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Paper Abstract and Keywords
Presentation 2021-03-04 09:00
A Study on Conversion of NLoS conditions to LoS conditions using Sidelink in Smart Factory Environments
Akihiro Kubota, Seiichi Sampei, Takumi Takahashi (Osaka Univ.) RCS2020-221
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a method to establish a stable wireless link for devices in non-line-of-sight (NLoS) environment using sidelink.With the development of the internet of Things (IoT) technology, a smart factory has attached more and more attentions, where all devices in the factory are connected to the network and information from the devices is collected, analyzed, and distributed in real time to manage the factory.However, due to the presence of a large number of metal objects in the factory, radio waves are shielded, and a NLoS environment easily occurs.To address this issue, a method that uses reflections from surrounding equipment can be considered, however, its validity depends largely on the layout of the factory, and the propagation path changes due to the movement of objects, etc., and therefore the stability of wireless communications is not guaranteed.In the proposed scheme, a device in the LoS (Line of Sight) condition is directly connected to the base station, whereas a device in the NLoS condition is connected to a nearby device located in the LoS condition.As a result, a device in the NLoS condition is equivalently considered to be located in the LoS conditions. Computer simulation concluded that the proposed scheme is very effective in enhancement of area coverage rate.
Keyword (in Japanese) (See Japanese page) 
(in English) smart factory / local 5G / sidelink / LoS / NLoS / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 404, RCS2020-221, pp. 88-93, March 2021.
Paper # RCS2020-221 
Date of Issue 2021-02-24 (RCS) 
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 RCS2020-221

Conference Information
Committee RCS SR SRW  
Conference Date 2021-03-03 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2021-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Conversion of NLoS conditions to LoS conditions using Sidelink in Smart Factory Environments 
Sub Title (in English)  
Keyword(1) smart factory  
Keyword(2) local 5G  
Keyword(3) sidelink  
Keyword(4) LoS  
Keyword(5) NLoS  
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Keyword(8)  
1st Author's Name Akihiro Kubota  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Seiichi Sampei  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Takumi Takahashi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2021-03-04 09:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2020-221 
Volume (vol) vol.120 
Number (no) no.404 
Page pp.88-93 
#Pages 6 
Date of Issue 2021-02-24 (RCS) 

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