Abstract
In this paper, we consider a secure wireless powered device-to-device (D2D) communication in the presence of the multiple eavesdroppers, where a smart hybrid base station (BS) in cellular network not only charges for the D2D transmitter to guarantee power efficiency for the D2D network, but also serves as a cooperative jammer (CJ) to interfere with the eavesdroppers. Although the cellular networks share their own spectrum with the D2D underlay network, both of them may not belong to the same service provider. Thus, the D2D transmitter charges for the energy services released by the hybrid BS. We formulate two Stackelberg game formulations to exploit the hierarchical interaction between the BS and the D2D transmitter with/without energy trading. The associated Stackelberg equilibriums of the formulated games are derived in terms of closed-form solutions. Simulation results are provided to validate our proposed schemes.
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