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Paper Abstract and Keywords
Presentation 2020-07-08 16:20
Dynamic Transmission Scheduling Using Shift-Phase Manipulation in LoRa Networks
Riki Bando, Akihiro Nakao (UTokyo) NS2020-32
Abstract (in Japanese) (See Japanese page) 
(in English) Low Power Wide Area (LPWA) is attracting attention as a wireless communication technology to realize low power consumption and wide-area IoT networks. Wireless sensors often perform environmental sensing periodically, but LoRa, one type of LPWA, uses ALOHA for the MAC layer protocol, which causes an increase in packet collisions due to overlapping of intermittent communication as the number of sensors increases. In this study, we propose a scheduling method that dynamically smoothes the traffic by shifting transmission timing of each sensor with phase-shift manipulation. Furthermore, we use a network simulator NS-3 to evaluate the effectiveness of the proposed method in terms of improving packet delivery ratio.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / LPWA / LoRa / Periodic traffic / ALOHA / Phase-shift scheduling / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 88, NS2020-32, pp. 7-12, July 2020.
Paper # NS2020-32 
Date of Issue 2020-07-01 (NS) 
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 NS2020-32

Conference Information
Committee SR NS SeMI RCC RCS  
Conference Date 2020-07-08 - 2020-07-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication and Network Technology of the AI Age, M2M (Machine-to-Machine),D2D (Device-to-Device),IoT(Internet of Things), etc 
Paper Information
Registration To NS 
Conference Code 2020-07-SR-NS-SeMI-RCC-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dynamic Transmission Scheduling Using Shift-Phase Manipulation in LoRa Networks 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) LPWA  
Keyword(3) LoRa  
Keyword(4) Periodic traffic  
Keyword(5) ALOHA  
Keyword(6) Phase-shift scheduling  
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Keyword(8)  
1st Author's Name Riki Bando  
1st Author's Affiliation The University of Tokyo (UTokyo)
2nd Author's Name Akihiro Nakao  
2nd Author's Affiliation The University of Tokyo (UTokyo)
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Speaker Author-1 
Date Time 2020-07-08 16:20:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2020-32 
Volume (vol) vol.120 
Number (no) no.88 
Page pp.7-12 
#Pages
Date of Issue 2020-07-01 (NS) 


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