… vectors, user clustering strategy and power allocation in the above MIMO NOMA system, so
as to … We observe that when all users are grouped into one cluster, the total transmit power is …

… The total number of users in the system is M × L, which are grouped into M clusters …
First, we evaluate the effectiveness of the proposed energyefficient PA strategy. To compare …

… and user grouping by considering the uplink NOMA system. The … three alternative algorithms
solve user grouping: Randomly, 2-… power-control strategy and user-grouping algorithms is …

… MIMO NOMA systems. Motivated by these key observations, we consider an angledomain
mmWave MIMO NOMA system … system performance. Moreover, based on angular information, …

… -based MIMO-NOMA design works as follows: users are first grouped into clusters based on
… differences in the power allocation strategies of SC-NOMA and MC-NOMA because of sub-…

… user clustering and power allocation strategies. Effectively, this work proposes an improved
clustering-based … The optimal user grouping for conventional NOMA and MIMO NOMA …

… types of NOMA grouping schemes, ie, all-user grouping, partitioned and non-partitioned
grouping. … the optimal energy-saving strategy to satisfy all the users’ rate demand in large-scale …

… It is shown that optimality is achieved when each MTC-D transmits with the minimum throughput
for both NOMA and TDMA strategies. Energy consumption problems of both NOMA and …

… NOMA 网络用户分组与功率分配算法 User grouping and power allocation algorithm for
UAV-aided NOMA … and the user grouping. To solve the non-convex problem, a graph-based …

… can only be assigned to one user group. We propose a strategy to match clustered users with
… This section is dedicated to finding an optimal joint CoMP-NOMA user-grouping strategy. …