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A high efficient 915 MHz rectenna is designed using a harmonic rejection low pass filter (LPF). The proposed rectenna consists of a slot coupled dipole antenna and high order harmonic rejection LPF, voltage doubler type rectifier, a LPF for the DC path, and resistive load. The use of a 2nd and 3rd harmonic rejection LPF in the rectenna results in high conversion efficiency. Performance of rectenna...
Radio frequency (RF)-based energy transmission enables controllable and simultaneous power delivery to wireless sensors. In such applications, RF energy transmission is likely to be affected by highly conductive (metallic) environments. Understanding metal's influence on power delivery will help improve practical implementation. This letter studies the behavior of RF energy transmission in selected...
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