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| Presentation | 2022-07-25 10:55 [Poster Presentation] A Study on Multipath Mitigation Method in UWB Indoor Navigation Ayato Nagaji, Tetsushi Ikegami (Meiji Univ)  WBS2022-23 MICT2022-23 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we proposed and compared methods to reduce positioning error due to multipath in ToA (Time of Arrival) positioning using IR-UWB (Impulse Radio Ultra Wide Band). First, it is assumed that the path length of reflected waves from walls and floors is longer than that of direct waves, and that the ranging error due to multipath is larger than the true value. Therefore, we thought that by taking the envelope from below for the time-series ranging data at each sensor, we could adopt only the values close to the true value while avoiding the values with errors. As a result, positioning errors of several meters were improved to several tens of centimeters. The above was also done using computer simulation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | UWB / ToA / cross-correlation / envelope / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 131, WBS2022-23, pp. 36-40, July 2022. | |
| Paper # | WBS2022-23 | |
| Date of Issue | 2022-07-18 (WBS, MICT) | |
| 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 | WBS2022-23 MICT2022-23 |
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| Conference Information | |
| Committee | MICT WBS |
| Conference Date | 2022-07-25 - 2022-07-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okayama Prefectural University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wideband System, Healthcare and Medical Information Communication Technologies, Student Poster Session, etc. |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2022-07-MICT-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Multipath Mitigation Method in UWB Indoor Navigation |
| Sub Title (in English) | |
| Keyword(1) | UWB |
| Keyword(2) | ToA |
| Keyword(3) | cross-correlation |
| Keyword(4) | envelope |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Ayato Nagaji |
| 1st Author's Affiliation | Meiji University (Meiji Univ) |
| 2nd Author's Name | Tetsushi Ikegami |
| 2nd Author's Affiliation | Meiji University (Meiji Univ) |
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| Speaker | Author-1 |
| Date Time | 2022-07-25 10:55:00 |
| Presentation Time | 75 minutes |
| Registration for | WBS |
| Paper # | WBS2022-23, MICT2022-23 |
| Volume (vol) | vol.122 |
| Number (no) | no.131(WBS), no.132(MICT) |
| Page | pp.36-40 |
| #Pages | 5 |
| Date of Issue | 2022-07-18 (WBS, MICT) |
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