73 citations · 251 across the 33 of their papers we have counts for
34 papers
Robust ISAC Transceiver Beamforming Design under Low-Resolution AD/DA Converters
Tiantian Xu, Zhenyao He, Jindan Xu +3
In this letter, we investigate the robust beamforming design for an integrated sensing and communication (ISAC) system featuring low-resolution digital-to-analog converters (DACs)…
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…
Multi-Cell Coordinated Beamforming for Integrate Communication and Multi-TMT Localization
Meidong Xia, Wei Xu, Jindan Xu +3
This paper investigates integrated localization and communication in a multi-cell system and proposes a coordinated beamforming algorithm to enhance target localization accuracy wh…
Combating Interference for Over-the-Air Federated Learning: A Statistical Approach via RIS
Wei Shi, Jiacheng Yao, Wei Xu +4
Over-the-air computation (AirComp) integrates analog communication with task-oriented computation, serving as a key enabling technique for communication-efficient federated learnin…
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…
Empowering Over-the-Air Personalized Federated Learning via RIS
Wei Shi, Jiacheng Yao, Jindan Xu +3
Over-the-air computation (AirComp) integrates analog communication with task-oriented computation, serving as a key enabling technique for communication-efficient federated learnin…
Joint MIMO Transceiver and Reflector Design for Reconfigurable Intelligent Surface-Assisted Communication
Yaqiong Zhao, Jindan Xu, Wei Xu +4
In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output communication system with multiple antennas at both the base station (…
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…
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…
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…
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…
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…
Secure Communication for Spatially Correlated Massive MIMO with Low-Resolution DACs
Dan Yang, Jindan Xu, Wei Xu +3
In this paper, the performance of a secure massive multiple-input multiple-output (MIMO) system adopting low-resolution digital-to-analog converters (DACs) is analyzed over spatial…
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…
A Universal Framework of Superimposed RIS-Phase Modulation for MISO Communication
Jiacheng Yao, Jindan Xu, Wei Xu +2
To fully exploit the additional dimension brought by reconfigurable intelligent surface (RIS), it is recently suggested by information theory that modulating information upon RIS p…
Secure Outage Analysis of RIS-Assisted Communications with Discrete Phase Control
Wei Shi, Jindan Xu, Wei Xu +2
This correspondence investigates a reconfigurable intelligent surface (RIS)-assisted wireless communication system with security threats. The RIS is deployed to enhance the secrecy…
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…
Worst-case Design for RIS-aided Over-the-air Computation with Imperfect CSI
Wenhui Zhang, Jindan Xu, Wei Xu +2
Over-the-air computation (AirComp) enables fast wireless data aggregation at the receiver through concurrent transmission by sensors in the application of Internet-of-Things (IoT).…
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.…
Data Augmentation Empowered Neural Precoding for Multiuser MIMO with MMSE Model
Shaoqing Zhang, Jindan Xu, Wei Xu +3
Precoding design exploiting deep learning methods has been widely studied for multiuser multiple-input multiple-output (MU-MIMO) systems. However, conventional neural precoding des…
RIS-Assisted Quasi-Static Broad Coverage for Wideband mmWave Massive MIMO Systems
Muxin He, Jindan Xu, Wei Xu +3
Reconfigurable intelligent surfaces (RISs) can establish favorable wireless environments to combat the severe attenuation and blockages in millimeter-wave (mmWave) bands. However,…