Secure Information Transmissions in Wireless-Powered Cognitive Radio Networks for Internet of Medical Things

<div>The secrecy rate of the primary system with respect to the initialized transmission power PST0 at the ST for different primary transmission power PP. dPST = 4 m, dSS = 2 m, dSPR = dPP-dPST, dSME = dSPR, dPME = dPP. The antenna number N = 4.</div>

Security and Communication Networks

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Figure 5

Figure 5: Secure Information Transmissions in Wireless-Powered Cognitive Radio Networks for Internet of Medical Things 