14 citations · 76 across the 28 of their papers we have counts for
11 papers · 1 filter
Variational Bayesian Multiuser Tracking for Reconfigurable Intelligent Surface Aided MIMO-OFDM Systems
Boyu Teng, Xiaojun Yuan, Rui Wang
Reconfigurable intelligent surface (RIS) has attracted enormous interest for its potential advantages in assisting both wireless communication and environmental sensing. In this pa…
Cooperative Multi-Cell Massive Access with Temporally Correlated Activity
Weifeng Zhu, Meixia Tao, Xiaojun Yuan +2
This paper investigates the problem of activity detection and channel estimation in cooperative multi-cell massive access systems with temporally correlated activity, where all acc…
Over-the-Air Federated Learning Over MIMO Channels: A Sparse-Coded Multiplexing Approach
Chenxi Zhong, Xiaojun Yuan
The communication bottleneck of over-the-air federated learning (OA-FL) lies in uploading the gradients of local learning models. In this paper, we study the reduction of the commu…
OFDM-Based Massive Connectivity for LEO Satellite Internet of Things
Yong Zuo, Mingyang Yue, Mingchen Zhang +3
Low earth orbit (LEO) satellite has been considered as a potential supplement for the terrestrial Internet of Things (IoT). In this paper, we consider grant-free non-orthogonal ran…
Hybrid Offline-Online Design for Reconfigurable Intelligent Surface Aided UAV Communication
Kaiyuan Tian, Bin Duo, Xiaojun Yuan +1
This letter considers the reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication systems in urban areas under the general Rician fading channel.…
Reconfigurable Intelligent Surface Aided Constant-Envelope Wireless Power Transfer
Huiyuan Yang, Xiaojun Yuan, Jun Fang +1
By reconfiguring the propagation environment of electromagnetic waves artificially, reconfigurable intelligent surfaces (RISs) have been regarded as a promising and revolutionary h…