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| Presentation | 2021-05-10 11:45 A Study of Parameter Optimization Method for Fingerprint-based Indoor Localization System Using IEEE 802.15.4 Devices Yuanzhi Huo, Pradini Puspitaningayu, Kazushi Hamazaki, Nobuo Funabiki, Minoru Kuribayashi (Okayama Univ), Kazuyuki Kojima (Shonan Institute of Technology)  LOIS2021-4 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To achieve the high accuracy while wearing an inexpensive, tiny, and long-life transmitter, we have developed a fingerprint-based indoor localization system. It adopts IEEE802.15.4 devices and restricts the detection granularity to one room in an indoor environment. Unfortunately, wireless signals of the devices often fluctuate due to human movements and other uncontrollable factors. It has been observed that it can be solved by assigning plural fingerprints to one room. However, their values need to be properly selected. In this paper, we study the parameter optimization method for this indoor localization system. An existing parameter optimization tool is employed where the score function is newly defined to estimate the optimality of the current parameters. For evaluations, we apply the method to the measured data using the system in #2 Engineering Building of Okayama University. The results show that the detection accuracy becomes higher than 90% for any room by increasing the number of fingerprints and optimizing the parameter values by the proposal. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | indoor localization / fingerprint / IEEE802.15.4 / parameter optimization / LQI / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 12, LOIS2021-4, pp. 19-24, May 2021. | |
| Paper # | LOIS2021-4 | |
| 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 | LOIS2021-4 |
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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 | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study of Parameter Optimization Method for Fingerprint-based Indoor Localization System Using IEEE 802.15.4 Devices |
| Sub Title (in English) | |
| Keyword(1) | indoor localization |
| Keyword(2) | fingerprint |
| Keyword(3) | IEEE802.15.4 |
| Keyword(4) | parameter optimization |
| Keyword(5) | LQI |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuanzhi Huo |
| 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 | Kazushi Hamazaki |
| 3rd Author's Affiliation | Okayama University (Okayama Univ) |
| 4th Author's Name | Nobuo Funabiki |
| 4th Author's Affiliation | Okayama University (Okayama Univ) |
| 5th Author's Name | Minoru Kuribayashi |
| 5th Author's Affiliation | Okayama University (Okayama Univ) |
| 6th Author's Name | Kazuyuki Kojima |
| 6th Author's Affiliation | Shonan Institute of Technology (Shonan Institute of Technology) |
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| Speaker | Author-1 |
| Date Time | 2021-05-10 11:45:00 |
| Presentation Time | 25 minutes |
| Registration for | LOIS |
| Paper # | LOIS2021-4 |
| Volume (vol) | vol.121 |
| Number (no) | no.12 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2021-05-03 (LOIS) |
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