45% RF-to-DC Conversion Efficiency Wireless Power Transfer System Through Biological Tissues Using Complex Conjugate Impedance Matching Taking Account of Tissue's Properties

Sumin Chalise, Mitsuki Nakao, Fairus Tahar, Adel Barakat, Kuniaki Yoshitomi, Ramesh K. Pokharel

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

This paper presents a complex conjugate impedance matching technique taking account of the electric properties of biological tissues during power transfer. Output impedance of a wireless power transfer (WPT) system depends on the electrical property of tissues where the system is being used. So, impedance mismatch between Rx and rectifier occurs when the system optimized for air is used in biological tissues. First, the system is matched in the air and later, impedance mismatch is estimated when the same system is being used in chicken which is later compensated. The proposed matching technique will bring back the rf-dc power conversion efficiency (PCE) very close to that of the system being used in the air. Experiment was carried out in three different cases where PCE is 49.53% in the air, 30% in chicken with the conventional conjugate matching and 45.5% in the chicken using the proposed matching technique.

本文言語英語
ホスト出版物のタイトル2019 IEEE MTT-S International Microwave Symposium, IMS 2019
出版社Institute of Electrical and Electronics Engineers Inc.
ページ1419-1422
ページ数4
ISBN(電子版)9781728113098
DOI
出版ステータス出版済み - 6 2019
イベント2019 IEEE MTT-S International Microwave Symposium, IMS 2019 - Boston, 米国
継続期間: 6 2 20196 7 2019

出版物シリーズ

名前IEEE MTT-S International Microwave Symposium Digest
2019-June
ISSN(印刷版)0149-645X

会議

会議2019 IEEE MTT-S International Microwave Symposium, IMS 2019
Country米国
CityBoston
Period6/2/196/7/19

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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