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Paper Abstract and Keywords
Presentation 2019-06-19 11:20
A study on accurate indoor localization in many NLOS sensor environments
Keigo Ishida, Eiji Okamoto (NIT) RCS2019-47
Abstract (in Japanese) (See Japanese page) 
(in English) Many factories are getting automated, and automated guided vehicles (AGV) have been utilized, where the indoor position information is getting more and more important. One of the problems of the indoor localization is the severe accuracy degradation under non-line-of-sight (NLOS) environments in which a direct radio-wave path between a target and a sensor is blocked by obstacles. To tackle this problem, the combination of NLOS identification scheme using the variance of range estimation and the iterative minimum residual (IMR) scheme which identifies NLOS sensors using all sensors is proposed. However, the estimation performance is still degraded when the number of NLOS sensors increases. Therefore, in this paper, we propose a robust indoor localization scheme in terms of the increase of NLOS sensors that detects and eliminates the NLOS sensors more accurately. The performance of the proposed scheme is evaluated through numerical simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) indoor localization / factory automation / NLOS / TOA / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 90, RCS2019-47, pp. 61-66, June 2019.
Paper # RCS2019-47 
Date of Issue 2019-06-12 (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 2019-06-19 - 2019-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima Hirara Port Terminal Building 
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 2019-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on accurate indoor localization in many NLOS sensor environments 
Sub Title (in English)  
Keyword(1) indoor localization  
Keyword(2) factory automation  
Keyword(3) NLOS  
Keyword(4) TOA  
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1st Author's Name Keigo Ishida  
1st Author's Affiliation Nagoya Institute of Technology (NIT)
2nd Author's Name Eiji Okamoto  
2nd Author's Affiliation Nagoya Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2019-06-19 11:20:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2019-47 
Volume (vol) vol.119 
Number (no) no.90 
Page pp.61-66 
#Pages
Date of Issue 2019-06-12 (RCS) 


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