654 citations · 782 across the 19 of their papers we have counts for
19 papers
Sensing-Aided Channel Estimation for Near-Field MIMO ISAC Systems via Cross-Attention Transformer
Peihao Dong, Renbin Li, Shen Gao +4
Near-field integrated sensing and communication (ISAC) can deliver the high spatial resolution and transmission capability with the shared spectrum and hardware. Due to the partial…
Joint RIS-UE Association and Beamforming Design in RIS-Assisted Cell-Free MIMO Network
Hongqin Ke, Jindan Xu, Wei Xu +2
Reconfigurable intelligent surface (RIS)-assisted cell-free (CF) multiple-input multiple-output (MIMO) networks can significantly enhance system performance. However, the extensive…
On Performance of Distributed RIS-aided Communication in Random Networks
Jindan Xu, Wei Xu, Chau Yuen
This paper evaluates the geometrically averaged performance of a wireless communication network assisted by a multitude of distributed reconfigurable intelligent surfaces (RISs), w…
Spatially Correlated RIS-Aided Secure Massive MIMO Under CSI and Hardware Imperfections
Dan Yang, Jindan Xu, Wei Xu +4
This paper investigates the integration of a reconfigurable intelligent surface (RIS) into a secure multiuser massive multiple-input multiple-output (MIMO) system in the presence o…
Joint Training and Reflection Pattern Optimization for Non-Ideal RIS-Aided Multiuser Systems
Zhenyao He, Jindan Xu, Hong Shen +3
Reconfigurable intelligent surface (RIS) is a promising technique to improve the performance of future wireless communication systems at low energy consumption. To reap the potenti…
Deep CSI Compression for Dual-Polarized Massive MIMO Channels with Disentangled Representation Learning
Suhang Fan, Wei Xu, Renjie Xie +3
Channel state information (CSI) feedback is critical for achieving the promised advantages of enhancing spectral and energy efficiencies in massive multiple-input multiple-output (…
Secure Outage Analysis for RIS-Aided MISO Systems with Randomly Located Eavesdroppers
Wei Shi, Jindan Xu, Wei Xu +4
In this paper, we consider the physical layer security of an RIS-assisted multiple-antenna communication system with randomly located eavesdroppers. The exact distributions of the…
Probabilistic Semantic Communication over Wireless Networks with Rate Splitting
Zhouxiang Zhao, Zhaohui Yang, Ye Hu +3
In this paper, the problem of joint transmission and computation resource allocation for probabilistic semantic communication (PSC) system with rate splitting multiple access (RSMA…
Low-Complexity Channel Estimation for Extremely Large-Scale MIMO in Near Field
Chun Huang, Jindan Xu, Wei Xu +3
The extremely large-scale massive multiple-input multiple-output (XL-MIMO) has the potential to achieve boosted spectral efficiency and refined spatial resolution for future wirele…
On Secrecy Performance of RIS-Assisted MISO Systems over Rician Channels with Spatially Random Eavesdroppers
Wei Shi, Jindan Xu, Wei Xu +3
Reconfigurable intelligent surface (RIS) technology is emerging as a promising technique for performance enhancement for next-generation wireless networks. This paper investigates…
Dual-Propagation-Feature Fusion Enhanced Neural CSI Compression for Massive MIMO
Shaoqing Zhang, Wei Xu, Shi Jin +3
Due to the ability of feature extraction, deep learning (DL)-based methods have been recently applied to channel state information (CSI) compression feedback in massive multiple-in…
GoMORE: Global Model Reuse for Resource-Constrained Wireless Federated Learning
Jiacheng Yao, Zhaohui Yang, Wei Xu +2
Due to the dynamics of wireless environment and limited bandwidth, wireless federated learning (FL) is challenged by frequent transmission errors and incomplete aggregation from de…
Self-information Domain-based Neural CSI Compression with Feature Coupling
Ziqing Yin, Renjie Xie, Wei Xu +2
Deep learning (DL)-based channel state information (CSI) feedback methods compressed the CSI matrix by exploiting its delay and angle features straightforwardly, while the measure…
Secure Communication for Spatially Correlated RIS-Aided Multiuser Massive MIMO Systems: Analysis and Optimization
Dan Yang, Jindan Xu, Wei Xu +2
This letter investigates the secure communication in a reconfigurable intelligent surface (RIS)-aided multiuser massive multiple-input multiple-output (MIMO) system exploiting arti…
Intelligent MIMO Detection Using Meta Learning
Haomiao Huo, Jindan Xu, Gege Su +2
In a K-best detector for multiple-input-multiple-output(MIMO) systems, the value of K needs to be sufficiently large to achieve near-maximum-likelihood (ML) performance. By treatin…
Edge Learning for B5G Networks with Distributed Signal Processing: Semantic Communication, Edge Computing, and Wireless Sensing
Wei Xu, Zhaohui Yang, Derrick Wing Kwan Ng +3
To process and transfer large amounts of data in emerging wireless services, it has become increasingly appealing to exploit distributed data communication and learning. Specifical…
Energy Efficient Beamforming Optimization for Integrated Sensing and Communication
Zhenyao He, Wei Xu, Hong Shen +2
This paper investigates the optimization of beamforming design in a system with integrated sensing and communication (ISAC), where the base station (BS) sends signals for simultane…
Distributed Neural Precoding for Hybrid mmWave MIMO Communications with Limited Feedback
Kai Wei, Jindan Xu, Wei Xu +2
Hybrid precoding is a cost-efficient technique for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) communications. This paper proposes a deep learning approa…
Learning to Optimize Resource Assignment for Task Offloading in Mobile Edge Computing
Yurong Qian, Jindan Xu, Shuhan Zhu +3
In this paper, we consider a multiuser mobile edge computing (MEC) system, where a mixed-integer offloading strategy is used to assist the resource assignment for task offloading.…