ISO 17515-1:2015 高度道路交通システム—陸上移動体の通信アクセス（CALM）—進化したユニバーサル地上無線アクセスネットワーク（E-UTRAN）—パート1：一般的な使用法 | ページ 2

Foreword

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The committee responsible for this document is ISO/TC 204, Intelligent transport systems.

ISO 17515 consists of the following parts, under the general title Intelligent transport systems — Communications access for land mobiles (CALM) — Evolved Universal Terrestrial Radio Access Network (E-UTRAN):

• Part 1: General usage

Additional parts, dealing with direct communications and routing functionalities, are under preparation.

Introduction

This International Standard is a member of the set of International Standards developed under the acronym “Communications Access for Land Mobiles” (CALM) that refers to ISO/TC 204 work items. An introduction to this set of International Standards is provided in ISO 21217.

This part of ISO 17515 is part 1 of a multipart standard which determines usage of technology developed under the acronym E-UTRAN for usage as a communication interface in an ITS station unit.

The term long-term evolution (LTE) is commonly used to refer to the set of standards containing the E-UTRAN technical specifications. In this part of ISO 17515, the term “E-UTRAN” is used to refer to these specifications and can be treated as a synonym for “LTE”.

1 Scope

This part of ISO 17515 enables usage of the E-UTRAN cellular network technology as an ITS access technology in an ITS station by specifying details of the “Communication Adaptation Layer” (CAL) and the “Management Adaptation Entity” (MAE) of communication interfaces specified in ISO 21218, and session management by reference to ISO 25111.

Wherever practicable, this part of ISO 17515 has been developed by reference to suitable extant standards, adopted by selection.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

Bibliography