Polar-Coded Transmission over 7.8-km Terrestrial Free-Space Optical Links

被引：0

作者：

Fujita, Shingo ^{[1
]}

Okamoto, Eiji ^{[1
]}

Takenaka, Hideki ^{[2
,3
]}

Endo, Hiroyuki ^{[2
]}

Fujiwara, Mikio ^{[2
]}

Kitamura, Mitsuo ^{[2
]}

Shimizu, Ryosuke ^{[4
]}

Sasaki, Masahide ^{[2
]}

Toyoshima, Morio ^{[2
]}

机构：

[1] Nagoya Inst Technol, Grad Sch Engn, Gokiso Cho,Showa Ku, Nagoya 4668555, Japan

[2] Natl Inst Informat & Commun Technol, Nukui Kitamachi 4-2-1, Koganei, Tokyo 1848795, Japan

[3] Tokyo Metropolitan Univ, Dept Aeronaut & Astronaut, 6-6 Asahigaoka, Hino, Tokyo 1910065, Japan

[4] Univ Electro Commun, Grad Sch Informat & Engn, Chofugaoka 1-5-1, Chofu, Tokyo 1828585, Japan

来源：

PHOTONICS | 2023年 / 10卷 / 04期

基金：

日本学术振兴会;

关键词：

free space optics; transmission experiments; polar code; low-density parity-check code; channel equalization; KEY AGREEMENT; CHANNEL; COMMUNICATION; DECODER;

D O I：

10.3390/photonics10040462

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Free-space optical (FSO) communications can offer high-capacity transmission owing to the properties of the laser beams. However, performance degradation caused by atmospheric turbulence is an urgent issue. Recently, the application of polar codes, which can provide capacity-achieving error-correcting performance with low computational cost for decoding, to FSO communications has been studied. However, long-distance and real-field experiments have not been conducted in these studies. To the best of our knowledge, this study is the first to present the experimental results of polar-coded transmission over 7.8-km FSO links. Using experimental data, we investigated the performance of polar codes over atmospheric channels, including their superiority to regular low-density parity-check codes. We expect that our results will offer a path toward the application of polar codes in high-speed optical communication networks including satellites.

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页数：14

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