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Paper Abstract and Keywords
Presentation 2021-07-28 14:55
Performance Evaluation of user 3D position detection method using 3 unmanned aerial vehicles
Taira Fukaya, Hiroyasu Ishikawa (Nihon Univ.) SAT2021-22
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 or at different times, 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 in 2D for user position detection method using a single UAV or multiple UAVs by changing the initial position and the height of the UAVs under various flight models such as circular flight model and figure-8 flight model.
In this study, performance evaluations of the positioning accuracy for 3D position detection method are conducted by computer simulations based on the least-square method in three UAVs model with circularly orbiting flight in order to compare with the performance of conventional 2D position detection method. The simulation results confirmed that the positioning accuracy of the 3D position detection method is worse than that of the 2D method, and the positioning accuracy of the former method depends on the detection features of the altitude direction. Further, the positioning accuracy of the 3D position detection method can be improved by changing the initial location of the three UAVs in circular flight model.
Keyword (in Japanese) (See Japanese page) 
(in English) Unmanned aerial vehicle / Doppler shift / least-square method / 3D position detection method / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 128, SAT2021-22, pp. 12-17, July 2021.
Paper # SAT2021-22 
Date of Issue 2021-07-21 (SAT) 
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 SAT2021-22

Conference Information
Committee AP SANE SAT  
Conference Date 2021-07-28 - 2021-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To SAT 
Conference Code 2021-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of user 3D position detection method using 3 unmanned aerial vehicles 
Sub Title (in English)  
Keyword(1) Unmanned aerial vehicle  
Keyword(2) Doppler shift  
Keyword(3) least-square method  
Keyword(4) 3D position detection method  
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1st Author's Name Taira Fukaya  
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-1 
Date Time 2021-07-28 14:55:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2021-22 
Volume (vol) vol.121 
Number (no) no.128 
Page pp.12-17 
#Pages 6 
Date of Issue 2021-07-21 (SAT) 

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