ISO INTERNATIONAL STANDARD 21215 Second edition 2018-06 Intelligent transport systems Localized communications ITS-M5 Systemes intelligents detransport-Communicationslocalisees-M5 Referencenumber IS0 21215:2018(E) so @ISO2018 IS021215:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part 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 orIso's memberbody in the countryof the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 21215:2018(E) Contents Page Foreword ..iv Introduction.. ... 1 Scope. 2 Normative references 3 Terms and definitions ..1 4 Symbols and abbreviated terms .2 5 Generalrequirements .2 5.1 IEEE802.11 .2 5.2 Architecture .2 5.3 Hybridcommunications support .4 5.4 Path and flow management support ..4 5.5 MI-SAP support. .4 6 Communication interface protocol stack ..4 6.1 Physical layer.. .4 6.2 Mediumaccesscontrol sub-layer .5 6.3 Logical link control sub-layer. ..5 6.4 Communication adaptation sub-layer .6 7 Communication interface management .7 7.1 Generalmanagement .7 7.2 Management adaptation entity .7 7.2.1 802.11parameters and1-Parameters .7 7.2.2 802.11commandsandMI-SAPcommandsandrequests .7 7.2.3 802.11 management frames .8 8 Procedures ..8 8.1 Communication interface procedures .8 8.1.1 Transmit procedures .8 Receiveprocedures. 8.1.2 8.2 Management procedures 9 8.2.1 MAC address conflict ..9 8.2.2 Pseudonym MAC address change 9 8.2.3 Cross-CIprioritization ..9 8.2.4 Communicationrangereference .9 9 Conformance .9 10 Test methods. .9 AnnexA (normative)Communicationinterfaceparameters ..10 Annex B (normative) MI-CoMMANDs ..13 AnnexC (normative) MI-REQUESTs ..14 AnnexD(normative)ASN.1definitions ..15 AnnexE(normative)Pathandflowmanagementsupport ..18 AnnexF(informative)Frequencyallocations .19 Annex G (normative) Implementation conformance statement proforma ..23 Bibliography ..27 @ IS0 2018 - All rights reserved iii