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Paper Abstract and Keywords
Presentation 2022-10-19 12:20
[Poster Presentation] Propagation characteristics from indoor wireless devices to outdoor environment
Naoki Nishimoto (Doshisha Univ.), Shigeo Gotoh (Panasonic Corp.), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2022-114
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless control system of outdoor terminals from an indoor access point has been discussed. In such a system, it is important to clarify propagation characteristics from indoor to outdoor environments to establish a reliable system. In this report, the propagation characteristics in such an environment are investigated. We analyze the spatial spread of the propagation characteristics from indoor to outdoor environments by using the Ray-tracing method and the Aperture field method. The dependence of the characteristics on the size of the window, which is the aperture surface from an indoor to an outdoor environment, and the transmitting position of the access point in an indoor environment are discussed. The spread size of the propagation characteristic is quantified using the half power beam width (BW) of the distribution of the signal strength. This analysis shows the characteristics of changes of BW and clarifies the relationship between BW and the size of the first Fresnel zone.
Keyword (in Japanese) (See Japanese page) 
(in English) Indoor-outdoor environment / Propagation characteristics / Ray tracing method / Aperture field method / Spatial spread / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 214, AP2022-114, pp. 88-89, Oct. 2022.
Paper # AP2022-114 
Date of Issue 2022-10-12 (AP) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee AP  
Conference Date 2022-10-19 - 2022-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English) GIFU CITY CULTURE CENTER 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Propagation characteristics from indoor wireless devices to outdoor environment 
Sub Title (in English)  
Keyword(1) Indoor-outdoor environment  
Keyword(2) Propagation characteristics  
Keyword(3) Ray tracing method  
Keyword(4) Aperture field method  
Keyword(5) Spatial spread  
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1st Author's Name Naoki Nishimoto  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Shigeo Gotoh  
2nd Author's Affiliation Panasonic Corporation (Panasonic Corp.)
3rd Author's Name Hisato Iwai  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Shinsuke Ibi  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2022-10-19 12:20:00 
Presentation Time 120 minutes 
Registration for AP 
Paper # AP2022-114 
Volume (vol) vol.122 
Number (no) no.214 
Page pp.88-89 
#Pages
Date of Issue 2022-10-12 (AP) 


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