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Paper Abstract and Keywords
Presentation 2012-08-31 13:00
Transmission data reduction by coding data acquired at satellites flying in close formation
Haruko Kawahigashi, Kei Suwa, Toshio Wakayama (Mitsubishi Electric) SAT2012-29
Abstract (in Japanese) (See Japanese page) 
(in English) The Synthetic Aperture Radar obtains the information of moving target on the earth surface using MTI (Moving Target Indication) technique, which is a differentiation of the earth surface image data acquired successively, either at two antennas mounted on one satellite, or at two satellites flying in close formation. In the latter case, the differentiation operation is normally applied in the ground station, and each satellite needs to transmit the acquired voluminous data to the ground station independently, consuming broad downlink bandwidths. The earth surface image data acquired at the two satellites have a strong correlation since the static background image data other than the moving targets are essentially the same except for the noise factors. We focus on this fact and claim that the transmission data should be reduced by taking off the redundancy of the two data and sending the differential parts only.
In this paper, we first explain the coding theory discussion related to this redundancy suppression. We discuss source, channel and network coding, and also the Slepian-Wolf theorem for two correlated sources. Then, we propose a coding and compressing scheme for a simplified model. Next, we generalize it to apply to a more realistic model and present a procedure of the proposed scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) Remote Sensing / Network Coding / Synthetic Aperture Radar / Moving Target Indication / Distributed Source Coding / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 191, SAT2012-29, pp. 67-72, Aug. 2012.
Paper # SAT2012-29 
Date of Issue 2012-08-23 (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 SAT2012-29

Conference Information
Committee SAT RCS  
Conference Date 2012-08-30 - 2012-08-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Kochi City Cultura-Plaza CUL-PORT 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. 
Paper Information
Registration To SAT 
Conference Code 2012-08-SAT-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Transmission data reduction by coding data acquired at satellites flying in close formation 
Sub Title (in English)  
Keyword(1) Remote Sensing  
Keyword(2) Network Coding  
Keyword(3) Synthetic Aperture Radar  
Keyword(4) Moving Target Indication  
Keyword(5) Distributed Source Coding  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Haruko Kawahigashi  
1st Author's Affiliation Mitsubishi Electric (Mitsubishi Electric)
2nd Author's Name Kei Suwa  
2nd Author's Affiliation Mitsubishi Electric (Mitsubishi Electric)
3rd Author's Name Toshio Wakayama  
3rd Author's Affiliation Mitsubishi Electric (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2012-08-31 13:00:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2012-29 
Volume (vol) vol.112 
Number (no) no.191 
Page pp.67-72 
#Pages 6 
Date of Issue 2012-08-23 (SAT) 

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