Cheating in matching of device to device pairs in cellular networks

In device-to-device (D2D) communication, mobile users communicate directly without going through the base station. D2D commutation has the advantage of improving spectrum efficiency. But the interference introduced by resource sharing of D2D has become a significant challenge. In this paper, we try to maximize the system throughput and simultaneously meet the Quality of Service (QoS) requirement for both D2D users and cellular users (CUs). We solve the optimization problem by solving the bipartite two-sided matching problem under preferences between the admitted sets of D2D users and CUs. Second and more importantly, we introduce the idea of cheating in matching to further improve some D2D users´ system throughputs. We construct a coalition strategy to implement the cheating idea. Finally, from the simulation results, we demonstrate the effectiveness of cheating in matching for D2D pairs.