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1、BS ISO 21212:2008 ICS 03.220.01; 35.240.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Intelligent transport systems Communications access for land mobiles (CALM) 2G Cellular systems Licensed Copy: London South Bank University, South Bank University, 31/01
2、/2009 03:04, Uncontrolled Copy, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2008 BSI 2008 ISBN 978 0 580 55719 4 Amendments/corrigenda issued since publication DateComments BS ISO 21212:2008 National foreword This Brit
3、ish Standard is the UK implementation of ISO 21212:2008. The UK participation in its preparation was entrusted to Technical Committee EPL/278, Road transport informatics. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purp
4、ort to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c)
5、 BSI BS ISO 21212:2008 Reference number ISO 21212:2008(E) ISO 2008 INTERNATIONAL STANDARD ISO 21212 First edition 2008-11-01 Intelligent transport systems Communications access for land mobiles (CALM) 2G Cellular systems Systmes de transport intelligents Accs de communication pour services mobiles t
6、errestres (CALM) Systmes cellulaires 2G Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this f
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9、hat the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All rights reserved. Unless otherwise specified, no part of this publication ma
10、y be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel.
11、 + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008 All rights reserved Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) ISO 2008 All
12、rights reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Conformance. 1 3 Normative references. 1 4 Terms and definitions. 2 5 Abbreviated terms 2 6 Requirements 3 6.1 Adoption of other standards and internationally adopted practices 3 6.2 Non packet-switching cellular networks 3 6
13、.3 CALM architecture 3 6.4 CALM networking protocols 3 6.5 CALM service access points . 3 6.6 CALM interface manager . 3 6.7 CALM using public wireless networks. 4 6.8 Establishment of a medium specific session 4 6.9 Interface medium management. 4 7 Medium access control (MAC) 4 7.1 CALM 2G/2.5G cel
14、lular communications MMAE service primitives 4 7.2 CALM 2G/2.5G cellular communications MMAE functionality. 6 8 Test and conformance requirements 6 9 Marking, labelling and packaging. 7 10 Declaration of patents and intellectual property. 7 Licensed Copy: London South Bank University, South Bank Uni
15、versity, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) iv ISO 2008 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International
16、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 with ISO, al
17、so take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committ
18、ees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the poss
19、ibility that some 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. ISO 21212 was prepared by Technical Committee ISO/TC 204, Intelligent transport systems. Licensed Copy: London South Bank Universit
20、y, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) ISO 2008 All rights reserved v Introduction This International Standard is part of a family of International Standards for CALM (“Communications Access for Land Mobiles”) which specify a common
21、 architecture, network protocols and communications interface definitions for wireless communications using different bearer technologies, e.g. second and third generation cellular, 5 GHz microwave, 60 GHz millimetre-wave, mobile wireless broadband, and Infra-red communications. Other air interfaces
22、 may be added at a later date. These wireless communications interfaces are designed to provide parameters and protocols for broadcast, point-point, vehicle-vehicle, and vehicle-point communications in the ITS Sector. This International Standard determines the air interface parameters for CALM commu
23、nications via 2G/2.5G cellular networks. CALM standards are explicitly designed to enable quasi-continuous communications as well as communications of protracted duration between vehicles and service providers, and between vehicles. The fundamental advantage of the CALM concept over traditional syst
24、ems is the ability to support media independent handover (MIH), also referred to as heterogeneous handover, between the various media supported by CALM (e.g., cellular, microwave, mobile wireless broadband, infra-red, DSRC). Selection policies are supported that include user preferences and media ca
25、pabilities in making decisions as to which media to use for a particular session, and when to handover between media or between service providers on the same medium. These handover mechanisms are defined within the CALM architecture International Standard (ISO 21217), the CALM networking protocols I
26、nternational Standard (ISO 21210), the CALM medium service access points International Standard (ISO 21218) and the CALM management International Standard (ISO 24102). Handovers between access points using the same technology and service provider use mechanisms that are defined within the particular
27、 medium specific CALM Standard. ITS applications include the update of roadside telemetry and messaging, internet, image and video transfer, infotainment, multimedia multicast, traffic management, monitoring and enforcement in mobile situations, route guidance, car-to-car and point-to-multipoint saf
28、ety messaging, maintenance management, and “yellow page” services among others. This International Standard provides definitions and procedures for the establishment and maintenance of an ITS communications session within a CALM system environment using 2G/2.5G cellular communications. Licensed Copy
29、: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 INTERNATIONAL STANDARD ISO 21212:2008(E) ISO 2008 A
