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Paper Abstract and Keywords
Presentation 2025-01-23 15:50
A Study on Dynamic Channel Reselection for Mobile Nodes in DR-IoT, a Wireless Communication System.
Kohei Agata (Shizuoka Univ.), Hiroyuki Yomo (Kansai Univ.), Masakatsu Ogawa (Sophia Univ.), Arata Kato (Space-Time Engineering), Mineo Takai (Osaka Univ.), Susumu Ishihara (Shizuoka Univ.) SeMI2024-68
Abstract (in Japanese) (See Japanese page) 
(in English) Diversified-Range IoT (DR-IoT) communication system aims to efficiently utilize scarce frequency resources by selectively using over 1,000 channels with four different bandwidths of 6.25, 25,100 and 400 kHz to achieve a maximum communication rate of 320 kbps according to applications and communication distances.
In environments where multiple organizations using DR-IoT coexist, each organization must select different channels to reduce mutual interference.
We have previously proposed a method that dynamically assigns channels to organizations by correlating the physical location of nodes in physical space with their positions on the frequency axis using RSSI.
However, as the environment changes due to the movement of DR-IoT devices, the channels with less interference also change, making channel reassignment during device movement challenging.
In this paper, we clarify the necessity of channel reselection and switching in DR-IoT, identify the challenges, and propose a method to address these issues.
Keyword (in Japanese) (See Japanese page) 
(in English) DR-IoT / Channel selection / IEEE802.15.4 / Interference avoidance / Media Access Control (MAC) / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 353, SeMI2024-68, pp. 35-40, Jan. 2025.
Paper # SeMI2024-68 
Date of Issue 2025-01-16 (SeMI) 
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 SeMI  
Conference Date 2025-01-23 - 2025-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SeMI 
Conference Code 2025-01-SeMI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Dynamic Channel Reselection for Mobile Nodes in DR-IoT, a Wireless Communication System. 
Sub Title (in English)  
Keyword(1) DR-IoT  
Keyword(2) Channel selection  
Keyword(3) IEEE802.15.4  
Keyword(4) Interference avoidance  
Keyword(5) Media Access Control (MAC)  
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1st Author's Name Kohei Agata  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Hiroyuki Yomo  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Masakatsu Ogawa  
3rd Author's Affiliation Sophia University (Sophia Univ.)
4th Author's Name Arata Kato  
4th Author's Affiliation Space-Time Engineering, Inc. (Space-Time Engineering)
5th Author's Name Mineo Takai  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Susumu Ishihara  
6th Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2025-01-23 15:50:00 
Presentation Time 20 minutes 
Registration for SeMI 
Paper # SeMI2024-68 
Volume (vol) vol.124 
Number (no) no.353 
Page pp.35-40 
#Pages 6 
Date of Issue 2025-01-16 (SeMI) 

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