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Paper Abstract and Keywords
Presentation 2019-08-27 15:45
[Invited Talk] Research and development of wide-area sensor network system utilizing LoRa
Hiroshi Yamamoto (Ritsumeikan Univ.) CQ2019-71
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, an LPWA (Low-Power Wide-Area) becomes to be used for constructing a wide-area sensor network because the communication speed is very slow but the communication range is very wide. In the sensor network, many sensor nodes that measure various information are deployed in a wide area, and are supporting the LPWA communication for transmitting the measure data to the gateway. Among various radio communication methods in the LPWA, LoRa is attracting attention because it utilizes unlicensed band (e.g., 920MHz, 429MHz) and the users does not need to contract with communication carriers. In addition, various communication modules supporting the LoRa communication have already been released by various companies, so anyone can easily prototype a sensor network system utilizing the LoRa. However, interval and timing of data transmission should carefully be adjusted in order to avoid the radio interference because the communication range of the LoRa is very wide and a wide frequency band is occupied when transmitting data through the LoRa. In this manuscript, we will introduce various sensor network systems that are prototyped by the authors using the LoRa, and the effectiveness of the LoRa is clarified for various fields. In addition, techniques for avoiding the radio interference are explained in order to improve success rate of the data transmission utilizing LoRa.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / LPWA / LoRa / sensor network / system design / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 183, CQ2019-71, pp. 73-78, Aug. 2019.
Paper # CQ2019-71 
Date of Issue 2019-08-20 (CQ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 CQ  
Conference Date 2019-08-27 - 2019-08-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Hakodate arena 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Machine Learning in Wireless Communication, AI, 6G/Beyond 5G, LPWA, Drone Network, Space Comminication, Underwater Communication, Communication, QoS and QoE in Wireless Communication, Wireless Resource Allocation, Wireless Transmission Quality, Cross layer Technology, Ad-hoc Network, IoT/M2M, Wireless, etc. 
Paper Information
Registration To CQ 
Conference Code 2019-08-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Research and development of wide-area sensor network system utilizing LoRa 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) LPWA  
Keyword(3) LoRa  
Keyword(4) sensor network  
Keyword(5) system design  
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1st Author's Name Hiroshi Yamamoto  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2019-08-27 15:45:00 
Presentation Time 30 minutes 
Registration for CQ 
Paper # CQ2019-71 
Volume (vol) vol.119 
Number (no) no.183 
Page pp.73-78 
#Pages
Date of Issue 2019-08-20 (CQ) 


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