一种用于Wi-Fi应用的弯曲线结构的紧凑MIMO天线

2016 International Conference on Emerging Trends in Electrical Electronics & Sustainable Energy Systems (ICETEESES) Pub Date : 2016-03-11 DOI:10.1109/ICETEESES.2016.7581359

Pooja Gupta, G. Tripathi, S. Verma

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引用次数: 2

摘要

在本文中，我们开发了一种移动应用的多输入多输出(MIMO) Wi-Fi天线。MIMO天线系统由两个弯曲线结构的单极子组成。两个天线单元之间的距离为20mm，在5ghz时约为0.33λ0。两个u型槽用于制造缺陷接地结构(dgs)，以减少两个单极子之间的相互耦合。这样可以提高MIMO系统的回波损耗和隔离度。设计的天线在工作频带耦合隔离度高于22 dB。在4.9 ~ 6.3 GHz频率范围内，实现了|S11|≤-10 dB的25%带宽。它覆盖了从5.2到5.8 GHz的Wi-Fi频段。所研制的天线在工作频段的指示效率高于89%。较低的效率损耗表明了所设计天线的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A compact MIMO antenna of meander-line structure for Wi-Fi application

In this paper, we develop a multiple-input-multiple-output (MIMO) Wi-Fi antenna for mobile application. The MIMO antenna system consists of two monopoles of meander-line structure. The separation between two antenna elements is 20 mm which is approximately 0.33λ0 at 5 GHz. Two U-shaped slots are used to produce defective ground structure (DGSs) to reduce the mutual coupling between two monopoles. In this way, the return loss and isolation of the MIMO system can be improved. The designed antenna has coupling isolation of higher than 22 dB in operating band. The bandwidth of 25% with |S11|≤ -10 dB is achieved from 4.9 to 6.3 GHz frequency range. It covers the Wi-Fi band from 5.2 to 5.8 GHz. The directive efficiency of developed antenna is higher than 89% for operating band. The lower efficiency loss shows the effectiveness of designed antenna.

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来源期刊

2016 International Conference on Emerging Trends in Electrical Electronics & Sustainable Energy Systems (ICETEESES)

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