Abstract:Aiming at the low efficiency problem of the traditional paring method used in the uplink Cooperated Multi Point(CoMP) system, a user properties based adaptive user grouping algorithm is proposed. By taking the users’ properties as parameters, the proposed algorithm could determine the number of groups with Min-Max distance measure method, then divide users into several groups with k-means method. Therefore, users are divided into several groups according to their properties. The simulation results show that the proposed algorithm can increase the uplink sum capacity of the system, and it is still effective even under low Signal to Noise Ratio(SNR). The advantages of multi-antenna at the base station side facilitate improving the uplink sum capacity of the system.