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首页> 外文期刊>International journal of antennas and propagation >Miniaturized Wide Scanning Angle Phased Array Using EBG Structure for 5G Applications
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Miniaturized Wide Scanning Angle Phased Array Using EBG Structure for 5G Applications

机译：基于EBG结构的小型化宽扫描角相控阵在5G应用中的应用

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This article presents a miniaturized wide-angle scanning phased array for fifth-generation (5G) application. A subarray of two closely packed patch antennas on electromagnetic bandgap structure (EBG) ground with the operating bandwidth of 26-29 GHz is used as the basic module of the linear array, which contains four equally spaced subarrays. The existence of the EBG ground enables the array to be compact in size (3.2 × 0.6 × 0.12λ_L~3), yet the mutual coupling between each element can reach to more than 22 dB within the whole band of interest. The EBG structures also contribute to the wide element radiation pattern of the aperiodic array and consequently the wide scanning angle performance of the array. The range of the main beam scan with EBG structure can reach from -70° to 70° with more than 6 dB side lobe levels (SLLs) at 26.5 GHz with 3 dBi scanning gain loss. This proposed method enabling the array to be compact and wide in scanning angle is very attractive for 5G mobile terminal applications.
机译：本文介绍了一种用于第五代（5G）应用的小型化广角扫描相控阵。在工作带宽为26-29 GHz的电磁带隙结构（EBG）地面上，将两个紧密封装的贴片天线组成的子阵列作为线性阵列的基本模块，该子阵列包含四个等距的子阵列。EBG接地的存在使阵列的尺寸紧凑（3.2 × 0.6 × 0.12λ_L~3），但在整个目标频带内，每个元件之间的相互耦合可以达到22 dB以上。EBG结构还有助于非周期性阵列的宽晶片辐射方向图，从而有助于阵列的宽扫描角性能。采用EBG结构的主波束扫描范围可达-70°至70°，在26.5 GHz时旁瓣电平（SLL）超过6 dB，扫描增益损失为3 dBi。该方法使阵列结构紧凑，扫描角度宽，对5G移动终端应用非常有吸引力。

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