用于5G NR应用的双频复合高增益MIMO天线,采用可共享的小电池无线电单元
Asadullah1, Nosherwan Shoaib2, Muhammad U Khan1
1School of Electrical Engineering and Computer Science (SEECS), National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan.
Scientific reports
|February 15, 2026
概括
本研究介绍了一种用于5G通信的新型4元MIMO天线,在5G NR FR1和FR2频段实现双频共振,以提高性能和覆盖范围.
科学领域:
- 电气工程 电气工程
- 天线理论天线理论
- 无线通信无线通信
背景情况:
- 5G新无线电 (NR) 需要能够在多种频段 (FR1和FR2) 运行的天线.
- 现有的天线解决方案往往难以高效地实现高收益和宽带宽的双频段共振.
- 开放无线电接入网络 (Open RAN) 规范需要紧,高性能天线用于小型电池部署.
研究的目的:
- 为5G NR FR1和FR2频段设计和验证一种新的复合MIMO天线元件.
- 为了实现双频共振,显著增强增强和广泛的阻抗带宽.
- 为了满足符合开放RAN的5G小电池无线电单元的严格要求.
主要方法:
- 设计了一种复合天线元件,该元件结合了U形导体结构和一个扰动筒电阻振荡天线 (PB-DRA).
- 这种U形结构装有蝶结贴片,用于寄生虫刺激和增益增强.
- 该PB-DRA的设计具有介电常数为8并且在高阶模式中激发FR2共振.
主要成果:
- 拟议的天线在3.85GHz (FR1) 和26.65GHz (FR2) 呈现双频带共振,显示出很大的频率比.
- 实现了2.02 GHz (FR1) 和5.3 GHz (FR2) 的阻抗带宽.
- 记录了8.23dB (FR1) 和13.14dB (FR2) 的峰值增益,具有终火辐射特征.
结论:
- 开发的复合MIMO天线有效地提供了对5G NR FR1和FR2频段至关重要的双频段操作.
- 天线设计符合开放式RAN规格,为5G小型电池应用提供高收益和宽带宽.
- 这种天线可以在广为分隔的频段中高效运行,支持多运营商无线电接入网络 (MORAN),并确保强大的室内/室外覆盖.
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