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

Xingyu Zhou Zhen Gao

Published in: ICCC (2021)

Keyphrases

channel estimation
active user
multipath
communication systems
cdma systems
bit error rate
frequency selective
fading channels
mobile devices
ofdm system
anomaly detection
wireless channels
estimation algorithm
collaborative filtering
sensor networks
recommender systems
website