设计了一种紧凑的双单元MIMO天线，提高了带宽和隔离度

2015 International Conference on Microwave, Optical and Communication Engineering (ICMOCE) Pub Date : 2015-12-01 DOI:10.1109/ICMOCE.2015.7489774

P. S. Kumar, B. Mohan

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引用次数: 7

摘要

对高数据速率的需求不断增长，推动了无线通信标准向多输入多输出(MIMO)技术的融合发展。对于这样的系统，设计的天线必须紧凑、低轮廓、良好的阻抗带宽和低互耦。本文提出了一种工作频率为5.8-9.2 GHz的小型双元微带天线。仿真天线谐振频率为7.5 GHz, 10 dB分数阻抗带宽为45.33%，电压驻波比为1.15。在谐振频率处，相互耦合减小到21 dB左右。对于建议的7.5 GHz天线回波损耗为23db。天线系统在中心频率处的辐射效率为88.16%。该天线阵列在分数阻抗带宽和隔离度方面都优于现有的微带天线。

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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Design of a compact two element MIMO antenna with improved bandwidth and isolation

The ever increasing demand for high data rates drives the wireless communication standards towards incorporation of multi input multi output (MIMO) technology. For such systems, the designed antenna must be compact with low profile configuration, good impedance bandwidth and low mutual coupling. In this paper, a compact two-element microstrip antenna operating from 5.8-9.2 GHz is proposed for wireless applications. The simulated antenna resonates at 7.5 GHz frequency, with a 10 dB fractional impedance bandwidth of 45.33% and voltage standing wave ratio (VSWR) of 1.15. The mutual coupling is reduced to around 21 dB at the resonant frequency. For the proposed antenna return loss at 7.5 GHz is 23 dB. The antenna system has a radiation efficiency of 88.16% at the center frequency. The performance of the proposed antenna array is better than the existing microstrip antennas in terms of fractional impedance bandwidth and isolation.

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来源期刊

2015 International Conference on Microwave, Optical and Communication Engineering (ICMOCE)

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