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Paper Abstract and Keywords
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)
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 Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

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  
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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Date Time 2019-08-23 11:25:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2019-36 
Volume (vol) IEICE-119 
Number (no) no.175 
Page pp.105-110 
#Pages IEICE-6 
Date of Issue IEICE-SAT-2019-08-15 

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