ISO INTERNATIONAL STANDARD 17515-3 First edition 2019-08 Intelligent transport systems Evolved-universal terrestrial radio accessnetwork Part 3: LTE-V2X Systemes intelligents de transport)-Reseau d'acces a la radio terrestreuniverselleévoluée (E-UTRAN) Partie 3: LTE-V2X Reference number ISO17515-3:2019(E) ISO @IS02019 IS017515-3:2019(E) COPYRIGHTPROTECTEDDOCUMENT IS02019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may on the internet or an intranet, without prior written permission. Permission can be requested from either Iso at the address below or Iso's memberbody in the country ofthe requester. ISO copyright office CP401: Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019-All rights reserved IS017515-3:2019(E) Contents Page Foreword V Introduction ..vi 1 Scope. .1 2 Normativereferences 3 Terms and definitions. .2 4 Symbols andabbreviated terms. .2 5 Usage of LTE in ITS .3 5.1 LTE features used in ITS. .3 5.2 GeneralaccesstotheInternet .3 5.3 Device-to-device communications (D2D) 4 5.4 Vehicle-to-everythingcommunications(V2x) 4 5.5 Implementationguidelines. 5 6 General requirements .5 6.1 LTE basics. 5 6.1.1 LTE-V2X 5 Supported LTE modes of operation .5 6.1.2 6.2 ITSstation 6 6.2.1 Stationandcommunicationarchitecture .6 6.2.2 Serviceaccesspoints. 8 6.2.3 Hybrid communications support 8 7 Communicationinterfaceprotocolstack .8 7.1 Physical layer. 8 7.2 Data link layer. 9 7.2.1 Basic behaviour.. .9 7.2.2 Data linklayercommunicationaddresses .9 7.2.3 Identificationofhigherlayerprotocols 9 7.3 Communication adaptation sub-layer 10 8 Communication interface management 11 8.1 General management. 11 8.2 Management adaptation entity. .11 8.2.1 LTE-V2X parameters and I-Parameters 11 8.2.2 LTE-V2Xmanagementcommands and MI-SAP commands andrequests .11 9 Procedures 12 9.1 Communication interfaceprocedures 12 9.1.1 Transmitprocedure 12 9.1.2 Receiveprocedure 12 Management procedures .12 9.2 9.2.1 Cross-CIprioritization .12 9.2.2 Operationalmode 13 9.2.3 LTE-V2X MAC address mapping. .13 9.2.4 CI connection procedure. 14 9.2.5 CI state management. .14 10 .14 Conformance 11 Test methods. .15 AnnexA (normative)Communicationinterfaceparameters .16 AnnexB (normative)MI-COMMANDs .19 AnnexC(normative)MI-REQUESTs .20 AnnexD (normative)ASN.1definitions. .21 @IS0 2019 - All rights reserved iii