采用双端口喇叭天线增强功率处理能力的ka波段整流天线

2021 14th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT) Pub Date : 2021-09-13 DOI:10.1109/ucmmt53364.2021.9569891

Fei Cheng, Chao Gu, K. Huang

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引用次数: 2

摘要

本文提出了一种ka波段整流天线，它包含一个双端口天线，连接两个整流器，用于无线电力传输。喇叭天线由两个堆叠的孔径组成，以最小化天线高度。喇叭天线与1对2功率分配器连接，形成双端口天线。功率分压器将连接到两个相同的高效整流器。采用这种整流天线拓扑，功率处理能力将提高2倍。在34.5 GHz时，当负载为300 Ω，输入功率为22 dBm时，设计的天线实现增益为11.1 dBi，功率分配器插入损耗为3.07 dB，整流器的功率转换效率为50%。可以预测，该整流天线可以处理至少25 dBm的输入功率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ka-band Rectenna With Enhanced Power Handling Capability Using Double-port Horn Antenna

This paper presents a Ka-band rectenna which contains a double-port antenna connected with two rectifiers for wireless power transfer. The horn antenna is formed by two stacked apertures to minimize the antenna height. The horn antenna is connected to 1-to-2 power divider to form a double-port antenna. The power divider would be connected to the two same efficient rectifiers. With this rectenna topology, the power handling capability would be enhanced by 2 times. At 34.5 GHz, the designed antenna has a realized gain of 11.1 dBi, the designed power divider has insertion loss of 3.07 dB, and the rectifier has a power conversion efficiency of 50% when the load is 300 Ω and the input power is 22 dBm. It can be predicted that the rectenna can handle at least 25 dBm input power.

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来源期刊

2021 14th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT)

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