Low-Cost Broadband and High-Gain Millimeter-Wave Phased Array Based on High-Order-Mode Back-Cavity Slot Antenna

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

IEEE Transactions on Antennas and Propagation Pub Date : 2024-09-12 DOI:10.1109/TAP.2024.3455789

Genqiang Kou;Xiuping Li;Wenyu Zhao;Kexu Li;Jie Zhang;Zihang Qi

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引用次数: 0

Abstract

In this communication, a millimeter-wave high-order-mode 1-D phased array with advantages of wide bandwidth, high gain and low cost is proposed for 5G communication. Theoretical analysis proves that the

$\textit {TE}_{m10}$

-type high-order-mode back-cavity slot antenna (HOM-BSA) can be utilized to design low-grating-lobe 1-D phased array. Furthermore, through multimode mixing, impedance bandwidth of the HOM-BSA element is extended, and the simulated results can reach 36.73% (27.03–39.19 GHz). For the proof of concept, a 1-D symmetrically arranged phased array composed of the

$\textit {TE}_{310}$

HOM-BSA element is demonstrated. The measured −10 dB impedance bandwidth of the prototype array is 35.5% (27.5–39.37 GHz), and the scanning range of less than 3-dB gain variation in the full impedance bandwidth is ±42° (±61° at 28 GHz). Within the scanning range at 39 GHz, the measured sidelobe level (SLL) is less than −8.66 dB, and the measured radiation efficiency is 88.85% at beam direction of

$\theta = 0^{\circ } $

. The proposed array is constructed with only one dielectric layer which contributes to low complexity and low cost.

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基于高阶模式后腔槽天线的低成本宽带和高增益毫米波相控阵

本文提出了一种毫米波高阶模式一维相控阵，具有带宽宽、增益高、成本低等优点，可用于5G通信。理论分析证明，$textit {TE}_{m10}$ 型高阶模式后腔槽天线（HOM-BSA）可用于设计低磨蚀环的一维相控阵。此外，通过多模混合，HOM-BSA 元件的阻抗带宽得到扩展，仿真结果可达 36.73%（27.03-39.19 GHz）。为了验证概念，演示了一个由 $\textit {TE}_{310}$ HOM-BSA 元件组成的一维对称排列相控阵。原型阵列的测量 -10 dB 阻抗带宽为 35.5%（27.5-39.37 GHz），在全阻抗带宽内增益变化小于 3 dB 的扫描范围为 ±42°（28 GHz 时为 ±61°）。在 39 GHz 的扫描范围内，测得的侧叶电平（SLL）小于 -8.66 dB，在波束方向为 $\theta = 0^\{circ } $ 时，测得的辐射效率为 88.85%。提议的阵列仅由一层介质层构成，这有助于降低复杂性和成本。

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 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