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A Wideband and Wide Scanning Tightly Coupled Dipole Array with Meta-Surface Wide-Angle Impedance Matching

机译:具有元表面广角阻抗匹配的宽带和宽扫描紧密耦合的偶极子阵列

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摘要

A low profile ultra-wideband tightly coupled dipole array is studied. The antenna elements are fed by Marchand baluns of small size and low cost. A meta-surface based wide-angle impedance matching (MS-WAIM) layer is introduced to replace the traditional dielectric WAIM, improving the beam scan performance and reducing the antenna profile. The simulation shows that the proposed antenna array can operate over 2.4-12.4 GHz, approximately 5:1 bandwidth with maximum scanning angle of 50 degrees for both E plane and 45 degrees for H plane. The antenna profile above the ground is only 0.578 lambda(H) at the highest operating frequency. This antenna array can find its application in the forthcoming massive MIMO beamforming systems for 5G.
机译:研究了低调超宽带紧密耦合的偶极子阵列。 天线元件由Marchand Baruan的小尺寸和低成本供给。 引入了基于元表面的广角阻抗匹配(MS-WAIM)层以取代传统的介电Waim,改善光束扫描性能并减小天线型材。 该模拟表明,所提出的天线阵列可以以超过2.4-12.4GHz的操作,大约5:1带宽,最大扫描角度为E平面和45度的H平面。 地面上方的天线型材在最高工作频率下仅为0.578λ(h)。 该天线阵列可以在即将举行的大型MIMO波束成形系统中找到其应用5G。

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