Novel l-slot matching circuit integrated with circularly polarized rectenna for wireless energy harvesting

Mohamed M. Mansour, Haruichi Kanaya

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

Radio frequency (RF) power harvesting allows wireless power delivery concurrently to several remote RF devices. This manuscript presents the implementation of a compact, reliable, effective, and flexible energy harvesting (EH) rectenna design. It integrates a simple rectifier circuit with a circularly polarized one-sided slot dipole antenna at 2.45 GHz Industrial, Scientific, Medical (ISM) frequency band for wireless charging operation at low incident power densities, from 1 to 95 μW/cm2. The rectenna structure is printed on a single layer, low cost, commercial FR4 substrate. The integration of the rectifier and antenna produces a low-profile and high performance circularly polarized rectenna. In order to maximize the system efficiency, the matching circuit introduced between the rectifier and antenna is optimized for a minimum number of discrete components and it is constructed using multiple of L-slot defects in the ground plane. For a given input power of −6 dBm intercepted by the circularly polarized antenna with 3 dBi gain, the peak RF-DC (radio frequency-direct current) conversion efficiency is 59.5%. The rectenna dimensions are 41 × 35.5 mm2. It is demonstrated that the output power from the proposed rectenna is higher than the other published designs with a similar antenna size under the same ambient condition. Thanks to its compact size, the proposed rectenna finds a range of potential applications for wireless energy charging.

元の言語英語
記事番号653
ジャーナルElectronics (Switzerland)
8
発行部数6
DOI
出版物ステータス出版済み - 6 1 2019

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Energy harvesting
Integrated circuits
Antennas
Dipole antennas
Slot antennas
Networks (circuits)
Conversion efficiency
Frequency bands
Defects
Substrates
Costs

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Signal Processing
  • Hardware and Architecture
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

これを引用

Novel l-slot matching circuit integrated with circularly polarized rectenna for wireless energy harvesting. / Mansour, Mohamed M.; Kanaya, Haruichi.

:: Electronics (Switzerland), 巻 8, 番号 6, 653, 01.06.2019.

研究成果: ジャーナルへの寄稿記事

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