为n261频段使用27GHz的8端口MIMO天线,并探索以身体为中心的通信
Anupma Gupta1, Meet Kumari2, Manish Sharma3
1Department of Interdisciplinary Courses in Engineering, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, Punjab, India.
PloS one
|June 20, 2024
概括
本研究介绍了一种用于身体中心网络的紧型5G天线,实现了宽带宽和稳定的车身性能. 8个元素的MIMO设计将可靠的无线医疗保健应用的合最小化.
科学领域:
- 电磁学和天线设计
- 无线通信系统无线通信系统
- 生物医学工程 生物医学工程
背景情况:
- 身体中心网络 (BCN) 需要紧,高效的天线来实现无无线连接.
- 现有的天线在MIMO系统中经常面临带宽,机身性能和元素间合方面的挑战.
- 5G n261频段为NCB应用中高速数据传输提供了机会.
研究的目的:
- 为5G以身体为中心的网络设计和评估一个紧的宽带天线.
- 为了研究天线在自由空间和机身上场景中的性能.
- 开发一个8元的MIMO配置,并评估其合和多样性性能.
主要方法:
- 设计了一个T形散热器补丁天线,有一个环形地面平面和变压器阻抗输送线.
- 模拟在自由空间中进行,并使用虚拟身体模型来评估身体上的性能.
- 配置了一个8元的MIMO阵列,采用了减轻元素间合的技术.
主要成果:
- 该天线实现了27 GHz的共振频率,具有2.0 GHz的阻抗带宽 (26-28 GHz).
- 车身上的性能证明了稳定的运行,反射系数为-30 dB (自由空间) 和-40 dB (车身上).
- 8个元素的MIMO配置表现出高的隔离 (>20 dB相邻,>30 dB其他) 和优秀的多样性性能 (ECC=0.005,DG=9.97).
结论:
- 拟议的紧型天线适用于5G BCN应用,提供宽带宽和强大的车身性能.
- 八元MIMO阵列有效地管理合,确保无线医疗保健的可靠数据传输.
- 低的特定吸收率证实了天线在可穿戴和医疗设备中使用的安全性.
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