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Paper Abstract and Keywords
Presentation 2017-08-17 10:50
Evaluation of Flight Route for Unmanned Aerial Vehicle based User Position Detection Method using Positioning Accuracy Index
Hiroyasu Ishikawa (Nihon Univ.) SAT2017-21
Abstract (in Japanese) (See Japanese page) 
(in English) In the typical unmanned aircraft system (UAS) model, several numbers of unmanned aerial vehicle (UAV) with the velocity of 40 to 100 km/h and the altitude of 150 to 1,000 meters shall be applied to the provision of wide service coverage. Therefore, Doppler shifts are produced in the carrier frequency by a change in line-of-sight velocity between the UAV and the terrestrial terminal. By observing multiple Doppler shift values for different UAVs, it is possible to detect the position of the user. In order to evaluate the accuracy of the position detection method using multiple UAVs, we have been conducted computer simulations under several types of flight models. From the simulation results and Doppler frequency distributions, it was confirmed that the positioning accuracy depends on the number of UAVs, location of UAVs, and other setting parameters for UAVs.
In this study, cosine value of inner product between multiple gradient vectors of the hyperboloid surface at arbitrary point in the evaluation target area is applied as the positioning accuracy index in order to evaluate and clarify an influence of constellation and initial arrangement of 2 UAVs that flying in parallel route. Further, comparison of simulation results and the positioning accuracy index are conducted by computer simulation and numerical analysis so as to confirm the feasibility of proposed index.
Keyword (in Japanese) (See Japanese page) 
(in English) Unmanned Aerial Vehicle / Doppler Shift / Positioning Accuracy Index / Parallel Flight Route / Gradient Vector / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 174, SAT2017-21, pp. 7-12, Aug. 2017.
Paper # SAT2017-21 
Date of Issue 2017-08-10 (SAT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 SAT2017-21

Conference Information
Committee RCS SAT  
Conference Date 2017-08-17 - 2017-08-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. 
Paper Information
Registration To SAT 
Conference Code 2017-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Flight Route for Unmanned Aerial Vehicle based User Position Detection Method using Positioning Accuracy Index 
Sub Title (in English)  
Keyword(1) Unmanned Aerial Vehicle  
Keyword(2) Doppler Shift  
Keyword(3) Positioning Accuracy Index  
Keyword(4) Parallel Flight Route  
Keyword(5) Gradient Vector  
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1st Author's Name Hiroyasu Ishikawa  
1st Author's Affiliation Nihon Univaersity (Nihon Univ.)
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Speaker
Date Time 2017-08-17 10:50:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2017-21 
Volume (vol) IEICE-117 
Number (no) no.174 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-SAT-2017-08-10 


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