研究目的
To present a 5G base station phased array antenna concept based on power flux equalization in the elevation plane, designed to operate around 28.5GHz for wide-angle scanning in the horizontal plane.
研究成果
The designed sub-array of SIW-fed aperture-coupled patches produces a cosecant pattern in elevation for uniform flux over a coverage area. The phased array antenna supports wide-angle scanning in azimuth, making it suitable for 5G base stations operating around 28GHz.
研究不足
The mutual coupling between antenna elements was not taken into account in the optimization process for simplicity. The operational bandwidth is limited to 28-31GHz for scanning angles within +/-45deg.
1：Experimental Design and Method Selection:
The design involves an aperture-coupled microstrip patch sub-array fed by a substrate integrated waveguide (SIW) to produce a cosecant radiation pattern in the elevation plane. The antenna is designed for operation around
2：5GHz. Sample Selection and Data Sources:
The design targets a candidate 5G mm-wave frequency band.
3：List of Experimental Equipment and Materials:
The antenna structure consists of two dielectric layers, a SIW layer, and a patch layer, with specific dimensions and materials.
4：Experimental Procedures and Operational Workflow:
The design process includes optimizing the slot length, patch length, and via position to achieve the desired radiation pattern and impedance matching.
5：Data Analysis Methods:
The performance is evaluated through simulation of reflection coefficients and radiation patterns.
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