2 papers
cs.IT2021
Sparse Channel Reconstruction With Nonconvex Regularizer via DC Programming for Massive MIMO Systems
Pengxia Wu, Hui Ma, Julian Cheng
Sparse channel estimation for massive multiple-input multiple-output systems has drawn much attention in recent years. The required pilots are substantially reduced when the sparse…
cs.IT2019
Compressed CSI Feedback With Learned Measurement Matrix for mmWave Massive MIMO
Pengxia Wu, Zichuan Liu, Julian Cheng
A major challenge to implement the compressed sensing method for channel state information (CSI) acquisition lies in the design of a well-performed measurement matrix to reduce the…