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1、DRAFT FOR DEVELOPMENT DD CEN/TS 14821-2:2003 Traffic and Travel Information (TTI) TTI messages via cellular networks Part 2: Numbering and ADP message header ICS 35.240.60 ? Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Co
2、py, (c) BSI DD CEN/TS 14821-2:2003 This Draft for Development was published under the authority of the Standards Policy and Strategy Committee on 8 July 2003 BSI 8 July 2003 ISBN 0 580 42218 6 National foreword This Draft for Development is the official English language version of CEN/TS 14821-2:200
3、3. 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 provisional nature because technology in this area is rapidly evolving. It should be applied on this provisional basis, so that information and experien
4、ce of its practical application may be obtained. Comments arising from the use of this Draft for Development are requested so that UK experience can be reported to the European organization responsible for its conversion to a European standard. A review of this publication will be initiated 2 years
5、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 start 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
6、 the review period, the responsible BSI Committee will decide whether to support the conversion into a European standard, to extend the life of the Technical Specification or to withdraw it. Comments should be sent in writing to the Secretary of BSI Technical Committee EPL/278, Road transport inform
7、atics, at British Standards House, 389 Chiswick High Road, London W4 4AL, giving the document reference and clause number and proposing, where possible, an appropriate revision of the text. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-refer
8、ences The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British
9、 Standards Online. Summary of pages This document comprises a front cover, an inside front cover, the CEN/TS title page, pages 2 to 22, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since public
10、ation Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION CEN/TS 14821-2 May 2003 ICS 35.240.60 English version Traffic
11、and Travel Information (TTI) - TTI messages via cellular networks - Part 2: Numbering and ADP message header This Technical Specification (CEN/TS) was approved by CEN on 10 May 2001 for provisional application. The period of validity of this CEN/TS is limited initially to three years. After two year
12、s the members of CEN will be requested to submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard. CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available. It is permissib
13、le to keep conflicting national standards in force (in parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hun
14、gary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2003 C
15、ENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TS 14821-2:2003 E Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2003 (E) 2 Ta
16、ble of contents PAGE TABLE OF CONTENTS2 FOREWORD3 INTRODUCTION4 1.SCOPE5 2.NORMATIVE REFERENCES6 3.DEFINITIONS AND ABBREVIATIONS7 3.1Definitions7 3.2Abbreviations9 4.NUMBERING AND ADP MESSAGE HEADER14 4.1Application Data Protocol Message Header14 4.2Message Type Numbering15 4.3Application Identifier
17、s17 4.4ADP Version19 4.5Specification in ASN.120 BIBLIOGRAPHY22 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2003 (E) 3 Foreword This document (CEN/TS 14821-2:2003) has been prepared by Techni
18、cal Committee CEN/TC 278 “ Road transport and traffic telematics “, the secretariat of which is held by NEN, in collaboration with Technical Committee ISO/TC 204 “ Transport information and control systems “. This Technical Specification was prepared by Working Group 7 of CEN TC278. In the field of
19、Traffic and Traveller Information, the innovative rate is high, with many research and development projects under way in many countries, and there is a need to establish prospective standards which allow manufacturers to introduce competitive products to the market in the knowledge that they can acc
20、ommodate the future issues of the standard(s) without fundamental change to equipment. No known national Technical Specifications (identical or conflicting) exist on this subject. CEN/TS 14821 consists of eight parts; one part describing the framework and seven parts providing detailed specification
21、s of all components, protocols and services that are within the scope of CEN/TS 14821. In order to utilise even subsets from this Technical Specification and to over co-existance with other, proprietary protocols as requested by the market, it is planned to introduce an additional layer for routing
22、purposes. This TLV concept is currently under investigation and may be proposed as an additional part to this Technical Specification . According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce this Technical Specificatio
23、n: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: London South Bank University, London South Bank University,
24、Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2003 (E) 4 Introduction Traffic and Traveller Information (TTI) may be disseminated through a number of services or means of communication, covering static displays, portable terminals and in-vehicle equipment. For all suc
25、h services, the data to be disseminated, and the message structure involved in the various interfaces, require clear definition and standards formats in order to allow competitive products to operate with any received data. This Technical Specification focuses on an application data specification wh
26、ereby data is produced at a central location and is disseminated via a cellular radio network. It addresses the data specifications for both downlink and uplink existing between a central location and randomly located vehicles. It enables messages to be exchanged between different systems and servic
27、e providers adopting a variety of applications specifications. Other Technical Specification are being produced by the CEN TC278 Working Group 4 to cover TTI dissemination via other means or services. This set of specifications is named GATS (Global Automotive Telematics Standard). GATS provides the
28、 modular framework for implementing such traffic telematics services on an open technology platform and is network - independent. In many details definitions are necessary to ensure interoperability. Therefore, those detailed definitions are given in CEN/TS 14821-8. With the development of future mo
