Description  Claims  Drawing  Cited references 

US2015365142A1   [0006] 

Scaling up MIMO: Opportunities and Challenges with Very Large Arrays   [0002] 
Massive MIMO for Next Generation Wireless Systems   [0002] 
Optimal Design of Energy-Efficient Multi-User MIMO Systems: Is Massive MIMO the Answer?   [0002] 
An Energy Efficient Antenna Selection for Large Scale Green MIMO Systems   [0002] 
Antenna Selection in Measured Massive MIMO Channels Using Convex Optimization   [0002] 
Variable-Phase-Shift-Based RF Baseband Codesign for MIMO Antenna Selection   [0002] 
Large-Scale Antenna Systems with Hybrid Analog and Digital Beamforming for Millimeter Wave 5G   [0002] 
Spatially Sparse Precoding in Millimeter Wave MIMO Systems   [0002] 
Limited Feedback Hybrid Precoding for Multi-User Millimeter Wave Systems   [0002] 
Low-Complexity Hybrid Precoding in Massive Multiuser MIMO Systems   [0002] 
Energy-Efficient Hybrid Analog and Digital Precoding for mmWave MIMO Systems with Large Antenna Arrays   [0002] 
Low-Complexity Hybrid Precoding in Massive Multiuser MIMO Systems   [0007] 
Hybrid Block Diagonalization for Massive Multiuser MIMO Systems   [0008]