采用混合合器和双极化散热器的四端口高收益MIMO天线的紧设计
Phuong Kim-Thi1, Thang Nguyen-Van2, Dat Nguyen-Tien3
1Faculty of Electrical and Electronics Engineering, Thuyloi University, Hanoi, Vietnam.
PloS one
|December 11, 2025
概括
一个新的多输入多输出 (MIMO) 天线设计使用双极化散热器和混合合器,以实现紧,高增益的性能. 这种创新方法可以实现高效的多港运营,具有出色的隔离和多样性特征.
科学领域:
- 电气工程 电气工程
- 天线理论和设计.
背景情况:
- 传统的多输入多输出 (MIMO) 天线系统通常需要大量的辐射元件,从而增加了尺寸和复杂性.
- 在紧的MIMO天线中同时实现高增益和良好的端口间隔离仍然是一个重大的设计挑战.
研究的目的:
- 为一个紧的,高收益的MIMO天线引入一种新的设计方法.
- 为了展示一个只有两个辐射元件实现的四端口MIMO阵列.
- 通过制造和测量验证天线的性能.
主要方法:
- 拟议的设计整合了两个双极化散热器与两个混合合器.
- 混合合器用于激发双极化元素的两个端口,具有特定的大小和相位.
- 制造了一种原型天线,并进行了全面的电磁测量.
主要成果:
- 紧天线原型 (尺寸[公式:见文本] × [公式:见文本] × [公式:见文本]) 实现了从4.72到4.87GHz的3.1%的运行带宽.
- 端口间隔离在整个工作频段超过10dB.
- 获得了大约8.0dBi的测量增益,以及有利的多样性性能指标.
结论:
- 拟议的设计方法成功实现了MIMO天线的多端口操作,高增益和紧尺寸.
- 双极化散热器和混合合器的集成为先进的无线通信系统提供了高效的解决方案.
- 演示的性能验证了新型天线架构的有效性.
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