29、bile communication systems towards UMTS / IMT2000 the bottleneck of narrow-band data communication might fade. Due to its modular structure, the GATS framework and applications are prepared for that due to its network-independence. The same holds for emerging technologies for positioning which today
30、 is almost exclusively based on GPS. Other relevant standard developments are, independent from telematics, the application-independent Wireless Application Protocol (WAP), enabling mobile access to the Internet. It is understood that these emerging technologies might fit into the framework of telem
31、atics applications in future WAP-versions. For the time being, GATS already today independently from WAP enables access to telematics services. Utilisation of GATS on a WAP protocol stack and identifying necessary adaptation of WAP specifications (if any) is currently under investigation of the appr
32、opriate groups within WAP-Forum and GATS-Forum. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2003 (E) 5 1. Scope This Technical Specification defines the specific interfaces and functionality
33、of traffic telematics (TT) services based on the use of cellular networks. Device manufacturers are enabled to develop terminal equipment compatible to services based on this Technical Specification. This will allow for interoperability of different terminal equipment and service providers which all
34、ows competition between service providers and terminal manufacturers. Furthermore it sets the scene for international availability of these services. This Technical Specification specifies TT-specific interfaces between terminal and service centre. This especially incorporates the message sets of th
35、e application data protocols and the service-independent communication handling (including conditional access and transport protocols). Functionality, procedures and requirements of basic terminal components as well as their interaction with the service centre. This especially comprises conditional
36、access and security mechanisms. Service Specifications, which are essential to ensure consistent behaviour of terminal and service centre. The services incorporated within this issue comprise: breakdown and emergency services interactive traffic information services broadcast traffic information ser
37、vices navigation services (route assistance, route advice, homing) operator services general information services floating car data collection It is envisaged that future research and development will lead to improvements on the services listed above as well as to the creation of new services. Never
38、theless this Technical Specification provides the framework for seamless integration of new features and services into the existing architecture. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2
39、003 (E) 6 2. Normative references Not applicable. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2003 (E) 7 3. Definitions and abbreviations 3.1 Definitions For the purposes of this Technical Sp
40、ecification , the following terms and definitions apply: 3.1.1 Attribute (of a Traffic Information Message) A Traffic Information Message is made up of separate parts that can be called attributes. This includes, for example, an item of information and a length of validity. 3.1.2 Authorisation Recip
41、rocal proof that the identity provided by the communications partner is valid 3.1.3 Broadcast Service Data service within a cellular wireless network that allows for mono-directional dissemination of data from a service centre to multiple users in the area of signal reception 3.1.4 Bypass Descriptio
42、n Representation of a Bypass, consisting of a Bypass Hint and/or a Bypass Route. 3.1.5 Bypass Hint Representation of a hint for a Bypass 3.1.6 Bypass Link Prominent waypoints on a Bypass Route 3.1.7 Bypass Route Representation of the route for a Bypass 3.1.8 Cell Broadcast Broadcast service of the G
43、SM network 3.1.9 Data telegram Digital message exchanged between two systems 3.1.10 Delivery Notification Network acknowledgement for successful/ unsuccessful delivery of a message to the mobile device 3.1.11 Functional Road Class A classification based on the importance of the road element in the c
44、onnectivity of the total road network 3.1.12 Functional Road Class 0 Motorways 3.1.13 Functional Road Class 1 All non-Motorways that are part of a connection used for nation wide traffic and transport 3.1.14 Geocode Geocodes are unique identifiers unmistakably defining important points on road netwo
45、rks. Geocodes can be derived from / converted into WGS84 co-ordinates by the algorithm described in CEN/TS 14821 3. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 04:05:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN/TS 14821-2:2003 (E) 8 3.1.15 Hardware serv
46、ice agents Partner companies of the traffic telematics service providers who are authorised to install onboard equipment into vehicles and to maintain it 3.1.16 Homing Simple form of guidance to destination, in which the direction and straight-line distance of the destination are indicated 3.1.17 In
47、formation Element Information unit of a message 3.1.18 Intersection Junction of two or more roads 3.1.19 Length of a Speech Report Length of a Speech Report, including pauses, in tenths of a second 3.1.20 Mobile Originated Data telegram sent from the onboard equipment to the Service Centre. 3.1.21 M
48、obile Terminated Data telegram sent by the Service Centre to the onboard equipment. 3.1.22 Onboard equipment A system, generally mobile, interacting with the service centre to handle traffic telematics services 3.1.23 Road Junction Intersection of two or more roads 3.1.24 Route description Descripti
49、on of a route showing the geometry of street intersections, manoeuvre instructions, street and place names, and geographical co-ordinates 3.1.25 Service centre System produced by the traffic telematics operators / service providers to handle traffic telematics services 3.1.26 Short Message Service Packet-based form of data transfer within the GSM network 3.1.27 Speech connection Communications channel between two systems for the bi-directional transmission of speech 3.1.28 Speech Report
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