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Paper Abstract and Keywords
Presentation 2024-10-04 13:00
Simplified numerical smartphone model for evaluating electromagnetic radiation exposure -- Application to SAR calculations by use of numerical human body models --
Erina Kawai, Kazuyuki Saito (NICT/Chiba Univ.), Masaharu Takahashi (Chiba Univ.), Tomoaki Nagaoka (NICT)
Abstract (in Japanese) (See Japanese page) 
(in English) With the recent spread of wireless communication devices such as smartphones, it is important to evaluate electromagnetic radiation exposure to the human body. In previous studies, numerical simulations of electromagnetic exposure to the human body have been conducted using numerical human body models and detailed smartphone models that simulate actual terminals in detail. However, the miniaturization and advanced functionality of terminals have made numerical modeling of smartphones a significant time-consuming issue. Therefore, we have developed a simple method for constructing a numerical smartphone model focusing on the specific absorption rate (SAR), which is an index for safety evaluation. In this study, the simplified smartphone model constructed by this method is applied to SAR evaluation using a numerical human body model, and its validity has been confirmed.
Keyword (in Japanese) (See Japanese page) 
(in English) SAR(Specific Absorption Rate) / Smartphone model / Numerical calculation / FDTD (Finite Difference Time Domain) / Electromagnetic radiation exposure / / /  
Reference Info. ITE Tech. Rep., vol. 48, no. 32, BCT2024-65, pp. 29-32, Oct. 2024.
Paper # BCT2024-65 
Date of Issue 2024-09-26 (BCT) 
ISSN Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-SIS BCT  
Conference Date 2024-10-03 - 2024-10-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokusei Gakuen Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To BCT 
Conference Code 2024-10-SIS-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simplified numerical smartphone model for evaluating electromagnetic radiation exposure 
Sub Title (in English) Application to SAR calculations by use of numerical human body models 
Keyword(1) SAR(Specific Absorption Rate)  
Keyword(2) Smartphone model  
Keyword(3) Numerical calculation  
Keyword(4) FDTD (Finite Difference Time Domain)  
Keyword(5) Electromagnetic radiation exposure  
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1st Author's Name Erina Kawai  
1st Author's Affiliation National Institute of Information and Communications Technology/Chiba University (NICT/Chiba Univ.)
2nd Author's Name Kazuyuki Saito  
2nd Author's Affiliation National Institute of Information and Communications Technology/Chiba University (NICT/Chiba Univ.)
3rd Author's Name Masaharu Takahashi  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Tomoaki Nagaoka  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2024-10-04 13:00:00 
Presentation Time 20 minutes 
Registration for BCT 
Paper # BCT2024-65 
Volume (vol) vol.48 
Number (no) no.32 
Page pp.29-32 
#Pages 4 
Date of Issue 2024-09-26 (BCT) 

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