Free-space optical channel estimation for physical layer security

被引：38

作者：

Endo, Hiroyuki ^{[1
,2
]}

Fujiwara, Mikio ^{[1
]}

Kitamura, Mitsuo ^{[1
]}

Ito, Toshiyuki ^{[1
]}

Toyoshima, Morio ^{[3
]}

Takayama, Yoshihisa ^{[3
,4
]}

Takenaka, Hideki ^{[3
]}

Shimizu, Ryosuke ^{[5
]}

Laurenti, Nicola ^{[6
]}

Vallone, Giuseppe ^{[6
]}

Villoresi, Paolo ^{[6
]}

Aoki, Takao ^{[2
]}

Sasaki, Masahide ^{[1
]}

机构：

[1] Natl Inst Informat & Commun Technol, Quantum ICT Lab, 4-2-1 Nukuikitamachi, Koganei, Tokyo 1848795, Japan

[2] Waseda Univ, Dept Appl Phys, Shinjuku Ku, Tokyo 1698050, Japan

[3] Natl Inst Informat & Commun Technol, Space Commun Syst Lab, 4-2-1 Nukuikitamachi, Koganei, Tokyo 1848795, Japan

[4] Tokai Univ, Sch Informat & Telecommun Engn, Minato Ku, Tokyo 1088619, Japan

[5] Univ Electrocommun, Ctr Frontier Sci & Engn, Chofu, Tokyo 1828585, Japan

[6] Univ Padua, Dept Informat Engn, Via Gradenigo 6-B, I-35131 Padua, Italy

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 08期

关键词：

SECRECY CAPACITY; INFORMATION;

D O I：

10.1364/OE.24.008940

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present experimental data on message transmission in a free-space optical (FSO) link at an eye-safe wavelength, using a testbed consisting of one sender and two receiver terminals, where the latter two are a legitimate receiver and an eavesdropper. The testbed allows us to emulate a typical scenario of physical-layer (PHY) security such as satellite-to-ground laser communications. We estimate information-theoretic metrics including secrecy rate, secrecy outage probability, and expected code lengths for given secrecy criteria based on observed channel statistics. We then discuss operation principles of secure message transmission under realistic fading conditions, and provide a guideline on a multi-layer security architecture by combining PHY security and upper-layer (algorithmic) security. (C) 2016 Optical Society of America

引用

页码：8940 / 8955

页数：16

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