对于5G N77/N78/N79频段的高隔离MIMO天线系统
Xuanhe Wei1, Jiaping Lu1, Youming Miao1
1College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou 325035, China.
Micromachines
|June 27, 2024
概括
本研究介绍了一种新的对称双频段多输入多输出 (MIMO) 天线,用于5G移动设备,实现高隔离以提高性能. 该设计确保在关键的5G频段中可靠的连接.
科学领域:
- 电气工程 电气工程
- 无线通信无线通信
- 天线理论天线理论
背景情况:
- 第五代 (5G) 移动终端需要先进的天线系统来实现高速数据传输.
- 多输入多输出 (MIMO) 天线技术对于提高5G网络的频谱效率和链路可靠性至关重要.
- 在紧的移动设备中,在距离较近的天线元件之间实现高度隔离,这在设计上是一个重大挑战.
研究的目的:
- 为5G移动终端设计和验证一个对称的双频MIMO天线系统.
- 在5G N77/N78 (3.4-3.6 GHz) 和N79 (4.8-5.0 GHz) 频段内有效运行.
- 实现天线元件之间的高度隔离,以最大限度地减少干扰并最大限度地提高系统性能.
主要方法:
- 提出了一种对称的双频MIMO天线系统,结合了插槽和自解技术,以增强隔离.
- 天线元件采用矩形微条式散热器和接地矩形环设计,这些环位于与智能手机主板相对垂直的框架上.
- 料网络在主板上实现,连接到板底部的外部SMA连接器.
主要成果:
- 拟议的MIMO天线系统显示出高隔离度,在5G低频段 (N77/N78) 超过20dB,在高频段 (N79) 超过24dB.
- 测量结果与模拟结果非常一致,验证了天线系统的性能.
- 该设计成功地将天线元素集成到垂直于主板的框架上,优化空间利用.
结论:
- 开发的对称双频MIMO天线系统适用于5G移动终端,提供卓越的隔离和性能.
- 采用的插槽和自解技术有效地解决了紧的5G设备中元素隔离的挑战.
- 经过验证的设计为增强移动平台5G通信能力提供了强大的解决方案.
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