreadyuploadsome SHcallthestartCollectJob,VMSwillassignanewthread,tryingtoachievethejob.VMSfetchtheprofilestoredintheVMSdatabase.AccordingtoMAKE/MODEL/YEAR,thereareseveralintructionswhichwillbesendtoTUandperformdiagnosticorstatusgathering. ThecollectJobfollowtheprofileofthe Gettheinstructionsfromthetriggeroneby VCAencodetheinstructionsandsendthedatatoTUandreturnthefeed VMSreceivethedataand Asthecollectingjobisdone.VMSisresponsibletonotifythemessagealongwiththevehiclestatustheTUandgetthefaileddataagain.VoiceVoicerecognitionsystemprovidesvoicerecognitioncapabilitiesintheTUandcloud.It theuseofvoicerecognitioncapabilitiesandthecombinationwithTbusinessbythecombinationoflocalandcloudvoicerecognitionservice.Architectureofthevoicerecognitionsystemarchitectureisasfollows.Theentiresystemcanbedividedintotwoparts:theapplicationsoftwareinTUandtheserviceofTSPplatform.ThesoftwareinTUisresponsiblefortheinteractionbetweenlocalrecognitionandothermodulesofthesystem.TSPplatformisresponsiblefortheintegrationofcloudrecognitionserviceandbackgroundserviceanddata.VoicerecognitionsysteminTUconsistsofthreeUserinteractionlayer:GraphicsUIandVoiceUIinthefigurearetheinterfacesofuserBusinesslogiclayer:itisresponsibleformanagingthesceneandprocess systemandisthecontrolmoduleofthesystem.Basicservicelayer:includinglocalrecognitionengine,cloudrecognitioninterface,TTSservice,recordingmodule,applicationinteractioninterface,etc.ThecloudrecognitionserviceinTSPplatformservicehasmanyscenes,suchasPOIrecognition,SMStransliteration,stocksandflight.Eachtimethecloudrecognitionisstarted,itisneededtodeterminewhichscenetouseforvoicerecognitioninadvance.Incloudrecognition,somebusinessneedstomakefurtherqueryforvoicerecognitionresults.Forexample,inPOIsearchservice,theresultofthevoicerecognitionengineisthenameofthedestination.ItneedstobetransferredtoGISsystemofTSPplatformtosearchcorrespondingPOIpoint.Then,thequeryresultsarereturnedbacktotheTUfortheusertoselect.Finally,navigationserviceisstarted.VoiceRecoginitionin ApplicationsinVoiceVoiceGraphicsVoiceInteractionScenario CloudVRLocalVRSpeechPattern,Contact,Singer,

