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| Presentation | 2012-08-31 10:40 Multi-rate LDGM block transmission scheme for satellite laser communications Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT)  SAT2012-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A satellite laser communication, which provides high-speed and high-capacity satellite communications, draws much attention. In the satellite-to-ground laser communication, the laser is affected by some factors such as air scintillation. Therefore, forward error correction (FEC) scheme, efficient for satellite laser communication, is needed to provide high quality communication. We have showed that low-density generator matrix (LDGM) code which is one of the FEC scheme is suitable for satellite laser communication and the multi-rate LDGM transmission scheme with blind code rate estimation enables flexible and rate-efficient data transmission in the low earth orbit (LEO)-to-ground laser communication. However, this multi-rate scheme causes a few rate estimation errors in the burst erasure channel and more accurate estimation is needed to avoid the synchronization loss of information data caused by multi-rate mismatching. In this paper, we propose a new multi-rate block transmission scheme and its accurate rate estimation algorithm. We also show the improved performances of rate-estimation and its calculation complexity at the decoder from numerical results. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | satellite laser communications / multi-rate transmission / rate estimation / LDGM codes / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 191, SAT2012-27, pp. 55-60, Aug. 2012. | |
| Paper # | SAT2012-27 | |
| 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 | SAT2012-27 |
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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 | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Multi-rate LDGM block transmission scheme for satellite laser communications |
| Sub Title (in English) | |
| Keyword(1) | satellite laser communications |
| Keyword(2) | multi-rate transmission |
| Keyword(3) | rate estimation |
| Keyword(4) | LDGM codes |
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| Keyword(8) | |
| 1st Author's Name | Takuma Kyo |
| 1st Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 2nd Author's Name | Eiji Okamoto |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 3rd Author's Name | Yozo Shoji |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Yoshihisa Takayama |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Morio Toyoshima |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | 1 |
| Date Time | 2012-08-31 10:40:00 |
| Presentation Time | 25 |
| Registration for | SAT |
| Paper # | IEICE-SAT2012-27 |
| Volume (vol) | IEICE-112 |
| Number (no) | no.191 |
| Page | pp.55-60 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-SAT-2012-08-23 |
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