MIMO应用中UWB DRA阵列中缺陷接地结构的互耦抑制

2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting Pub Date : 2020-07-05 DOI:10.1109/IEEECONF35879.2020.9330344

K. Trivedi, D. Pujara

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引用次数: 5

摘要

本文设计了一种紧密间隔的双元超宽带(UWB) Surya Yantra型介质谐振器天线(DRA)阵列。提出了一种新型的矩形环形缺陷地面结构(DGS)，以减少DR单元之间的相互耦合。对天线阵进行了制作和测试。测量到的超宽带约为101% (3.1-9.4 GHz)。使用DGS在整个感兴趣的频带上实现-15 dB以下的互耦。该天线阵列具有低互耦、101%超宽带、平均增益约4.4 dBi和相当稳定的辐射方向图等优点，是MIMO应用的理想选择。

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Mutual Coupling Reduction using Defected Ground Structure in UWB DRA Array for MIMO Application

In this paper, the design of a closely spaced two-element ultrawide band (UWB) Surya Yantra shaped dielectric resonator antenna (DRA) array is presented. Novel rectangular loop-shaped defected ground structure (DGS) is introduced to reduce mutual coupling between DR elements. Fabrication and testing of the antenna array were carried out. Measured UWB of about 101% (3.1-9.4 GHz) was achieved. Mutual coupling below -15 dB is achieved over the entire band of interest using DGS. The proposed antenna array is a prominent candidate for MIMO applications due to its low mutual coupling, 101% UWB, the average gain of about 4.4 dBi, and fairly stable radiation pattern.

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

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