欧洲C-ITS V2X通信架构标准TR 302 665详解

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"C-ITS V2X 欧洲标准总体架构 tr 302 665，是关于智能交通系统（Intelligent Transport Systems, ITS）通信架构的欧洲标准，由ETSI（欧洲电信标准协会）发布。该文档版本为EN 302 665 V1.1.1，发布于2010年9月。关键词包括：架构、互操作性、ITS和传输。这份标准详细规定了C-ITS（Cooperative Intelligent Transport Systems）V2X（Vehicle-to-Everything）通信的相关技术细节和整体架构，是ITS-G5和DSRC（Dedicated Short Range Communications）等无线通信技术在欧洲应用的基础。" C-ITS V2X技术是一种车辆与外界环境进行通信的技术，包括车对车（V2V）、车对基础设施（V2I）、车对行人（V2P）等多种交互方式，旨在提高交通安全、减少交通拥堵和优化能源效率。欧洲标准EN 302 665 V1.1.1详细定义了C-ITS V2X的通信架构，涵盖了以下几个核心知识点： 1. **通信架构**：该标准定义了一个整体框架，包括不同通信实体间的交互方式、信息传递流程以及数据交换协议。这确保了不同设备和系统之间的互操作性，无论制造商是谁。 2. **ITS-G5和DSRC技术**：ITS-G5是基于IEEE 802.11p标准的无线通信技术，用于V2X通信。EN 302 665标准详细阐述了如何在欧洲范围内实施和标准化这些技术，以实现安全高效的车辆通信。 3. **互操作性**：标准规定了不同设备和服务之间如何通过标准接口和协议进行通信，确保了跨厂商设备的兼容性，这对于大规模部署C-ITS V2X系统至关重要。 4. **传输协议和安全性**：文档中包含了数据传输的安全措施，如加密和身份验证机制，以防止恶意攻击和保护用户隐私。 5. **更新和维护**：ETSI的标准通常会随着时间进行更新和修订，EN 302 665也不例外。使用者需要注意当前标准的状态，以确保使用的是最新版本。 6. **应用实例**：标准不仅限于理论描述，还可能包含实际应用案例，帮助开发者和工程师理解如何将这些规范应用于实际的交通场景。 7. **合规性要求**：对于在欧洲市场销售和运营的C-ITS V2X设备和服务，符合EN 302 665标准是必要的，以满足法规要求。 C-ITS V2X欧洲标准EN 302 665 V1.1.1是智能交通系统发展的重要参考，对于车辆通信技术的开发、测试和部署具有深远影响。随着V2X技术的日益普及，这个标准对于保障欧洲地区的交通智能化和安全具有不可忽视的作用。

ETSI

ETSI EN 302 665 V1.1.1 (2010

09)

[12] ISO/IEC 29281: "Intelligent Transport Systems - Communications access for land mobiles

(CALM) - Non-IP networking".

[13] IEEE Standard 802-2001: "IEEE Standard for Local and Metropolitan Area Networks: Overview

and Architecture".

2.2 Informative references

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] IEEE 802.11: "IEEE Standard for Information Technology-Telecommunications and information

exchange between systems-Local and metropolitan area networks-Specific requirements;

Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY)

Specifications".

[i.2] IEEE 1609: "Trial-Use Standard for Wireless Access in Vehicular Environments (WAVE)".

[i.3] CEN EN 12253: "Road transport and traffic telematics - Dedicated Short Range, Communication

(DSRC) - Physical layer using microwave at 5,8 GHz".

[i.4] CEN EN 12795: "Road transport and traffic telematics - Dedicated Short Range, Communication

(DSRC) - DSRC data link layer: medium access and logical link control".

[i.5] CEN EN 12834: "Road transport and traffic telematics - Dedicated Short Range Communication

(DSRC) - DSRC application layer".

[i.6] ETSI TS 102 636 (all parts): "Intelligent Transport Systems (ITS); Vehicular Communications;

GeoNetworking".

[i.7] ETSI TS 102 636-6-1: "Intelligent Transport Systems (ITS); Vehicular Communications;

GeoNetworking; Part 6: Internet Integration; Subpart 1: Transmission of IPv6 Packets".

