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Paper Abstract and Keywords
Presentation 2021-05-21 13:00
A Study on Multi-rate Polar Coding Scheme Using Hybrid Pilot and Frozen Bits in Satellite Laser Communications
Hiroki Ito, Yuma Yamashita, Eiji Okamoto (NITech), Hiroo Kunimori, Morio Toyoshima (NICT) WBS2021-18 RCC2021-18 SAT2021-16
Abstract (in Japanese) (See Japanese page) 
(in English) In satellite laser communications, it is necessary to apply strong error-correcting codes to prevent the quality degradation caused by atmospheric scintillation. In recent years, polar codes have been attracting attention because of their relatively low computational complexity and excellent error correction capability. We have studied a one-way adaptive coding scheme that uses the frozen bits of polar codes to estimate the code rate at the receiver side without two-way interactive control signaling. On the other hand, in a fading channel, it is necessary to obtain the channel state information by inserting pilot symbols. Therefore, in this paper, we propose a new rate-efficient transmission scheme that superposes a rate information of adaptive channel coding and pilot symbols in the frozen bits of the polar code. The receiver can estimate both code rate and channel state information simultaneously. Through numerical results, it is shown that the maximum throughput of the proposed method improves at 4.8% compared to the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) satellite laser communications / polar code / frozen bit / adaptive coding scheme / channel estimation / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 26, SAT2021-16, pp. 83-88, May 2021.
Paper # SAT2021-16 
Date of Issue 2021-05-13 (WBS, RCC, 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 WBS2021-18 RCC2021-18 SAT2021-16

Conference Information
Committee WBS RCC SAT MICT  
Conference Date 2021-05-20 - 2021-05-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online (Zoom) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Coding, Modulation, Signal processing, Reliable Communication and Control, Healthcare and Medical Information Communication Technologies, and General 
Paper Information
Registration To SAT 
Conference Code 2021-05-WBS-RCC-SAT-MICT 
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 Using Hybrid Pilot and Frozen Bits in Satellite Laser Communications 
Sub Title (in English)  
Keyword(1) satellite laser communications  
Keyword(2) polar code  
Keyword(3) frozen bit  
Keyword(4) adaptive coding scheme  
Keyword(5) channel estimation  
Keyword(6)  
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1st Author's Name Hiroki Ito  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Yuma Yamashita  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
3rd Author's Name Eiji Okamoto  
3rd Author's Affiliation Nagoya Institute of Technology (NITech)
4th Author's Name Hiroo Kunimori  
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 Author-1 
Date Time 2021-05-21 13:00:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # WBS2021-18, RCC2021-18, SAT2021-16 
Volume (vol) vol.121 
Number (no) no.24(WBS), no.25(RCC), no.26(SAT) 
Page pp.95-100(WBS), pp.95-100(RCC), pp.83-88(SAT) 
#Pages 6 
Date of Issue 2021-05-13 (WBS, RCC, SAT) 

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