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Paper Abstract and Keywords
Presentation 2025-01-29 10:20
A study on improving noise immunity in localization method using BLE
Takanori Iwamatsu, Tomohisa Kosugi, Kazuhiro Suzuki (Life Labo) IT2024-34 SIP2024-73 RCS2024-217
Abstract (in Japanese) (See Japanese page) 
(in English) When residents of nursing homes or similar facilities leave their premises, there is a demand for accurate localization of residents using BLE technology. However, wireless communications like BLE face challenges such as CNR degradation with distance ,which hinders precise localization. To increase the distance of localization and facilitate resident identification, it is necessary to improve noise immunity. In localization of BLE5.1 using an array antenna, phase detection of antenna elements is typically performed every 1 µs or 2 µs. We propose extending this period and improving noise immunity by averaging the detected signals. The effectiveness of the proposed approach will be demonstrated through computer simulations and validated through field experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Bluetooth / BLE / nursing facilities / localization / AoA / AoD / 円形アレー /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 366, RCS2024-217, pp. 49-54, Jan. 2025.
Paper # RCS2024-217 
Date of Issue 2025-01-22 (IT, SIP, RCS) 
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 IT2024-34 SIP2024-73 RCS2024-217

Conference Information
Committee RCS SIP IT  
Conference Date 2025-01-29 - 2025-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kaikyou-messe 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Communications, Learning, Mathematics, Information Theory, etc. 
Paper Information
Registration To RCS 
Conference Code 2025-01-RCS-SIP-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on improving noise immunity in localization method using BLE 
Sub Title (in English)  
Keyword(1) Bluetooth  
Keyword(2) BLE  
Keyword(3) nursing facilities  
Keyword(4) localization  
Keyword(5) AoA  
Keyword(6) AoD  
Keyword(7) 円形アレー  
Keyword(8)  
1st Author's Name Takanori Iwamatsu  
1st Author's Affiliation Life Laboratory (Life Labo)
2nd Author's Name Tomohisa Kosugi  
2nd Author's Affiliation Life Laboratory (Life Labo)
3rd Author's Name Kazuhiro Suzuki  
3rd Author's Affiliation Life Laboratory (Life Labo)
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Speaker Author-1 
Date Time 2025-01-29 10:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2024-34, SIP2024-73, RCS2024-217 
Volume (vol) vol.124 
Number (no) no.364(IT), no.365(SIP), no.366(RCS) 
Page pp.49-54 
#Pages 6 
Date of Issue 2025-01-22 (IT, SIP, RCS) 

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