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Paper Abstract and Keywords
Presentation 2022-06-10 16:20
A Study on Autonomous Distributed TDMA Using Synchronization Theory for Low Power Intermittent Communication
Hiroyuki Yasuda (The Univ. of Tokyo), Takahito Mitsui (Technical Univ. of Munich), Kazuyuki Aihara (The Univ. of Tokyo), Mikio Hasegawa (Tokyo Univ. of Science) NLP2022-23 CCS2022-23
Abstract (in Japanese) (See Japanese page) 
(in English) The Internet of Things (IoT), a large-scale network of many communication terminals, requires autonomous decentralized communication to cope with the increased load and cost caused by the explosive growth of various control signals. As the medium access control (MAC) protocol for the IoT environment, Time Division Multiple Access (TDMA) is ideally efficient in channel utilization, but it is a centralized protocol due to the need for precise time synchronization and allocation control for time slot sharing. Various methods based on in-phase and anti-phase synchronization or desynchronization of coupled oscillators have been proposed for decentralized TDMA, but these methods always require the mutual exchange of phase information, and cannot be applied to intermittent communications as is. In this paper, we propose a new decentralized TDMA for IoT networks that can be applied to intermittent communication using a coupled oscillator model that exchanges information intermittently. Simulation results show that the proposed method can achieve desynchronization in static and dynamic environments. The convergence time of synchronization for up to 50 terminals was investigated, and it was found that there exists an optimal coupling strength that minimizes the convergence time depending on the number of terminals.
Keyword (in Japanese) (See Japanese page) 
(in English) Synchronization Theory / Desynchronization / Oscillator / Anti-phase synchronization / IoT / Autonomous distribution / TDMA /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 66, CCS2022-23, pp. 117-122, June 2022.
Paper # CCS2022-23 
Date of Issue 2022-06-02 (NLP, CCS) 
ISSN Online edition: ISSN 2432-6380
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 NLP2022-23 CCS2022-23

Conference Information
Committee CCS NLP  
Conference Date 2022-06-09 - 2022-06-10 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To CCS 
Conference Code 2022-06-CCS-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Autonomous Distributed TDMA Using Synchronization Theory for Low Power Intermittent Communication 
Sub Title (in English)  
Keyword(1) Synchronization Theory  
Keyword(2) Desynchronization  
Keyword(3) Oscillator  
Keyword(4) Anti-phase synchronization  
Keyword(5) IoT  
Keyword(6) Autonomous distribution  
Keyword(7) TDMA  
1st Author's Name Hiroyuki Yasuda  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Takahito Mitsui  
2nd Author's Affiliation Technical University of Munich (Technical Univ. of Munich)
3rd Author's Name Kazuyuki Aihara  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
4th Author's Name Mikio Hasegawa  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2022-06-10 16:20:00 
Presentation Time 25 minutes 
Registration for CCS 
Paper # NLP2022-23, CCS2022-23 
Volume (vol) vol.122 
Number (no) no.65(NLP), no.66(CCS) 
Page pp.117-122 
Date of Issue 2022-06-02 (NLP, CCS) 

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