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Asynchronous Grant-Free Random Access: Partially Uni-Directional Message Passing for Joint User Activity Detection and Channel Estimation.
Zhaoji Zhang
Yuhao Chi
Qinghua Guo
Ying Li
Guanghui Song
Chongwen Huang
Published in:
WCSP (2023)
Keyphrases
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message passing
random access
user activity
channel estimation
belief propagation
distributed systems
user behavior
shared memory
communication systems
multipath
ofdm system
markov random field
bit error rate
graph cuts
estimation algorithm
social networks
online social networks
image processing