An ultra-wideband triple-polarization reconfigurable Vivaldi array antenna

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Aeu-International Journal of Electronics and Communications Pub Date : 2024-11-05 DOI:10.1016/j.aeue.2024.155575

Yajin Wang, Minjian Ao, Jianxun Su, Qingxin Guo, Zengrui Li

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Abstract

This paper proposes an ultra-wideband (UWB) polarization reconfigurable array antenna (PRAA) which realizes linear polarization (LP), right-hand circular polarization (RHCP) and left-hand circular polarization (LHCP). The proposed UWB PRAA comprises a cross-orthogonal Vivaldi array antenna and a reconfigurable feeding network which is constructed by UWB phase shifters and power dividers. Polarized reconfiguration of the PRAA is achieved by controlling the on–off state of the PIN diodes on the reconfigurable feeding network. The proposed UWB PRAA has an LP operating bandwidth of 1.95–12.55 GHz with a maximum gain of 17 dBi, and the operating bandwidth of both LHCP and RHCP is 2.8–12.6 GHz with a maximum gain of 17.5 dBi. The relative bandwidth of the triple-polarized reconfiguration array antenna is 127 %. The measurement results show good agreement with simulation, which indicates the proposed antenna is a good candidate for advanced UWB and multi-polarization requirement systems.

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超宽带三极化可重构维瓦尔第阵列天线

本文提出了一种可实现线性极化（LP）、右旋圆极化（RHCP）和左旋圆极化（LHCP）的超宽带（UWB）极化可重构阵列天线（PRAA）。拟议的 UWB PRAA 由一个交叉正交维瓦尔第阵列天线和一个可重构馈电网络组成，后者由 UWB 移相器和功率分配器构成。通过控制可重构馈电网络上 PIN 二极管的通断状态，可实现 PRAA 的极化重配置。拟议的 UWB PRAA 的 LP 工作带宽为 1.95-12.55 GHz，最大增益为 17 dBi，LHCP 和 RHCP 的工作带宽为 2.8-12.6 GHz，最大增益为 17.5 dBi。三极化重配置阵列天线的相对带宽为 127%。测量结果与仿真结果显示出良好的一致性，这表明所提出的天线是先进的 UWB 和多极化要求系统的理想候选天线。

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来源期刊

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.