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Paper Abstract and Keywords
Presentation 2026-03-18 10:55
Adaptive Deployment Optimization of UAV Base Stations under User Density Variations
Kohei Konta, Takahiro Matsuda (TMU), Wataru Yamada (NTT) CQ2025-125
Abstract (in Japanese) (See Japanese page) 
(in English) In wireless systems operating in high-frequency bands such as millimeter waves, flexible expansion of the service area in response to traffic fluctuations is required. This paper investigates an air-to-ground (A2G) network in which a large number of UAV base stations are deployed around a fixed ground base station. We consider an integrated network that combines A2G links and air-to-air (A2A) links between UAVs, and examine the optimal placement of UAVs according to the spatial distribution of users. In environments where user terminals are unevenly distributed in space, simulation experiments are conducted to evaluate the user accommodation efficiency achieved by optimizing the deployment of UAV base stations using a genetic algorithm (GA). In addition, the potential of adaptive UAV placement control in response to temporal variations in user density is also discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) UAV base station / air-to-ground network / air-to-air network / optimal deployment / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 409, CQ2025-125, pp. 139-142, March 2026.
Paper # CQ2025-125 
Date of Issue 2026-03-09 (CQ) 
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 CQ2025-125

Conference Information
Committee CQ MVE IMQ IE  
Conference Date 2026-03-16 - 2026-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Sangyoushien-Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2026-03-CQ-MVE-IMQ-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Deployment Optimization of UAV Base Stations under User Density Variations 
Sub Title (in English)  
Keyword(1) UAV base station  
Keyword(2) air-to-ground network  
Keyword(3) air-to-air network  
Keyword(4) optimal deployment  
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1st Author's Name Kohei Konta  
1st Author's Affiliation Tokyo Metropolitan University (TMU)
2nd Author's Name Takahiro Matsuda  
2nd Author's Affiliation Tokyo Metropolitan University (TMU)
3rd Author's Name Wataru Yamada  
3rd Author's Affiliation NTT, Inc. (NTT)
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Speaker Author-1 
Date Time 2026-03-18 10:55:00 
Presentation Time 20 minutes 
Registration for CQ 
Paper # CQ2025-125 
Volume (vol) vol.125 
Number (no) no.409 
Page pp.139-142 
#Pages 4 
Date of Issue 2026-03-09 (CQ) 

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