基于聚类的混合波束成形系统调度算法

o meet the multiuser scheduling requirements in hybrid beamforming system with fixed subarray structure, a user scheduling algorithm based on k-mean clustering is proposed. This algorithm considers the effect of fixed subarray structure on millimeter wave channel and uses antenna subarray to replace the other elements to reduce the complexity. Moreover, k-mean clustering algorithm is introduced to select a subset of users with smaller channel correlation. Simulation results show that, compared with the optimal results based on exhaustive method, the proposed scheduling algorithm can reach 70% of the optimal performance at high SNR level, while the exponential complexity of exhaustive method is reduced to linear.