92 citations · 124 across the 20 of their papers we have counts for
15 papers · 1 filter
MSE-Based Training and Transmission Optimization for MIMO ISAC Systems
Zhenyao He, Wei Xu, Hong Shen +2
In this paper, we investigate a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system under typical block-fading channels. As a non-trivial exten…
Unlocking Potentials of Near-Field Propagation: ELAA-Empowered Integrated Sensing and Communication
Zhenyao He, Wei Xu, Zhaohui Yang +5
The exploration of extremely large antenna arrays (ELAAs) using high-frequency spectrum has led to a paradigm shift in electromagnetic radiation field, transitioning from the commo…
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…
Integrated sensing and full-duplex communication: Joint transceiver beamforming and power allocation
Zhenyao He, Wei Xu, Hong Shen +3
Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve…
Full-Duplex Communication for ISAC: Joint Beamforming and Power Optimization
Zhenyao He, Wei Xu, Hong Shen +3
Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve…
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…
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,…
Beamforming Optimization for IRS-Aided Communications with Transceiver Hardware Impairments
Hong Shen, Wei Xu, Shulei Gong +2
In this paper, we focus on intelligent reflecting surface (IRS) assisted multi-antenna communications with transceiver hardware impairments encountered in practice. In particular,…
Beamforming Design with Fast Convergence for IRS-Aided Full-Duplex Communication
Hong Shen, Tian Ding, Wei Xu +1
We study the beamforming optimization for an intelligent reflecting surface (IRS)-aided full-duplex (FD) communication system in this letter. Specifically, we maximize the sum rate…
On Uplink Performance of Multiuser Massive MIMO Relay Network With Limited RF Chains
Jindan Xu, Yucheng Wang, Wei Xu +3
This paper considers a multiuser massive multiple-input multiple-output uplink with the help of an analog amplify-and-forward relay. The base station equips a large array of …
Secrecy Rate Maximization for Intelligent Reflecting Surface Assisted Multi-Antenna Communications
Hong Shen, Wei Xu, Shulei Gong +2
We investigate transmission optimization for intelligent reflecting surface (IRS) assisted multi-antenna systems from the physical-layer security perspective. The design goal is to…
MIMO Channel Information Feedback Using Deep Recurrent Network
Chao Lu, Wei Xu, Hong Shen +2
In a multiple-input multiple-output (MIMO) system, the availability of channel state information (CSI) at the transmitter is essential for performance improvement. Recent convoluti…
An Enhanced SCMA Detector Enabled by Deep Neural Network
Chao Lu, Wei Xu, Hong Shen +2
In this paper, we propose a learning approach for sparse code multiple access (SCMA) signal detection by using a deep neural network via unfolding the procedure of message passing…
Utility-Energy Efficiency Oriented User Association with Power Control in Heterogeneous Networks
Xietian Huang, Wei Xu, Hong Shen +2
This letter investigates optimizing utility-energy efficiency (UEE), defined as the achieved network utility when consuming a unit of power, rather than a typical energy efficiency…
Hybrid Precoding Architecture for Massive Multiuser MIMO with Dissipation: Sub-Connected or Fully-Connected Structures?
Jingbo Du, Wei Xu, Hong Shen +2
In this paper, we study the hybrid precoding structures over limited feedback channels for massive multiuser multiple-input multiple-output (MIMO) systems. We focus on the system p…