一个灵活的双带4 × 4 MIMO天线用于5G毫米波28/38 GHz可穿戴应用
Rakesh N Tiwari1, Deepti Sharma2, Prabhakar Singh3
1Department of Electronics and Communication Engineering, Madanapalle Institute of Technology and Science, Madanapalle, Andhra Pradesh, 517325, India.
Scientific reports
|June 21, 2024
概括
本研究介绍了一种紧的双频多输入多输出 (MIMO) 天线,用于28/38 GHz运行的5G可穿戴设备. 新的设计确保了高性能和安全性,满足了毫米波应用的监管标准.
科学领域:
- 电磁学和天线设计
- 无线通信系统无线通信系统
- 毫米波技术的技术.
背景情况:
- 对于高速无线通信的需求,需要为5G应用提供先进的天线解决方案.
- 毫米波频率 (28/38 GHz) 提供了相当大的带宽,但需要为可穿戴设备提供专门的天线设计.
- 现有的多输入多输出 (MIMO) 天线经常面临尺寸,双频段操作和与可穿戴技术集成的挑战.
研究的目的:
- 提出和验证一种新的,紧的,双频,四端口的MIMO天线.
- 为了实现5G可穿戴应用在28 GHz和38 GHz的高效运行.
- 确保天线满足可穿戴设备集成的性能,灵活性和安全要求.
主要方法:
- 为了实现双频功能,采用了集圆形和圆形结构与线的独特设计.
- 为了可穿戴的兼容性,MIMO天线是在灵活的罗杰斯3003基板上制造的.
- 评估了性能指标,包括收益,效率,外相关系数 (ECC),多样性收益 (DG),平均有效收益 (MEG),通道容量损失 (CCL),总活性反射系数 (TARC),曲分析和特定吸收率 (SAR).
主要成果:
- 该天线实现了4.15dBi (28GHz) 和7.73dBi (38GHz) 的峰值实现收益,总效率分别为80.13%和85.44%.
- 在所有评估的MIMO参数 (ECC,DG,MEG,CCL,TARC) 中观察到令人满意的表现,表明强大的多样性表现.
- 天线表现出良好的灵活性和符合FCC/ICNIRP安全标准,平均SAR值处于极限之内.
结论:
- 拟议的双频,四端口MIMO天线是28/38 GHz 5G可穿戴应用的有希望的解决方案.
- 紧的尺寸,灵活的基板和高性能,加上安全合规性,使其适合集成到可穿戴设备中.
- 该设计成功地满足了下一代移动技术中对高效可靠毫米波通信的需求.
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