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Paper Abstract and Keywords
Presentation 2022-11-08 14:00
[Technology Exhibit] Demonstration of a high-density communication scheme APCMA using 500 transmitters
Kentaro Honda, Atsushi Nakamura, Kouhei Shiotsuka (TUS), Ferdinand Peper, Kenji Leibnitz (NICT), Naoki Wakamiya (Osaka Univ.), Mikio Hasegawa (TUS) SR2022-65
Abstract (in Japanese) (See Japanese page) 
(in English) Asynchronous Pulse Code Multiple Access (APCMA) has been proposed as a new Low Power Wide Area (LPWA) network technology to prepare for the increase in IoT devices in 6G. This scheme modulates data as intervals between pulses and is highly robust against message collisions. In this research, APCMA is implemented on 500 transmitting devices, extending the 100-device experiment that has been conducted in previous research. We have also designed an APCMA transmitter that meets the ARIB-STD T108 standard for the 920 MHz band in Japan, and have obtained TELEC certification for it. Experiments were conducted to evaluate the performance with 500 devices, and it was found that the success probability decreased as the number of transmitters or bit rate increased.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / LPWA / High-density communication / APCMA / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 243, SR2022-65, pp. 105-108, Nov. 2022.
Paper # SR2022-65 
Date of Issue 2022-10-31 (SR) 
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)
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Conference Information
Committee SR  
Conference Date 2022-11-07 - 2022-11-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Software Defined Radio, Cognitive Radio, Spectrum Sharing, etc. 
Paper Information
Registration To SR 
Conference Code 2022-11-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Demonstration of a high-density communication scheme APCMA using 500 transmitters 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) LPWA  
Keyword(3) High-density communication  
Keyword(4) APCMA  
1st Author's Name Kentaro Honda  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Atsushi Nakamura  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Kouhei Shiotsuka  
3rd Author's Affiliation Tokyo University of Science (TUS)
4th Author's Name Ferdinand Peper  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Kenji Leibnitz  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Naoki Wakamiya  
6th Author's Affiliation Osaka University (Osaka Univ.)
7th Author's Name Mikio Hasegawa  
7th Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2022-11-08 14:00:00 
Presentation Time 60 minutes 
Registration for SR 
Paper # SR2022-65 
Volume (vol) vol.122 
Number (no) no.243 
Page pp.105-108 
Date of Issue 2022-10-31 (SR) 

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