5G V2X赋能车路协同系统  

作　　者：贲伟 王宏善 蒋飞[2] 

机构地区：[1]南京莱斯网信技术研究院有限公司,南京210014 [2]中国电子科技集团公司第二十八研究所,南京210007

出　　处：《科技创新与应用》2024年第17期10-14,20,共6页Technology Innovation and Application

基　　金：自主式交通系统超视距全息感知与信息传输共享技术国家重点研发计划(2022YFB4300304)。

摘　　要：车路协同是信息通信、智能汽车、交通运输和交通管理等行业深度融合的新型产业业态,处于人工智能、5G和交通三大国家战略的交汇点。5G V2X无线通信技术作为关键赋能型技术,将有助于构建“路-云-车-人-网”协同的车联网生态体系。该文首先介绍车路协同系统的定义、主要建设内容及其典型应用场景。其次以应用牵引,针对5G新空口-车用无线通信(NR-V2X)技术中的直连通信应用于自动驾驶场景的具体需求进行研究,给出不同业务场景下对通信性能和安全的需求说明。最后,针对车路协同系统低时延、高可靠和高并发的系统需求,分析5G NR V2X物理层、资源分配、拥塞控制和Qos与安全设计的相关原理。Vehicle-road coordination is a new type of industry with deep integration of information and communication,intelligent automobile,transportation and traffic management,which is at the intersection of artificial intelligence,5G and transportation.As a key enabling technology,5G V2X wireless communication technology will help to build a"road-cloud-vehicle-human-network"collaborative vehicle networking ecosystem.Firstly,this paper introduces the definition,main construction contents and typical application scenarios of vehicle-road collaborative system.Based on the application traction,this paper studies the specific requirements of the directly connected communication in the 5G new air port-vehicle wireless communication(NR-V2X)technology applied to the autopilot scenario,and gives the description of the communication performance and security requirements in different business scenarios.Finally,according to the system requirements of low delay,high reliability and high concurrency of vehicle-road collaborative system,the related principles of 5G NR V2X physical layer,resource allocation,congestion control,Qos and security design are analyzed.

关 键 词：车路协同 5G NR V2X 智能网联 直连通信 人工智能 

分 类 号：TU495[建筑科学—土工工程]