[i.8] ETSI TS 102 637-2: "Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set

of Applications; Part 2: Specification of Co-operative Awareness Basic Service".

[i.9] ETSI TS 102 637-3: "Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set

of Application; Part 3: Specification of Decentralized Environmental Notification Basic Service".

[i.10] ETSI TS 102 723-1: " Intelligent Transport Systems; OSI cross-layer topics; Part 1: Architecture

and addressing schemes".

[i.11] ETSI TS 102 723-2: " Intelligent Transport Systems; OSI cross-layer topics; Part 2: Management

information base".

[i.12] ETSI TS 102 723-3: "Intelligent Transport Systems; OSI cross-layer topics; Part 3: Interface

between management entity and access layer".

[i.13] ETSI TS 102 723-4: "Intelligent Transport Systems; OSI cross-layer topics; Part 4: Interface

between management entity and network and transport layers".

[i.14] ETSI TS 102 723-5: "Intelligent Transport Systems; OSI cross-layer topics; Part 5: Interface

between management entity and facilities layer".

[i.15] ETSI TS 102 723-6: "Intelligent Transport Systems; OSI cross-layer topics; Part 6: Interface

between management entity and security entity".

[i.16] ETSI TS 102 723-7: "Intelligent Transport Systems; OSI cross-layer topics; Part 7: Interface

between security entity and access layer".

[i.17] ETSI TS 102 723-8: "Intelligent Transport Systems; OSI cross-layer topics; Part 8: Interface

between security entity and network and transport layers".

[i.18] ETSI TS 102 723-9: "Intelligent Transport Systems; OSI cross-layer topics; Part 9: Interface

between security entity and facilities layer".

ETSI

ETSI EN 302 665

V1.1.1 (2010

09)

[i.19] ETSI TS 102 723-10: "Intelligent Transport Systems; OSI cross-layer topics; Part 10: Interface

between access layer and network and transport layers".

[i.20] ETSI TS 102 723-11: "Intelligent Transport Systems; OSI cross-layer topics; Part 11: Interface

between network and transport layers and facilities layer".

[i.21] ETSI EN 302 895: "Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of

Applications; Local Dynamic Map (LDM) Specification".

3 Definitions and abbreviations

3.1 Definitions

For the purposes of the present document, the terms and definitions given in [3], [4], [9], [10], [11], [12], [13] and the

following apply:

access layer: OSI physical and data link layers for ITSC

central ITS station: ITS station in a central ITS sub-system

central ITS sub-system: ITS sub-system in the context of an ITS centre

communication adaptation layer: optional upper part of the access layer for legacy access technologies

communication interface: instantiation of a specific access layer technology and protocol, e.g. ITS-G5, GPRS, UMTS

FA interface: interface between the facilities layer and the ITS-S applications entity

facilities layer: OSI layers five, six and seven for ITSC

generic domain: collection of legacy elements used for ITS/ITSC

IN interface: interface between the access layer and the networking & transport layer

inter-management communication: ITSC station-internal communication between management entities

in-vehicle network: implementation of the ITS station-internal network in a vehicle

ITS application: association of two or more complementary ITS-S applications

ITS domain: collection of elements used for ITS/ITSC being specified in dedicated ITS/ITSC standards

ITS service: service provided by an ITS application to the user of ITS

ITS station: functional entity specified by the ITS station (ITS-S) reference architecture

ITS sub-system: sub-system of ITS with ITSC components for a specific context

ITS-S application: fragment of an ITS application available at an ITS station that uses ITS-S services to connect to one

or more other fragments of the same ITS application

ITS-S border router: routing functionality based on the ITS station reference architecture connecting to legacy

networking protocols

ITS-S gateway: gateway functionality based on the ITS station reference architecture

ITS-S host: functionality of the whole ITS station reference architecture, i.e. especially also including ITS-S

applications

ITS-S interceptor: generic router/gateway functionality

ITS-S router: routing functionality based on the ITS station reference architecture

ITS-S service: communication functionality offered by an ITS-S to an ITS-S application

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