30、ll rights reserved 1 Intelligent transport systems Communications access for land mobiles (CALM) 2G Cellular systems 1 Scope This International Standard determines the air interface for second generation (2G) cellular networks and 2G systems (e.g. using WAP and I-Mode type protocols) to be compliant
31、 to CALM, i.e., requirements that must be met before a 2G system can be incorporated into a CALM system. In particular, this International Standard specifies protocols and parameters that 2G systems shall include to support prolonged, long-range, high data rate wireless communication links in ITS en
32、vironments where heterogeneous handovers or media independent handovers (MIH) are either necessary to maintain the link, or desirable as determined by media selection policies. This International Standard provides protocols and parameters for long range, medium speed wireless communications in the I
33、TS sector using second generation cellular communications. Wherever practicable, this International Standard has been developed by reference to suitable extant standards, adopted by selection. Required regional variations are provided. Specifically, for this International Standard, extant 2G systems
34、, as defined by various international and national standards, are adopted by reference. Application-specific upper layers are not included in this International Standard, but will be driven by application standards (which may not be technology specific). 2 Conformance In order to claim conformance w
35、ith this International Standard, cellular communication shall be established in full compliance with local telecommunications procedures and protocols for the appropriate 2G/2.5G Standards, and shall comply with the requirements of ISO 21210, ISO 21217, ISO 21218 and ISO 24102 (see Clause 3). 3 Norm
36、ative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 21210, Intelligent transport
37、 systems Communications access for land mobiles (CALM) Networking Protocols ISO 21217, Intelligent transport systems Communications access for land mobiles (CALM) Architecture ISO 21218, Intelligent transport systems Communications access for land mobiles (CALM) Medium service access points ISO 2410
38、2, CALM Management Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) 2 ISO 2008 All rights reserved ISO 25111, CALM using Public Networks General requirements ANSI/TIA-136-A, Mobile Station-Base Statio
39、n Compatibility Standard for Wideband Spread Spectrum Cellular Systems ARIB RCR STD-27, Personal Digital Cellular (PDC) Telecommunication System (Fascicle 1) TIA/EIA/IS-54-C, Cellular System Dual-Mode Mobile StationBase Station Compatibility Standard TIA-95-B, Mobile Station-Base Station Compatibili
40、ty Standard for Wideband Spread Spectrum Cellular Systems 3GPP/3GPP2, 3GPP/3GPP2 Standards as they relate to 2G/2.5G 4 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 21217 apply. 5 Abbreviated terms Abbreviated terms used in this document are listed b
41、elow. Reference should also be made to ISO 14817. ANSI American national standards institute ARIB association of radio industries and businesses CALM communications access for land mobiles CDMA code division multiple access DSRC dedicated short range communication EIA electronic industries associati
42、on EGPRS enhanced global packet radio service GSM global system for mobile communications MMAE media management adaption entity PDC personal digital cellular TIA telecommunication industry association WAP wireless application protocol 3GPP third generation partnership project 3GPP2 third generation
43、partnership project two Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) ISO 2008 All rights reserved 3 6 Requirements 6.1 Adoption of other standards and internationally adopted practices Equipment a
44、nd systems complying to this International Standard shall operate in the environment of, and to the parameters defined for, 2G and 2.5G systems in one the following sets of standards and internationally adopted practices: 3GPP (including GSM/EGPRS) active specifications TIA-95-B (cdmaOne) ANSI/TIA-1
45、36-A TIA/EIA/IS-54-C ARIB PDC RCR Standard No.27 3GPP2 (for CDMA2000-1x, which is considered to be 2.5G in some countries). The equipment and systems shall operate within the limits and parameters defined in regional and national regulations. 6.2 Non packet-switching cellular networks Non packet-swi
46、tched cellular networks shall not be used for CALM communication sessions, except to transmit non time-critical emergency messages from the vehicle to predetermined numbers or assistance centres. NOTE “Non time critical” in this context does not imply that it is not important to transmit the message
47、 as quickly as possible, but implies that the time taken to establish communication with the target number is non time critical and can follow predetermined dial up protocols according to normal dialling procedures. 6.3 CALM architecture Equipment and systems complying to this International Standard
48、 shall operate in the environment of, and to the parameters defined within, ISO 21217. 6.4 CALM networking protocols Equipment and systems complying to this International Standard shall operate in the environment of, and to the parameters defined within, ISO 21210. 6.5 CALM service access points Equ
49、ipment and systems complying to this International Standard shall operate in the environment of, and to the parameters defined within, ISO 21218. 6.6 CALM interface manager Equipment and systems complying to this International Standard shall operate in the environment of, and to the parameters defined within, ISO 24102. Licensed Copy: London South Bank University, South Bank University, 31/01/2009 03:04, Uncontrolled Copy, (c) BSI BS ISO 21212:2008 ISO 21212:2008(E) 4 ISO 2008 All rights reserved 6.7