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A novel rectenna based on the grid-array antenna is presented in this paper. The grid-array antenna provides the feasibility to tilt the radiation beam. Two isolated feed points are designed in the grid-array antenna so as to generate two different beams separately. In this way, the rectenna can harvest more wireless RF energy from different directions. Finally, a prototype is fabricated and measured...
In this paper, a compact rectenna with two closely spaced elements is proposed for the low-power energy harvesting application. To compensate the low RF-to-dc conversion efficiency of rectifier due to the low input power, an asymmetric configuration of antenna is designed, which achieves 7.3-dBi gain at 2.45 GHz. The rectifier is further embedded in the antenna without any additional circuit area...
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