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首页> 外文期刊>Canadian journal of electrical and computer engineering >Fluidically Reconfigurable MIMO Antenna With Pattern Diversity for Sub-6-GHz 5G Relay Node Applications
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Fluidically Reconfigurable MIMO Antenna With Pattern Diversity for Sub-6-GHz 5G Relay Node Applications

机译：具有用于子6-GHz 5G中继节点应用的流体可重新配置的MIMO天线，具有模式分集

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摘要

A four-element frequency reconfigurable and pattern diverse multiple-input-multiple-output (MIMO) antenna array for fifth-generation relay node applications is presented to operate in LTE bands 42 (3400-3600 MHz), 43 (3600-3800 MHz), and 46 (5150-5925 MHz). A planar microstrip line-fed monopole antenna is utilized as the MIMO element. The antenna relies on fluidic reconfiguration mechanism to either serve LTE bands 42/43 or 46. It incorporates a substrate milled channel beneath each monopole arm to hold distilled water. The water in the channel perturbs the E-field distribution in the vicinity of the antenna arm and modifies the effective permittivity of the dielectric medium. To realize pattern diversity, adjacent elements are placed orthogonal to each other. Measured prototype exhibits a total active reflection coefficient |TARC| and |S11 |≤ -10 dB for the high band when the channel is vacant (case 1) and the low band when filled with water (case 2), while minimum isolation is above 19.6 dB. The peak measured gain is ~4.6 and ~2.8 dBi, while the worst case envelope correlation coefficient (ECC) is ~0.004 and ~0.016 for cases 1 and 2, respectively. It measures 82.4 × 82.4 mm2 and was fabricated on a 1.52-mm-thick substrate of εr = 3.55.
机译：用于第五代中继节点应用的四元频率可重新配置和模式不同的多输入 - 多输出（MIMO）天线阵列，以在LTE频段42（3400-3600MHz）中操作，43（3600-3800 MHz）。和46（5150-5925 MHz）。平面微带线馈电线单极天线用作MIMO元件。天线依赖于流体的重新配置机制来服务于LTE带42/43或46.它结合了每个单孔臂下方的基板研磨通道以保持蒸馏水。通道中的水使天线臂附近的电子场分布并改变介电介质的有效介电常数。为了实现模式分集，相邻元件彼此正交。测量的原型表现出总活性反射系数| TARC |和| S. 11 当沟道空置（壳体1）和填充水时的低频带时，高频带（壳体2）时，为高频带（壳体2），≤-10dB，而最小隔离高于19.6 dB。峰值测量增益为〜4.6和〜2.8dBi，而案例1和2分别是〜0.004〜0.016的最坏情况的相关系数（ECC）。它测量82.4×82.4毫米 2 并在ε的1.52mm厚的基板上制造 r = 3.55。

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