NR-V2X中侧行链路及资源分配技术的研究

Research on sidelink and resource allocation technology in NR-V2X

NR-V2X是V2X发展的第3阶段,为满足5G新业务的要求,NR-V2X相比于LTE-V2X,提出了新的V2X技术。本文结合3GPP会议最新进展,从NR-V2X工作阶段开始,到RAN1#98b会议为止,总结了NR-V2X技术的发展历程,介绍了侧行链路、复用方式、资源池分配方式、资源选择过程以及模式共存等关键技术,并结合各公司的提案以及标准化进程,对NR-V2X中侧行链路和资源分配技术的关键问题,进行了分析总结,对后续的研究方向提出了展望。

NR-V2X is the third stage of V2X development.In order to fulfi ll the requirements of 5G new services,NR-V2X proposes a new V2X technology compared to LTE-V2X.This paper refers to the latest progress of the 3GPP meetings,summarized the development process of NR-V2X technology from the NR-V2X work item to RAN1#98b meeting.This paper introduced some key technologies such as sidelink link,multiplexing mode,resource pool allocation method,resource selection process and mode coexistence.Combined with the proposals of various companies and the standardization process,this paper analyzed and summarized some key issues of sidelink and resource allocation technology in NR-V2X,and proposed the future research directions.