具有高前后比的超表面天线,具有单层和紧的尺寸,适用于WLAN应用程序
Tan Dao-Duc1, Noi Truong-Quang1, Tu Le-Tuan1
1Faculty of Electrical and Electronic Engineering, PHENIKAA University, Hanoi, Vietnam.
PloS one
|May 12, 2025
概括
这项研究介绍了一种新的,紧的,单层的超表面 (MS) 天线. 该设计实现了高前后比率 (FBR) 和增益,性能优于复杂的多层天线.
科学领域:
- 电磁和天线工程 电磁和天线工程
- 超级材料和超级表面
- 微波和射频工程 微波和射频工程
背景情况:
- 传统的超表面 (MS) 天线通常具有多层设计,导致重的配置和复杂的制造.
- 在紧的天线设计中实现高前后比率 (FBR) 仍然是该领域的一个重大挑战.
- 现有的MS天线可能会因为尺寸和复杂性减少而损害性能.
研究的目的:
- 提出和演示一种新的单层,紧的超表面 (MS) 天线,具有高的前后比率 (FBR).
- 为了呈现一个设计,克服传统的多层MS天线的局限性.
- 通过模拟和测量来验证拟议天线的性能.
主要方法:
- 一个2x2单元细胞的超表面 (MS) 辐射层被设计和容量地合到一个定向食交叉补丁.
- 为了增强FBR,一个基板集成的波导腔被纳入.
- 制造了一种原型天线,尺寸为0.52λ x 0.52λ x 0.03λ,并测量了.
主要成果:
- 拟议的天线实现了大约10.6%的测量运行带宽.
- 紧的单层设计在整个操作带宽中表现出高宽侧增益,超过5.2dBi.
- 在整个带宽上始终保持高前后比率 (FBR),大于16dBi.
结论:
- 开发的单层MS天线为需要高FBR和增益的应用提供了紧而高效的解决方案.
- 拟议的设计表明,与传统的,更复杂的MS天线相比,其性能优越.
- 这项工作为高性能小型化天线系统提供了一种新的配置.
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