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Paper Abstract and Keywords
Presentation 2022-07-29 10:35
Practical experiments for extending the communication distance with LPWA wireless still-image transmission equipment
Syuto Baba, Ryoma Yoshioka, Kazunori Maeda (DAINICHI ELECTRONIC CORP.), Naoya Kajitani (Japan Microsystems Inc.), Akira Otsuka (Graduate Institute for Entrepreneurial Studies), Youichi Sagata (DAINICHI ELECTRONIC CORP.) ICTSSL2022-10
Abstract (in Japanese) (See Japanese page) 
(in English) Through the rapid development of IoT technology in recent years, various remote monitoring / control systems have been implemented in social systems and as they have become more widespread, the additional features such as "license-free," "portable," and "independent power supply." have been also more required. In consideration of these market demands, we have developed a still-image transmission equipment using the LPWA method which enables to put it into practical use mainly focused in the field on detecting the foresight of natural disasters. However, we had difficulties on forming wireless communication systems which can transmit digital signals exceeding 8 km even in the straight line conditions without obstruction, and we have studied that the further development on the equipment to extend the communication distance must be necessary for the solution on the practical use. In order to solve this problem, we have successfully developed the systems to extend the distance with using high-gain antenna. And through our verification experiments, we have confirmed that it enables to form an LPWA communication line in the distance of exceeding 10 km.
Keyword (in Japanese) (See Japanese page) 
(in English) LPWA / 920MHz / IoT / Disaster prediction / High gain antennas / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 142, ICTSSL2022-10, pp. 1-5, July 2022.
Paper # ICTSSL2022-10 
Date of Issue 2022-07-22 (ICTSSL) 
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)
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Conference Information
Committee ICTSSL  
Conference Date 2022-07-29 - 2022-07-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kansai University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Disaster Prevention & General Session 
Paper Information
Registration To ICTSSL 
Conference Code 2022-07-ICTSSL 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Practical experiments for extending the communication distance with LPWA wireless still-image transmission equipment 
Sub Title (in English)  
Keyword(1) LPWA  
Keyword(2) 920MHz  
Keyword(3) IoT  
Keyword(4) Disaster prediction  
Keyword(5) High gain antennas  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Syuto Baba  
1st Author's Affiliation DAINICHI ELECTRONIC CORPORATION (DAINICHI ELECTRONIC CORP.)
2nd Author's Name Ryoma Yoshioka  
2nd Author's Affiliation DAINICHI ELECTRONIC CORPORATION (DAINICHI ELECTRONIC CORP.)
3rd Author's Name Kazunori Maeda  
3rd Author's Affiliation DAINICHI ELECTRONIC CORPORATION (DAINICHI ELECTRONIC CORP.)
4th Author's Name Naoya Kajitani  
4th Author's Affiliation Japan Microsystems Incorporated (Japan Microsystems Inc.)
5th Author's Name Akira Otsuka  
5th Author's Affiliation Graduate Institute for Entrepreneurial Studies (Graduate Institute for Entrepreneurial Studies)
6th Author's Name Youichi Sagata  
6th Author's Affiliation DAINICHI ELECTRONIC CORPORATION (DAINICHI ELECTRONIC CORP.)
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Speaker Author-1 
Date Time 2022-07-29 10:35:00 
Presentation Time 25 minutes 
Registration for ICTSSL 
Paper # ICTSSL2022-10 
Volume (vol) vol.122 
Number (no) no.142 
Page pp.1-5 
#Pages 5 
Date of Issue 2022-07-22 (ICTSSL) 

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