Hierarchical Multi-Beam Search Based ChannelEstimation for Millimeter-Wave Massive MIMO Systems.

Hui Li Wenjie Zhang Wei Cheng Rui Liang

Published in: IEEE Access (2019)

Keyphrases

beam search
mimo systems
millimeter wave
low complexity
branch and bound
search algorithm
radar images
heuristic search
search methods
search problems
physical phenomena
video transmission
fading channels
imaging process
ranking functions
search space
wireless channels
experimental data
lower bound