【英文标准名称】:Trafficandtravelinformation(TTI)-TTIviatransportprotocolexpertgroup(TPEG)data-streams-Publictransportinformation(PTI)application
【原文标准名称】:交通和旅行信息(TTI).通过传送协议专家组(TPEG)的数据流的TTI.局部参照信息
【标准号】:BSDDCENISO/TS18234-5-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-06-30
【实施或试行日期】:2006-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:使用;数据交换;数据流;数据传送;识别;信息交换;文电;PPLT;公共的;公共乘客地域交通;无线电通信;道路运输;远程信息管理;TPEG;交通业务;交通管制;传输协议;传送协议;传送系统;TTI;运载工具
【英文主题词】:Applications;Dataexchange;Dataflow;Datatransfer;Definitions;Englishlanguage;Identification;Informationinterchange;Messages;PPLT;Public;Publicpassengerlocaltraffic;Radiocommunication;Roadtransport;Telematics;TPEG;Traffic;Trafficandtravellerinformation;Trafficcontrol;Transmissionprotocol;Transportprotocol;Transportationsystems;TTI;Vehicles
【摘要】:ThisTechnicalSpecificationdescribesthePublicTransportInformation(PTI)Application,whichisintendedtocoverallmodesofpublic(i.e.collective)transportaswellasinter-urbanandintra-urbantravel.Theapplicationisdesignedtoallowtheefficientandlanguageindependentdeliveryofpublictransportinformationdirectlyfromserviceprovidertoend-users.Theterm“application”isusedinTPEGspecificationstodescribespecificapplications,suchasinthiscasethepublictransportinformationapplication,whichcomprisesthreeinformationcontainers:themessagemanagementcontainer,theapplicationeventcontainerandtheTPEG-locationcontainer.ThefirsttwocontainersarefullydescribedhereinandtheTPEG-locationcontainerisdescribedinCENISO/TS18234-6.EachTPEGApplication(e.g.TPEG-PTI)isassignedauniquenumberthatiscalledtheApplicationIDentification(AID).AnAIDisdefinedwheneveranewapplicationisdeveloped.TheAIDisusedwithintheTPEG-ServiceandNetworkInformationApplication(CENISO/TS18234-3)toindicatehowtoprocessTPEGcontentandallowsroutingofdatatoanappropriateApplicationdecoder.AID=0002(hex)isassignedtotheTPEG-PTIapplication,describedinthisspecification.TheTPEG-PTIapplicationaimsatdescribing“legs”ofajourneyalsodescribedas“rides”byothermethodologies.However,itisimportanttonotethatTPEG-PTIisnotlimitedtodescribingsingleservices,becauseitalsoallowsthemoregeneraldescriptionofroute,serviceandarea-wideproblems.Public(orcollective)transportinformationisusuallyconsumedinoneoffourprinciplewaysasfollows:Leaderboardinformationasusedatstationsorterminals;Areportonthestateofanetwork;Thedescriptionofanindividualservice;Asanewsflashreport.Theelementsneededtoprovideinformationforanyoneofthefourend-userpresentationmodesarelargelythesame.Theend-userfocusofTPEGapplicationsmakesitusefultobeabletomimicpresentations,towhichend-usersareaccustomed,forexamplearailwaystationindicatorboard.TPEG-PTImessagescanthereforegroupdataelementstopresentoneofthefollowingend-userpresentationmodes:Incidentmessagereport;Station/terminalinformation;Routeinformation;Individualserviceinformation.Itisimportanttobearinmindthattheseend-userpresentationmodesaremerelypresentationalaides;theyhavelittletodowiththecontentintheindividualdataelements.Theydo,howeverindicatehowdataelementsmustbegroupedifapresentationinanyoftheseviewsisintended.UnliketheTPEG-RTMapplication(CENISO/TS18234-4),TPEG-PTIbenefitsfromthenodalstructureofpublictransport,makinguseofitsdiscretestart,endandstoppingpointsaswellasbeinglimitedtofixed,beitrealorvirtual,routes.
【中国标准分类号】:R85
【国际标准分类号】:35_240_60
【页数】:70P;A4
【正文语种】:英语