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Paper Abstract and Keywords
Presentation 2026-05-15 09:40
Quantitative Analysis of Aberration and Doppler Shift for Lunar-Earth Optical Communications Considering Visibility Constraints
Kensuke Murakami, Akira Akasaka, Takashi Kan, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Jota Awano, Katsumi Makino (JAXA) SAT2026-8
Abstract (in Japanese) (See Japanese page) 
(in English) In inter-satellite optical communications, relative motion between terminals induces angular misalignment between transmitted and received beams due to light aberration, as well as frequency offsets caused by Doppler shift. As the light aberration increases, the received optical power decreases, leading to degradation in communication quality. In addition, large Doppler shift-induced frequency offsets can hinder signal demodulation, particularly in coherent communication systems. Therefore, quantitative evaluation of these effects is essential for assessing link feasibility and performance. Furthermore, line-of-sight conditions between terminals are indispensable for link establishment. This paper quantitatively investigates light aberration and Doppler shift in Earth–Moon inter-satellite optical communication links while considering visibility constraints.
Keyword (in Japanese) (See Japanese page) 
(in English) Inter-satellite Optical Communication / Light Aberration / Point Ahead / Doppler Shift / Visibility Analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 18, SAT2026-8, pp. 40-45, May 2026.
Paper # SAT2026-8 
Date of Issue 2026-05-07 (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 SAT2026-8

Conference Information
Committee CQ CS SAT  
Conference Date 2026-05-14 - 2026-05-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kushiro Chamber of Commerce & Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SAT 
Conference Code 2026-05-CQ-CS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Quantitative Analysis of Aberration and Doppler Shift for Lunar-Earth Optical Communications Considering Visibility Constraints 
Sub Title (in English)  
Keyword(1) Inter-satellite Optical Communication  
Keyword(2) Light Aberration  
Keyword(3) Point Ahead  
Keyword(4) Doppler Shift  
Keyword(5) Visibility Analysis  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kensuke Murakami  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research)
2nd Author's Name Akira Akasaka  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research)
3rd Author's Name Takashi Kan  
3rd Author's Affiliation KDDI Research, Inc. (KDDI Research)
4th Author's Name Hidenori Takahashi  
4th Author's Affiliation KDDI Research, Inc. (KDDI Research)
5th Author's Name Takehiro Tsuritani  
5th Author's Affiliation KDDI Research, Inc. (KDDI Research)
6th Author's Name Jota Awano  
6th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
7th Author's Name Katsumi Makino  
7th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
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Speaker Author-1 
Date Time 2026-05-15 09:40:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2026-8 
Volume (vol) vol.126 
Number (no) no.18 
Page pp.40-45 
#Pages 6 
Date of Issue 2026-05-07 (SAT) 

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