L. Olule, G. Gnanagurunathan, Nandha T Kumar, B. Kasi
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引用次数: 1
摘要
本文通过测量证明了电磁带隙(EBG)超材料在5.8 GHz ISM频段射频能量收集中的新应用。4个EBG单元格呈方形排列，形成一个高增益5.5 dBi的天线。该天线具有低交叉极化的单向辐射方向图。它与单级乘压整流电路相结合，形成整流天线。该整流天线体积小巧，尺寸为40 mm × 40 mm，输出电压为0.25 V，接收功率为−10 dBm时远场距离效率为15%。
Single band RF Energy Harvesting at 5.8 GHz using EBG unit cells
This paper demonstrates, through measurement, novel utilization of Electromagnetic Bandgap (EBG) metamaterials for RF energy harvesting in the 5.8 GHz ISM band. Four EBG unit cells arranged in a square pattern form an antenna with a high gain of 5.5 dBi. The antenna has a unidirectional radiation pattern with low cross polarization. It is combined with a single stage voltage multiplier rectifier circuit to form a rectenna. The rectenna is compact in size at 40 mm × 40 mm and provides an output voltage of 0.25 V and an efficiency of 15% at far-field distance for −10 dBm of received power.
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