Work

A High-Isolation Optically Transparent 2 × 2 Antenna Array Using Metal Mesh Material

Year: 2025

Type: article

Abstract: This paper presents the design and implementation of a compact, high-isolation, optically transparent 2 × 2 MIMO antenna array. Optical transparency is achieved using a copper-based metal mesh material, which serves as both the radiating element and the ground plane, ensuring high radiation efficiency and minimal visual impact. The array consists of four monopole antennas, and mutual coupling is effectively suppressed through the integration of shorting decoupling branches and a common-ground structure. These techniques address both adjacent and diagonal (non-adjacent) coupling. A prototype was fabricated and experimentally validated. The experimental results demonstrate that the proposed antenna array achieves 20 dB isolation, 3.56 dB antenna gain, and 76% efficiency.

Source: Micromachines

DOI: 10.3390/mi16050528

Authors: Yufeng Yu, Yuanjia Dong, Yangyang He, Yi-Feng Cheng

Institutions: Hangzhou City University, Hangzhou Dianzi University, Tianjin University, State Key Laboratory of Millimeter Waves, Southeast University

Language: English

Topic: Antenna Design and Analysis

Subfield: Aerospace Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,534

Funders: National Natural Science Foundation of China, Tsinghua University, Southeast University, State Key Laboratory of Millimeter Waves