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Paper Abstract and Keywords
Presentation 2026-01-22 13:20
A study on Radio Propagation Estimation for Beam Wireless Power Transmission Systems -- Vol.2 Radio Propagation Analysis for Building using Radio Characteristics Database of Building Components --
Toshiteru Hayashi, Koji Yamaguchi, Masahiro Hanazawa, Tetsuo Endo (TAISEI), Yukihiro Honma (Mitsubishi Electric), Ryosuke Suga, Osamu Hashimoto (Aoyama Gakuin) WPT2025-43
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this research is to study on evaluation techniques for the coexistence of electromagnetic fields generated by beam wireless power transmission and other wireless system, and it aims to develop simulation systems that can derive precise estimation data for the radio strength inside and outside of buildings. In this paper, we propose high-precision simulation method for radio propagation analysis by applying radio characteristics database of each building component in building. The proposed method demonstrates its validity through comparative verification. This verification includes experimental measurement results obtained under the same conditions as the simulation results analyzed by the proposed method, specifically for the 920MHz band and 5.7GHz band, as well as simulation results from the conventional ITU model.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transmission Systems / Propagation Estimation / Building Components / Ray-tracing Simulation / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 319, WPT2025-43, pp. 25-30, Jan. 2026.
Paper # WPT2025-43 
Date of Issue 2026-01-14 (WPT) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF WPT2025-43

Conference Information
Committee AP WPT  
Conference Date 2026-01-21 - 2026-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Amami City Aiai Hiroba 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio propagation, Wireless transmission technology, Antennas and Propagation 
Paper Information
Registration To WPT 
Conference Code 2026-01-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on Radio Propagation Estimation for Beam Wireless Power Transmission Systems 
Sub Title (in English) Vol.2 Radio Propagation Analysis for Building using Radio Characteristics Database of Building Components 
Keyword(1) Wireless Power Transmission Systems  
Keyword(2) Propagation Estimation  
Keyword(3) Building Components  
Keyword(4) Ray-tracing Simulation  
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1st Author's Name Toshiteru Hayashi  
1st Author's Affiliation TAISEI Corporation (TAISEI)
2nd Author's Name Koji Yamaguchi  
2nd Author's Affiliation TAISEI Corporation (TAISEI)
3rd Author's Name Masahiro Hanazawa  
3rd Author's Affiliation TAISEI Corporation (TAISEI)
4th Author's Name Tetsuo Endo  
4th Author's Affiliation TAISEI Corporation (TAISEI)
5th Author's Name Yukihiro Honma  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
6th Author's Name Ryosuke Suga  
6th Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin)
7th Author's Name Osamu Hashimoto  
7th Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin)
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Speaker Author-1 
Date Time 2026-01-22 13:20:00 
Presentation Time 20 minutes 
Registration for WPT 
Paper # WPT2025-43 
Volume (vol) vol.125 
Number (no) no.319 
Page pp.25-30 
#Pages 6 
Date of Issue 2026-01-14 (WPT) 

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