基于蜂窝车联网(Cellular Vehicle-to-Everything,C-V2X)的车辆编队协同控制通信技术,依靠直连通信接口实现车辆间实时信息交互,提升队列行驶的稳定性与效率。本文系统分析C-V2X系统架构及其在车辆编队中的应用,探讨从长期演进-车辆联网...基于蜂窝车联网(Cellular Vehicle-to-Everything,C-V2X)的车辆编队协同控制通信技术,依靠直连通信接口实现车辆间实时信息交互,提升队列行驶的稳定性与效率。本文系统分析C-V2X系统架构及其在车辆编队中的应用,探讨从长期演进-车辆联网(Long Term Evolution-Vehicle to Everything,LTE-V2X)至新空口-车辆联网(New Radio-Vehicle to Everything,NR-V2X)的演进路径;研究协同控制机制的设计与性能验证,评估潜在安全威胁及防护策略。通过整合感知、定位与云控技术,提出优化方案以满足低时延、高可靠的应用需求。研究表明,该技术可降低间距误差、保证串稳定性,为智能交通提供技术支撑。本文进一步讨论通信协议优化与实际部署挑战,强调多模态融合的重要意义,以期推动车辆编队向更高智能化水平发展。展开更多
Driven by the global“dual-carbon”goals,hydrogen fuel cell electric vehicles(FCEVs)are being rapidly promoted as a zero-emission transportation solution.However,their large-scale application is constrained by issues ...Driven by the global“dual-carbon”goals,hydrogen fuel cell electric vehicles(FCEVs)are being rapidly promoted as a zero-emission transportation solution.However,their large-scale application is constrained by issues such as inefficient operation,poor information flow between vehicles and stations,and potential safety hazards,which are caused by insufficient intelligence of hydrogen refueling stations.This study aims to address these problems by deeply integrating Cellular Vehicle-to-Everything(C-V2X)technology with hydrogen refueling stations,thereby building a safe,efficient,and low-carbon hydrogen energy application ecosystem to promote the global transition to zero-carbon transportation.Firstly,through literature review and technical analysis,this study expounds on the core technologies and process flows of current hydrogen refueling stations,aswell as the technical architecture and development evolution of C-V2X technology.Then,based on the analysis of relevant literature,it proposes a“vehicle-road-station-cloud”collaborative architecture that integrates C-V2X with hydrogen refueling stations.Combined with 5G communication and big data technologies,it elaborates on the implementation path for achieving real-time data interaction among hydrogen refueling stations,hydrogen-powered vehicles,and road infrastructure.This interconnection mode enables hydrogen refueling stations to obtain real-time information of surrounding vehicles,which plays an important role in building a safe,efficient,and low-carbon hydrogen energy application ecosystem and promoting the global transition to zero-carbon transportation.Finally,the future development prospects and potential of this scheme are put forward.展开更多
Since the evolving standardization of cellular V2X(C-V2X)technologies is continuously developed by 3GPP,research on new radio(NR-V2X)has been on schedule by academic and industries.Though millimeter wave(mm Wave)frequ...Since the evolving standardization of cellular V2X(C-V2X)technologies is continuously developed by 3GPP,research on new radio(NR-V2X)has been on schedule by academic and industries.Though millimeter wave(mm Wave)frequency band is supposed to provide large transmission bandwidth,yet the development of mm Wave band in NR-V2X is still in preliminary stage.In this article,a comprehensive discussion of mm Wave NR-V2X is given covering trends,standardization landscape,and enabling technologies,aiming at tackling the challenge of channel modeling,directional channel access,beamforming and blockage management.The vision of mm Wave NR-V2X is to fully support the development of automated driving,holographic control display and improved in-car infotainment for the future.展开更多
文摘基于蜂窝车联网(Cellular Vehicle-to-Everything,C-V2X)的车辆编队协同控制通信技术,依靠直连通信接口实现车辆间实时信息交互,提升队列行驶的稳定性与效率。本文系统分析C-V2X系统架构及其在车辆编队中的应用,探讨从长期演进-车辆联网(Long Term Evolution-Vehicle to Everything,LTE-V2X)至新空口-车辆联网(New Radio-Vehicle to Everything,NR-V2X)的演进路径;研究协同控制机制的设计与性能验证,评估潜在安全威胁及防护策略。通过整合感知、定位与云控技术,提出优化方案以满足低时延、高可靠的应用需求。研究表明,该技术可降低间距误差、保证串稳定性,为智能交通提供技术支撑。本文进一步讨论通信协议优化与实际部署挑战,强调多模态融合的重要意义,以期推动车辆编队向更高智能化水平发展。
基金supported in part by the Key Research and Development Program of Shandong Province under Grant 2022KJHZ002.
文摘Driven by the global“dual-carbon”goals,hydrogen fuel cell electric vehicles(FCEVs)are being rapidly promoted as a zero-emission transportation solution.However,their large-scale application is constrained by issues such as inefficient operation,poor information flow between vehicles and stations,and potential safety hazards,which are caused by insufficient intelligence of hydrogen refueling stations.This study aims to address these problems by deeply integrating Cellular Vehicle-to-Everything(C-V2X)technology with hydrogen refueling stations,thereby building a safe,efficient,and low-carbon hydrogen energy application ecosystem to promote the global transition to zero-carbon transportation.Firstly,through literature review and technical analysis,this study expounds on the core technologies and process flows of current hydrogen refueling stations,aswell as the technical architecture and development evolution of C-V2X technology.Then,based on the analysis of relevant literature,it proposes a“vehicle-road-station-cloud”collaborative architecture that integrates C-V2X with hydrogen refueling stations.Combined with 5G communication and big data technologies,it elaborates on the implementation path for achieving real-time data interaction among hydrogen refueling stations,hydrogen-powered vehicles,and road infrastructure.This interconnection mode enables hydrogen refueling stations to obtain real-time information of surrounding vehicles,which plays an important role in building a safe,efficient,and low-carbon hydrogen energy application ecosystem and promoting the global transition to zero-carbon transportation.Finally,the future development prospects and potential of this scheme are put forward.
基金supported by the National Key Research and Development Program of China(2020YFB1807900)the National Natural Science Foundation of China(61931005,62001051)。
文摘Since the evolving standardization of cellular V2X(C-V2X)technologies is continuously developed by 3GPP,research on new radio(NR-V2X)has been on schedule by academic and industries.Though millimeter wave(mm Wave)frequency band is supposed to provide large transmission bandwidth,yet the development of mm Wave band in NR-V2X is still in preliminary stage.In this article,a comprehensive discussion of mm Wave NR-V2X is given covering trends,standardization landscape,and enabling technologies,aiming at tackling the challenge of channel modeling,directional channel access,beamforming and blockage management.The vision of mm Wave NR-V2X is to fully support the development of automated driving,holographic control display and improved in-car infotainment for the future.
