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General Information
    • ISSN: 2010-3751 (Print)
    • Frequency: Quarterly
    • DOI: 10.18178/IJFCC
    • Editor-in-Chief: Prof. Mohamed Othman
    • Executive Editor: Ms. Cherry L. Chan
    • Abstracting/ Indexing: Crossref, Electronic Journals LibraryEI (INSPEC, IET), EBSCO, etc.
    • E-mail:  ijfcc@ejournal.net 
Prof. Mohamed Othman
Department of Communication Technology and Network Universiti Putra Malaysia, Malaysia
It is my honor to be the editor-in-chief of IJFCC. The journal publishes good papers in the field of future computer and communication. Hopefully, IJFCC will become a recognized journal among the readers in the filed of future computer and communication.
IJFCC 2014Vol.3(5): 309-314 ISSN: 2010-3751
DOI: 10.7763/IJFCC.2014.V3.317

Cooperative Interference Based on Evolutionary Game in Wire-Tap Channel

Kaizhi Huang, Ying Hong, Wenyu Luo, and Shengbin Lin
Abstract—In wireless network, when using classical game theory to study physical layer security, the energy-limited transmission nodes tend to choose non-cooperative strategy in order to maximize their own secrecy rate, resulting in reduced network secrecy rate. To solve this problem, the paper proposes a cooperative interference method for physical layer security based on evolutionary game. First, it defines the strategies (sending artificial noise or signal) and benefits (secrecy rate under different strategy combination) according to the evolutionary game. Then, the transmission nodes adjust strategy to maximize benefits based on current network state and difference between cooperation benefit and average expected benefit; Finally, the conditions that the transmitting nodes can cooperate with each other could achieve, and the network is evolution from an unstable state to a stable cooperative state to improve the secrecy rate of the system. Simulation and analysis results show that under the Gaussian channel, compared to the traditional game method, the network secrecy rate of the proposed method can be improved 1bit/s/Hz.

Index Terms—Secrecy rate, evolutionary game, cooperative interference, eavesdropper.

The authors are with the National Digital Switching System Engineering & Technological Research Center, Zhengzhou 450002, China (e-mail: huangkaizhi@tsinghua.org.cn, hongyinghunan@126.com, 13803853365@139.com).


Cite: Kaizhi Huang, Ying Hong, Wenyu Luo, and Shengbin Lin, "Cooperative Interference Based on Evolutionary Game in Wire-Tap Channel," International Journal of Future Computer and Communication vol. 3, no. 5, pp. 309-314, 2014.

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