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首页> 外文会议>IEEE International Symposium on Antennas and Propagation >A Miniaturized Dual UWB Quasi-Yagi based MIMO Antenna System Using a Defected Ground Structure
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A Miniaturized Dual UWB Quasi-Yagi based MIMO Antenna System Using a Defected Ground Structure

机译：基于小型化的双UWB准yagi基于偏向的地面结构的MIMO天线系统

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摘要

In this work, a dual ultra-wideband (UWB) 2-element Quasi-Yagi based multiple-input-multiple output (MIMO) antenna system is proposed based on loop excitation. A novel defected ground structure (DGS) acting as a parasitic reflector element is used to achieve 48% reduction in size without compromising other performance metrics. The center frequency of operation is 2 GHz. The proposed dual-band MIMO antenna system has a wide measured bandwidth of 1.72 GHz from 1.9-3.62 GHz and 1.70 GHz from 4.6-6.3 GHz covering the GSM/EDGE/LTE, WLAN, Bluetooth, Wi-Fi, and WiMAX bands. The proposed MIMO antenna system occupies a size of 80×120×0.76 mm3, The maximum measured realized gain and total radiation efficiency of the MIMO antenna system are found to be more than 5 dBi and 80%, respectively, within both bands. Aside from good Yagi-Uda performance, the proposed antenna system also shows excellent MIMO performance, with minimum measured isolation of 15 dB and measured envelope correlation coefficient (ECC) value of 0.0341 in both bands.
机译：在这项工作中，双超宽带（UWB）2元件准八木基于多输入多输出（MIMO）天线系统是基于循环激励提出。充当寄生反射器元件的新型缺陷接地结构（DGS）用于实现尺寸减小48％而不会损害其他的性能度量。操作的中心频率为2GHz。所提出的双波段MIMO天线系统具有从1.9-3.62 GHz的1.72 GHz和从4.6-6.3 GHz的覆盖GSM / EDGE / LTE，WLAN，蓝牙，Wi-Fi和WiMAX的频带1.70千兆赫的宽测量带宽。所提出的MIMO天线系统占用的尺寸为80×120×0.76毫米 3 ，测量实现增益和MIMO天线系统的总辐射效率的最大被发现是多于5分别DBI和80％，两个频带内。除了良好的八木宇田性能，所提出的天线系统也显示出优异的MIMO性能，具有15dB的最小测量隔离和在两个波段的0.0341测量包络相关系数（ECC）值。

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