Independent Beamscanning Dual-Polarization Dual-Resonance Reconfigurable Reflectarray Antenna With High Aperture Efficiency

IF 4.6 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2026-10-01 Epub Date: 2026-08-18 DOI:10.1109/LAWP.2026.3725127

Lining Xu;Xianjun Sheng;Ning Liu;Tianxi Feng;Hui Li;Lei Guo

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Abstract

This letter presents an independent dual-polarization reconfigurable reflectarray antenna (RRA) with high aperture efficiency. Two pairs of patches and four varactor diodes are fabricated on a single layer to achieve over 360° continuous phase shift control in dual polarizations with good linearity. When the incidence angle varies from 0° to 50° in the TM and TE planes, the maximum phase and amplitude deviations are only 34° and 1.7 dB. The carefully optimized patch arrangement and bias circuits provide the element with independent phase control capability and a cross-polarization isolation of over 35 dB. A 12 × 12 element prototype was fabricated and measured. Experimental results demonstrate that the prototype supports ±60° 2-D beam scanning in both polarizations. For x - and y -polarizations, the measured aperture efficiencies are 52.2% and 51.1%, respectively, and the corresponding measured 3 dB gain bandwidths are 16.9% and 17.7%. The proposed design can improve the coverage area of the transmit antenna because of the high aperture efficiency, which is believed to be a good candidate for simultaneous wireless power and information transfer (SWIPT).

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高孔径效率独立波束扫描双极化双共振可重构反射阵天线

本文提出了一种独立的高孔径效率双偏振可重构反射天线（RRA）。两对贴片和四个变容二极管在单层上制造，以实现360°以上的连续相移控制，具有良好的线性度。当入射角在TM和TE平面范围内为0°~ 50°时，最大相位和幅度偏差仅为34°和1.7 dB。精心优化的贴片排列和偏置电路为元件提供了独立的相位控制能力和超过35 dB的交叉极化隔离。制作了一个12 × 12单元样机并进行了测量。实验结果表明，样机在两种极化下均支持±60°二维波束扫描。x偏振和y偏振的孔径效率分别为52.2%和51.1%，相应的3db增益带宽分别为16.9%和17.7%。该设计由于具有较高的孔径效率，可以提高发射天线的覆盖面积，是同时无线供电和信息传输（SWIPT）的理想选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.