使用自我隔离技术设计紧型MIMO补丁天线的方法
Noi Truong-Quang1, Tan Dao-Duc1, Phuong Kim-Thi2
1Faculty of Electrical and Electronic Engineering, Phenikaa University, Yen Nghia, Ha Dong, Hanoi 12116, Vietnam.
Sensors (Basel, Switzerland)
|April 12, 2025
概括
这项研究介绍了一种新的紧型高增益多输入,多输出 (MIMO) 补丁天线设计. 该方法使用自解补丁来实现小元素间距和高隔离,提高天线性能.
科学领域:
- 电气工程 电气工程
- 天线理论天线理论
- 无线通信无线通信
背景情况:
- 传统的大型多输入,多输出 (MIMO) 天线阵列经常因多个补丁和脱网络而增加尺寸.
- 在紧密的天线元件之间实现高隔离是紧的阵列设计的一个重大挑战.
研究的目的:
- 为一个紧的,高收益的MIMO补丁天线提出设计方法.
- 为了在MIMO数组中实现极小的元素间距,同时保持高隔离度.
- 通过创新的元件和供应网络设计,增强天线增益和带宽.
主要方法:
- 使用紧的自我解补丁来减少元素间距并改善隔离.
- 采用多个补丁和T结分区分器的组合,以提高增益和带宽.
- 通过测量两元MIMO天线原型验证设计概念.
主要成果:
- 在4.8 GHz表现出良好的操作特性,元素间距只有0.008λ.
- 实现了大约5%的运行带宽.
- 获得的隔离水平优于19dB,最大宽侧增益为7.2dBi.
结论:
- 拟议的自解补丁天线设计有效地解决了传统MIMO阵列的尺寸限制.
- 采用T结分隔器方法,成功地提高了增益和带宽,同时保持了隔离.
- 经过验证的设计为紧,高性能MIMO天线系统提供了有前途的解决方案.
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