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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.)
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. ITE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2022-02-21 - 2022-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) online 
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Topics (in English)  
Paper Information
Registration To IEICE-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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Date Time 2022-02-22 13:30:00 
Presentation Time 15 
Registration for IEICE-ITS 
Paper #  
Volume (vol) ITE-46 
Number (no)  
#Pages ITE- 
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