关于多次访问干扰对LTE-V2X和NR-V2X侧链通信的影响
Abdul Rehman1, Roberto Valentini1, Elena Cinque1,2
1Center of Excellence EX-EMERGE, Department of Information Engineering, Computer Science and Mathematics, University of L'Aquila, 67100 L'Aquila, Italy.
Sensors (Basel, Switzerland)
|July 11, 2023
概括
新的5G 新的无线电-V2X (NR-V2X) 提高了车辆通信的可靠性,并减少了与LTE-V2X相比的延迟. 这项研究模拟了NR-V2X在车队驾驶中的性能,证实了其在联网和自动驾驶方面的优越性.
科学领域:
- 无线通信无线通信
- 汽车技术 汽车技术
- 电信工程 电信工程 电信工程
背景情况:
- 自动驾驶汽车需要可靠,低延迟的通信,推动先进无线电接入技术的发展.
- 来自3GPP的5G新无线电V2X (NR-V2X) 规范旨在满足对连接和自动驾驶的严格要求.
- 现有的LTE-V2X (模式4) 提供了汽车通信性能比较的基线.
研究的目的:
- 开发一个分析模型来评估NR-V2X通信性能,特别是基于传感的半持久调度 (模式2).
- 在车辆排队场景中,将NR-V2X性能与传统的LTE-V2X (模式4) 进行比较.
- 评估多次访问干扰对不同条件下的数据包成功概率的影响.
主要方法:
- 创建了一个分析模型来评估LTE-V2X和NR-V2X的数据包成功概率.
- 使用时刻匹配近似法 (MMA) 来近似SINR统计数据,使用纳卡加米-lognormal通道模型.
- 分析模型的准确性通过广泛的Matlab模拟来验证.
主要成果:
- 在车辆通信中,NR-V2X在LTE-V2X上表现出显著的性能提升.
- 这种改进在车辆间距离较长,车辆数量多的场景中尤其显著.
- 分析模型准确预测性能,并通过模拟结果验证.
结论:
- 与LTE-V2X相比,NR-V2X在连接和自动驾驶的用例中提供了更高的性能.
- 开发的分析模型为规划和配置车辆排队提供了可靠的工具.
- 这种建模方法减少了在系统设计中对广泛的模拟或实验测量的需求.
关键词:
3GPP是什么 3GPP是什么5G NR-V2X 5G NR-V2X 5G NR-V2X 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G 5G NR-V2X NR-V2X NR-V2X NR-V2X NR-V2X 5G 5G 5G 5G NR-V2X NR-V2X这是一个错误的误解.C-V2XX 在线播放这是一个LTE-V2X.模式 2 模式 2 模式模式 4 模式 4 模式这就是SINR.分析模型是一种分析模型.多重访问干扰多重访问干扰排队排队是指排队的组成部分.车辆通讯 车辆通讯
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