研究目的
To introduce a planar 4 × 4 slot antenna array based on Empty Substrate Integrated Waveguide at 28 GHz for 5G wireless systems, offering reduced weight and fabrication cost, and feasible integration with planar electronic components.
研究成果
The designed antenna suggests an operating bandwidth of 7.8% (i.e. 27.1-29.3 GHz) with high realized gain of 17.2dBi at 28 GHz. Based on these features, the antenna is recommended as a potential candidate to be incorporated in future 5G applications.
研究不足
The paper does not explicitly mention the limitations of the research.
1：Experimental Design and Method Selection:
The antenna array is designed based on the Elliot procedure, including the effects of external mutual and internal higher order modes coupling. The design procedure for the ESIW geometry and each linear array is the same as in referenced works, except for the non-uniform spacing of slots across the centre axis to reduce side lobes in the H-plane.
2：Sample Selection and Data Sources:
The antenna array is designed using CST Microwave Studio Suite software.
3：List of Experimental Equipment and Materials:
Rogers 4003 substrate (hESIW =
4：508 mm, dielectric constant, ?r = 55, and cladding thickness t = 35 μm), double-sided copper cladded FR4 substrate. Experimental Procedures and Operational Workflow:
The antenna array is designed, modelled, and numerically evaluated using CST Microwave Studio software. The performance is analyzed based on S-parameters, radiation pattern, realized gain, and efficiency.
5：Data Analysis Methods:
The performance of the antenna array is analyzed based on the simulation results.
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