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Paper Abstract and Keywords
Presentation 2023-03-03 15:20
A Study on Fresh Data Collections Considering Base Station Coverage in UAV-Assisted Sensor Networks
Kenta Mori, Hiroyuki Yomo (Kansai Univ.) NS2022-250
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, WPSNs (Wireless Powered Sensor Networks), which wirelessly transfers energy to sensor nodes to eliminate the need of battery replacement, have attracted attention. In this paper, we focus on realtime monitoring employing UAV（Unmanned Aerial Vehicle）assisted wireless sensor networks, where equipment for data collections and energy transfer are installed on a UAV. In particular, assuming an environment where a UAV collects sensing data from sensor nodes and transmits them to adjacent base stations, we consider the UAV flight path optimization problem to improve the freshness of collected sensing data. In the flight path selection assuming the limited communication range of each base station, it is necessary to consider the impact of the priority of data collections by the UAV, priority of data transmissions to base stations, and the amount of energy acquired by each sensor node on the information freshness measured by AoI (Age of Information).
Therefore, in this paper, we derive the flight path suppressing the average AoI of each node by using DQN (Deep Q Network), and evaluate its effectiveness by computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) AoI / Wireless sensor networks / Wireless power transfer / UAV / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 406, NS2022-250, pp. 475-480, March 2023.
Paper # NS2022-250 
Date of Issue 2023-02-23 (NS) 
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 NS2022-250

Conference Information
Committee IN NS  
Conference Date 2023-03-02 - 2023-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Centre + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2023-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Fresh Data Collections Considering Base Station Coverage in UAV-Assisted Sensor Networks 
Sub Title (in English)  
Keyword(1) AoI  
Keyword(2) Wireless sensor networks  
Keyword(3) Wireless power transfer  
Keyword(4) UAV  
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1st Author's Name Kenta Mori  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Hiroyuki Yomo  
2nd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2023-03-03 15:20:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2022-250 
Volume (vol) vol.122 
Number (no) no.406 
Page pp.475-480 
#Pages 6 
Date of Issue 2023-02-23 (NS) 

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