Broadband Multimode Antenna for Sub-6 GHz Base Station Applications

IF 0.6 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Applied Computational Electromagnetics Society Journal Pub Date : 2021-01-01 DOI:10.47037/2021.aces.j.360920

Weifeng Lin, K. Rong, Qiming He, Zhe-Sheng Chen, Bei Huang, Jun Zhang

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Abstract

─ In this paper, a novel dual-polarized multimode antenna is presented for sub-6 GHz base station applications. Two pairs of slotted patches act as the main radiator to excite two modes, and they are coupled with each other to bring the resonant frequency of the two modes together. Two baluns are orthogonally placed between the main radiator and the ground plane for impedance transforming and introducing a new mode at the lower frequency. The ends of the slotted patches are connected with a reversed T-shaped dipole to optimize the current path and introducing a new mode at the higher frequency. Measured results show that the prototype antenna can achieve a 15-dB impedance bandwidth of 2.30 ~ 3.96 GHz (53.1%) and an average gain of 9.67 ± 0.33 dBi in the operating band. The isolation is greater than 28.0 dB with a half-power beamwidth of around 64° among the operating frequency band. The proposed antenna can be a promising candidate for the fifthgeneration communication in the sub-6 GHz band. Index Terms ─ Base station antennas, broadband antenna, multimode antenna.

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Sub-6 GHz基站宽带多模天线

─本文提出一种新型的双极化多模天线，适用于6ghz以下的基地台。两对开槽贴片作为主辐射体激励两种模式，它们相互耦合使两种模式的谐振频率合在一起。在主辐射器和地平面之间垂直放置两个平衡器，进行阻抗变换，在较低频率引入新模式。狭缝贴片的两端用反t型偶极子连接，以优化电流路径并在更高频率引入新模式。实测结果表明，该原型天线在15 db阻抗带宽为2.30 ~ 3.96 GHz(53.1%)，工作频带平均增益为9.67±0.33 dBi。隔离度大于28.0 dB，工作频带内半功率波束宽度约为64°。该天线有望应用于sub- 6ghz频段的第五代通信。索引项─基站天线、宽频天线、多模天线。

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

Applied Computational Electromagnetics Society Journal 工程技术-电信学

CiteScore

1.60

自引率

28.60%

发文量

审稿时长

9 months

期刊介绍： The ACES Journal is devoted to the exchange of information in computational electromagnetics, to the advancement of the state of the art, and to the promotion of related technical activities. A primary objective of the information exchange is the elimination of the need to "re-invent the wheel" to solve a previously solved computational problem in electrical engineering, physics, or related fields of study. The ACES Journal welcomes original, previously unpublished papers, relating to applied computational electromagnetics. All papers are refereed. A unique feature of ACES Journal is the publication of unsuccessful efforts in applied computational electromagnetics. Publication of such material provides a means to discuss problem areas in electromagnetic modeling. Manuscripts representing an unsuccessful application or negative result in computational electromagnetics is considered for publication only if a reasonable expectation of success (and a reasonable effort) are reflected. The technical activities promoted by this publication include code validation, performance analysis, and input/output standardization; code or technique optimization and error minimization; innovations in solution technique or in data input/output; identification of new applications for electromagnetics modeling codes and techniques; integration of computational electromagnetics techniques with new computer architectures; and correlation of computational parameters with physical mechanisms.

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