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| Presentation | 2023-03-15 16:10 Performance Improvements of Positioning Accuracy Based on Multiple Observations of Doppler shift for User Position Detection System Using Unmanned Aerial Vehicles Taiga Deguchi, Hiroyasu Ishikawa (Nihon Univ.)  IT2022-126 ISEC2022-105 WBS2022-123 RCC2022-123 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A typical Unmanned aircraft system (UAS) employs the unmanned aerial vehicle (UAV) with the velocity of 40 to 100 km/h and the altitude of 150 to 1000 meters. Therefore, Doppler shift occurs in the carrier frequency of the transmitted and received signals between the UAV and the terrestrial terminal. By observing multiple Doppler shift values from different UAVs simultaneously, it is possible to detect the position of a user by using the positional information of UAVs. We have been conducted performance evaluations of positioning accuracy for user position detection method using two UAVs with figure-8 flight model by changing the initial position and the height of the UAVs. Furthermore, performance evaluations of the positioning accuracy for double observations of Doppler-shift at different time was conducted by computer simulations based on the least-square method. The simulation results confirmed that the positioning accuracy is improved by increasing the observation number of Doppler-shift. In this study, multiple observations method of Doppler shift is applied so as to improve the positioning accuracy of position detection method using two UAVs with figure-8 flight model. From the simulation results based on least mean square method which adopts multiple observations of Doppler shift more than three times up to six times, we confirmed that the enhanced method shows good performance compared to the conventional single or double observation methods. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Unmanned aerial vehicle / least-square method / multiple observations of Doppler shift / position determination accuracy / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 429, WBS2022-123, pp. 366-371, March 2023. | |
| Paper # | WBS2022-123 | |
| Date of Issue | 2023-03-07 (IT, ISEC, WBS, RCC) | |
| 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 | IT2022-126 ISEC2022-105 WBS2022-123 RCC2022-123 |
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| Conference Information | |
| Committee | RCC ISEC IT WBS |
| Conference Date | 2023-03-14 - 2023-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2023-03-RCC-ISEC-IT-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Improvements of Positioning Accuracy Based on Multiple Observations of Doppler shift for User Position Detection System Using Unmanned Aerial Vehicles |
| Sub Title (in English) | |
| Keyword(1) | Unmanned aerial vehicle |
| Keyword(2) | least-square method |
| Keyword(3) | multiple observations of Doppler shift |
| Keyword(4) | position determination accuracy |
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| 1st Author's Name | Taiga Deguchi |
| 1st Author's Affiliation | Nihon University (Nihon Univ.) |
| 2nd Author's Name | Hiroyasu Ishikawa |
| 2nd Author's Affiliation | Nihon University (Nihon Univ.) |
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| Speaker | Author-2 |
| Date Time | 2023-03-15 16:10:00 |
| Presentation Time | 25 minutes |
| Registration for | WBS |
| Paper # | IT2022-126, ISEC2022-105, WBS2022-123, RCC2022-123 |
| Volume (vol) | vol.122 |
| Number (no) | no.427(IT), no.428(ISEC), no.429(WBS), no.430(RCC) |
| Page | pp.366-371 |
| #Pages | 6 |
| Date of Issue | 2023-03-07 (IT, ISEC, WBS, RCC) |
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