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- W2884479649 abstract "Security is a challenging issue for cognitive radio (CR) networks. Conventionally, interference will degrade the performance of a primary user (PU) when the spectrum is shared with secondary users (SUs). However, when properly designed, SUs can serve as friendly jammers to guarantee the secure transmission of PU. Thus, in this paper, we propose a optimal transceiver design scheme to improve the sum rate of SUs while guaranteeing the secrecy rate of PU. In the scheme, the secondary transceivers are jointly designed to maximize their sum rate while satisfying a threshold on the PU's secrecy rate. Due to the non-convex nature, it is first converted into a convex one and then, an alternating optimization algorithm based on the second-order cone programming is proposed to solve it. Finally, simulation results are presented to verify the effectiveness of the proposed scheme for secure CR networks." @default.
- W2884479649 created "2018-08-03" @default.
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- W2884479649 date "2018-06-01" @default.
- W2884479649 modified "2023-10-16" @default.
- W2884479649 title "Secondary Transceiver Design for Secure Primary Transmission" @default.
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- W2884479649 doi "https://doi.org/10.1109/vtcspring.2018.8417553" @default.
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