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A New Hybrid Message Passing Algorithm for Joint User Activity Detection, Channel Estimation and Data Decoding in Grant-Free OFDM-IDMA.
Fakher Sagheer
Frédéric Lehmann
Antoine O. Berthet
Published in:
IEEE Trans. Veh. Technol. (2024)
Keyphrases
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message passing
input data
dynamic programming
estimation algorithm
high quality
channel estimation
computational complexity
expectation maximization
computationally efficient
user behavior
communication systems
image processing
probabilistic model
higher order
matching algorithm