BS ISO 15628-2013 Intelligent transport systems Dedicated short range communication (DSRC) DSRC application layer《智能运输系统 专用短程通信(DSRC) DSRC应用层》.pdf

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1、BSI Standards PublicationBS ISO 15628:2013Intelligent transport systems Dedicated short rangecommunication (DSRC) DSRCapplication layerBS ISO 15628:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 15628:2013. Itsupersedes BS ISO 15628:2007 which is withdraw

2、n.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/278, Intelligent transport systems.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract

3、. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80981 1ICS 03.220.01; 35.240.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under th

4、e authority of theStandards Policy and Strategy Committee on 30 November 2013.Amendments issued since publicationDate Text affectedBS ISO 15628:2013 ISO 2013Intelligent transport systems Dedicated short range communication (DSRC) DSRC application layerSystmes intelligents de transport Communications

5、 spcialises courte porte (DSRC) Couche dapplication DSRCINTERNATIONAL STANDARDISO15628Second edition2013-11-01Reference numberISO 15628:2013(E)BS ISO 15628:2013ISO 15628:2013(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights reserved. Unless otherwise specified, no par

6、t of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member bo

7、dy in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 15628:2013ISO 15628:2013(E) ISO 2013 All rights reserved iiiContents PageForeword ivIntroduction v1

8、Scope . 12 Normative references 23 Terms and definitions . 24 Abbreviations. 45 Structure of the application layer core 66 Transfer kernel 76.1 General . 76.2 Services 87 Initialisation kernel .217.1 General 217.2 Services . 217.3 Behaviour . 248 Broadcast kernel .278.1 General 278.2 Services . 278.

9、3 Behaviour . 289 Extensibility for different lower layer services and application interfaces .299.1 General 299.2 Extended definitions . 30Annex A (normative) Data structures 34Annex B (normative) Naming and registration 40Annex C (informative) Example of coding 41Annex D (normative) Declaration of

10、 application layer features supported .44Annex E (informative) Lower layer services 45Bibliography .49BS ISO 15628:2013ISO 15628:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing I

11、nternational Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison

12、 with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directi

13、ves, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some

14、 of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarat

15、ions received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information abou

16、t ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationISO 15628 was prepared by Technical Committee ISO/TC 204, Intelligent transport systems.This second edition cancels and replaces the first edition (ISO 15628:200

17、7), which has been technically revised.iv ISO 2013 All rights reservedBS ISO 15628:2013ISO 15628:2013(E)IntroductionThe communication requirements of many ITS applications can be fulfilled by DSRC. The DSRC International Standards enable compliant communication systems to serve multiple ITS applicat

18、ions in parallel.The small service areas and severe real-time constraints require a specific protocol architecture leading to the reduced protocol stack shown in Figure 1, built up by the “application layer”, the “data link layer” and the “physical layer”. Such architecture is very common for real-t

19、ime environments.This International Standard gives the architecture and services offered by the DSRC application layer.Figure 1 DSRC protocol stackThis International Standard contains, besides the normative main body, three normative annexes: “Data structures”, “Naming and registration”, “Declaratio

20、n of application layer features supported”; plus two informative annexes: “Example of coding” and “Lower layer services”. ISO 2013 All rights reserved vBS ISO 15628:2013BS ISO 15628:2013Intelligent transport systems Dedicated short range communication (DSRC) DSRC application layer1 ScopeThis Interna

21、tional Standard specifies the application layer core which provides communication tools for applications based on DSRC. These tools consist of kernels that can be used by application processes via service primitives. The application processes, including application data and application-specific func

22、tions, are outside the scope of this International Standard.This International Standard is named “application layer”, although it does not cover all functionality of OSI Layer 7 and it includes functionality from lower layers.It uses services provided by DSRC data link layer, and covers functionalit

23、y of intermediate layers of the “OSI Basic Reference Model” (ISO/IEC 7498-1).Figure 2 illustrates the global data flow between the parts of the DSRC stack (physical, data link and application layers) and the application.NOTE For definitions of the terms used in Figure 2, see ISO/IEC 7498-1.Figure 2

24、Architecture and data flow of the DSRC stackThe following subjects are covered by this International Standard: application layer structure and framework; services to enable data transfer and remote operations; application multiplexing procedure;INTERNATIONAL STANDARD ISO 15628:2013(E) ISO 2013 All r

25、ights reserved 1BS ISO 15628:2013ISO 15628:2013(E) fragmentation procedure; concatenation and chaining procedures; common encoding rules to translate data from abstract syntax ASN.1 (ISO/IEC 8824-1) into transfer syntax (ISO/IEC 8825-2:2008) and vice versa; communication initialisation and release p

26、rocedures; broadcast service support; DSRC management support including communication profile handling; and extensibility for different lower layer services and application interfaces.It is outside the scope of this International Standard to define a security policy. Some transport mechanisms for se

27、curity-related data are provided.NOTE No implementation of the “broadcast pool” functionality has become known. “Broadcast pool” functionality is therefore considered untested.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated r

28、eferences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO/IEC 8825-2:2008, Information technology ASN.1 encoding rules: Specification of Packed Encoding Rules (PER)3 Terms and definitionsFor the purposes of

29、 this document, the following terms and definitions apply.3.1applicationuser of the services offered by the DSRC communication stack3.2attributevalue, which may have a structure, consisting of a set or sequence of data elementsNote 1 to entry: The value of an “attribute” can be observed or modified

30、by sending a request to GET (read) or SET (write) the value.3.3attribute identifieridentifier which unambiguously distinguishes an attribute from all other attributes within the same element3.4beacon service tabledata structure transmitted by the RSU indicating available services3.5broadcast pooldat

