Achievable Secrecy Rate Region of Two-Way Communication with Secret Key Feedback

被引:1
|
作者
Li, Tao [1 ,2 ]
Zhou, Shidong [3 ,4 ]
机构
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[4] Tsinghua Univ, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
关键词
physical layer security; two-way communication; feed back; one-time-pad; random secret key; secrecy rate region; WIRETAP CHANNEL;
D O I
10.26599/TST.2018.9010058
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper investigates the achievable secrecy rate region of the Gaussian two-way wiretap channel, which describes the simultaneous secure two-way transmission of a confidential message. Through adjusting the time-sharing factor and the rate at which the random secret key is fed back, the allocation and optimization for the secrecy rates of two-way communication are achieved. Under peak and average power constraints, the achievable secrecy rate regions of the two-way communication are derived respectively.
引用
收藏
页码:126 / 134
页数:9
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