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Paper Abstract and Keywords
Presentation 2026-06-11 14:25
A Signal Processing Method for Stabilizing DOA Estimation under Stationary Conditions
Kyosuke Maekawa, Kenji Ikeda (SECOM) AP2026-37
Abstract (in Japanese) (See Japanese page) 
(in English) As security risks such as information leakage have become a significant social issue, identifying the holder of wireless devices has emerged as one of the approaches for mitigation. Conventional techniques for estimating wireless device holders suffer from a fundamental limitation in practical effectiveness, as their estimation accuracy significantly degrades in environments with strong multipath reflections, particularly when the holder is stationary. In this study, we propose an approach that removes the conventional assumption that the power of each incoming path is known in advance, which has been a bottleneck for practical performance, thereby achieving improved effectiveness in wireless device holder estimation.
Keyword (in Japanese) (See Japanese page) 
(in English) Direction-of-Arrival Estimation / Multipath Propagation / Radio Wave Propagation / Wireless Localization / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 70, AP2026-37, pp. 18-23, June 2026.
Paper # AP2026-37 
Date of Issue 2026-06-04 (AP) 
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 AP2026-37

Conference Information
Committee AP  
Conference Date 2026-06-11 - 2026-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2026-06-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Signal Processing Method for Stabilizing DOA Estimation under Stationary Conditions 
Sub Title (in English)  
Keyword(1) Direction-of-Arrival Estimation  
Keyword(2) Multipath Propagation  
Keyword(3) Radio Wave Propagation  
Keyword(4) Wireless Localization  
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1st Author's Name Kyosuke Maekawa  
1st Author's Affiliation SECOM Co., Ltd., Japan (SECOM)
2nd Author's Name Kenji Ikeda  
2nd Author's Affiliation SECOM Co., Ltd., Japan (SECOM)
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Speaker Author-1 
Date Time 2026-06-11 14:25:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2026-37 
Volume (vol) vol.126 
Number (no) no.70 
Page pp.18-23 
#Pages 6 
Date of Issue 2026-06-04 (AP) 

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