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| Presentation | 2019-08-23 11:25 [Encouragement Talk] A Study on Multi-rate Polar Coding Scheme in Free Space Optics Keita Ito, Okamoto Eiji (NiTech), Takenaka Hideki, Kunimori Hiroo, Toyoshima Morio (NICT)  SAT2019-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Polar codes asymptotically achieves theoretical channel capacity when code length is quite long, and have been adopted as a channel coding scheme in control channel of fifth generation mobile communications system (5G). In polar codes, it is necessary to appropriately configure frozen bits, which are known bits to both the transmitter and the receiver, to obtain excellent channel coding gain. We have studied that an adaptive coding with arbitrary coding rate can be realized in polar codes by changing the number of frozen bits. On the other hand, in satellite laser communications, the transmission channel fluctuates due to air scintillation and the transmission delay is relatively large due to long distance propagation. Thus, it is difficult to apply the adaptive polar coding in accordance with the channel fluctuation by using two-way control among satellite and an earth station. Therefore, in this paper, we propose a one-way adaptive polar coded transmission scheme to flexibly follow the transmitter’s state. In the proposed scheme, by inserting the transmitting rate information into frozen bits, the receiver can estimate the transmitted coding rate based on successive cancellation list decoding, without the two-way control signaling. The performance of the proposed scheme is evaluated through numerical simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | polar code / adaptive coding scheme / free space optics / 5G / successive cancellation list decoding / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 175, SAT2019-36, pp. 105-110, Aug. 2019. | |
| Paper # | SAT2019-36 | |
| Date of Issue | 2019-08-15 (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 | SAT2019-36 |
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| Conference Information | |
| Committee | RCS SAT |
| Conference Date | 2019-08-22 - 2019-08-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communications, etc. |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2019-08-RCS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Multi-rate Polar Coding Scheme in Free Space Optics |
| Sub Title (in English) | |
| Keyword(1) | polar code |
| Keyword(2) | adaptive coding scheme |
| Keyword(3) | free space optics |
| Keyword(4) | 5G |
| Keyword(5) | successive cancellation list decoding |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Keita Ito |
| 1st Author's Affiliation | Nagoya Institute of Technology (NiTech) |
| 2nd Author's Name | Okamoto Eiji |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NiTech) |
| 3rd Author's Name | Takenaka Hideki |
| 3rd Author's Affiliation | National Institute of Information and Communications Technolog (NICT) |
| 4th Author's Name | Kunimori Hiroo |
| 4th Author's Affiliation | National Institute of Information and Communications Technolog (NICT) |
| 5th Author's Name | Toyoshima Morio |
| 5th Author's Affiliation | National Institute of Information and Communications Technolog (NICT) |
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| Speaker | Author-2 |
| Date Time | 2019-08-23 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2019-36 |
| Volume (vol) | vol.119 |
| Number (no) | no.175 |
| Page | pp.105-110 |
| #Pages | 6 |
| Date of Issue | 2019-08-15 (SAT) |
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