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V2X关键技术应用与发展综述
刘宗巍,匡旭,赵福全
0
(清华大学 a.汽车产业与技术战略研究院;b.汽车安全与节能国家重点实验室,北京 100084)
摘要:
V2X(Vehicle-to-Everything)通信技术是智能交通和智能汽车的支撑技术之一,但目前仍然面临技术路线不明确、政策发展滞后等问题,尚未得到有效推广。系统阐述了V2X技术的内涵和重要作用,重点解析了专用短程通信(Dedicated Short Range Communication,DSRC)和基于蜂窝网络的车辆对外通信(Cellular-V2X,C-V2X)两类V2X主要技术路线的特点和当前问题,总结了国内外相关政策法规、技术标准和产业化活动的最新进展,在此基础上分析了未来V2X技术发展的关键趋势,从而为国家制定V2X相关政策法规、企业明确技术战略方向提供参考。
关键词:  车联网  智能交通  V2X通信  技术路线
DOI:
基金项目:国家自然科学基金资助项目(U1764265);北京市自然科学基金项目(9162008)
A survey on applications and development of V2X key technologies
LIU Zongwei,KUANG Xu,ZHAO Fuquan
(a.Automotive Strategy Research Institute;b.State Key Laboratory of Automotive Safety and Energy,Tsinghua University,Beijing 100084,China)
Abstract:
Vehicle-to-everything(V2X) communication technology is one of the enablers for intelligent transportation and intelligent vehicles.However,considering the problems such as unspecific technology paths and policy-making lags,it has not been deployed effectively.To clear up the existing confusion,this paper clarifies benefits and significance of V2X applications,and focuses on illustrating the characteristics and current problems of two major V2X technology solutions,dedicated short range communication(DSRC) and cellular-V2X(C-V2X).Based on a summary of the latest progress in relevant policies,laws,standards and industrialization,the future trend of V2X is analyzed to provide reference for Chinese government to formulate related policies and regulations,as well as for enterprises to define their strategic direction.
Key words:  Internet of vehicles  intelligent transportation  V2X communication  technology path
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