Input:PCM,VROutput:Text,POI

…T-ServiceCloudVoiceRecognition

定位/POI/

实时交…

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Other其他服务组ThepremisesofbuildingthevoiceservicesystemareasLicensemode(TerminalLicense,CloudLocalvoicerecognitionengine(programLocal gine(programCloudvoiceTransplantationofthevoicerecognitionapplicationintheTUneedstomeetthefollowingTU16K/8K16bitPCMdataPCMvoicedataGPSlongitudeandlatitudeNetworkconnectionwithTSPplatformApplicationinteractioninterfacesoftheTU,suchas:MakingaSendingSettingradioSettingnavigationPlayingStartingapplicationprogramsTUvoicerecognitionlibrary:TUContactSongSingerServiceService服第NewsWeatherMusicVedioNewsWeatherMusicVedio a.Periodicallyupdateweatherandnewsopennewsorsynchronize3.newsorweatherdata4.newsorweatherdataaTSPwillperiodicallyupdateweatherandnewsdatafrom1Driveropensnewsorweather2TUrequestdatasynchronizationfrom3TSPtransferscurrentdatato4NewsorweatherappshowstheServiceCustomer/DataVehicleComm协议/ from1VehicleCommVehicleinitiate2VehicleCommDSPTdecodetherequestfromVehicle2DSPTrelayrequestto2Customer/DataVehicledo2ServiceVehicledo2SHsendrequestto2SIhandletherequestandsendresponsetoSH2DSPTget3VehicleCommSHsend3VehicleCommVehiclereceive4Theprocessofmusicserviceshows1.play1.playa2.queryforforwardthequerytolyricscacheandanswer6.lyrics1Driverplaysa2TUqueryforlyricsviamusic3TSPforwardsthequeryto4CPresponse5TSPcacheandanswerthelyrics6TUshowsServiceCustomer/DataVehicleComm协议/Protocal/VehicleCommVehicleinitiate1VehicleCommDSPTacceptrequestfrom1DSPTrelayrequestto2Customer/DataVehicledo2ServiceVehicledo2SHsendrequestto2SIinvokeserviceof3Get4SIgetresponseandthensendtoSHafterprocess5DSPTget5VehicleCommSHsend5VehicleCommVehiclereceive6LocationBaseLBSserviceincludesPOIsearch,navigationandRTTDataacquisitionPOIcoordinatecollection:gettingPOIlongitudeandlatitudecoordinatesdatainTUandprovidingacomplementtothePOIinformationprovidedforCPPOIlocation/searchPOIcoordinatetransformationcomponent:transformingthedatainformationofthereques tbyTU,suchasthestartingpoint,waypoint,circumventionpointanddestinationpoint,intostandardPOIcoordinatepointswhichcanbeidentifiedbynavigationenginetoprovidenecessaryconditionsforroutecalculation.POIsurroundingsearch:searchingresultsdataaccordingtoPOIcoordinateparameters,distanceandretrievaltypeNavigationandrealtimeRoutecalculationcomponent:usingthenavigationengineandoverlayingtheDTIdataofrealtimetrafficforcalculationaccordingtoPOIpointandcalculationconditions(suchastheshortestrouteandthemosttimesaving)Routesending:navigationservicegetstherouteinformationmeetingtherequirementsbycalculationandsendsittoTUthroughvehicle-mountedinboxorPUSH.TheTUreceivesitandimplementsnavigation.Third-partybasicRealtimetrafficcomponent:integratingthird-partyrealtimetrafficproviders,requestingforDTIdataatregulartimeandstoringitinHUBplatform;Retrievalofrealtimetraffic:retrievingthecorrespondingtrafficdataofthecurrentpositionfromtherealtimetrafficdataaccordingtothedemandpoints;RTTRTTServiceprovidefollowingQueryforRTTdata,drivercanqueryforRTTdataviaspecificinputtoknowaboutthetrafficstatusoftheinterestedregion.RTTincidentnotification,trafficjam,trafficaccidentevents,androadworkswillbesendingtodriver.RTTawarenavigation,RTTdatawillbeuseinnavigationcalculationandrecalculatene thwhentrafficaccidenthappens.RTTdataissentinTMCformat,mainlyincludingpicturesandtextPicturesareprimarilyusedtodisplaytrafficKanbanBoardsandthereisconfigurationinformationofcorrespondingKanbanBoardsinthetextdata.Structurediagramoftheconfigurationinformationisasfollows:<Name>southofJianguomenQiao<Description>fromsouthtonorthUsingthetrafficpicturesinRTTcanpreviewandpromptalltrafficKanbanBoardsontheroute:Othertextdataisusedtodescribethetrafficofroadsectionsandthestructurediagramisasfollows:followingconditions:specificaddress. a、PeriodicallyretrieveRTTdatainDTIb、storeandannlyzeRTT1、userqueryRTT2、forwardqueryto3、query4、RTTinaTSPwillperiodicallyretrieveRTTdatafromRTPwithDTIbRTTdatawillbeinTSPandyzedtofulfillthequeryfrom1UsermayqueryRTT2TUforwardthequeryto3TSPwillanswerthequeryviainformationretrievedfromRTPanddatacollectedviatrackingmodule4TUshowtheRTTinformationviavoiceHMIorCustomer/DataCustomer/DataVehicleVehicleCommService