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| 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 |
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| 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) | |
| Download PDF | WIT2017-61 |
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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 |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 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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