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Paper Abstract and Keywords
Presentation 2020-06-24 00:00
Autonomous Decentralized Frequency Resource Allocation using ACK Signal in LoRaWAN
Kosuke Suzuki (NIT, Numazu College), Naoki Aihara, Koichi Adachi (UEC), Satoshi Yamazaki (NIT, Numazu College) RCS2020-54
Abstract (in Japanese) (See Japanese page) 
(in English) A number of nodes will be densely deployed due to the further development of Internet-of-Things (IoT).If multiple nodes simultaneously send packets on the same frequency channel, packet collision happens at the gateway.This leads to packet loss.By sending an ACK signal to the node whose packet was correctly received by the gateway, the other nodes can initiate packet retransmission in order to resolve the packet loss.However, this is based on the assumption of ACK signal transmission from the gateway to all the nodes.Thus, the processing load of the gateway increases and duty cycle (DC) restriction on the gateway may be impacted.In this paper, we propose an autonomous distributed frequency resource allocation method for LoRaWAN, aiming to reduce the number of packet collisions and reduce the gateway processing load.We will show the effectiveness of the proposed approach through computer simulation and experimental evaluations by implementing the proposed approach.
Keyword (in Japanese) (See Japanese page) 
(in English) LoRaWAN / Frequency resource allocation / ACK / Confirmed packet / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 74, RCS2020-54, pp. 187-192, June 2020.
Paper # RCS2020-54 
Date of Issue 2020-06-17 (RCS) 
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 RCS  
Conference Date 2020-06-24 - 2020-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2020-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Autonomous Decentralized Frequency Resource Allocation using ACK Signal in LoRaWAN 
Sub Title (in English)  
Keyword(1) LoRaWAN  
Keyword(2) Frequency resource allocation  
Keyword(3) ACK  
Keyword(4) Confirmed packet  
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1st Author's Name Kosuke Suzuki  
1st Author's Affiliation National Institute of Technology, Numazu College (NIT, Numazu College)
2nd Author's Name Naoki Aihara  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Koichi Adachi  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Satoshi Yamazaki  
4th Author's Affiliation National Institute of Technology, Numazu College (NIT, Numazu College)
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Speaker Author-1 
Date Time 2020-06-24 00:00:00 
Presentation Time minutes 
Registration for RCS 
Paper # RCS2020-54 
Volume (vol) vol.120 
Number (no) no.74 
Page pp.187-192 
#Pages
Date of Issue 2020-06-17 (RCS) 


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