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Paper Abstract and Keywords
Presentation 2025-06-13 10:45
Collision Avoidance Methods for High Frequency Data Communication for Wi-SUN FAN
Ryuichi Nagao, Hiroko Masaki, Hiroshi Harada (Kyoto Univ.) SRW2025-5 MWPTHz2025-5
Abstract (in Japanese) (See Japanese page) 
(in English) Internet of Things (IoT), which connects all kinds of objects to the Internet and facilitates the exchange of information is rapidly developing. This promotes the aggregation of data from objects and the automated use of objects, thereby creating new added value. Wi-SUN FAN (Wireless Smart Utility Network Field Area Network), an international standard for wireless communication systems for IoT systems, is suitable for outdoor data collection and device control in IoT systems, as it enables the autonomous construction of wide-area networks. However, since the technical specifications adopted by Wi-SUN FAN are designed based on independently standardized technologies, there are several corner cases where the combination of these specifications deteriorates the transmission characteristics, and the technical specifications need to be reviewed in order to maintain a stable network. This paper addresses the problems of “data interruptions” and “data collisions” caused by combinations of technical specifications used in the data link layer and analyses the causes of these problems. It then proposes a new method to solve the two problems and shows the validity of the proposed method by computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / Wi-SUN FAN / CSMA/CA / Frequency Hopping / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 72, SRW2025-5, pp. 23-28, June 2025.
Paper # SRW2025-5 
Date of Issue 2025-06-06 (SRW, MWPTHz) 
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 SRW2025-5 MWPTHz2025-5

Conference Information
Committee SRW MWPTHz  
Conference Date 2025-06-13 - 2025-06-13 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) MWPTHz, WLAN, WPAN, Ad-hoc, mmWave, etc. 
Paper Information
Registration To SRW 
Conference Code 2025-06-SRW-MWPTHz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Collision Avoidance Methods for High Frequency Data Communication for Wi-SUN FAN 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) Wi-SUN FAN  
Keyword(3) CSMA/CA  
Keyword(4) Frequency Hopping  
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1st Author's Name Ryuichi Nagao  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Hiroko Masaki  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hiroshi Harada  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2025-06-13 10:45:00 
Presentation Time 20 minutes 
Registration for SRW 
Paper # SRW2025-5, MWPTHz2025-5 
Volume (vol) vol.125 
Number (no) no.72(SRW), no.73(MWPTHz) 
Page pp.23-28 
#Pages 6 
Date of Issue 2025-06-06 (SRW, MWPTHz) 

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