Power Threshold Game for Covert Communication in Relay Networks with an Active Warden

被引：2
|
作者：
Wang, Jianquan [1 ]
Sun, Yuanxin [1 ]
Tang, Wanbin [1 ]
Li, Xiaoping [2 ]
Li, Shaoqian [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Commun, Chengdu, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Math Sci, Chengdu, Peoples R China
来源：
2019 11TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP) | 2019年
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
covert communication; game theory; Nash equilibrium; relay network;
D O I：
10.1109/wcsp.2019.8928060
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Covert communication aims at preventing the transmission being detected by the adversaries. In this paper, we consider an active warden, that sends jamming when the transmission is detected. The relay is employed to help the transmission and confuse the warden. We prove that the transmitter can transmit O(n) bits covertly over n channel uses in the proposed system. We model the behaviors of the transmitter and the warden as the non-cooperative game. The Nash equilibrium (NE) is determined and the existence is also proved. Numerical results show the stability of the determined NE and the performances of the proposed system.
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收藏
页数：6
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