1、DRAFT FOR DEVELOPMENT DD CEN/TS 14821-8:2003 Traffic and Travel Information (TTI) TTI messages via cellular networks Part 8: GSM-specific parameters ICS 35.240.60 DD CEN/TS 14821-8:2003 This Draft for Development was published under the authority of the Standards Policy and Strategy Committee on 8 J
2、uly 2003 BSI 8 July 2003 ISBN 0 580 42223 2 National foreword This Draft for Development is the official English language version of CEN/TS 14821-8:2003. This publication is not to be regarded as a British Standard. It is being issued in the Draft for Development series of publications and is of a p
3、rovisional nature because technology in this area is rapidly evolving. It should be applied on this provisional basis, so that information and experience of its practical application may be obtained. Comments arising from the use of this Draft for Development are requested so that UK experience can
4、be reported to the European organization responsible for its conversion to a European standard. A review of this publication will be initiated 2 years after its publication by the European organization so that a decision can be taken on its status at the end of its 3-year life. Notification of the s
5、tart of the review period will be made in an announcement in the appropriate issue of Update Standards. According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion into a European standard, to extend the life of the T
6、echnical Specification or to withdraw it. Comments should be sent in writing to the Secretary of BSI Technical Committee EPL/278, Road transport informatics, at British Standards House, 389 Chiswick High Road, London W4 4AL, giving the document reference and clause number and proposing, where possib
7、le, an appropriate revision of the text. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement European publications referred to in this document may be found in the BSI Catalogue under the section en
8、titled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. Summary of pages This document comprises a front cover, an inside front cover, the CEN/TS title page, pages 2 to 14, an inside back cover and a bac
9、k cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsTECHNICALSPECIFICATION SPCIFICATIONTECHNIQUE TECHNISCHESPEZIFIKATION CEN/TS148218 May2003 ICS35.240.60 Englishversion TrafficandTravelInfo
10、rmation(TTI)TTImessagesviacellular networksPart8:GSMspecificparameters ThisTechnicalSpecification(CEN/TS)wasapprovedbyCENon10May2001forprovisionalapplication. TheperiodofvalidityofthisCEN/TSislimitedinitiallytothreeyears.AftertwoyearsthemembersofCENwillberequested tosubmittheir comments,particularly
11、onthequestionwhethertheCEN/TScanbeconvertedintoaEuropeanStandard. CENmembersarerequiredtoannouncetheexistenceofthisCEN/TSinthesamewayasforanENandtomaketheCEN/TSavailable .It ispermissibletokeepconflictingnationalstandardsinforce(inparalleltotheCEN/TS)untilthefinaldecisionaboutthep ossible conversion
12、oftheCEN/TSintoanENisreached. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZAT
13、ION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.CEN/TS148218:2003ECEN/TS148218:2003 2 Tableofcontents PAGE TABLEOFCONTENTS 2 FOREWORD 3 INTR
14、ODUCTION 4 1. SCOPE 5 2. NORMATIVEREFERENCES 5 3. DEFINITIONSANDABBREVIATIONS 5 3.1 Definitions 5 3.2 Abbreviations 8 4. SMSSPECIFICCORRESPONDENCE 12 5. POINTTOPOINTSHORTMESSAGESERVICES 12 5.1 Maxdatatelegramlength 12 5.2 DeliveryNotification 12 5.3 ImplicationsonTTservices 13 6. BROADCASTSERVICESSM
15、SCELLULARBROADCAST 13 6.1 Maxdatatelegramlength 13 6.2 ConcatenationofPages 13 6.3 PrimaryMessageID 13 6.4 CellBroadcastCenterCBC 13 BIBLIOGRAPHY 14CEN/TS148218:2003 3 Foreword Thisdocument(CEN/TS148218:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC278“Road transportandtraffictelematics“andthesecret
16、ariatofwhichisheldbyNEN , incollaborationwithTechnical CommitteeISO/TC204“Transportinformationandcontrolsystems“. ThisCEN/TSwaspreparedbyWorkingGroup7ofCENTC278.InthefieldofTrafficandTraveller Information,theinnovativerateishigh,withmanyresearchanddevelopmentprojectsunderwayinmany countries,andthere
