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- W2962843721 abstract "Consider a full-duplex (FD) multiuser system where an FD base station (BS) is designed to concurrently serve both downlink and uplink users in the presence of half-duplex eavesdroppers (Eves). The target problem is to maximize the minimum secrecy rate (SR) among all legitimate users. A novel user grouping-based fractional time allocation is proposed as an alternative solution, where information signals at the FD-BS are accompanied by artificial noise to degrade the Eves' channels. The SR problem has a highly non-concave and non-smooth objective, subject to non-convex constraints due to coupling between the optimization variables. Nevertheless, we develop a path-following low- complexity algorithm, which involves only a simple convex program of moderate dimensions at each iteration. Numerical results demonstrate the merit of the proposed approach compared to existing well-known ones, i.e., conventional FD and FD non-orthogonal multiple access." @default.
- W2962843721 created "2019-07-30" @default.
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- W2962843721 date "2018-05-01" @default.
- W2962843721 modified "2023-10-18" @default.
- W2962843721 title "On the Design of Secure Full-Duplex Multiuser Systems under User Grouping Method" @default.
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- W2962843721 doi "https://doi.org/10.1109/icc.2018.8422451" @default.
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