This paper analyses the security performance based on the average rate over the Rayleigh fading channel. Firstly, we use the average decoding rate and the average eavesdropping rate to measure the security performance and derive the analytical expressions for them. Then, the purpose of maximizing the average decoding rate and minimizing the average eavesdropping rate is modeled as a double objective optimization problem. By using linear weighted method, the security problem is transferred into a single objective optimization problem. On the basis, an optimal transmission rate algorithm based on steepest descent method for the optimization problem is further proposed. Finally, the simulation results show the effects of the transmission rate, the eavesdropping position, the number of loop iterations and other factors on the security performance.
Security Performance Analysis Based on the Average Rate over Rayleigh Fading Channels
2018-08-01
599544 byte
Conference paper
Electronic Resource
English
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