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Paper Abstract and Keywords
Presentation 2024-11-29 15:15
Parameter Estimation of Multi-Layer Building Material based on Free Space Method
Kentaro Saito (Tottori Univ.), CheChia Kang, Jun-ichi Takada (Science Tokyo) SRW2024-47 SeMI2024-59
Abstract (in Japanese) (See Japanese page) 
(in English) Computer technology has made significant progress recently, and various radio propagation simulation techniques have been utilized for the performance evaluation and design of wireless networks, for example, in cyber-physical systems.
As accurate site-specific radio propagation simulations are desired in these systems, it is important to create accurate propagation environment models from the viewpoint of radio propagation.
In this paper, we propose the building material model for the radio propagation simulation.
In our model, building materials are modeled by the multi-layer plates.
The dielectric and geometric model parameters of each material layer are estimated from the free space measurement by the maximum likelihood-based algorithm.
The experiment was conducted in the 33 GHz band in indoor environments for the investigation of millimeter-wave band radio propagation characteristics in the Beyond 5G system, and the model parameters of the building materials were estimated by our proposed method.
The results showed that wood and glass walls had significant frequency dependencies on the radio wave reflection characteristics, and the modeling accuracy was significantly improved by introducing our multi-layered building material model.
The research results are expected to be utilized in radio propagation simulations for wireless system evaluations and designs.
Keyword (in Japanese) (See Japanese page) 
(in English) Building material parameter / Conductivity / Free space method / Maximum likelihood estimation / Millimeter wave band / Permittivity / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 276, SRW2024-47, pp. 90-95, Nov. 2024.
Paper # SRW2024-47 
Date of Issue 2024-11-21 (SRW, SeMI) 
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 SRW2024-47 SeMI2024-59

Conference Information
Committee SRW SeMI  
Conference Date 2024-11-28 - 2024-11-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Univ. of Science Katsushika Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IoT Workshop 
Paper Information
Registration To SRW 
Conference Code 2024-11-SRW-SeMI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Parameter Estimation of Multi-Layer Building Material based on Free Space Method 
Sub Title (in English)  
Keyword(1) Building material parameter  
Keyword(2) Conductivity  
Keyword(3) Free space method  
Keyword(4) Maximum likelihood estimation  
Keyword(5) Millimeter wave band  
Keyword(6) Permittivity  
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Keyword(8)  
1st Author's Name Kentaro Saito  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name CheChia Kang  
2nd Author's Affiliation Institute of Science Tokyo (Science Tokyo)
3rd Author's Name Jun-ichi Takada  
3rd Author's Affiliation Institute of Science Tokyo (Science Tokyo)
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Speaker Author-1 
Date Time 2024-11-29 15:15:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2024-47, SeMI2024-59 
Volume (vol) vol.124 
Number (no) no.276(SRW), no.277(SeMI) 
Page pp.90-95 
#Pages 6 
Date of Issue 2024-11-21 (SRW, SeMI) 

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