Physical layer secrecy performance of energy harvesting networks with power transfer station selection

This paper investigates the impact of power transfer station selection on the physical layer secrecy performance of radio frequency energy harvesting (EH) networks. The best power transfer station is selected among multiple power transfer stations in EH networks to increase the harvested power of energy constrained users. The exact closed-form expressions of existence probability of secrecy capacity and secrecy outage probability are derived based on using statistical characteristics of Rayleigh fading channels. Numerical and simulation results are presented to confirm the correctness of our analysis.