A Multiple-Input Multiple-Output (MIMO) downlink communication system employing Non- Orthogonal Multiple Access (NOMA) technique is studied. Based on the theoretical analysis taking error propagation into account, a distance and spatial correlation based user matching criteria is proposed. In addition, the allocation of the base station’s transmit power is optimized. Simulation results show that the proposed method can increase the number of subscribers that the system can accommodate, while guaranteeing good system’s sum-rate performance.
李钊,戴晓琴,陈柯宇,肖丽媛. 非正交多址接入下行链路用户匹配与功率优化算法[J]. 电子与信息学报, 2017, 39(8): 1804-1811.
LI Zhao, DAI Xiaoqin, CHEN Keyu, XIAO Liyuan. User Matching and Power Optimization Algorithm for Downlink NOMA. JEIT, 2017, 39(8): 1804-1811.
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