Ngoc-Long Nguyen, H. Nguyen, Nhat-Tien Nguyen, D. Do, Anh-Tu Le, M. Voznák, J. Zdralek
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On Secure Cognitive Radio Networks with NOMA: Design of Multiple-Antenna and Performance Analysis
This paper presents the secrecy performance of Cognitive Radio (CR) networks by enabling non-orthogonal multiple access (NOMA) in downlink. The multiple-input and single output (MISO) architecture with transmit antenna selection (TAS) strategy is considered. In particular, physical layer security of CR-NOMA is studied to achieve secure performance analysis such as the secrecy outage probability (SOP). Furthermore, optimal power allocation factor can be obtained to show optimal value of SOP. Monte-Carlo simulations are performed to verify the proposed analytical results.
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