Sparse vs. Dense Signatures for Grant-Free NOMA with Deep Learning Based Activity Detection.

Chunxiang Li Xiaofu Wu Renxiang Zhang Suofei Zhang Jun Yan

Published in: WCSP (2021)

Keyphrases

deep learning
activity detection
machine learning
unsupervised feature learning
unsupervised learning
high dimensional
mental models
sequence matching
weakly supervised
sparse representation
data mining
active learning
probabilistic model
wordnet
topic models
learning strategies