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- W2087604002 abstract "Considering worst-case channel uncertainties, we investigate the robust secure beamforming design problem in multiple-input-single-output (MISO) full-duplex, two-way secure communications. Our objective is to maximize worst-case sum secrecy rate under weak secrecy conditions and individual transmit power constraints. Since the objective function of the optimization problem includes both convex and concave terms, we propose to transform convex terms into linear terms. We decouple the problem into four optimization problems and employ the alternating optimization algorithm to obtain the locally optimal solution. Simulation results demonstrate that our proposed robust secure beamforming scheme outperforms the nonrobust one. It is also found that when the regions of channel uncertainties and the individual transmit power constraints are sufficiently large, because of self-interference, the proposed two-way robust secure communication is proactively degraded to one-way communication." @default.
- W2087604002 created "2016-06-24" @default.
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- W2087604002 date "2016-01-01" @default.
- W2087604002 modified "2023-10-14" @default.
- W2087604002 title "Robust Secure Beamforming in MISO Full-Duplex Two-Way Secure Communications" @default.
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- W2087604002 doi "https://doi.org/10.1109/tvt.2015.2394370" @default.
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