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- W2037754070 abstract "This letter studies the secure cooperative transmission for an amplify-and-forward (AF) relay network in the presence of multiple multi-antenna eavesdroppers. Since the perfect channel state information (CSI) of the eavesdroppers are not available, we propose a robust joint distributed beamforming and artificial noise scheme to maximize the worst-case secrecy rate of the network, under the total power constraint of all the relay nodes. With the semidefinite relaxation (SDR) technique, the design can be solved by a one-dimension search which involves a sequence of semidefinite programming (SDP). Simulation results demonstrate the validity of the proposed strategy." @default.
- W2037754070 created "2016-06-24" @default.
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- W2037754070 date "2014-10-01" @default.
- W2037754070 modified "2023-09-26" @default.
- W2037754070 title "Robust joint beamforming and artificial noise design for secure AF relay networks" @default.
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- W2037754070 doi "https://doi.org/10.1109/iccchina.2014.7008310" @default.
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