Power-Efficient Simultaneous Wireless Information and Power Transfer (SWIPT) for Batteryless IoT Devices Using a Co-Designed Rectifying Metantenna

IF 6.9 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Ping Lu;Linkai Luo;Linjie Yang;Ce Wang;Cheng Zhang;Chaoyun Song;Kama Huang;Yi Huang
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引用次数: 0

Abstract

A novel co-designing strategy is presented for an integrated rectifying metantenna, which combines rectification, absorption and electromagnetic signal reception functionalities for simultaneous wireless information and power transfer (SWIPT). The metasurface is constructed using periodic patch units arranged in front of a compact microstrip antenna. This arrangement effectively stimulates transverse electric (TE) and transverse magnetic (TM) surface waves, which ensures not only high gain but also optimal antenna matching. Furthermore, the metasurface incorporates rectifier diodes distributed partially, significantly enhancing energy conversion efficiency. The proposed rectifying metantenna operates at 5.8 GHz (an ISM band) and achieves a maximum energy conversion efficiency of 54.6% when subjected to an input power of 0 dBm. This accomplishment is particularly noteworthy when the metantenna is integrated into devices for data communication. The proposed rectifying metantenna boasts a range of merits including high integration and multifunctionality. These inherent attributes position it as a promising candidate for advanced IoT wireless communication systems, facilitating the generation of rectified DC power while receiving RF signals without the need for power splitter and time-switching used in conventional SWIPT systems.
使用共同设计的整流元天线的无电池物联网设备的节能同时无线信息和电力传输(SWIPT)
提出了一种集成整流元天线的协同设计策略,该策略集整流、吸收和电磁信号接收功能于一体,可实现同步无线信息和功率传输。该超表面是利用排列在紧凑型微带天线前面的周期性贴片单元构造的。这种布置有效地激发了横向电(TE)和横向磁(TM)表面波,既保证了高增益,又保证了最佳的天线匹配。此外,该超表面集成了部分分布的整流二极管,显著提高了能量转换效率。所提出的整流元天线工作在5.8 GHz (ISM频段),当输入功率为0 dBm时,能量转换效率最高可达54.6%。当元天线集成到数据通信设备中时,这一成就尤其值得注意。所提出的整流元天线具有高集成度和多功能性等优点。这些固有属性使其成为先进物联网无线通信系统的有希望的候选者,在接收RF信号的同时促进整流直流电源的产生,而无需传统SWIPT系统中使用的功率分路器和时间开关。
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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来源期刊
CiteScore
10.70
自引率
0.00%
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0
审稿时长
8 weeks
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