Joint Active User Detection and Channel Estimation for Grant-Free NOMA-OTFS in LEO Constellation Internet-of-Things.

Xingyu Zhou Zhen Gao

Published in: CoRR (2021)

Keyphrases

channel estimation
active user
multipath
cdma systems
communication systems
frequency selective
ofdm system
mobile devices
anomaly detection
estimation algorithm
multiscale
data management
end to end
fading channels