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| Presentation | 2021-07-30 10:15 Development of FEC Encoder/Decoder for IP Network to Compensate for Rain Attenuation in Satellite Broadcasting Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata, Hisashi Sujikai (NHK)  SAT2021-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We are developing a diverse reception system which uses the route diversity between a broadcasting satellite and IP network to compensate for 21GHz-band rain attenuation. This system improves the service availability by recovering a rainy area where satellite signals occasionally cannot be received due to rain attenuation with signals from a sunny area via a best-effort (BE) - IP network. A BE-IP network is useful for widespread deployment of this system because of low-cost, however its quality is not guaranteed and the packet loss occurring in the network becomes a problem. Therefore, we developed a forward error-correction encoder/decoder (ENDEC) to compensate for the packet loss with an error-correction code for satellite broadcasting. By using the same error-correction code between satellite broadcasting and IP network, the decoding algorithm can be shared, and seamless switching between both channels can be achieved. In this paper, we describe the outline of the diverse reception system and the structure of ENDEC, and show that an error-correction code for satellite broadcasting can achieve high error-correction performance against burst packet loss in IP network. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Rain attenuation / 21GHz-band satellite broadcasting / Erasure correction / LDPC codes / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 128, SAT2021-25, pp. 30-35, July 2021. | |
| Paper # | SAT2021-25 | |
| Date of Issue | 2021-07-21 (SAT) | |
| ISSN | 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 | SAT2021-25 |
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| Conference Information | |
| Committee | AP SANE SAT |
| Conference Date | 2021-07-28 - 2021-07-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2021-07-AP-SANE-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of FEC Encoder/Decoder for IP Network to Compensate for Rain Attenuation in Satellite Broadcasting |
| Sub Title (in English) | |
| Keyword(1) | Rain attenuation |
| Keyword(2) | 21GHz-band satellite broadcasting |
| Keyword(3) | Erasure correction |
| Keyword(4) | LDPC codes |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yuki Koizumi |
| 1st Author's Affiliation | NHK (NHK) |
| 2nd Author's Name | Yoichi Suzuki |
| 2nd Author's Affiliation | NHK (NHK) |
| 3rd Author's Name | Tomoya Kusunoki |
| 3rd Author's Affiliation | NHK (NHK) |
| 4th Author's Name | Kazunori Yokohata |
| 4th Author's Affiliation | NHK (NHK) |
| 5th Author's Name | Hisashi Sujikai |
| 5th Author's Affiliation | NHK (NHK) |
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| Speaker | Author-1 |
| Date Time | 2021-07-30 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2021-25 |
| Volume (vol) | vol.121 |
| Number (no) | no.128 |
| Page | pp.30-35 |
| #Pages | 6 |
| Date of Issue | 2021-07-21 (SAT) |
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