Joint resource allocation and interference management in the D2D uplink underlaying cellular networks

This paper investigates the problem of joint interference management and resource allocation in device-to-device (D2D) uplink underlaying cellular networks. To improve the D2D system sum throughput, an overlapping coalition formation game (OCFG) is proposed to achieve resource allocation. In the game, a novel initialization in term of the priority sequence is proposed to rapidly form the initial coalitions. During the coalition formation, the merging and splitting sequences are adopted to guide the order that D2D users merge in or split from the coalition. Here the splitting sequences are formed according to cross-tier interference strength and the merging sequence is based on matching theory. Besides, a power control scheme is formulated to optimize the power allocation. The performance of the proposed algorithm is analyzed and verified through simulations.