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| Presentation | 2021-05-10 11:20 Extensions of Indoor Localization System Using IEEE802.15.4 Protocol for Multiple Users Kazushi Hamazaki, Pradini Puspitaningayu, Nobuo Hunabiki, Minoru Kuribayashi (Okayama Univ)  LOIS2021-3 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For the low-cost, small-size, and long-life system, we have developed the fingerprint-based indoor localization system (FB-ILS) using the IEEE802.15.4 protocol that has been used for low-speed short-range wireless communications. By limiting the detection resolution to one room, this FB-ILS system is intended to achieve the high accuracy. The current FB-ILS can detect only one user location using one transmitter. However, it is necessary to detect the locations of multiple users at the same time. In this study, we extend the FB-ILS to afford multiple transmitters, by 1) extending the room detection program in the system, 2) reducing packet losses due to the contentions among the packets from multiple transmitters at each receiver, and 3) avoiding misdetections due to the signal fluctuations caused by the interferences between multiple radio signals from multiple transmitters. For evaluations, we implemented the extended testbed system, and conducted experiments using up to 10 transmitters at the third floor of #2 Engineering Building in Okayama University. The results confirm the effectives of the extended system | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | indoor localization system / IEEE802.15.4 / multiple users / packet loss / interference / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 12, LOIS2021-3, pp. 13-18, May 2021. | |
| Paper # | LOIS2021-3 | |
| Date of Issue | 2021-05-03 (LOIS) | |
| 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 | LOIS2021-3 |
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| Conference Information | |
| Committee | LOIS IPSJ-SPT IPSJ-CN |
| Conference Date | 2021-05-10 - 2021-05-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LOIS |
| Conference Code | 2021-05-LOIS-SPT-GN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Extensions of Indoor Localization System Using IEEE802.15.4 Protocol for Multiple Users |
| Sub Title (in English) | |
| Keyword(1) | indoor localization system |
| Keyword(2) | IEEE802.15.4 |
| Keyword(3) | multiple users |
| Keyword(4) | packet loss |
| Keyword(5) | interference |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazushi Hamazaki |
| 1st Author's Affiliation | Okayama University (Okayama Univ) |
| 2nd Author's Name | Pradini Puspitaningayu |
| 2nd Author's Affiliation | Okayama University (Okayama Univ) |
| 3rd Author's Name | Nobuo Hunabiki |
| 3rd Author's Affiliation | Okayama University (Okayama Univ) |
| 4th Author's Name | Minoru Kuribayashi |
| 4th Author's Affiliation | Okayama University (Okayama Univ) |
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| Speaker | Author-1 |
| Date Time | 2021-05-10 11:20:00 |
| Presentation Time | 25 minutes |
| Registration for | LOIS |
| Paper # | LOIS2021-3 |
| Volume (vol) | vol.121 |
| Number (no) | no.12 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2021-05-03 (LOIS) |
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