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Paper Abstract and Keywords
Presentation 2019-10-10 18:00
[Special Talk] R&D activity of flexible payload technologies for next generation High Throughput Satellite by the Engineering Test Satellite 9 Project
Amane Miura, Mitsugu Okawa (NICT), Eiichi Sakai, Yoshio Inasawa (Mitsubishi Electric) SAT2019-55
Abstract (in Japanese) (See Japanese page) 
(in English) The Engineering Test Satellite 9 aims to verify the large capacity technology by Ka-band/optical communications and the technology to enhance the flexibility by digital payload to establish communications technologies for next generation High Throughput Satellite (HTS). This paper introduces the R&D activity of the flexible payload technology toward the Engineering Test Satellite 9 such as the multi-beam, digital channelizer, and digital beam former (DBF). Typical HTS employs Ka-band or higher frequency band to maintain wide bandwidth and employs hundreds of multiple beams to realize large capacity in order to reduce cost per bit. Technological challenge for the conventional HTS is that it does not properly accommodate changing traffic demand during operation since communications capacity for each beam is fixed. Flexible payload technology is expected to solve the technological challenge and efficiently utilize the communications resource. In the Engineering Test Satellite 9 project, technologies for multi-beam, digital channelizer for frequency flexibility and DBF for location flexibility are defined as the target technologies. Toward application to Ka-band HTS, the establishment of the miniaturization and integration of the multi-beam feeder unit, wide-band performance of digital channelizer and DBF are defined as the main development goals. To this end, the R&Ds and the development of payloads toward in-orbit verification by the Engineering Test Satellite 9 are in progress.
Keyword (in Japanese) (See Japanese page) 
(in English) High Throughput Satellite / Ka band / Flexible Payload / Engineering Test Satellite 9 / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 220, SAT2019-55, pp. 47-50, Oct. 2019.
Paper # SAT2019-55 
Date of Issue 2019-10-03 (SAT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SAT2019-55

Conference Information
Committee SAT  
Conference Date 2019-10-10 - 2019-10-11 
Place (in Japanese) (See Japanese page) 
Place (in English) JR HAKATA CITY {10F RoomA+B} 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SAT 
Conference Code 2019-10-SAT 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) R&D activity of flexible payload technologies for next generation High Throughput Satellite by the Engineering Test Satellite 9 Project 
Sub Title (in English)  
Keyword(1) High Throughput Satellite  
Keyword(2) Ka band  
Keyword(3) Flexible Payload  
Keyword(4) Engineering Test Satellite 9  
1st Author's Name Amane Miura  
1st Author's Affiliation National Institute of Communications and Information Technology (NICT)
2nd Author's Name Mitsugu Okawa  
2nd Author's Affiliation National Institute of Communications and Information Technology (NICT)
3rd Author's Name Eiichi Sakai  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Yoshio Inasawa  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Date Time 2019-10-10 18:00:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2019-55 
Volume (vol) IEICE-119 
Number (no) no.220 
Page pp.47-50 
#Pages IEICE-4 
Date of Issue IEICE-SAT-2019-10-03 

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