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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >An efficient fractal rectenna for RF energy harvest at 2.45 GHz ISM band
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An efficient fractal rectenna for RF energy harvest at 2.45 GHz ISM band

机译：一种高效的分形整流天线，用于在2.45 GHz ISM频段上收集射频能量

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摘要

A novel efficient rectenna is proposed in this paper for radio frequency (RF) energyharvest from ambience at 2.45 GHz ISM band. A compact fractal antenna is designedbased on a Levy Ccurve. The performance of antenna with the ground plane of theconventional geometry, the rectangular-slot geometry and the newly designed geometryis investigated and compared. Besides, a typical rectifier with a 73-degree radialstub matching network is presented. Simulation and experiment are performed to validatethe performance of the presented rectenna. The results indicate that the antennais characterized with a good matching characteristic with a stable omnidirectionalradiation pattern. The rectifier has a relatively high efficiency of 30% under the lowinput power of -10 dBm. The measured maximum RF to DC conversion efficiencyof the rectenna is 70% with the output voltage of 2.2 V at 0 dBm when the inputpower ranging from -20 dBm to 0 dBm.
机译：本文提出了一种新颖的高效整流天线，用于从2.45 GHz ISM频段的环境中获取射频能量。基于Levy曲线设计了紧凑的分形天线。对常规几何形状，矩形槽几何形状和新设计的几何形状的接地面的天线性能进行了研究和比较。此外，提出了具有73度径向 r nstub匹配网络的典型整流器。进行仿真和实验以验证所提出的整流天线的性能。结果表明，天线 r nis具有良好的匹配特性，并具有稳定的全向 r n辐射方向图。在-10 dBm的低输入功率下，整流器具有30％的较高效率。当输入功率为-20 dBm至0 dBm时，在0 dBm时输出电压为2.2 V时，测得的整流天线的最大RF至DC转换效率为70％。

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  • 作者

    Yanyan Shi; Yue Fan; Jianwei Jing; Lan Yang; Yan Li; Meng Wang;

  • 作者单位

    College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, China;

    College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, China;

    College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, China;

    College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, China;

    College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, China;

    College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, China;

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  • 正文语种 eng
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  • 关键词

    2.45 GHz ISM band; fractal antenna; rectenna; RF energy harvest;

    机译：2.45 GHz ISM频段;分形天线整流天线射频能量收集;

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