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首页> 外文期刊>Quality Control, Transactions >Dense Dielectric Patch Array Antenna With Improved Radiation Characteristics Using EBG Ground Structure and Dielectric Superstrate for Future 5G Cellular Networks
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Dense Dielectric Patch Array Antenna With Improved Radiation Characteristics Using EBG Ground Structure and Dielectric Superstrate for Future 5G Cellular Networks

机译：利用EBG接地结构和介电上覆层改善辐射特性的密集介电贴片阵列天线，用于未来5G蜂窝网络

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摘要

In this paper, a new dense dielectric (DD) patch array antenna prototype operating at 28 GHz for future fifth generation (5G) cellular networks is presented. This array antenna is proposed and designed with a standard printed circuit board process to be suitable for integration with radio frequency/microwave circuitry. The proposed structure employs four circular-shaped DD patch radiator antenna elements fed by a 1-to-4 Wilkinson power divider. To improve the array radiation characteristics, a ground structure based on a compact uniplanar electromagnetic bandgap unit cell has been used. The DD patch shows better radiation and total efficiencies compared with the metallic patch radiator. For further gain improvement, a dielectric layer of a superstrate is applied above the array antenna. The measured impedance bandwidth of the proposed array antenna ranges from 27 to beyond 32 GHz for a reflection coefficient (S11) of less than -10 dB. The proposed design exhibits stable radiation patterns over the whole frequency band of interest, with a total realized gain more than 16 dBi. Due to the remarkable performance of the proposed array, it can be considered as a good candidate for 5G communication applications.
机译：本文提出了一种用于未来的第五代（5G）蜂窝网络的新型密集介电（DD）贴片阵列天线原型，工作频率为28 GHz。提出并设计了这种阵列天线，采用标准的印刷电路板工艺，适合与射频/微波电路集成。所提出的结构采用了四个圆形DD贴片辐射器天线元件，这些元件由1对4 Wilkinson功率分配器馈电。为了改善阵列辐射特性，已经使用了基于紧凑的单平面电磁带隙单位晶胞的接地结构。与金属贴片散热器相比，DD贴片显示出更好的辐射和总效率。为了进一步提高增益，在阵列天线上方应用了上层的介电层。对于小于-10 dB的反射系数（S11），建议的阵列天线的测量阻抗带宽范围为27至32 GHz以上。所提出的设计在整个感兴趣的频带上均表现出稳定的辐射方向图，总的实现增益超过16 dBi。由于拟议阵列的卓越性能，它可以被认为是5G通信应用的理想选择。

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