一款应用于5G的圆极化微带相控阵列天线设计
Design of a Circularly Polarized Microstrip Phased Array for 5G Applications
DOI: 10.12677/JA.2023.124006, PDF,   
作者: 倪 涛, 陈官韬：西安导航技术研究所，陕西 西安；伊良镛：西安电子科技大学电子工程学院，陕西 西安
关键词: 微带天线；圆极化；相控阵；Microstrip Antenna； Circularly Polarized； Phased Array
摘要: 本文提出一种用于5G通信的圆极化微带相控阵列天线。首先，提出并设计了一款双馈点的圆极化微带天线单元，在无限周期阵中的仿真结果表明，该阵列单元在两个主平面实现 ± 30度的扫描，在3.4~3.7 GHz频段内的反射系数S11 < −10和轴比AR < 3.5 dB。最后，设计了一款7 × 7圆极化微带阵列天线，仿真结果表明，该阵列天线工作在3.4~3.7 GHz频段，在扫描范围内的轴比均小于3 dB，且在扫描范围内增益变化平稳，实现了良好的圆极化扫描特性。
Abstract: This article proposes a circularly polarized microstrip phased array antenna for 5G communication. Firstly, a doubly-fed circularly polarized microstrip antenna unit was proposed and designed. Sim-ulation results in an infinite periodic array showed that the array unit achieved ± 30 degree scan-ning on two main planes, with a reflection coefficient of S11 < −10 dB and the axial ratio of AR < 3.5 dB in the 3.4~3.7 GHz frequency band. Finally, a 7 × 7 microstrip array antenna was designed, and the simulation results showed that the array antenna operated in the 3.4~3.7 GHz frequency band. The axial ratio within the scanning range is less than 3dB, and the gain changes smoothly within the scanning range, achieving good circularly polarized scanning characteristics.
文章引用：倪涛, 陈官韬, 伊良镛. 一款应用于5G的圆极化微带相控阵列天线设计[J]. 天线学报, 2023, 12(4): 49-56. https://doi.org/10.12677/JA.2023.124006

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