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Paper Abstract and Keywords
Presentation 2007-07-20 10:30
Initial in-orbit checkout results of beam forming network on Engineering Test Satellite VIII
Yutaka Imaizumi, Yoshinori Suzuki, Kohei Ohata (NTT) SAT2007-16
Abstract (in Japanese) (See Japanese page) 
(in English) The Engineering Test Satellite VIII (ETS-VIII) that was launched on December 18, 2006 was equipped with two large-scale reflector multiple beam antennas (MBAs) radiated by active phased array feeders to establish a communication link with a cellular phone-sized ground terminal via satellite in the S-band frequency. ETS-VIII also equipped with two sets of Beam Forming Network (BFN) that adjust the antenna pattern of the transmitting (TX) and receiving (RX) feeders to form multiple beam. NTT had designed and developed one of the BFN (BFN2) that can form each beam independently. To verify in-orbit status and function of MBA system, NTT has conducted initial in-orbit antenna pattern measurement. As a result, we confirmed the BFN2 and the MBA is in normal status.
Keyword (in Japanese) (See Japanese page) 
(in English) Engineering test satellite VIII / Beam forming network / Initial checkout / Antenna pattern measurement / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 145, SAT2007-16, pp. 23-26, July 2007.
Paper # SAT2007-16 
Date of Issue 2007-07-13 (SAT) 
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 SAT2007-16

Conference Information
Committee AP SAT  
Conference Date 2007-07-19 - 2007-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Daiichi-Takimotokan(Noboribetsu) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, Antennas and Progation, etc. 
Paper Information
Registration To SAT 
Conference Code 2007-07-AP-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Initial in-orbit checkout results of beam forming network on Engineering Test Satellite VIII 
Sub Title (in English) * 
Keyword(1) Engineering test satellite VIII  
Keyword(2) Beam forming network  
Keyword(3) Initial checkout  
Keyword(4) Antenna pattern measurement  
Keyword(5)  
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1st Author's Name Yutaka Imaizumi  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Yoshinori Suzuki  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Kohei Ohata  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2007-07-20 10:30:00 
Presentation Time 20 minutes 
Registration for SAT 
Paper # SAT2007-16 
Volume (vol) vol.107 
Number (no) no.145 
Page pp.23-26 
#Pages 4 
Date of Issue 2007-07-13 (SAT) 

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