一个双频带灵活的MIMO阵列天线用于6 GHz以下的5G通信
Deepthi Mariam John1, Tanweer Ali1, Shweta Vincent2
1Department of Electronics and Communication Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India.
Sensors (Basel, Switzerland)
|September 19, 2025
概括
本研究介绍了用于6GHz以下5G应用的紧,灵活的双频天线. 这种新的设计提供了高增益和优秀的隔离,非常适合可穿戴和身体上的通信.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
背景情况:
- 现有的6GHz以下5G天线往往缺乏灵活性和紧性.
- 刚性和重的设计限制了可穿戴和身上的通信系统中的应用.
- 在实现高增益,隔离和小型化同时存在挑战.
研究的目的:
- 为6GHz以下应用开发一种新的双带灵活天线阵列.
- 在增益,带宽和隔离方面提高天线性能.
- 为了创建适合可穿戴设备的紧而灵活的MIMO配置.
主要方法:
- 一个单元单极天线的设计,采用修改的矩形散热器和L条纹.
- 扩展到使用1x2数组的四元,两端口MIMO配置.
- 整合一个有缺陷的地面结构 (DGS) 来改善隔离.
- 在柔性聚胺基板上制造,并通过测量验证性能.
主要成果:
- 在3.6-3.8 GHz和5.65-5.95 GHz频段实现双频段操作.
- 获得了5.2dBi和7.7dBi.的高增益.
- 证明了优异的隔离 (>22dB) 和优秀的MIMO多样性指标 (ECC<0.05,DG>9.99).
- 确认了低的特定吸收率 (SAR) 值,适用于体内应用.
- 整体紧的尺寸为57 × 50 × 0.1 mm3.3的整体紧尺寸.
结论:
- 拟议的灵活的双频MIMO天线为紧的,高性能的6GHz以下5G应用提供了优质的替代方案.
- 该设计有效地解决了可穿戴天线系统的尺寸,带宽,隔离和安全问题.
- 经过验证的性能证实了其适用于下一代移动通信设备的适用性.
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