Security-Reliability Tradeoff for Secure Relaying Systems With Full-Duplex Radio

Security-Reliability Tradeoff for Secure Relaying Systems With Full-Duplex Radio

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This paper focuses on how to effectively improve the tradeoff between security and reliability by developing power allocation problems for a secure relaying network with a full-duplex (FD) relay, an FD receiver and a passive eavesdropper.FD radio here is utilized for cooperative jamming.The security and reliability are characterized by the secrecy rate and the Mens L/S Shirt data rate, respectively.The total transmit power is divided into two parts: one for data transmission and the other for jamming.The power allocation problem is split into data rate Hoover WDWFT 4138AH-80 13kg Washer 8kg Dryer A rated 1400rpm White optimization and secrecy rate optimization, which will greatly simplify the tradeoff process.

Closed-form solutions of the two subproblems are obtained.By applying these results, a security-reliability tradeoff strategy is proposed.Numerical results have shown that the proposed security-reliability tradeoff strategy can approach the Pareto optimal front.Using the strategy, one can make the tradeoff between security and reliability efficiently by adjusting only one tradeoff factor.