An Extremely Low-Profile and Longilineal Dual-Band Shorted Patch Antenna for 5G Mobile Terminal Applications

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Antennas and Wireless Propagation Letters Pub Date : 2024-09-04 DOI:10.1109/LAWP.2024.3454310

Miao-Peng Shen;Xin Geng;Xu Yang;Wen-Wen Yang;Jian-Xin Chen

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Abstract

This letter proposes an extremely low-profile, longilineal dual-band shorted patch antenna suitable for narrow and elongated space applications. By etching a vertical slot, four resonant modes of the shorted patch, namely TM _0.5,0 , TM _0.5,1 , TM _0.5,2, and TM _0.5,3 modes, are adjusted to realize the initial dual-band operation. Then, two symmetrical transverse slots are etched to adjust the impedance matching. The bandwidth of each band is extended to 200 MHz by incorporating the parasitic modes of parasitic patches on either side into each band separately. The covered frequency bands are partial N78 [(3.4 to 3.6) GHz] and partial N79 [(4.8 to 5.0) GHz], suitable for Chinese communication operators. The proposed antenna is fabricated and measured. It has an extremely low profile of 0.011λ _L and a longilineal shape of 0.711λ _L × 0.113λ _L (λ _L refers to the vacuum wavelength at the lowest frequency of the operation band). Measured results show that the impedance bandwidths of −6 dB are 3.39 GHz to 3.59 GHz (200 MHz, 5.73%) and 4.80 GHz to 5.00 GHz (200 MHz, 4.08%), respectively, with measured average total efficiencies of −2.98 dB and −3.11 dB, respectively.

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面向 5G 移动终端应用的超扁平长线性双频短波贴片天线

这封信提出了一种极低轮廓，纵向双频短贴片天线，适用于狭窄和细长的空间应用。通过刻蚀一个垂直槽，调整短贴片的四种谐振模式TM0.5、0、TM0.5、1、TM0.5、2和TM0.5、3模式，实现初始双频工作。然后，刻蚀两个对称的横槽来调整阻抗匹配。通过将两侧寄生贴片的寄生模式分别并入每个频段，将每个频段的带宽扩展到200 MHz。覆盖的频段为部分N78 [(3.4 ~ 3.6) GHz]和部分N79 [(4.8 ~ 5.0) GHz]，适合中国通信运营商使用。对所提出的天线进行了制作和测量。它的极低轮廓为0.011λL，纵向形状为0.711λL × 0.113λL （λL为工作波段最低频率处的真空波长）。测量结果表明，−6 dB的阻抗带宽分别为3.39 GHz ~ 3.59 GHz （200mhz, 5.73%）和4.80 GHz ~ 5.00 GHz (200mhz, 4.08%)，测量到的平均总效率分别为−2.98 dB和−3.11 dB。

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 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.