八端口毫米波MIMO天线装载了新的频率选择面,用于更高的数据传输速率
Malini Soman1, Manish Sharma2, Seema Narwal1
1Department of Electronics and Communication Engineering, School of Engineering and Technology, SGT University, Gurugram, Haryana, India.
PloS one
|February 2, 2026
概括
本研究介绍了一种八口多进多输出 (MIMO) 天线,用于28 GHz毫米波波段的频率选择面 (FSS). 集成系统实现了高级无线应用的高增益和定向辐射模式.
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:
- 毫米波 (mmWave) 频率,特别是28 GHz频段 (n257/n261),对于下一代无线通信系统至关重要.
- 多输入多输出 (MIMO) 天线技术提高了光谱效率和链路可靠性.
- 频率选择性表面 (FSS) 提供独特的电磁过能力,对于控制信号干扰和提高天线性能至关重要.
研究的目的:
- 为28 GHz毫米波应用设计和评估一个集成的八端口MIMO天线系统与FSS.
- 为了实现高增益和定向辐射模式,以增强无线通信.
- 分析特定吸收率 (SAR) 以符合安全要求.
主要方法:
- 一个八个端口的MIMO天线的设计,具有一个圆环辐射补丁和一个嵌入的加号形状的头.
- 集成一个 10x10 阵列 FSS,作为一个带停止波器,与 MIMO 天线.
- 使用微条带输入线和四分之一波变压器进行阻抗匹配.
主要成果:
- 拟议的MIMO天线实现了13.89dBi.Bi的峰值实现增益.
- 观察到有方向的二维辐射模式.
- FSS结构证明了在28 GHz时有效的带停止过.
- 特定吸收率 (SAR) 分析在28 GHz时得出0.0274 W/kg的值.
结论:
- 集成的MIMO天线和FSS系统是28 GHz毫米波通信的可行解决方案.
- 该设计提供高增益和定向辐射,适用于先进的无线系统.
- 该系统符合低SAR值的安全要求.
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