AN-Aided Secure Beamforming in SWIPT-Aware Mobile Edge Computing Systems with Cognitive Radio

<div>The CBS minimum transmit power under different secrecy rate requirements and different numbers of ERs. (a) The relationship between the CBS minimum transmit power and the number of ERs. (b) The relationship between the CBS minimum transmit power and the secrecy rate requirements.</div>

Wireless Communications and Mobile Computing

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Figure 6

Figure 6: AN-Aided Secure Beamforming in SWIPT-Aware Mobile Edge Computing Systems with Cognitive Radio 