Joint Device Activity Detection, Channel Estimation and Signal Detection for Massive Grant-free Access via BiGAMP.

Shanshan Zhang Ying Cui Wen Chen

Published in: CoRR (2023)

Keyphrases

activity detection
signal detection
channel estimation
multipath
communication systems
cdma systems
sequence matching
weak signal
ofdm system
low signal to noise ratio
frequency selective
data analysis
fading channels
duplicate detection
bit error rate
data processing
maximum likelihood