一种小尺寸超宽带多输入多输出天线

M. S. Khan, A. Capobianco, S. Asif, A. Iftikhar, B. Braaten, B. Ijaz, M. F. Shafique
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引用次数: 1

摘要

提出了一种紧凑的平面超宽带双单极子多输入多输出天线。这些单极子彼此之间保持着5.5毫米的距离。在全频谱范围内实现宽带隔离的方法是采用一种新型的解耦结构,该结构由倒y形短段和相互连接的水平和垂直条带组合而成。通过对有解耦结构和无解耦结构的天线性能分析,验证了所提解耦结构的有效性。该天线的尺寸仅为43×28 mm2,适用于小型手持设备和基于UWB-MIMO的未来技术。
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A small footprint ultra-wideband multiple-input multiple-output antenna
A compact planar Ultra-wideband Multiple-input Multiple-output antenna with two identical monopoles is presented in this paper. These monopoles are kept very close to each other at a distance of 5.5mm. Wideband isolation is obtained over the complete spectrum with a novel decoupling structure attached to the ground plane composed of an inverted y-shaped stub and a combination of horizontal and vertical strips attached to each other. The analysis of the antenna performance with and without the decoupling structure is provided to demonstrate the effectiveness of the proposed decoupling structure. The proposed antenna measures only 43×28 mm2 and it is suitable for small handheld devices and future technologies based on UWB-MIMO.
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