C-V2X资源分配方法研究综述

Summary of research on C-V2X resource allocation method

C-V2X是基于蜂窝网络技术演化而来的车联网(IoV)解决方案,是5G网络中的极可靠低时延通信(uRLLC)中重要的一部分,车联网技术的实现对现代交通具有重要意义。本文对近些年来国内外学者在该研究领域取得的成果进行了系统总结:对车联网的定义做了简要说明,并对C-V2X的标准研究进展进行了总结;对LTE-V2X和NR-V2X下的集中式和分布式资源调度方式分别进行了阐述,并对现有研究方法做了分类;最后,对未来研究可能面临的挑战进行了展望。

The Internet of Vehicles(IoV)is a research hotspot of the fifth generation(5G)mobile communication network.Cellular Vehicle To Everything(C-V2X)is an Internet of Vehicles solution based on cellular network technology and is an important part of ultra-Reliable and Low Latency Communication(uRLLC)in 5G network.The realization of the Internet of Vehicles technology is of great significance to modern transportation.This paper offers a systematic survey of existing research achievements of the domestic and foreign researchers in recent years.Firstly,a brief description of the definition of the Internet of Vehicles is given,and the standard research progress of C-V2X is summarized.Next,the centralized and distributed resource scheduling methods under LTE-V2X and NR-V2X are described respectively,and the existing research methods are classified.Finally,a perspective of the future work in this research area is discussed.