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A Single-Layer Miniaturized Patch Antenna Based on Coupled Microstrips
IEEE Antennas and Wireless Propagation Letters ( IF 3.7 ) Pub Date : 2021-03-09 , DOI: 10.1109/lawp.2021.3064908
Zijian Shao , Yueping Zhang

A new method to miniaturize patch antennas is presented by using coupled microstrip patches. A design example is given at 8.45 GHz. The resultant patch antenna has an electrical size of 0.146 × 0.146 × 0.04 λ03, which is about 60% area reduction with respect to a conventional patch antenna. The miniaturized patch antenna shows similar broadside radiation patterns and a lower cross-polarization level as compared with the conventional one. It exhibits a realized gain of 5.4 dBi with the half-power beamwidths of 107° in the E-plane and 87° in the H-plane, respectively. Both simulated and measured results demonstrate that the miniaturized patch antenna exhibits excellent impedance and radiation characteristics and is a promising candidate for highly integrated wireless systems.

中文翻译:


基于耦合微带的单层小型化贴片天线



提出了一种利用耦合微带贴片来小型化贴片天线的新方法。给出了 8.45 GHz 的设计示例。所得贴片天线的电尺寸为0.146×0.146×0.04λ03,相对于传统贴片天线,面积减少了约60%。与传统天线相比,小型化贴片天线表现出类似的宽边辐射方向图和较低的交叉极化水平。它的实现增益为 5.4 dBi,E 平面中的半功率波束宽度分别为 107°,H 平面中的半功率波束宽度为 87°。仿真和测量结果都表明,小型化贴片天线具有出色的阻抗和辐射特性,是高度集成无线系统的有希望的候选者。
更新日期:2021-03-09
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