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Paper Abstract and Keywords
Presentation 2026-02-20 13:15
[Short Paper] Study on Simplifying Pattern Analysis for Large-Scale Array Antennas Using Formation Flying of Multiple Ultra-Small Satellites
Akihiro Tatsuta, Minoru Okada (NAIST) SAT2025-77
Abstract (in Japanese) (See Japanese page) 
(in English) To achieve direct communication between satellites and smartphones, a concept has been proposed in which multiple ultra-small satellites equipped with array antenna elements fly in a dense formation, with the whole functioning as a phased array antenna. In this paper, we analyze the antenna pattern for a planar linear array formed by densely deploying numerous microsatellites. Since electromagnetic field simulations become impractical when the number of antenna elements exceeds several thousand due to the large computational scale, calculations were performed using a simplified analysis method. We compare the results of this simplified analytical method, which derives the antenna pattern from the element pattern and array factor (AF), with those of electromagnetic field simulation, and demonstrate the effectiveness of the simplified analytical method.
Keyword (in Japanese) (See Japanese page) 
(in English) Array antenna / Ultra-small satellites / Formation flying / Sidelobe / thinned array / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 359, SAT2025-77, pp. 81-83, Feb. 2026.
Paper # SAT2025-77 
Date of Issue 2026-02-12 (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 SAT2025-77

Conference Information
Committee SAT SANE  
Conference Date 2026-02-19 - 2026-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Eef-Jouhou-Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Application and General Issues 
Paper Information
Registration To SAT 
Conference Code 2026-02-SAT-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Simplifying Pattern Analysis for Large-Scale Array Antennas Using Formation Flying of Multiple Ultra-Small Satellites 
Sub Title (in English)  
Keyword(1) Array antenna  
Keyword(2) Ultra-small satellites  
Keyword(3) Formation flying  
Keyword(4) Sidelobe  
Keyword(5) thinned array  
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Keyword(7)  
Keyword(8)  
1st Author's Name Akihiro Tatsuta  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Minoru Okada  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2026-02-20 13:15:00 
Presentation Time 15 minutes 
Registration for SAT 
Paper # SAT2025-77 
Volume (vol) vol.125 
Number (no) no.359 
Page pp.81-83 
#Pages 3 
Date of Issue 2026-02-12 (SAT) 

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