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Paper Abstract and Keywords
Presentation 2025-07-23 14:30
Link Selection Method Using Site and Satellite Diversity for Low Latency LEO Constellation Communication Systems
Kazuya Yatame, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Kazushi Sugyo, Yohei Hasegawa, Masayuki Ariyoshi (NEC) SAT2025-16
Abstract (in Japanese) (See Japanese page) 
(in English) For beyond 5G/6G systems, Low Earth Orbit (LEO) satellite constellations are attracting attention for their ability to provide low-latency communication over wide areas, including regions with inadequate infrastructure. On the other hand, LEO constellations face the problem of throughput degradation due to rainfall attenuation in satellite-to-ground communications. Therefore, diversity methods are used to bypass rainfall areas and select flexibly other satellites. However, when applying diversity methods in LEO satellite constellations, it may not be possible to select the link with the minimum signal attenuation. Furthermore, the impact of transmission and queuing delays varies with data size. Therefore, this paper proposes a method to globally optimize the topology by modeling satellite-to-ground links and incorporating these delay times. We have verified in a specific case through a simulation scenario involving data transmission from Tokyo to London.
Keyword (in Japanese) (See Japanese page) 
(in English) Site Diversity / Satellite Diversity / LEO Satellite Constellation / Routing / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 127, SAT2025-16, pp. 23-28, July 2025.
Paper # SAT2025-16 
Date of Issue 2025-07-16 (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 SAT2025-16

Conference Information
Committee AP SANE SAT  
Conference Date 2025-07-23 - 2025-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) hakodate arena 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Subsurface Electromagnetic Measurements, Sattelite Communication, Antennas and Propagation 
Paper Information
Registration To SAT 
Conference Code 2025-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Link Selection Method Using Site and Satellite Diversity for Low Latency LEO Constellation Communication Systems 
Sub Title (in English)  
Keyword(1) Site Diversity  
Keyword(2) Satellite Diversity  
Keyword(3) LEO Satellite Constellation  
Keyword(4) Routing  
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1st Author's Name Kazuya Yatame  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hiroaki Hashida  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yuichi Kawamoto  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Nei Kato  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Kazushi Sugyo  
5th Author's Affiliation NEC Advanced Network Research Laboratories (NEC)
6th Author's Name Yohei Hasegawa  
6th Author's Affiliation NEC Advanced Network Research Laboratories (NEC)
7th Author's Name Masayuki Ariyoshi  
7th Author's Affiliation NEC Advanced Network Research Laboratories (NEC)
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Speaker Author-1 
Date Time 2025-07-23 14:30:00 
Presentation Time 20 minutes 
Registration for SAT 
Paper # SAT2025-16 
Volume (vol) vol.125 
Number (no) no.127 
Page pp.23-28 
#Pages 6 
Date of Issue 2025-07-16 (SAT) 

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