17、isaneedtoestablishprospectivestandardswhichallowmanufacturerstointroduce competitiveproductstothemarketintheknowledgethattheycanaccommodatethefutureissuesofthe standard(s)withoutfundamentalchangetoequipment. Noknownnationaltechnicalspecifications(identicalorconflicting)existonthissubject. CEN/TS1482
18、1consistsofeightparts;onepartdescribingtheframeworkandsevenpartsprovidingdetailed specificationsofallcomponents,protocolsandservicesthatarewithinthescopeofCEN/TS14821. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoannouncethisCENTechn
19、icalSpecification:Austria,Belgium,CzechRepublic, Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta, Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.CEN/TS148218:2003 4 Introduction TrafficandTravellerInformation(TTI)maybedisseminate
20、dthroughanumberofservicesormeansof communication,coveringstaticdisplays,portableterminalsandinvehicleequipment. Forallsuchservices,thedatatobedisseminated,andthemessagestructureinvolvedinthevarious interfaces,requirecleardefinitionandstandardsformatsinordertoallowcompetitiveproductstooperate withany
21、receiveddata. ThisCEN/TSfocusesonanapplicationdataspecificationwherebydataisproducedatacentrallocationand isdisseminatedviaacellularradionetwork.Itaddressesthedataspecificationsforbothdownlinkanduplink existingbetweenacentrallocationandrandomlylocatedvehicles.Itenablesmessagestobeexchanged betweendi
22、fferentsystemsandserviceprovidersadoptingavarietyofapplicationsspecifications. OthertechnicalspecificationsarebeingproducedbytheCENTC278WorkingGroup4tocoverTTI disseminationviaothermeansorservices.ThissetofspecificationsisnamedGATS(GlobalAutomotive TelematicsStandard).GATSprovidesthemodularframework
23、forimplementingsuchtraffictelematics servicesonanopentechnologyplatformandisnetworkindependent.Inmanydetailsdefinitionsare necessarytoensureinteroperability.Therefore,inthisnetworkspecificpartofthestandardthosedetailed definitionsaregiven.WiththedevelopmentoffuturemobilecommunicationsystemstowardsUM
24、TS/ IMT2000thebottleneckofnarrowbanddatacommunicationmightfade.Duetoitsmodularstructure,the GATSframeworkandapplicationsarepreparedforthatduetoitsnetworkindependence.Thesameholds foremergingtechnologiesforpositioningwhichtodayisalmostexclusivelybasedonGPS. Otherrelevantstandarddevelopmentsare,indepe
25、ndentfromtelematics,theapplicationindependent WirelessApplicationProtocol(WAP),enablingmobileaccesstotheInternet.Itisunderstoodthatthese emergingtechnologiesmightfitintotheframeworkoftelematicsapplicationsinfutureWAPversions.Forthe timebeing,GATSalreadytodayindependentlyfromWAPenablesaccesstotelemat
26、icsservices.Utilisation ofGATSonaWAPprotocolstackandidentifyingnecessaryadaptationofWAPspecifications(ifany)is currentlyunderinvestigationoftheappropriategroupswithinWAPForumandGATSForum.CEN/TS148218:2003 5 1.Scope ThisCEN/TSdefinesthespecificinterfacesandfunctionalityoftraffictelematics(TT)services
27、basedonthe useofcellularnetworks.Devicemanufacturersareenabledtodevelopterminalequipmentcompatibleto servicesbasedonthisCEN/TS.Thiswillallowforinteroperabilityofdifferentterminalequipmentandservice providerswhichallowscompetitionbetweenserviceprovidersandterminalmanufacturers.Furthermoreit setsthesc
28、eneforinternationalavailabilityoftheseservices. ThisCEN/TSspecifies TTspecificinterfacesbetweenterminalandservicecentre.Thisespeciallyincorporatesthemessage setsoftheapplicationdataprotocolsandtheserviceindependentcommunicationhandling(including conditionalaccessandtransportprotocols). Functionality
29、proceduresandrequirementsofbasicterminalcomponentsaswellastheirinteractionwith theservicecentre.Thisespeciallycomprisesconditionalaccessandsecuritymechanisms. ServiceSpecifications,whichareessentialtoensureconsistentbehaviourofterminalandservicecentre. Theservicesincorporatedwithinthisissuecomprise
30、 breakdownandemergencyservices interactivetrafficinformationservices broadcasttrafficinformationservices navigationservices(routeassistance,routeadvice,homing) operatorservices generalinformationservices floatingcardatacollection Itisenvisagedthatfutureresearchanddevelopmentwillleadtoimprovementson
31、theserviceslistedabove aswellastothecreationofnewservices.NeverthelessthisCEN/TSprovidestheframeworkforseamless integrationofnewfeaturesandservicesintotheexistingarchitecture. 2.Normativereferences Notapplicable. 3.Definitionsandabbreviations 3.1Definitions ForthepurposesofthisTechnicalSpecification
