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| 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 |
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| 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. |
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| 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 |
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| 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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