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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Mutual Coupling Reduction of Dual-Band Uni-Planar MIMO System Using Neutralization Line Technique
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Mutual Coupling Reduction of Dual-Band Uni-Planar MIMO System Using Neutralization Line Technique

机译：利用中和线技术的双频单平面MIMO系统的互耦合降低

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摘要

This paper presents a low-profile dual-band(2x2) MIMO antenna that works at 2.4GHz, 5.2GHz and 5.8GHz for wireless local area networks (WLAN) applications. A neutralization line technique for enhancing the isolation is used by introducing a strip line with a length of lambda(g)/4 at the isolation frequency (2.4GHz) between the radiating elements. The overall dimensions of the proposed antenna are 36x33.5x1.6 mm(3). The antenna is fabricated and tested to validate the simulation results. The practical results show fair agreements with the simulated outcomes. The antenna achieves impedance bandwidths from 2.15GHz to 2.52GHz and from 4.5GHZ to 6.45GHz for reflection coefficient vertical bar S11 vertical bar < -10dB. On the other hand, the result of S21 for the two bands is better than -10dB and it has reached to -25dB around 2.4GHz and -35dB around 5.5GHz. The MIMO antenna performance characteristics are reported in terms of scattering parameters, envelope correlation coefficient (ECC), total active reflection coefficient (TARC), channel capacity loss (CCL), diversity gain (DG) and antenna radiation patterns. Analysis of these characteristics indicates that the design is appropriate for the WLAN.
机译：本文提出了一种低调的双频（2x2）MIMO天线，该天线工作于2.4GHz，5.2GHz和5.8GHz，适用于无线局域网（WLAN）应用。通过在辐射元件之间以隔离频率（2.4GHz）引入长度为lambda（g）/ 4的带状线来使用增强隔离的中和线技术。拟议天线的整体尺寸为36x33.5x1.6 mm（3）。天线被制造和测试以验证仿真结果。实际结果表明，模拟结果具有合理的一致性。对于反射系数垂直条S11垂直条<-10dB，该天线可实现2.15GHz至2.52GHz和4.5GHZ至6.45GHz的阻抗带宽。另一方面，两个频段的S21结果均优于-10dB，在2.4GHz附近达到-25dB，在5.5GHz附近达到-35dB。根据散射参数，包络相关系数（ECC），总有源反射系数（TARC），信道容量损耗（CCL），分集增益（DG）和天线辐射方向图报告了MIMO天线的性能特征。对这些特性的分析表明，该设计适合WLAN。

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    Univ Bradford Sch Elect Engn & Comp Sci Bradford BD7 1DP W Yorkshire England|Ninevah Univ Coll Elect Engn Mosul Iraq;

    Ninevah Univ Coll Elect Engn Mosul Iraq;

    Univ Bradford Sch Elect Engn & Comp Sci Bradford BD7 1DP W Yorkshire England;

    Edinburgh Napier Univ Sch Engn & Built Environm Edinburgh EH14 1DJ Midlothian Scotland;

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  • 正文语种 eng
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    MIMO antenna; mutual coupling; parasitic elements; WLAN;

    机译：MIMO天线相互耦合寄生元素无线局域网;

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