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Paper Abstract and Keywords
Presentation 2022-01-21 14:30
Study on Source Location Estimation Method Using UAV and Optimization of UAV Placement
Shun Takase, Kentaro Nishimori (Niigata Univ.), Takahiro Matsuda (Metropolitan Univ.) AP2021-153
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the wireless communication systems has been increasing.
This has led to the problem of interference between systems and scarcity of frequency resources.
Due to the fact that the frequency resources are not used all the time, it is being considered to temporally and spatially share the resources with secondary systems in order to improving the frequency resource utilization.
In order to use the secondary system without affecting the primary system, it is necessary to estimate the source location of the unknown primary system.
Conventional techniques to estimate the location are difficult to estimate due to multipath and propagation loss caused by buildings.
We have been studying on estimating the source location based on Direction of Arrivals (DoAs) obtained by unmanned aerial vehicles (UAVs) equipped with an array antenna.
The use of UAVs allows for flexible antenna placement and the possible movement of antennas to locations where estimation is advantageous.
In this paper, we report the estimation results of the K-factor when used for the placement of UAVs.
Evaluate the K-factor-based placement method considering the actual movement of UAVs.
Computer simulations will be used to evaluate the effectiveness of the K-factor-based placement method.
Keyword (in Japanese) (See Japanese page) 
(in English) Unmanned aerial vehicle / Source location estimation / Frequency common utilization / K-Factor / ISTA / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 330, AP2021-153, pp. 104-109, Jan. 2022.
Paper # AP2021-153 
Date of Issue 2022-01-13 (AP) 
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 AP2021-153

Conference Information
Committee AP WPT  
Conference Date 2022-01-20 - 2022-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Kenmin-Fureai-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio propagation, Wireless transmission technology, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-01-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Source Location Estimation Method Using UAV and Optimization of UAV Placement 
Sub Title (in English)  
Keyword(1) Unmanned aerial vehicle  
Keyword(2) Source location estimation  
Keyword(3) Frequency common utilization  
Keyword(4) K-Factor  
Keyword(5) ISTA  
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Keyword(7)  
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1st Author's Name Shun Takase  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Kentaro Nishimori  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Takahiro Matsuda  
3rd Author's Affiliation Tokyo Metropolitan University (Metropolitan Univ.)
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Speaker Author-1 
Date Time 2022-01-21 14:30:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2021-153 
Volume (vol) vol.121 
Number (no) no.330 
Page pp.104-109 
#Pages 6 
Date of Issue 2022-01-13 (AP) 

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