基于多模多耦合的5G终端超低轮廓双宽带天线

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-02-06 DOI:10.1109/LAWP.2025.3539307

Xu Yang;Xin Geng;Miao-Peng Shen;Wen-Wen Yang;Wei-Bin Kong;Wei Qin;Jian-Xin Chen

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引用次数: 0

摘要

本文提出了一种基于半模基片集成波导（HMSIW）和短贴片的5G移动终端应用超低轮廓双频天线。天线高度仅为0.5 mm (0.006λL)，占地面积为38.5 mm × 40 mm （0.43λL × 0.45λL）。首先，通过激励加载交叉槽的HMSIW天线获得三种模式，即3.5 GHz的TE110模式和4.9 GHz左右的TE210偶/奇模式，实现双频工作；然后，通过寄生在HMSIW左侧和底部的两个短贴片，引入两个3.5 GHz和一个4.9 GHz的模式。基于该结构，可以在3.5 GHz和4.9 GHz频段分别获得三种工作模式，有效克服了极低轮廓带来的带宽限制。实测结果表明，该天线的带宽可覆盖3.4 GHz ~ 3.6 GHz部分N78频段和4.7 GHz ~ 5 GHz部分N79频段。N78频段的平均效率为−2.45 dB， N79频段的平均效率为−2.94 dB。本设计为超低轮廓双宽带移动终端天线提供了一种很有前景的解决方案。

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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An Ultralow-Profile Dual-Wideband Antenna Based on Multiple Modes and Multiple Coupling for 5G Terminal Application

An ultralow-profile dual-band antenna based on half-mode substrate integrated waveguide (HMSIW) and shorted patches for 5G mobile terminal applications is proposed in this letter. The antenna has a height of only 0.5 mm (0.006λ_L) and occupies a footprint of 38.5 mm × 40 mm (0.43λ_L × 0.45λ_L). First, three modes are obtained by exciting the HMSIW antenna loaded with cross slots, specifically the TE₁₁₀ mode at 3.5 GHz and the even/odd TE₂₁₀ modes around 4.9 GHz, enabling dual-band operation. Next, by parasitizing two shorted patches on the left side and one on the bottom of the HMSIW, two modes at 3.5 GHz and one mode at 4.9 GHz are introduced. Based on this structure, three operating modes can be obtained respectively at 3.5 GHz and 4.9 GHz band, effectively overcoming the bandwidth limitations caused by the extremely low profile. Measured results show that the bandwidth of the antenna can cover partial N78 band from 3.4 GHz to 3.6 GHz and partial N79 band from 4.7 GHz to 5 GHz. The average efficiencies are −2.45 dB in the N78 band and −2.94 dB in the N79 band. This design provides a promising solution for ultralow-profile dual-wideband mobile terminal antennas.

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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.