基于 CM 分析的差分多点馈电双极化 SISL 天线设计

IF 1.6 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Chinese Journal of Electronics Pub Date : 2024-09-09 DOI:10.23919/cje.2022.00.251

Bin Tang;Kaixue Ma;Eric Newton Moro;Yu Luo

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引用次数: 0

摘要

目前的移动通信需要双极化天线来增加信道容量和减少多径效应。本文利用特征模态（CM）分析，提出了一种抑制了不需要的高阶模态的五贴片基底集成悬浮线（SISL）天线，并通过使用差分多点馈电（MPF）系统实现了带宽的增强。与单点馈电系统相比，采用 MPF 系统的双极化 SISL 天线的带宽扩大了 1.87 倍。新型 SISL 馈电系统包含两对差分馈电支线馈电结构。对所提出的差分馈电天线原型进行了制造和测量，结果显示模拟和测量结果之间具有良好的一致性。双极化 SISL 天线可在 3.17 GHz 至 3.61 GHz 的工作频率范围内实现 8.1 dBi 至 10.8 dBi 的增益（12.98%）。此外，利用低成本基板，所提出的 SISL 天线具有 5G 应用的潜力。

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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Design of Differential Multi-Point Feeding Dual-Polarized SISL Antenna Based on CM Analysis

Dual-polarized antennas are required in the current mobile communication to increase the channel capacity and reducing multi-path effects. Utilizing characteristic mode (CM) analysis, this paper presents a five-patch substrate integrated suspended line (SISL) antenna with suppressed unwanted higher-order modes, and achieves an enhanced bandwidth by using differential multi-point feeding (MPF) systems. Compared to single-point feeding systems, the proposed dual-polarized SISL antenna with the MPF system demonstrates a bandwidth 1.87 times wider. The novel SISL feeding system incorporates two pairs of differentially-fed branch line feed structures. A prototype of the proposed differential-fed antenna is fabricated and measured, showing good agreement between simulated and measured results. The dual-polarization SISL antenna can achieve realized gain from 8.1 dBi to 10.8 dBi within a working frequency from 3.17 GHz to 3.61 GHz (12.98%). Moreover, utilizing low-cost substrates, the proposed SISL antenna has the potential for 5G applications.

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来源期刊

Chinese Journal of Electronics 工程技术-工程：电子与电气

CiteScore

3.70

自引率

16.70%

发文量

342

审稿时长

12.0 months

期刊介绍： CJE focuses on the emerging fields of electronics, publishing innovative and transformative research papers. Most of the papers published in CJE are from universities and research institutes, presenting their innovative research results. Both theoretical and practical contributions are encouraged, and original research papers reporting novel solutions to the hot topics in electronics are strongly recommended.