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Paper Abstract and Keywords
Presentation 2021-05-20 10:20
Improved Method for Optical Fingerprint Positioning System on VN-CSK Communication
Daisuke Ogawa, Koki Taruishi, Hiromasa Habuchi (Ibaraki Univ.) WBS2021-3 RCC2021-3 SAT2021-3 MICT2021-3
Abstract (in Japanese) (See Japanese page) 
(in English) Indoor visible light communications are required to achieve three functions; dimming control, communications and estimating receiver's position. The VN-CSK(Variable N-parallel Code-Shift-Keying) system with MPSC (Modified Prime Sequence Code), which is one of the optical fingerprint positioning systems, has three functions necessary for illumination optical communications.However, the performance of the system depends on the location where the reference pattern is constructed and the correlation between the reference patterns. Therefore, there is an intrinsic limit value in the positioning performance. In this paper, a new position estimation algorithm, that uses the difference between the reference pattern and the received signal, is proposed. Moreover, the estimation error performance is evaluated by computer simulation through optical wireless room models. In comparison with the conventional system, the proposed system can reduce the error of the estimated position.
Keyword (in Japanese) (See Japanese page) 
(in English) Indoor visible light communications / Indoor positioning / Optical fingerprint method / Modified Prime Sequence Code / Variable N-parallel Code-Shift-Keying / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 24, WBS2021-3, pp. 13-16, May 2021.
Paper # WBS2021-3 
Date of Issue 2021-05-13 (WBS, RCC, SAT, MICT) 
ISSN Online edition: ISSN 2432-6380
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 WBS2021-3 RCC2021-3 SAT2021-3 MICT2021-3

Conference Information
Committee WBS RCC SAT MICT  
Conference Date 2021-05-20 - 2021-05-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online (Zoom) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Coding, Modulation, Signal processing, Reliable Communication and Control, Healthcare and Medical Information Communication Technologies, and General 
Paper Information
Registration To WBS 
Conference Code 2021-05-WBS-RCC-SAT-MICT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved Method for Optical Fingerprint Positioning System on VN-CSK Communication 
Sub Title (in English)  
Keyword(1) Indoor visible light communications  
Keyword(2) Indoor positioning  
Keyword(3) Optical fingerprint method  
Keyword(4) Modified Prime Sequence Code  
Keyword(5) Variable N-parallel Code-Shift-Keying  
1st Author's Name Daisuke Ogawa  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Koki Taruishi  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Hiromasa Habuchi  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2021-05-20 10:20:00 
Presentation Time 25 minutes 
Registration for WBS 
Paper # WBS2021-3, RCC2021-3, SAT2021-3, MICT2021-3 
Volume (vol) vol.121 
Number (no) no.24(WBS), no.25(RCC), no.26(SAT), no.27(MICT) 
Page pp.13-16 
Date of Issue 2021-05-13 (WBS, RCC, SAT, MICT) 

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