基于5G技术的智能车联网研究与展望

doi:10.11959/j.issn.1000-0801.2020058

摘要/Abstract

摘要：

5G通信技术迅速发展，未来车联网将以5G通信技术为基点，集成5G车载单元、5G基站、5G移动终端、5G 云服务器等先进设备，为多类型用户提供全方位的优质服务。首先概述了车联网 V2X 关键技术及其向5G时代的演化进程，5G正与车联网深度融合，具有部署成本相对较低、演进路线明确的技术优势；介绍了车际网、车内网、车载移动互联网三网融合方式及5G车联网的体系结构；然后，着重阐述了移动边缘计算（MEC）和网络切片等5G新兴关键技术在车联网场景中的应用和研究现状。最后提出了5G车联网在网络切换、网络安全与隐私保护、通信干扰等方面存在的问题，并指出了研究方向。

关键词: 5GV2X, 移动边缘计算, 网络切片

Abstract:

With the rapid development of 5G communication technology,in the future,V2X will take 5G communication technology as the starting point,integrate 5G vehicle unit,5G base station,5G mobile terminal,5G cloud server and other advanced equipment,to provide comprehensive and high-quality services for multi-type users.Firstly,the key technologies of V2X and its evolution to 5G era were outlined.5G is deeply integrated with the internet of vehicles,which has the technical advantages of relatively low deployment cost and clear evolution route.Then,the application and research status of 5G emerging key technologies such as mobile edge computing (MEC) and network slicing in typical application scenarios of the Internet of vehicles was focused on.Finally,the problems of 5G internet of vehicles in communication interference,network security and privacy protection,communication interference were put forward,and the research direction was pointed out.

Key words: 5G V2X, mobile edge computing, network slicing

中图分类号:

TP393

杨荣悦,张鹏洲,宋卿. 基于5G技术的智能车联网研究与展望[J]. 电信科学, 2020, 36(5): 106-114.

Rongyue YANG,Pengzhou ZHANG,Qing SONG. Research and prospect of intelligent internet of vehicles based on 5G technology[J]. Telecommunications Science, 2020, 36(5): 106-114.

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类型	业务场景	时延	数据分组	覆盖
交通安全	车载视频监控、驾驶实时监测、车辆防盗、自动驾驶、碰撞预警、行人防碰撞	短（5~100 ms）	小	小（<300 m）
交通效率	实况直播、全景合成、运行监控、车位共享、编队行驶、协同导航等能力	中（500 ms）	小	大（1 000 m~全覆盖）
信息服务	车载视频、车载AR/VR、车载视频通话、车载智慧家庭、汽车分时租赁、导航、动态地图	长（1 s）	大（可至兆级）	大（全覆盖）