一个高收益的双带共享光圈阵列,集成零级共振补丁和更高级超表面天线
Qian Chen1, You-Feng Cheng2, Chen-Hao Shao1
1Institute of Electromagnetics, Southwest Jiaotong University (SWJTU), Chengdu, 610031, China.
Scientific reports
|July 19, 2023
概括
这项研究引入了一种用于车辆通信的新型双频共享孔径天线,集成零次共振 (ZOR) 补丁和超表面天线 (MA). 该设计在C和Ku频段实现了高收益,支持车辆到基站和车辆到卫星的链接.
科学领域:
- 电磁和天线 电磁和天线
- 无线通信工程 无线通信工程
背景情况:
- 车载通信系统需要强大的天线,能够在多种应用中实现双频段操作.
- 现有的天线设计经常面临高频损失和集成复杂性的挑战.
研究的目的:
- 提出并验证用于车载通信的新型高收益共享光圈天线阵列.
- 为实现双频段性能,将混合式零级共振 (ZOR) 补丁天线与更高阶的超表面天线 (MA) 集成.
主要方法:
- 设计了一个共享光圈阵列,包括C频段的4x4混合ZOR补丁和Ku频段的2x2MA.
- 使用槽合来养由ZOR补丁组成的元表面.
- 制造了天线,并测量了它的性能.
主要成果:
- 设计的阵列证明了C频段 (4.74-5.12 GHz) 和Ku频段 (13.0-14.0 GHz) 的双频段操作.
- 在C频段实现了12.7dBi的峰值增益,在Ku频段达到17.2dBi.
- 特定的阵列布局最大限度地减少了Ku频段损失.
结论:
- 拟议的天线有效地支持车辆通信,包括车辆到基站和车辆到卫星的链接.
- 集成的ZOR补丁和MA设计为高收益的双频汽车天线应用提供了有前途的解决方案.
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