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Paper Abstract and Keywords
Presentation 2017-12-07 14:50
BLE beacon-based dynamic controls for guidance systems used by the visually-impaired
Takumi Nakazawa (Niigata Univ.), Daisuke Wakatsuki, Makoto Kobayashi (Tsukuba Univ of Technology), Kentaro Nishimori, Yoshinobu Maeda, Hideo Makino (Niigata Univ.) WIT2017-61
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a method of dynamically controlling BLE beacons, and an indoor BLE beacon-based guidance system that holds the promise of truly-accurate geographical positioning. RSSI (Received Signal Strength Indication) is the means by which mobile phones estimate distances to all beacons within range. Some degree of positioning error occurs naturally, however, as the result of microwave reflection and scattering. So we propose a method of dynamically controlling BLE beacons’ transmission intervals, for the purpose of improving BLE-beacon identification. In experiments assisted by a volunteer “pedestrian”, we confirmed both the scheduled time control of the BLE beacons and the speech-guidance assisted by the sequentially-switched BLE beacons. In an upcoming work, we will use NTPs (network time protocols) for each BLE beacon’s time control.
Keyword (in Japanese) (See Japanese page) 
(in English) BLE / RSSI / Dynamic control / Speech guidance / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 337, WIT2017-61, pp. 121-126, Dec. 2017.
Paper # WIT2017-61 
Date of Issue 2017-11-29 (WIT) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee WIT HI-SIGACI  
Conference Date 2017-12-06 - 2017-12-07 
Place (in Japanese) (See Japanese page) 
Place (in English) AIST Tokyo Waterfront 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Well-being Information Technology 
Paper Information
Registration To WIT 
Conference Code 2017-12-WIT-SIGACI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) BLE beacon-based dynamic controls for guidance systems used by the visually-impaired 
Sub Title (in English)  
Keyword(1) BLE  
Keyword(2) RSSI  
Keyword(3) Dynamic control  
Keyword(4) Speech guidance  
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1st Author's Name Takumi Nakazawa  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Daisuke Wakatsuki  
2nd Author's Affiliation Tsukuba University of Technology (Tsukuba Univ of Technology)
3rd Author's Name Makoto Kobayashi  
3rd Author's Affiliation Tsukuba University of Technology (Tsukuba Univ of Technology)
4th Author's Name Kentaro Nishimori  
4th Author's Affiliation Niigata University (Niigata Univ.)
5th Author's Name Yoshinobu Maeda  
5th Author's Affiliation Niigata University (Niigata Univ.)
6th Author's Name Hideo Makino  
6th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2017-12-07 14:50:00 
Presentation Time 25 minutes 
Registration for WIT 
Paper # WIT2017-61 
Volume (vol) vol.117 
Number (no) no.337 
Page pp.121-126 
#Pages 6 
Date of Issue 2017-11-29 (WIT) 

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