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Triplexer-Based Multiband Rectenna for RF Energy Harvesting From 3G/4G and Wi-Fi
IEEE Microwave and Wireless Components Letters ( IF 2.9 ) Pub Date : 2021-07-06 , DOI: 10.1109/lmwc.2021.3095074
Minh Q. Dinh 1 , Minh Thuy Le 1
Affiliation  

In this letter, we propose a solution to improve efficiency and selectivity of triplexers, which operate as filters (or matching circuits) for triple-band energy harvesting. The triplexer consists of multiple higher-order open stubs of (2n+1)λ/4(2n+1)\lambda /4 length ( nn is an integer, n≥1n \geq 1 ), which is proven to yield high selectivity. With the high selectivity of the filters, the proposed triplexer achieves the efficiencies of 92%, 86%, and 83% at 1.85, 2.1, and 2.45 GHz, respectively. The triplexer is incorporated in a rectenna, yielding a final efficiency of 60% at 5 dBm input power.

中文翻译:


基于三工器的多频带整流天线,用于从 3G/4G 和 Wi-Fi 收集射频能量



在这封信中,我们提出了一种提高三工器效率和选择性的解决方案,三工器用作三频能量收集的滤波器(或匹配电路)。三工器由多个 (2n+1)λ/4(2n+1)\lambda /4 长度的高阶开路短截线组成( nn 是整数,n≥1n \geq 1 ),经证明具有高选择性。凭借滤波器的高选择性,所提出的三工器在 1.85、2.1 和 2.45 GHz 下分别实现了 92%、86% 和 83% 的效率。三工器集成在整流天线中,在 5 dBm 输入功率时最终效率为 60%。
更新日期:2021-07-06
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