4 papers
Vector Quantized-Aided XL-MIMO CSI Feedback with Channel Adaptive Transmission
Yuhang Ma, Nan Ma, Jianqiao Chen +1
Efficient channel state information (CSI) feedback is critical for 6G extremely large-scale multiple-input multiple-output (XL-MIMO) systems to mitigate channel interference. Howev…
Flow matching-based generative models for MIMO channel estimation
Wenkai Liu, Nan Ma, Jianqiao Chen +2
Diffusion model (DM)-based channel estimation, which generates channel samples via a posteriori sampling stepwise with denoising process, has shown potential in high-precision chan…
VQ-DeepISC: Vector Quantized-Enabled Digital Semantic Communication with Channel Adaptive Image Transmission
Jianqiao Chen, Tingting Zhu, Huishi Song +2
Discretization of semantic features enables interoperability between semantic and digital communication systems, showing significant potential for practical applications. The funda…
Continual Learning-Aided Super-Resolution Scheme for Channel Reconstruction and Generalization in OFDM Systems
Jianqiao Chen, Nan Ma, Wenkai Liu +2
Channel reconstruction and generalization capability are of equal importance for developing channel estimation schemes within deep learning (DL) framework. In this paper, we exploi…