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User Activity Detection and Channel Estimation for Grant-Free Random Access in LEO Satellite-Enabled Internet of Things.
Zhaoji Zhang
Ying Li
Chongwen Huang
Qinghua Guo
Lei Liu
Chau Yuen
Yong Liang Guan
Published in:
IEEE Internet Things J. (2020)
Keyphrases
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random access
user activity
channel estimation
multipath
user behavior
online social networks
communication systems
ofdm system
social media
end to end
maximum likelihood
computer systems
estimation algorithm