Capacity Efficient Resource Allocation Strategy in Heterogeneous Networks with Hybrid Access Model

摘要

With hybrid access model in heterogeneous networks (HetNets), a capacity efficient resource allocation strategy is proposed in this paper. Combining with millimeter wave (mmWave) and Sub-6GHz, we divide the optimization of system capacity into two Sub- optimization problems. Firstly, this paper proposes a resource allocation algorithm based on the maximum interference free group (MIFG) for the users in mmWave Pico BS (PBS). The capacity of each PBS is maximized by grouping users and maximizing the utilization of resource block (RB). Secondly, to ensure the service quality of users in Macro BS (MBS), a twostage QoS guaranteed greedy pair (TQGP) algorithm is proposed in this paper. Simulation results indicate that the proposed capacity efficient resource allocation strategy can improve the system capacity with user QoS guaranteed.