一个紧的超宽带单天线与折叠的短线电线,用于车辆到一切 (V2X) 应用
Martin Wooseop Lee1, Feras Abushakra1, Zachary Choffin1
1Electrical and Computer Engineering Department, The University of Alabama, Tuscaloosa, AL 35487, USA.
Sensors (Basel, Switzerland)
|July 14, 2023
概括
一个新的超宽带单天线增强了车辆到一切 (V2X) 通信. 这种低调的设计显著扩大了无线通信范围,提高了V2X应用程序的性能.
科学领域:
- 电磁和天线工程 电磁和天线工程
- 无线通信系统无线通信系统
- 汽车技术 汽车技术
背景情况:
- 车辆到一切 (V2X) 通信系统需要强大而高效的天线来进行可靠的数据交换.
- 现有的V2X天线解决方案可能面临带宽,配置或成本的限制.
- 超宽带 (UWB) 技术为高数据速率和低延迟V2X通信提供了潜力.
研究的目的:
- 提出和评估一种新的容量供应,超宽带 (UWB),低形单天线,专门为V2X应用设计.
- 为了实现广泛的操作频率范围和高分频带宽,适合各种V2X通信需求.
- 在现实世界V2X场景中展示拟议天线的实际可行性和性能提升.
主要方法:
- 一个单形天线的设计,包括一个内部通过结构和一个外环,用于扩展带宽的折叠电线.
- 使用聚乳酸 (PLA) 和铜纳米粒子涂层的3D打印来制造天线.
- 性能特征包括频率范围 (0.75-7.6 GHz),分数带宽 (164%),增益 (2-10 dBi) 和效率 (~90%).
- 在车辆上与车载单元 (OBU) 和路边单元 (RSU) 集成的天线的现场测试.
主要成果:
- 拟议的天线实现了从0.75GHz到7.6GHz的广泛工作频率范围,带宽为164%的分数带宽.
- 天线显示了2到10dBi之间的增益,并在整个操作频段中保持了大约90%的效率.
- 现场测试证实,在使用拟议的天线时,V2X应用程序的无线通信范围更长.
结论:
- 开发的容量供应的UWB单天线是增强V2X通信系统的可行解决方案.
- 该天线的低调设计,宽带宽和高效率使其适合用于汽车集成.
- 在现场测试中展示的扩展通信范围验证了天线在实际V2X应用中的有效性.
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