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Paper Abstract and Keywords
Presentation 2010-10-15 14:55
Simulation of Service Availbility for Satellite Broadcasting using 21-GHz band
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Kazuyoshi Shogen (NHK) AP2010-87
Abstract (in Japanese) (See Japanese page) 
(in English) Satellite broadcasting in the 21-GHz band is expected to transmit large-capacity signals. We have been studying rain fading mitigation techniques in order to compensate large amount of rain attenuation. In this paper, we show a method to control the radiation pattern dynamically in accordance with the movement of the rain area assuming array-fed reflector antenna using 61 horns and a reflector with the aperture diameter of 2.2m. Then we compared the number of the outage classified damaged area percentage using dynamically controlled radiation pattern formed by the array-fed reflector antenna with that using static radiation pattern formed by shaped reflector antenna while assuming the same input power to the antenna. We evaluated the effect of radiation power control by the service availability calculated using analyzed rain precipitation during a year.
Keyword (in Japanese) (See Japanese page) 
(in English) Rain Attenuation / Satellite Broadcasting / 21 GHz band / Service Availability / Radiation Power Control / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 223, AP2010-87, pp. 79-84, Oct. 2010.
Paper # AP2010-87 
Date of Issue 2010-10-07 (AP) 
ISSN Print edition: ISSN 0913-5685    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 AP2010-87

Conference Information
Committee AP  
Conference Date 2010-10-14 - 2010-10-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2010-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation of Service Availbility for Satellite Broadcasting using 21-GHz band 
Sub Title (in English)  
Keyword(1) Rain Attenuation  
Keyword(2) Satellite Broadcasting  
Keyword(3) 21 GHz band  
Keyword(4) Service Availability  
Keyword(5) Radiation Power Control  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Susumu Nakazawa  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Masafumi Nagasaka  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Shoji Tanaka  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
4th Author's Name Kazuyoshi Shogen  
4th Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2010-10-15 14:55:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2010-87 
Volume (vol) vol.110 
Number (no) no.223 
Page pp.79-84 
#Pages 6 
Date of Issue 2010-10-07 (AP) 

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