概括
本研究介绍了一种用于毫米波应用的紧型循环极化多输入多输出 (CP-MIMO) 天线,采用了新的解元件. 创新的设计实现了低相互合和宽轴比带宽,非常适合5G和卫星系统.
科学领域:
- 天线工程天线工程
- 电磁学 电磁学 电磁学 电磁学
- 无线通信无线通信
背景情况:
- 毫米波 (mm-wave) 频率对于下一代无线系统,如5G和卫星通信至关重要.
- 多输入多输出 (MIMO) 天线技术提高了数据吞吐量和可靠性.
- 在毫米波波段的紧型CP-MIMO天线中实现高性能面临诸如相互合和有限的带宽等挑战.
研究的目的:
- 引入一种创新的混合方法来设计一个紧的循环极化 (CP) 多输入多输出 (MIMO) 天线.
- 开发一种有效的解技术,以减轻毫米波MIMO天线中的相互合 (MC).
- 通过模拟和实验性比较验证天线的性能,证明其适用于先进的无线应用.
主要方法:
- 一个混合天线设计,包含四个直角矩形槽式散热器,一个六角环混合合器形状的寄生元件 (HRHCP) 和一个后面的耶路撒冷十字形脱基 (JCDG).
- 使用诸如散热器槽,介电导和寄生元素等技术进行小型化.
- 为单个和MIMO天线配置开发等效电路模型 (ECM),以提供分析见解.
主要成果:
- 拟议的CP-MIMO天线实现了35×35×0.508mm3.8的紧尺寸.
- 观察到优秀的S参数,S11下降<-10dB在24.2329.02 GHz和低相互合的S12下降在-29dB.
- 从26.128.5 GHz实现了3dB轴比 (AR) 带宽,最大收益为7.07.5dBi.
结论:
- 开发的混合CP-MIMO天线有效地减轻了使用JCDG和HRHCP元素的相互合.
- 该天线的紧尺寸,低相互合和宽AR带宽使其非常适合5G,卫星和其他毫米波应用.
- 模拟和实验结果之间的密切一致性验证了拟议的设计和分析模型.
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