SynchronousRTT Storage ysisRTTTUcollectcurrentVehicleCommVehiclesendGPSVehicleCommDSPTgetrequestdatafromVehicleCommServerVehicleCommDSTPsendservicedatatoCustomer/DataUserServiceUserSHsendservicedatatotransfersGPSdatatoexecutesthequeryonVehicleCommSIanswersCustomerDataVehiclegetresponseShowRTTPeriodicallyretrieveRTTdatainDTIb.storeb.store yzeRTTenableRTTupdateRTT3.RTT4.NotificationsettingtifydriverifsettingsaTSPwillperiodicallyretrieveRTTdatafromRTPwithDTIbRTTdatawillbeinTSPandyzedtofulfillthequeryfrom1DriverenableRTT2TUupdateRTTfrom3TSPsendbackRTTdataaccordingtoTUpositionand4TUcomparecurrentsettingsandRTT5TUnotifydriverifsettingsCustomer/DataCustomer/DataVehicleVehicleCommService SynchronousRTT Storage ysisRTTTUcollectcurrentVehicleCommVehiclesendGPSVehicleCommDSPTgetrequestdatafromVehicleCommServerVehicleCommDSTPsendservicedatatoCustomer/DataUserServiceUserSHsendservicedatatotransfersGPSdatatoexecutesthequeryonVehicleCommSIanswersCustomerDataVehiclegetresponseTUcomparecurrentandRTTPreviewandpromptofalltrafficKanbanBoardsontheQueryofthetrafficinanyroadwithinthecity,accuratetotheroadsectionoftwocrossroadsDynamicjamavoidance,newpromptoftimesavingroute,diagramformandnewvoicedescriptionofroaddifferenceActivereportofjamaheadontheroute,roadsectionaheadandsurroundingTrafficandavoidanceofintercityUsingthedescriptiveinformationofroadsectionscanqueryforthetrafficofanyroadwithinthecity,evenaccuratetotheroadsectionoftwocrossroads:Dynamicjamavoidancecanpromptthenewtimesavingrouteinthenavigationchart,describingnewroaddifferencesandothersituationsinthemannerofpicturesorvoiceSpecificimplementationmethodsareasPromptthejamaheadwhichisover5minutesorover500Calculatetheavoidanceschemeinbackground(realtimedynamiccomputationofalternativeschemesofmultiplepotentialroutes)Ifanybetterormoretimesavingscheme,promptthetimesaved,routedifferencesandvoicedescriptionPotentialbetterroutetakingintoaccountthelanes,trafficlights,drivingspeedanddrivinghabitsSettingathresholdvalueforthepromptedtimesavedofnewroad,usuallygreaterthan15minutesGiveuserstheopportunitytomakechoicesandjudgment.Afteritissecure,avoidthejamcorrectly.Takethetimeandlengthofjammedroadsectionandnon-rushhoursintoaccounttoincreasereliabilityTheprocessofRTTawarenavigationshows PeriodicallyretrieveRTTdatainDTIstore yzeRTTPathupdateRTTRTTJamonpath7.7. th6.Driverwant 6.Driverwant aTSPwillperiodicallyretrieveRTTdatafromRTPwithDTIbRTTdatawillbeinTSPandyzedtofulfillthequeryfrom1Pathisscheduledfordriver,andTUisnavigatingtotarget2PeriodicallyupdateRTTdatafrom3TSPanswerRTTdataaccordingtovehicleGPSdataandtarget4TUfoundblockonthescheduled5TUnotifydriverviavoice,andwaitfordriver6Driverwantanewfaster7TUlnavigationmoduletoreschedulepathaccordingtotheRTT8 thscheduledandrepeatfromstepCustomer/DataCustomer/DataVehicleVehicleCommService SynchronousRTT Storage ysisRTTTUcollectcurrentVehicleCommVehiclesendGPSVehicleCommDSPTgetrequestdatafromVehicleCommServerVehicleCommDSTPsendservicedatatoCustomer/DataUserServiceUserSHsendservicedatatotransfersGPSdatatoexecutesthequeryonVehicleCommSIanswersCustomerDataVehiclegetresponse thecurrentPlanna POIPOIserviceprovidesPOIqueryinterfaceaccordingtoGPSinformation .thedriver’sview,POIsearchcanbeperformedintwoways.InputGPSinformationandtoqueryforPOI,ortoqueryspecificPOIsnearvehicleposition.InthisserviceweaggregatedPOIdatafrommultiplecontentproviders,alsoweprovideinterfacetoinputPOIdatatomakeupdatainaccurateorlostbyCPs.DrivercsosaveinterestedPOIdataonTUforfutureuse.ProviderlistandProviderPOIdataspecificsaredescribedinlaterPOIsearchprocessisshowed6.POI6.POIsaTSPwillperiodicallyupdatePOIfrom1DriverinputPOIclues orGPS2TUforwardthequeryto3TSPtransfersGPSdatato4TSPexecutesthequeryonCPs’5TSPanswers6TUshowsthesearchresultstoVehicleCommVehicleCommServiceCustomer/DataSynchronousCollectrequestVehicleCommVehiclesendGPSVehicleCommDSPTgetrequestdatafromVehicleCommServerVehicleCommDSTPsendservicedatatoCustomer/DataUserServiceUs