32、thefollowingdefinitionsapply: 3.1.1Attribute(ofaTrafficInformationMessage) ATrafficInformationMessageismadeupofseparatepartsthatcanbecalledattributes.Thisincludes,for example,anitemofinformationandalengthofvalidity. 3.1.2Authorisation Reciprocalproofthattheidentityprovidedbythecommunicationspartner
33、isvalid 3.1.3BroadcastService Dataservicewithinacellularwirelessnetworkthatallowsformonodirectionaldisseminationofdatafroma servicecentretomultipleusersintheareaofsignalreceptionCEN/TS148218:2003 6 3.1.4BypassDescription RepresentationofaBypass,consistingofaBypassHintand/oraBypassRoute. 3.1.5BypassH
34、int RepresentationofahintforaBypass 3.1.6BypassLink ProminentwaypointsonaBypassRoute 3.1.7BypassRoute RepresentationoftherouteforaBypass 3.1.8CellBroadcast BroadcastserviceoftheGSMnetwork 3.1.9Datatelegram Digitalmessageexchangedbetweentwosystems 3.1.10DeliveryNotification Networkacknowledgementfors
35、uccessful/unsuccessfuldeliveryofamessagetothemobiledevice 3.1.11FunctionalRoadClass Aclassificationbasedontheimportanceoftheroadelementintheconnectivityofthetotalroadnetwork 3.1.12FunctionalRoadClass0 Motorways 3.1.13FunctionalRoadClass1 AllnonMotorwaysthatarepartofaconnectionusedfornationwidetraffi
36、candtransport 3.1.14Geocode Geocodesareuniqueidentifiersunmistakablydefiningimportantpointsonroadnetworks.Geocodescanbe derivedfrom/convertedintoWGS84coordinatesbythealgorithmdescribedinCEN/TS148213. 3.1.15Hardwareserviceagents Partnercompaniesofthetraffictelematicsserviceproviderswhoareauthorisedto
37、installonboardequipment intovehiclesandtomaintainit 3.1.16Homing Simpleformofguidancetodestination,inwhichthedirectionand straightlinedistanceofthedestinationareindicated 3.1.17InformationElement Informationunitofamessage 3.1.18Intersection JunctionoftwoormoreroadsCEN/TS148218:2003 7 3.1.19Lengthofa
38、SpeechReport LengthofaSpeechReport,includingpauses,intenthsofasecond 3.1.20MobileOriginated DatatelegramsentfromtheonboardequipmenttotheServiceCentre. 3.1.21MobileTerminated DatatelegramsentbytheServiceCentretotheonboardequipment. 3.1.22Onboardequipment Asystem,generallymobile,interactingwiththeserv
39、icecentretohandletraffictelematicsservices 3.1.23RoadJunction Intersectionoftwoormoreroads 3.1.24Routedescription Descriptionofarouteshowingthegeometryofstreetintersections,manoeuvreinstructions,streetandplace names,andgeographicalcoordinates 3.1.25Servicecentre Systemproducedbythetraffictelematicso
40、perators/serviceproviderstohandletraffictelematicsservices 3.1.26ShortMessageService PacketbasedformofdatatransferwithintheGSMnetwork 3.1.27Speechconnection Communicationschannelbetweentwosystemsforthebidirectionaltransmissionofspeech 3.1.28SpeechReport TrafficInformationReporttransmittedbyaspeechsy
41、stem 3.1.29TerminalDevice Generallymobilesysteminteractingwiththeservicecentreforimplementationoftelematicsservices 3.1.30TINFO TrafficInformationReport 3.1.31TINFOVersion UniqueidentificationofaTrafficMessage,consistingofanumberandatimestamp 3.1.32TrafficData DataforqualificationofTrafficEvents.Thi
42、sincludes: Values: speed,trafficflow,trafficdensity Places: position,placedesignation Facts: descriptionofsituationCEN/TS148218:2003 8 3.1.33TrafficEvent Anoccurrenceonaroadorinanareathatisworthyofreporting,suchasatrafficjam,wrongwaydriver,or fog. 3.1.34TrafficInformation TechnicalrepresentationofaT
43、rafficSituationwithintheonboardequipment,accomplishedbyanumberof TrafficInformationReports. ThisTrafficInformationcanbedisplayedtothecustomerviasuitableterminals. 3.1.35TrafficInformationReport TechnicalrepresentationofaTrafficEventproducedbyprocessingtrafficdata. EachTrafficReportsuniquelyidentifie
44、dbyanumber,theTINFOID,atimestamp,theTINFOversion. Note:IftheTrafficEventchanges,thetimestampchanges,buttheTINFOIDnumberdoesnot. 3.1.36TrafficSituation ThetotalnumberofallTrafficEventstakingplacethatdeservereportingwithinanarea.TheTrafficSituation isalwayslinkedtoanarea.Thus,forexample,anareascouldbeaconurbationorageometrically demarcatedarea;anexampleistheradiusaroundapoint. 3.1.37Voiceconnection Circuits
