Low-Profile Dual-Band Shared-Aperture Base Station Antennas Based on FSS Radiators

被引：11
作者：
Li, Hui [1 ]
Xu, Jiawen [1 ]
Nan, Yang [1 ]
Chen, Qiang [2 ]
Zhou, Changfei [1 ]
机构：
[1] Dalian Univ Technol, Sch Informat & Commun Engn, Dalian 116024, Peoples R China
[2] Tohoku Univ, Elect Commun Res Inst, Sendai, Miyagi 9808577, Japan
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Base station antennas; dual-polarized antennas; frequency selective surface (FSS); multiple-input-multiple-output (MIMO) antennas; shared-aperture antennas; BROAD-BAND; POLARIZED ANTENNA; ARRAY; 5G;
D O I：
10.1109/LAWP.2024.3372529
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, a low-profile dual-band dual-polarized base station antenna system is proposed for 5G applications. Distinct fromprevious base station antennas using FSS as a decoupling layer, the frequency selective surface (FSS) structure is employed directly as the low-band (LB) antenna at 0.69-0.96 GHz. At the same time, the FSS operates as the reflector for the high-band (HB) antennas at 3.3-3.8 GHz. Hence, the radiation patterns of both the HB and the LB antennas are restored to match the patterns of the isolated antennas. Stable radiation and high boresight gains are achieved over the operating bands. The antennas are fabricated and measured, with the measurement results agreeing well with the simulated ones. The proposed antenna array is suitable for base stations with large-scale arrays due to its simple structure, low profile and stable radiation features.
引用
收藏
页码：1894 / 1898
页数：5
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