A Stackelberg-Game Approach for Disaster-Assisted Communications Utilizing Cooperative D2D
نویسندگان
چکیده
In this paper, we investigate disaster-assisted communications utilizing two-cell cooperative D2D communications. Specifically, one cell is in a healthy area while the other is in a disaster area. A user equipment (UE) in the healthy area aims to assist a UE in the disaster area to recover wireless information transfer (WIT) via an energy harvesting (EH) relay. In the healthy area, the cellular BS shares the spectrum with the UE, however, both of them belong to different service providers, thus, the UE pays an amount of price as incentive to the BS for two processes: energy trading and interference. We formulate these two processes as two Stackelberg games, i.e., energy trading and interference pricing games. The Stackelberg equilibriums for both formulated games are derived as closed-form solutions. Numerical results indicate that the energy trading game outperforms the interference pricing game in terms of providing higher utility function with lower price for the communication of the D2D network.
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