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Paper Abstract and Keywords
Presentation 2022-10-06 16:55
A study on Site Diversity Effect between Different Satellites using Rain Attenuation Characteristics of Ku-band Satellite Communication Links
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT) SAT2022-48
Abstract (in Japanese) (See Japanese page) 
(in English) The signal levels of Ku-band BS broadcast radio waves and JCSAT-5A beacon radio waves have been simultaneously measured at Osaka Electro-Communication University (OECU, Neyagawa City, Osaka Prefecture), NTT Yokosuka R&D Center (Yokosuka City), and satellite base station (Matsuyama City), respectively, at 1 min interval from April to July, 2022. The time difference in rain attenuation occurrence and the site diversity effect are examined among these three stations with relatively long distances of about 300 km to 700 km between eastern and western areas of Japan. As regards about 40 rainfall events measured during this period, rain attenuation occurred in the order of Matsuyama City, Neyagawa City, and Yokosuka City, from west to east with a time difference of about 3 to 5 hours. In addition, the site diversity effects are numerically evaluated using the rain attenuation measured at the three stations during the four-month period, and shown to considerably agree with the ITU-R recommendations in the time percentage of 0.5% over the relatively long distances.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite communications / Rain attenuation / Ku-band / Sate diversity / Long distance / ITU-R recommendations / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 199, SAT2022-48, pp. 20-24, Oct. 2022.
Paper # SAT2022-48 
Date of Issue 2022-09-29 (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)
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Conference Information
Committee SAT KOSST  
Conference Date 2022-10-06 - 2022-10-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SAT 
Conference Code 2022-10-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 Site Diversity Effect between Different Satellites using Rain Attenuation Characteristics of Ku-band Satellite Communication Links 
Sub Title (in English)  
Keyword(1) Satellite communications  
Keyword(2) Rain attenuation  
Keyword(3) Ku-band  
Keyword(4) Sate diversity  
Keyword(5) Long distance  
Keyword(6) ITU-R recommendations  
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 Koichi Harada  
2nd Author's Affiliation NTT Access Network System Laboratories (NTT)
3rd Author's Name Junichi Abe  
3rd Author's Affiliation NTT Access Network System Laboratories (NTT)
4th Author's Name Fumihiro Yamashita  
4th Author's Affiliation NTT Access Network System Laboratories (NTT)
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Speaker Author-1 
Date Time 2022-10-06 16:55:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2022-48 
Volume (vol) vol.122 
Number (no) no.199 
Page pp.20-24 
#Pages 5 
Date of Issue 2022-09-29 (SAT) 

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