1.5k citations · 2.2k across the 54 of their papers we have counts for
41 papers · 1 filter
Near-Field Communication with Massive Movable Antennas: An Electrostatic Equilibrium Perspective
Shicong Liu, Xianghao Yu, Shenghui Song +1
Recent advancements in large-scale position-reconfigurable antennas have opened up new dimensions to effectively utilize the spatial degrees of freedom (DoFs) of wireless channels.…
Beamforming for PIN Diode-Based IRS-Assisted Systems Under a Phase Shift-Dependent Power Consumption Model
Qiucen Wu, Tian Lin, Xianghao Yu +2
Intelligent reflecting surfaces (IRSs) have been regarded as a promising enabler for future wireless communication systems. In the literature, IRSs have been considered power-free…
Interference Mitigation for Network-Level ISAC: An Optimization Perspective
Dongfang Xu, Yiming Xu, Xin Zhang +3
Future wireless networks are envisioned to simultaneously provide high data-rate communication and ubiquitous environment-aware services for numerous users. One promising approach…
DPSS-based Codebook Design for Near-Field XL-MIMO Channel Estimation
Shicong Liu, Xianghao Yu, Zhen Gao +1
Future sixth-generation (6G) systems are expected to leverage extremely large-scale multiple-input multiple-output (XL-MIMO) technology, which significantly expands the range of th…
Message Passing Meets Graph Neural Networks: A New Paradigm for Massive MIMO Systems
Hengtao He, Xianghao Yu, Jun Zhang +2
As one of the core technologies for 5G systems, massive multiple-input multiple-output (MIMO) introduces dramatic capacity improvements along with very high beamforming and spatial…
Lightweight and Flexible Deep Equilibrium Learning for CSI Feedback in FDD Massive MIMO
Yifan Ma, Wentao Yu, Xianghao Yu +3
In frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems, downlink channel state information (CSI) needs to be sent back to the base station (BS)…
Integrated Sensing and Communication in Distributed Antenna Networks
Dongfang Xu, Ata Khalili, Xianghao Yu +2
In this paper, we investigate the resource allocation design for integrated sensing and communication (ISAC) in distributed antenna networks (DANs). In particular, coordinated by a…
Hybrid Precoding for Mixture Use of Phase Shifters and Switches in mmWave Massive MIMO
Chenhao Qi, Qiang Liu, Xianghao Yu +1
A variable-phase-shifter (VPS) architecture with hybrid precoding for mixture use of phase shifters and switches, is proposed for millimeter wave massive multiple-input multiple-ou…
Robust and Secure Resource Allocation for ISAC Systems: A Novel Optimization Framework for Variable-Length Snapshots
Dongfang Xu, Xianghao Yu, Derrick Wing Kwan Ng +2
In this paper, we investigate the robust resource allocation design for secure communication in an integrated sensing and communication (ISAC) system. A multi-antenna dual-function…
GNN-Enhanced Approximate Message Passing for Massive/Ultra-Massive MIMO Detection
Hengtao He, Alva Kosasih, Xianghao Yu +4
Efficient massive/ultra-massive multiple-input multiple-output (MIMO) detection algorithms with satisfactory performance and low complexity are critical to meet the high throughput…
Cell-Free Massive MIMO for 6G Wireless Communication Networks
Hengtao He, Xianghao Yu, Jun Zhang +2
The recently commercialized fifth-generation (5G) wireless communication networks achieved many improvements, including air interface enhancement, spectrum expansion, and network i…
Outage and Finite-SNR DMT Analysis for IRS-aided MIMO Systems: How Large IRSs Need to Be?
Xin Zhang, Xianghao Yu, S. H. Song
Intelligent reflecting surfaces (IRSs) are promising enablers for high-capacity wireless communication systems by constructing favorable channels between the transmitter and receiv…
Cell-Free Massive MIMO Detection: A Distributed Expectation Propagation Approach
Hengtao He, Xianghao Yu, Jun Zhang +2
Cell-free massive MIMO is one of the core technologies for future wireless networks. It is expected to bring enormous benefits, including ultra-high reliability, data throughput, e…
Resource Allocation for Simultaneous Wireless Information and Power Transfer Systems: A Tutorial Overview
Zhiqiang Wei, Xianghao Yu, Derrick Wing Kwan Ng +1
Over the last decade, simultaneous wireless information and power transfer (SWIPT) has become a practical and promising solution for connecting and recharging battery-limited devic…
Distributed Expectation Propagation Detection for Cell-Free Massive MIMO
Hengtao He, Hanqing Wang, Xianghao Yu +3
In cell-free massive MIMO networks, an efficient distributed detection algorithm is of significant importance. In this paper, we propose a distributed expectation propagation (EP)…
Resource Allocation for Active IRS-Assisted Multiuser Communication Systems
Dongfang Xu, Xianghao Yu, Derrick Wing Kwan Ng +1
Intelligent reflecting surfaces (IRSs) are emerging as promising enablers for the next generation of wireless communication systems, because of their ability to customize favorable…
Channel Estimation for IRS-Assisted Millimeter-Wave MIMO Systems: Sparsity-Inspired Approaches
Tian Lin, Xianghao Yu, Yu Zhu +1
Due to their ability to create favorable line-of-sight (LoS) propagation environments, intelligent reflecting surfaces (IRSs) are regarded as promising enablers for future millimet…
Optimal Resource Allocation Design for Large IRS-Assisted SWIPT Systems: A Scalable Optimization Framework
Dongfang Xu, Vahid Jamali, Xianghao Yu +2
In this paper, we study the optimal resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfe…
IRS-aided MIMO Systems over Double-scattering Channels: Impact of Channel Rank Deficiency
Xin Zhang, Xianghao Yu, S. H. Song +1
Intelligent reflecting surfaces (IRSs) are promising enablers for next-generation wireless communications due to their reconfigurability and high energy efficiency in improving poo…
Smart and Reconfigurable Wireless Communications: From IRS Modeling to Algorithm Design
Xianghao Yu, Vahid Jamali, Dongfang Xu +2
Intelligent reflecting surfaces (IRSs) have been introduced into wireless communications systems due to their great potential to smartly customize and reconfigure radio propagation…
IRS-Assisted Green Communication Systems: Provable Convergence and Robust Optimization
Xianghao Yu, Dongfang Xu, Derrick Wing Kwan Ng +1
Intelligent reflecting surfaces (IRSs) are regarded as a key enabler of green wireless communication, due to their capability of customizing favorable wireless propagation environm…
Resource Allocation for Large IRS-Assisted SWIPT Systems with Non-linear Energy Harvesting Model
Dongfang Xu, Xianghao Yu, Vahid Jamali +2
In this paper, we investigate resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWI…
A Low-Complexity Algorithmic Framework for Large-Scale IRS-Assisted Wireless Systems
Yifan Ma, Yifei Shen, Xianghao Yu +3
Intelligent reflecting surfaces (IRSs) are revolutionary enablers for next-generation wireless communication networks, with the ability to customize the radio propagation environme…
Power-Efficient Resource Allocation for Multiuser MISO Systems via Intelligent Reflecting Surfaces
Xianghao Yu, Dongfang Xu, Derrick Wing Kwan Ng +1
Intelligent reflecting surfaces (IRSs) are regarded as key enablers of next-generation wireless communications, due to their capability of customizing the wireless propagation envi…