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In ultra-dense networks (UDNs), large-scale deployment of femto base stations is an important technique for improving the network throughput and quality of service (QoS). In this paper, a multidimensional resource allocation algorithm based on nonco-operation game theory is proposed to manage the resource allocation in UDNs, including transmission point association, user channels, and power. The algorithm derives a multidimensional resource optimization model and converts into a noncooperation game model according to the analysis of transmission point association user channel and power allocation. The algorithm includes two phases: transmission point association, and channel and power allocation. Then, feasible domain and discrete variables relaxation approaches are introduced to derive an approximate optimal multidimensional resource allocation solution with low complexity. Simulation results show that this method has some advantages in suppressing interference and improves the overall system throughput, while ensuring the QoS of femto-cell users.
Wang et al. (Sat,) studied this question.