Performance and Reliability, Security of One-Way Duplex Relay Network Using Artificial Noise
Corressponding author's email:
bao75phuongdong@gmail.comDOI:
https://doi.org/10.54644/jte.2026.2004Keywords:
Outage Probability, Intercept Probability, Secrecy Outage Probability, Artificial Noise, One-Way Full-DuplexAbstract
The authors employ the artificial noise (AN) technique to enhance physical layer security (PLS) in one-way full-duplex (OWFD) networks. Specifically, an OWFD network incorporating AN and operating over Rayleigh fading channels is considered. The system consists of five nodes: a source node, a destination node, a relay node, an eavesdropper node, and a jamming node. To evaluate security performance, the authors analyze and assess several metrics, including the secrecy outage probability (SOP), secrecy throughput (STP), and the trade-off between outage probability (OP) and intercept probability (IP). Closed-form expressions are derived in the paper. The analytical results are validated through Monte Carlo simulations implemented in MATLAB, the results are illustrated through four graphs: the impact of the artificial-noise node’s position on the SOP under variations in the source node’s transmit power; the effect of the eavesdropper’s position; and the influence of the path-loss exponent on the system’s OP, IP, and SOP. In addition, a comparative graph of the SOP between the proposed model and the reference model is presented. All graphs demonstrate a significant improvement in security performance compared with previous studies. The proposed model confirms the feasibility of implementing PLS solutions in OWFD networks.
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