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Sparse Channel Estimation via Hierarchical Hybrid Message Passing for Massive MIMO-OFDM Systems.
Xiaofeng Liu
Wenjin Wang
Xiaohang Song
Xiqi Gao
Gerhard P. Fettweis
Published in:
IEEE Trans. Wirel. Commun. (2021)
Keyphrases
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message passing
channel estimation
multipath
belief propagation
orthogonal frequency division multiplexing
communication systems
ofdm system
distributed systems
bit error rate
fading channels
estimation algorithm
markov random field
graphical models
end to end
wireless channels