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Paper Abstract and Keywords
Presentation 2022-02-22 13:30
A Study on Performance Improvement of Target Positioning based on Multilateration
Eichi Morita, Hiroyuki Hatano, Kosuke Sanada, Kazuo Mori (Mie Univ.), Asuka Tsujii, Takashi Kasashima (NGK SPARK PLUG), Takaya Yamazato (Nagoya Univ.) ITS2021-59 IE2021-68
Abstract (in Japanese) (See Japanese page) 
(in English) We focus on a target position estimation algorithm to detect targets by using an ultrasonic sensor array equipped in front of a vehicle. Conventional method estimates target positions probabilistically by using multilateration based on target existence probability. However, the conventional multilateration has a problem that causes estimation error in the direction of the arc drawn by the measuring sensors in case of measuring by using a biased sensors layout such as one side observation. Therefore, we propose novel position estimation applying a weighting function based on TDOA (Time Difference of Arrival) value to the conventional method. The effectiveness of the proposed method is confirmed through numerical examples by computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Ultrasonic sensor / Multilateration / Target detection / TDOA (Time Difference of Arrival) / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 373, ITS2021-59, pp. 202-207, Feb. 2022.
Paper # ITS2021-59 
Date of Issue 2022-02-14 (ITS, IE) 
ISSN Print edition: ISSN 0913-5685  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 ITS2021-59 IE2021-68

Conference Information
Conference Date 2022-02-21 - 2022-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Processing, etc. 
Paper Information
Registration To ITS 
Conference Code 2022-02-IE-ITS-AIT-ME-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Performance Improvement of Target Positioning based on Multilateration 
Sub Title (in English)  
Keyword(1) Ultrasonic sensor  
Keyword(2) Multilateration  
Keyword(3) Target detection  
Keyword(4) TDOA (Time Difference of Arrival)  
1st Author's Name Eichi Morita  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Hiroyuki Hatano  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Kosuke Sanada  
3rd Author's Affiliation Mie University (Mie Univ.)
4th Author's Name Kazuo Mori  
4th Author's Affiliation Mie University (Mie Univ.)
5th Author's Name Asuka Tsujii  
5th Author's Affiliation NGK SPARK PLUG CO., LTD. (NGK SPARK PLUG)
6th Author's Name Takashi Kasashima  
6th Author's Affiliation NGK SPARK PLUG CO., LTD. (NGK SPARK PLUG)
7th Author's Name Takaya Yamazato  
7th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2022-02-22 13:30:00 
Presentation Time 15 minutes 
Registration for ITS 
Paper # ITS2021-59, IE2021-68 
Volume (vol) vol.121 
Number (no) no.373(ITS), no.374(IE) 
Page pp.202-207 
Date of Issue 2022-02-14 (ITS, IE) 

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