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Paper Abstract and Keywords
Presentation 2021-08-20 10:00
A Study on Permittivity Estimation of Building Materials
Hiroki Aizawa, Yuya Arakawa, Toshiyuki Maeyama (Takushoku Univ), Takehiro Turuta (Takenaka Technical Research Institute) AP2021-48
Abstract (in Japanese) (See Japanese page) 
(in English) The authors are working on the estimate of the indoor propagation characteristics using the electromagnetic analytical technique. At this time, the permittivity of walls and ceilings is an important value for performing electromagnetic analysis. On the other hand, we can think about the reinforced concrete is the compounded materials of the concrete and the reinforcing rod, but it is very difficult to measure the complex relative permittivity of real building materials. Therefore, we are considering modeling on a computer and estimating the complex relative permittivity from electromagnetic analysis. These are two well-known methods, the standing wave method and the permeation method. These is a method for actual measurement, but we confirmed whether the permittivity could be estimated using these two methods in electromagnetic analysis. And confirmed the characteristics by actual measurement. In this paper, we report the results obtained in estimating the complex relative permittivity using the above method.
Keyword (in Japanese) (See Japanese page) 
(in English) Radio Wave Propagation / Building Material / Reinforced Concrete / FDTD / Standing Wave Method / Permeation method / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 141, AP2021-48, pp. 1-6, Aug. 2021.
Paper # AP2021-48 
Date of Issue 2021-08-13 (AP) 
ISSN Online edition: ISSN 2432-6380
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 AP2021-48

Conference Information
Committee AP  
Conference Date 2021-08-20 - 2021-08-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2021-08-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Permittivity Estimation of Building Materials 
Sub Title (in English)  
Keyword(1) Radio Wave Propagation  
Keyword(2) Building Material  
Keyword(3) Reinforced Concrete  
Keyword(4) FDTD  
Keyword(5) Standing Wave Method  
Keyword(6) Permeation method  
1st Author's Name Hiroki Aizawa  
1st Author's Affiliation Takushoku University (Takushoku Univ)
2nd Author's Name Yuya Arakawa  
2nd Author's Affiliation Takushoku University (Takushoku Univ)
3rd Author's Name Toshiyuki Maeyama  
3rd Author's Affiliation Takushoku University (Takushoku Univ)
4th Author's Name Takehiro Turuta  
4th Author's Affiliation Takenaka Corporation, Takenaka Technical Research Institute (Takenaka Technical Research Institute)
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Speaker Author-1 
Date Time 2021-08-20 10:00:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2021-48 
Volume (vol) vol.121 
Number (no) no.141 
Page pp.1-6 
Date of Issue 2021-08-13 (AP) 

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