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Paper Abstract and Keywords
Presentation 2026-06-22 10:00
Dynamic sensor pairing for target tracking under time-difference-of-arrival measurements
Ryosuke Ikura, Junya Hara (UOsaka), Hiroshi Higashi (KU), Yuichi Tanaka (UOsaka) SIP2026-1 BioX2026-1 IE2026-1 MI2026-1
Abstract (in Japanese) (See Japanese page) 
(in English) We study a sensor pairing method for online target tracking based on time-difference-of-arrival~(TDOA) measurements through a sensor network.
Existing static pairing designs aim to improve the average localization accuracy over the entire region.
In online tracking, however, changing the pairing to the local neighborhood of the current target estimate is beneficial.
The proposed dynamic sensor-pairing method selects $K$ pairs at each time step in an $N$-node sensor network ($K ll binom{N}{2}$).
Sensor pairs are selected to minimize tracking uncertainty while satisfying communication constraints.
The resulting problem is formulated as a convex optimization and efficiently solved via a primal-dual splitting algorithm.
The selected pairs are then used with an existing TDOA position estimation algorithm.
Simulation results under both uniform and distance-dependent noise models demonstrate that the proposed method achieves lower tracking RMSEs than baseline methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Target tracking / Sensor network / Time difference of arrival / Sensor pairing / Convex optimization / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 83, SIP2026-1, pp. 1-6, June 2026.
Paper # SIP2026-1 
Date of Issue 2026-06-15 (SIP, BioX, IE, MI) 
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 SIP2026-1 BioX2026-1 IE2026-1 MI2026-1

Conference Information
Committee ITE-IST ITE-ME IE BioX SIP MI  
Conference Date 2026-06-22 - 2026-06-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2026-06-IST-ME-IE-BioX-SIP-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dynamic sensor pairing for target tracking under time-difference-of-arrival measurements 
Sub Title (in English)  
Keyword(1) Target tracking  
Keyword(2) Sensor network  
Keyword(3) Time difference of arrival  
Keyword(4) Sensor pairing  
Keyword(5) Convex optimization  
Keyword(6)  
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1st Author's Name Ryosuke Ikura  
1st Author's Affiliation The university of Osaka (UOsaka)
2nd Author's Name Junya Hara  
2nd Author's Affiliation The university of Osaka (UOsaka)
3rd Author's Name Hiroshi Higashi  
3rd Author's Affiliation Kansai university (KU)
4th Author's Name Yuichi Tanaka  
4th Author's Affiliation The university of Osaka (UOsaka)
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Speaker Author-1 
Date Time 2026-06-22 10:00:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # SIP2026-1, BioX2026-1, IE2026-1, MI2026-1 
Volume (vol) vol.126 
Number (no) no.83(SIP), no.84(BioX), no.85(IE), no.86(MI) 
Page pp.1-6 
#Pages 6 
Date of Issue 2026-06-15 (SIP, BioX, IE, MI) 

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