A Novel High-Isolation Dual-Polarized Patch Antenna with Two In-Band Transmission Zeros

被引：3
作者：
Li, Fuwang [1 ]
Cheng, Yi-Feng [1 ]
Wang, Gaofeng [1 ]
Luo, Jiang [1 ,2 ]
机构：
[1] Hangzhou Dianzi Univ, Shaoxing Integrated Circuit Inst, Hangzhou 310018, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
MICROMACHINES | 2023年 / 14卷 / 09期
基金：
中国国家自然科学基金;
关键词：
high-isolation; transmission zero; dual-polarized; patch antenna; equivalent circuit model; WIDE-BAND; DESIGN;
D O I：
10.3390/mi14091784
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this study, we present a novel dual-polarized patch antenna that exhibits high isolation and two in-band transmission zeros (TZs). The design consists of a suspended metal patch, two feeding probes connected to an internal neutralization line (I-NL), and a T-shaped decoupling network (T-DN). The I-NL is responsible for generating the first TZ, and its decoupling principles are explained through an equivalent circuit model. Rigorous design formulas are also derived to aid in the construction of the feeding structure. The T-DN realizes the second TZ, resulting in further improvement of the decoupling bandwidth. Simulation and experimental results show that the proposed antenna has a wide operating bandwidth (2.5-2.7 GHz), high port isolation (>30 dB), and excellent efficiency (>85%).
引用
收藏
页数：9
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