A new compact 1×4 microstrip patch antenna array design for future 5G applications is presented in this paper. The proposed antenna array consists of square slot loaded with four radiating patch elements. The corporate feed network has been implemented for the excitation of the array. The feed line is connected to the square slot patch through a quarter-wave transformer matching network. The proposed array is designed on an FR-4 substrate with a dielectric constant of 4.4, thickness of 1.6mm and loss tangent (tanδ) of 0.02. It has a compact dimension of 9.590× 17.802×1.6mm3. The proposed structure has been designed and simulated by using commercially available HFSS software. The simulated results (reflection coefficient, gain, efficiency, radiation pattern) are verified through the measurement process to confirm the validity of the design concept. The measurement results are in good agreement with the simulated results. The proposed structure resonates at 38.1GHz with a −10dB impedance bandwidth of about 3700MHz (36.5GHz to 40.2GHz). The reflection coefficient at 38.1GHz is −34dB, with a maximum gain of 7.81dB. The proposed square slot loaded patch antenna array is very promising for 5G communications at 38GHz band (37–40GHz).

中文翻译：

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用于 5G 应用的方槽加载 (SSL) 毫米波贴片天线阵列的分析、设计和制造

新的紧凑型1×4本文介绍了面向未来 5G 应用的微带贴片天线阵列设计。所提出的天线阵列由装载有四个辐射贴片元件的方槽组成。已实施企业馈电网络以激发阵列。馈线通过四分之一波变压器匹配网络连接到方槽贴片。所提出的阵列设计在介电常数为 4.4、厚度为 1.6 的 FR-4 基板上毫米和损耗角正切（tanδ)0.02。它的紧凑尺寸为 9.590×17.802×1.6米米3. 使用商用 HFSS 软件对所提出的结构进行了设计和模拟。仿真结果（反射系数、增益、效率、辐射方向图）通过测量过程进行验证，以确认设计理念的有效性。测量结果与模拟结果吻合较好。提议的结构在 38.1 处产生共鸣千兆赫与-10dB阻抗带宽约3700兆赫兹（36.5GHz 至 40.2赫兹）。反射系数为 38.1吉赫兹是-34dB，最大增益为 7.81D b。所提出的方槽加载贴片天线阵列对于 38 岁的 5G 通信非常有前景GHz频段（37-40赫兹）。