102 citations · 181 across the 19 of their papers we have counts for
5 papers · 1 filter
Digital Twin Assisted Deep Reinforcement Learning for Online Admission Control in Sliced Network
Zhenyu Tao, Wei Xu, Xiaohu You
The proliferation of diverse wireless services in 5G and beyond has led to the emergence of network slicing technologies. Among these, admission control plays a crucial role in ach…
Wireless Network Digital Twin for 6G: Generative AI as A Key Enabler
Zhenyu Tao, Wei Xu, Yongming Huang +2
Digital twin, which enables emulation, evaluation, and optimization of physical entities through synchronized digital replicas, has gained increasing attention as a promising techn…
Superimposed RIS-phase Modulation for MIMO Communications: A Novel Paradigm of Information Transfer
Jiacheng Yao, Jindan Xu, Wei Xu +2
Reconfigurable intelligent surface (RIS) is regarded as an important enabling technology for the sixth-generation (6G) network. Recently, modulating information in reflection patte…
Imperfect CSI: A Key Factor of Uncertainty to Over-the-Air Federated Learning
Jiacheng Yao, Zhaohui Yang, Wei Xu +2
Over-the-air computation (AirComp) has recently been identified as a prominent technique to enhance communication efficiency of wireless federated learning (FL). This letter invest…
Robust Beamforming Design for RIS-aided Cell-free Systems with CSI Uncertainties and Capacity-limited Backhaul
Jiacheng Yao, Jindan Xu, Wei Xu +3
In this paper, we consider the robust beamforming design in a reconfigurable intelligent surface (RIS)-aided cell-free (CF) system considering the channel state information (CSI) u…