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Paper Abstract and Keywords
Presentation 2026-10-29 12:55
[Invited Talk] A Study on Recent Increasing Trends in Rain Attenuation Statistics of Ku-Band Satellite Communications Links and Their Meteorological Factors
Yasuyuki Maekawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2026-50
Abstract (in Japanese) (See Japanese page) 
(in English) Using Ku-band BS radio wave signal levels measured at Osaka Electro-Communication University (OECU, Neyagawa, Osaka) from 1988 to 2025, we have investigated the increasing trend in rain attenuation statistics associated with recent climate warming, in relation to rainfall types such as cold, warm, and stationary fronts along with typhoons and showers, and divided into rainy seasons such Baiu and Akisame periods. The results show that the increase in rain attenuation statistics since 2007 is more influenced by the rainfall due to typhoon and shower than the rainfall due to fronts such as warm and cold fronts. Furthermore, the influence of convective rainfall mainly occurring on the south side of stationary fronts is also significant, indicating that these effects of tropical type rainfall, mainly occurring in summer due to global warming, is the main factor of the recent increasing trend in rain attenuation statistics.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite communications / Ka band / Ku band / Rain attenuation / Rainfall / Rainy season / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 213, SAT2026-50, pp. 1-6, Oct. 2026.
Paper # SAT2026-50 
Date of Issue 2026-10-22 (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 SAT2026-50

Conference Information
Committee SAT KOSST  
Conference Date 2026-10-29 - 2026-10-30 
Place (in Japanese) (See Japanese page) 
Place (in English) OSTEC 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite communication technology, etc. (JC-SAT 2026 co-hosted by IEICE and KOSST) 
Paper Information
Registration To SAT 
Conference Code 2026-10-SAT-KOSST 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Recent Increasing Trends in Rain Attenuation Statistics of Ku-Band Satellite Communications Links and Their Meteorological Factors 
Sub Title (in English)  
Keyword(1) Satellite communications  
Keyword(2) Ka band  
Keyword(3) Ku band  
Keyword(4) Rain attenuation  
Keyword(5) Rainfall  
Keyword(6) Rainy season  
Keyword(7)  
Keyword(8)  
1st Author's Name Yasuyuki Maekawa  
1st Author's Affiliation Osaka Electro-Communication University (Osaka Electro-Commun. Univ.)
2nd Author's Name Yoshiaki Shibagaki  
2nd Author's Affiliation Osaka Electro-Communication University (Osaka Electro-Commun. Univ.)
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Speaker Author-1 
Date Time 2026-10-29 12:55:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2026-50 
Volume (vol) vol.126 
Number (no) no.213 
Page pp.1-6 
#Pages 6 
Date of Issue 2026-10-22 (SAT) 

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