[Retracted] Energy Efficiency Analysis in Modified GoF Spectrum Sensing-Based AF Relay Cooperative Cognitive Sensor Network with Energy Harvesting

<div>The SU’s EE versus (<i>P</i>)<sub>max</sub>. (a) Linear EH model. (b) Nonlinear EH model.</div>

Security and Communication Networks

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Figure 4: [Retracted] Energy Efficiency Analysis in Modified GoF Spectrum Sensing-Based AF Relay Cooperative Cognitive Sensor Network with Energy Harvesting 

Figure 4 | [Retracted] Energy Efficiency Analysis in Modified GoF Spectrum Sensing-Based AF Relay Cooperative Cognitive Sensor Network with Energy Harvesting 