Anti-eavesdropping Attack Model Based on Power Control and Relay Cooperation

doi:10.3969/j.issn.1671-1122.2020.01.006

Netinfo Security ›› 2020, Vol. 20 ›› Issue (1): 40-45.doi: 10.3969/j.issn.1671-1122.2020.01.006

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Anti-eavesdropping Attack Model Based on Power Control and Relay Cooperation

LI Ruixing^1,^2,³(), XU Li^1,³, FANG He^1,³

1. Key Laboratory of Network Security and Cryptography, Fujian Normal University, Fuzhou 350007, China
2. Department of Computer Science, Minjiang Teachers College, Fuzhou 350108
3. Fujian College Applied Technology Engineering Center of Internet of Things, Fuzhou 350108, China

Received:2019-09-02 Online:2020-01-10 Published:2020-05-11

Abstract

Abstract:

In cognitive radio networks, it is easy to cause malicious links eavesdropping because of the broadcast characteristics. Firstly, this paper analyzes the relationship between eavesdropping probability and transmit power in the primary user (license user) network. Then this paper proposes an anti-eavesdropping attack model based on power control and relay cooperation, and calculates the optimal transmission powers in two different cases. One case is that the eavesdropper can only eavesdrop the signals of the relay nodes, another one is that the eavesdropper can eavesdrop the information from the source node and the relay nodes at the same time. Finally, this paper gives the selection criteria of the best relay nodes by analyzing the security capacity. The simulation results show that the model can reduce the eavesdropping probability by increasing the number of relay nodes. In addition, compared with other models, the model can achieve better results in resisting eavesdropping attacks.

Key words: cognitive radio network, eavesdropping attack, relay technology, power control

CLC Number:

TP309

LI Ruixing, XU Li, FANG He. Anti-eavesdropping Attack Model Based on Power Control and Relay Cooperation[J]. Netinfo Security, 2020, 20(1): 40-45.

Figures/Tables 5

References 11

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Anti-eavesdropping Attack Model Based on Power Control and Relay Cooperation

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