A 95–110 GHz Fully Metallic Multibeam Antenna Fed by E-Plane Groove Gap-Waveguided Butler Matrix for 6G Applications

IF 4.6 1区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Antennas and Propagation Pub Date : 2025-01-24 DOI:10.1109/TAP.2025.3531119

Xin Xu;Dongze Zheng;Wei Hong;Yan Wang;Xiaohe Cheng;Yuan Yao

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Abstract

For 6G applications, this communication reports the very first design of a 100-GHz band full-metallic Butler matrix-based 1-D beamforming multibeam antenna. The multibeam antenna combines a novel E-plane groove gap-waveguided (GGW) Butler matrix and a

$1\times 4$

H-plane horn array, and these two parts are interconnected without any waveguide twists. An E-plane waveguide crossover formed by two cascaded septum polarizers, which can fully comply with the standard computerized numerical control (CNC) milling process, is used to implement the proposed E-plane Butler matrix. Sets of metal block pairs are loaded inside the horn element to reduce the longitudinal dimension and enhance the gain. The design concept has been verified by prototyping and it has been demonstrated that the proposed multibeam antenna can work over 95–110 GHz with a peak gain of 16.6 dBi, a peak efficiency of 89%, and a beam coverage of −46° to 46°.

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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

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