用于 5G 多波束系统的超宽带和高隔离度毫米波双极化端射天线

IF 4.6 1区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Antennas and Propagation Pub Date : 2024-09-27 DOI:10.1109/TAP.2024.3465604

Qingquan Tan;Kuikui Fan;Weiliang Yu;Leilei Liu;Guo Qing Luo

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引用次数: 0

摘要

本文介绍了一种超宽带、高隔离度双极化末端发射天线。基于基片集成波导（SIW）和带状线的高隔离度，我们创新性地开发了一种由 SIW 供电的磁电偶极子作为垂直极化（VP）端射天线，以及一种由带状线供电的锥形槽天线作为水平极化（HP）端射天线。这两种天线可实现超宽带宽，并可共享一个辐射孔径。同时，ME 偶极子作为一种寄生结构，大大改善了 TSA 在工作频段的阻抗匹配。基于这种创新设计，所提出的双极化端射天线实现了 60% 的工作带宽和超过 35 dB 的端口隔离度。为了满足 5G 通信系统的要求，我们设计了一个由七个双极化端射天线和一个 3-D 打印的 Luneburg 透镜组成的多波束天线系统。测量结果表明，多波束天线的重叠带宽达到 58%，最大增益约为 20.5 dBi。在 ±66° 的扫描范围内，增益变化小于 1 dB。该双极化天线具有低交叉极化、宽带和高隔离度等优点，是 5G 毫米波（mmWave）系统的理想候选天线。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

A Millimeter-Wave Dual-Polarized Endfire Antenna With Ultrawideband and High Isolation for 5G Multibeam Systems

A ultrawideband, high isolation dual-polarized endfire antenna is presented in this article. Based on the high isolation of the substrate integrated waveguide (SIW) and stripline, we innovatively developed an SIW-fed magnetoelectric (ME) dipole as the vertically polarized (VP) endfire antenna and a stripline-fed tapered slot antenna (TSA) as horizontally polarized (HP) endfire antenna. These two antennas realize ultrawide bandwidth and can share a radiation aperture. Meanwhile, the ME dipole acts as a parasitic structure, which greatly improves the impedance matching of the TSA in the working band. Due to this innovative design, the proposed dual-polarized endfire antenna realizes an operating bandwidth of 60% and a port isolation level exceeding 35 dB. To satisfy the requirements of 5G communication systems, we designed a multibeam antenna system composed of seven dual-polarized endfire antennas and a 3-D-printed Luneburg lens. The measured results indicate that the multibeam antenna achieves an overlapped bandwidth of 58% and a maximum gain of about 20.5 dBi. The gain variation within the scanning range of ±66° was less than 1 dB. With the merits of low cross-polarization, wideband, and high isolation, the presented dual-polarized antenna is an ideal candidate for 5G millimeter-wave (mmWave) systems.

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来源期刊

IEEE Transactions on Antennas and Propagation 工程技术-电信学

CiteScore

10.40

自引率

28.10%

发文量

968

审稿时长

4.7 months

期刊介绍： IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques