共振器天线
宽带
微带天线
天线效率
物理
光电子学
微带线
天线测量
带宽(计算)
天线(收音机)
电气工程
光学
谐振器
材料科学
电信
计算机科学
工程类
作者
Tian Yang,Zhihui Wang,Yong Cao,Jian Ren,Yingzeng Yin
标识
DOI:10.1109/cama56352.2022.10002511
摘要
A wideband dual-port dual-band antenna, which integrates a hollow dielectric resonator antenna (DRA) with a dielectric Fabry–Perot resonator antenna (FPRA) is presented. The DRA and FPRA are excited by a probe and a wideband microstrip antenna, respectively. By using a hollow rectangular dielectric resonator, the impedance bandwidth of the DRA can be expanded without affecting the radiation of FPRA in the microwave band. The FPRA adopts a double-layer substrate with positive slope phase frequency characteristics as a partial reflection surface (PRS) and an air-loaded slot coupled microstrip antenna as a feed network to realize its wideband design in the millimeter-waveband. To validate the idea, a dual-port dual-band antenna covering both the 2.4 and 26 GHz bands was designed. The DRA operates in its TE 11δ mode with a wide impedance bandwidth of 27.8% (2.26–2.99 GHz), and the FPRA operates in its fundamental mode with a wide impedance bandwidth of 23.8% (22.91–29.1 GHz). The S-parameters, radiation patterns and antenna gains of the wideband dual-port dual-band antenna are studied in detail. The isolation between two ports is higher than 30 dB.
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