ETRI-Knowledge Sharing Plaform

System-Level Simulation Massive Mimo System Spectral Efficiency(SE) Cell-Free Channel State Information(CSI) Zero Forcing(ZF) Ultra-Dense Network Massive Multiple-Input Multiple-Output (Mimo) Systems Hybrid Beamforming Maximization Problem Efficiency Maximization Feedback Framework Network Capacity Access Point Channel Quality Distributed Precoding Joint Scheduling Network Slicing Signal-To-Interference-Plus-Noise Ratio(SINR) Signaling Overhead Two-Stage Two-Step Approach Base Station(BS) Central Processing Unit Maximizing The Sum Rate Numerical Results Trade-Off Multi-User Transmission Ap Selection Control Framework Millimeter Wave Communication Rf Beamformer Beamforming Design Conventional Methods Dynamic Network Large-Scale Power Iteration Precoding Design Joint Transmission Precoding Scheme Beamforming Scheme Inter-Cell Interference(ICI) Power Allocation(PA) Limited Feedback Minimum Mean Square Error(MMSE) System-Level Evaluation Beam Selection Computational Complexity Maximum Ratio Transmission Non-Coherent Ran Architecture Radio Frequency (Rf) Sum-Rate Maximization Scale Parameters Simulation Results Traffic Capacity