31、a structure broadcast from the RSU to the OBUs3.6chainingfunction performed by the transfer kernel to link the execution of service primitives2 ISO 2013 All rights reservedBS ISO 15628:2013ISO 15628:2013(E)3.7concatenationfunction performed by the transfer kernel to map multiple T-APDU fragments int

32、o one data link layer service data unitNote 1 to entry: The inverse function is called separation or deconcatenation.3.8elementcoherent set of data and functionalityNote 1 to entry: Application elements are created by the applications and are addressed using element identifiers.3.9element identifier

33、identifier which unambiguously distinguishes an element from all other elements residing in the same OBU3.10fragmentationfunction performed by the transfer kernel to map one ASDU on multiple LSDUsNote 1 to entry: In ISO/IEC 7498-1, fragmentation is called segmentation.Note 2 to entry: The inverse fu

34、nction is called defragmentation or, in ISO/IEC 7498-1, disassembling.3.11head of the linequeuing discipline (also referred to as strict or fixed priority queuing), where a number of queues are served in priority orderNote 1 to entry: A lower priority queue is served if all higher priority queues ar

35、e empty, each queue is served in “first come, first served” order, and each user goes to the head of the line of the users of lower priorities but behind all users of equal or higher priority.3.12managementprovides and distributes values for the communication parameters for controlling the DSRC comm

36、unication stack3.13multiplexingfunction within the transfer kernel allowing simultaneous support for more than one application in a single OBU3.14operationabstract representation of behaviour invoked in an entity3.15profileinformation about capabilities and settings in the different DSRC layers3.16s

37、ingle-T-APDU fragmentT-APDU that contains a complete PDU3.17T-APDU fragmentfragment header followed by part or all of the encoding of a value of the ASN.1 type T-APDUs ISO 2013 All rights reserved 3BS ISO 15628:2013ISO 15628:2013(E)3.18timenumber of seconds passed since 1st January 1970, 00:00 (UTC)

38、3.19vehicle service tabledata structure transmitted by the OBU indicating available services4 AbbreviationsFor the purposes of this document, the following abbreviations apply.4.1ADUapplication data unit4.2AIDapplication identifier4.3APDUapplication protocol data unit4.4ARIBAssociation of Radio Indu

39、stries and Businesses4.5ASDUapplication service data unit4.6ASN.1abstract syntax notation one (ISO/IEC 8824-1)4.7ASTMAmerican Society of Testing and Materials4.8B-Kernelbroadcast kernel4.9BSTbeacon service table4.10CENComit europen de normalisation4.11DSRCdedicated short range communication4.12EIDel

40、ement identifier4 ISO 2013 All rights reservedBS ISO 15628:2013ISO 15628:2013(E)4.13EVENT-RTevent-report4.14FCSframe check sequence4.15IDidentifier4.16IEEEInstitute of Electrical and Electronic Engineers4.17IIDinvoker identifier4.18I-Kernelinitialisation kernel4.19LIDlogical link control identifier4

41、.20LLClogical link control4.21LPDULLC protocol data unit4.22LSDULLC service data unit4.23L1layer 1 of DSRC (physical layer)4.24L2layer 2 of DSRC (data link layer)4.25L7application layer core of DSRC4.26MACmedium access control4.27NENNederlands Normalisatie-instituut ISO 2013 All rights reserved 5BS

42、ISO 15628:2013ISO 15628:2013(E)4.28OBUon-board unitNote 1 to entry: This equipment usually resides on board a vehicle.4.29PDUprotocol data unit4.30PPDUphysical layer protocol data unit4.31PSDUphysical layer service data unit4.32PERpacked encoding rules (ISO/IEC 8825-2:2008)4.33RSUroad-side unitNote

43、1 to entry: This is often referred to as beacon.4.34RTTTroad transport and traffic telematics4.35SDUservice data unit4.36T-APDUtransfer application protocol data unit4.37T-Kerneltransfer kernel4.38VSTvehicle service table5 Structure of the application layer coreThe “application layer core” shall con

44、sist of the T-Kernel and either the I-Kernel or the B-Kernel, or both.Figure 3 shows the application layer kernels and the relationships to external entities. The T-Kernel provides the basic transportation facilities that can be used by the I-Kernel, by the B-Kernel and by the applications.6 ISO 201

45、3 All rights reservedBS ISO 15628:2013ISO 15628:2013(E)Figure 3 Context and structure of the application layer core6 Transfer kernel6.1 GeneralThe T-Kernel shall transfer information between two peer kernels or applications, and shall abstract from the realization of this transfer.The T-Kernel shall

46、 offer its services by means of service primitives defined in 6.2.2.The T-Kernel shall transfer the information by means of T-APDUs defined in Annex A.The T-Kernel shall realize the transfer by means of a protocol with the behaviour defined in 6.2.5.The T-Kernel shall use the services of the logical

47、 link control sub-layer of the DSRC data link layer, which is defined in Clause 9 and Annex E.NOTE The behaviour defined in 6.2.5 does not guarantee that the service elements with the same priorities will be delivered to a receiving application in the same order as they were delivered to the T-Kerne

48、l on the sending side. ISO 2013 All rights reserved 7BS ISO 15628:2013ISO 15628:2013(E)6.2 Services6.2.1 GeneralThe T-Kernel shall provide the following services: GET: The invocation of the “GET” service by an application shall result in the retrieval (reading) of information (i.e. attributes) from

49、a peer application. The service shall only be requested in a confirmed mode, and a reply is expected. SET: The invocation of the “SET” service by an application shall result in the modification (writing) of information (i.e. attributes) by a peer application. The service may be requested in confirmed or non-confirmed mode. In confirmed mode, a reply is expected. ACTION: The invocation of the “ACTION” service by an application shall result in the performance of an action by a peer application. An action i