摘要
专用短程通信(DSRC)和蜂窝V2X(C-V2X)是目前车联网2种主流的无线接入技术,然而现有的技术版本已逐渐不能满足更多先进车辆应用的通信需求,如全自动驾驶业务。首先简要介绍DSRC和C-V2X(现有LTE-V2X)关键技术及其对比,然后针对其演进,即IEEE 802.11bd和NR V2X,进行深入比较,侧重于解析其物理层和MAC层设计理念,最后在此基础上面向不同建设场景提出了基于PC5-Uu混合组网的V2X组网方案。
Dedicated short-range communication(DSRC)and Cellular V2X(C-V2X)are the two main radio access technologies of V2X.However,the existing technology versions have gradually failed to meet the communication requirements of more advanced vehicle applications,such as fully automatic.It first briefly introduces the key technologies and comparisons of DSRC and CV2X(existing LTE-V2X),and then makes in-depth comparisons for its evolution,namely IEEE 802.11bd and NR V2X,focusing on the analysis of its physical layer and MAC layer design concept.Based on this,a V2X networking solution based on PC5-Uu hybrid networking is proposed for different construction scenarios.
作者
黄陈横
Huang Chenheng(Guangdong Planning and Designing Institute of Telecommunications Co.,Ltd.,Guangzhou 510630,China)
出处
《邮电设计技术》
2020年第11期46-52,共7页
Designing Techniques of Posts and Telecommunications
