Secrecy Performance Analysis in STAR-RIS-Aided NOMA Networks.

Ziyi Xie,Yuanwei Liu,Wenqiang Yi,Xuanli Wu,Arumugam Nallanathan

Global Communications Conference（2023）

引用 0|浏览0

暂无评分

摘要

An analytical framework for physical layer security in simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) transmissions is proposed, where legitimate users and eavesdroppers are randomly deployed. To characterize system performance, the channel statistics are first provided, and the Gamma approximation is adopted for general cascaded $\kappa-\mu$ fading. Afterwards, the energy splitting (ES) protocol is considered and closed-form expressions of average secrecy capacity are derived. To obtain further insights, the asymptotic secrecy slope is deduced. The theoretical results show that the secrecy slope of the ES protocol is one. The numerical results demonstrate that: 1) there is an optimal resource allocation ratio of STAR-RIS to maximize the system performance; 2) the STAR-RIS-aided NOMA significantly outperforms the STAR-RIS-aided orthogonal multiple access.

查看译文

关键词

Non-orthogonal Multiple Access,Secrecy Performance,Non-orthogonal Multiple Access Networks,Secrecy Performance Analysis,Numerical Results,Multiple Access,Energy Splitting,Legitimate Users,Physical Layer Security,Reconfigurable Intelligent Surface,Orthogonal Multiple Access,Channel Statistics,Secrecy Capacity,High Power,Decoding,Probability Density Function,Phase Shift,Line-of-sight,Channel Model,Path Loss,Successive Interference Cancellation,Small-scale Fading,Non-orthogonal Multiple Access System,Non-orthogonal Multiple Access Scheme,Stochastic Geometry,Homogeneous Poisson Point Process,Secure Transmission,Fading Channel,Signal-to-interference-plus-noise Ratio,Beamforming Design

AI 理解论文

溯源树

样例

生成溯源树，研究论文发展脉络

Chat Paper

正在生成论文摘要