4 papers
Joint CSI Estimation-Feedback-Precoding via DJSCC for MU-MIMO OFDM Systems
Yiran Guo, Wei Chen, Bo Ai +1
As the number of antennas in frequency-division duplex (FDD) multiple-input multiple-output (MIMO) systems increases, acquiring channel state information (CSI) becomes increasingly…
Deep Joint CSI Feedback and Multiuser Precoding for MIMO OFDM Systems
Yiran Guo, Wei Chen, Jialong Xu +2
The design of precoding plays a crucial role in achieving a high downlink sum-rate in multiuser multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OF…
Swin Transformer-Based CSI Feedback for Massive MIMO
Jiaming Cheng, Wei Chen, Jialong Xu +3
For massive multiple-input multiple-output systems in the frequency division duplex (FDD) mode, accurate downlink channel state information (CSI) is required at the base station (B…
Rate Compatible LDPC Neural Decoding Network: A Multi-Task Learning Approach
Yukun Cheng, Wei Chen, Lun Li +1
Deep learning based decoding networks have shown significant improvement in decoding LDPC codes, but the neural decoders are limited by rate-matching operations such as puncturing…