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Low-Profile Dual-Polarized Double-Layer Microstrip Antenna for 5G and 5G Wi-Fi
Wenxing An1,2, Xiaoqing Tian1, Jian Wang1,2
1Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, School of Microelectronics, Tianjin University, Tianjin 300072, China.
Micromachines
|May 27, 2023
Summary
A novel dual-polarized double-layer microstrip antenna with a metasurface structure is presented for 5G and 5G Wi-Fi applications. This compact antenna achieves wide bandwidths and high gain, making it suitable for advanced wireless communication systems.
Area of Science:
- Electromagnetics and Wave Propagation
- Antenna Theory and Design
- Metamaterials and Metasurfaces
Background:
- The increasing demand for high-speed wireless communication necessitates advanced antenna solutions.
- Existing antennas often face limitations in bandwidth, isolation, and form factor for 5G and 5G Wi-Fi applications.
Purpose of the Study:
- To propose and analyze a dual-polarized double-layer microstrip antenna integrated with a metasurface structure.
- To achieve wide bandwidth, high port isolation, and a compact profile for 5G and 5G Wi-Fi compatibility.
Main Methods:
- Design of a double-layer microstrip antenna featuring modified and square patches.
- Incorporation of a metasurface structure to enhance antenna performance.
- Utilizing a dual aperture coupling method for signal transmission.
- Analysis of antenna structure and E-field distributions to understand the working principle.
Main Results:
- Achieved -10 dB bandwidths of 64.1% (3.13 GHz–6.08 GHz) and 61.1% (3.18 GHz–5.98 GHz).
- Measured port isolation exceeding 31 dB.
- Obtained a low profile of 0.096λ₀ for a compact design.
- Realized broadside radiation patterns with measured peak gains of 11.1 dBi and 11.3 dBi for dual polarizations.
Conclusions:
- The proposed dual-polarized double-layer antenna with a metasurface structure effectively supports 5G and 5G Wi-Fi simultaneously.
- The antenna's wide bandwidth, high isolation, and compact size make it a competitive candidate for next-generation communication systems.
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