3 citations · 9 across the 13 of their papers we have counts for
15 papers
Beamforming Design for Stem-Connected Microwave Linear Analog Computer (MiLAC)-Aided Multiuser MISO Downlinks
Yuchen Zhang, Zheyu Wu, Bruno Clerckx +1
A microwave linear analog computer (MiLAC) is a tunable microwave network that leverages wave propagation to perform computation directly in the analog domain. MiLAC finds promisin…
Microwave Linear Analog Computer (MiLAC)-Aided MIMO Radar Sensing: Transmit Beamforming Design and DoA Estimation
Ziang Liu, Zheyu Wu, Bruno Clerckx
Multiple-input multiple-output (MIMO) radar has waveform diversity and large spatial degrees of freedom (DoFs), making it attractive for high-resolution sensing. Scaling MIMO radar…
Asymptotic Analysis of Nonlinear One-Bit Precoding in Massive MIMO Systems via Approximate Message Passing
Zheyu Wu, Junjie Ma, Ya-Feng Liu +1
Massive multiple-input multiple-output (MIMO) systems employing one-bit digital-to-analog converters offer a hardware-efficient solution for wireless communications. However, the o…
Optimization of Beyond Diagonal RIS: A Universal Framework Applicable to Arbitrary Architectures
Zheyu Wu, Bruno Clerckx
Reconfigurable intelligent surfaces (RISs) are envisioned as a promising technology for future wireless communication systems due to their ability to control the propagation enviro…
An Efficient Convex-Hull Relaxation Based Algorithm for Multi-User Discrete Passive Beamforming
Wenhai Lai, Zheyu Wu, Yi Feng +2
Intelligent reflecting surface (IRS) is an emerging technology to enhance spatial multiplexing in wireless networks. This letter considers the discrete passive beamforming design f…
Quantized Constant-Envelope Waveform Design for Massive MIMO DFRC Systems
Zheyu Wu, Ya-Feng Liu, Wei-Kun Chen +1
Both dual-functional radar-communication (DFRC) and massive multiple-input multiple-output (MIMO) have been recognized as enabling technologies for 6G wireless networks. This paper…
A Survey of Recent Advances in Optimization Methods for Wireless Communications
Ya-Feng Liu, Tsung-Hui Chang, Mingyi Hong +4
Mathematical optimization is now widely regarded as an indispensable modeling and solution tool for the design of wireless communications systems. While optimization has played a s…
Robust Super-Resolution Imaging Based on a Ring Core Fiber with Orbital Angular Momentum
Zheyu Wu, Ran Gao, Sitong Zhou +8
Single fiber imaging technology offers unique insights for research and inspection in difficult to reach and narrow spaces. In particular, ultra-compact multimode fiber (MMF) imagi…
Asymptotic SEP Analysis and Optimization of Linear-Quantized Precoding in Massive MIMO Systems
Zheyu Wu, Junjie Ma, Ya-Feng Liu +1
A promising approach to deal with the high hardware cost and energy consumption of massive MIMO transmitters is to use low-resolution digital-to-analog converters (DACs) at each an…
Linear One-Bit Precoding in Massive MIMO: Asymptotic SEP Analysis and Optimization
Zheyu Wu, Junjie Ma, Ya-Feng Liu +1
This paper focuses on the analysis and optimization of a class of linear one-bit precoding schemes for a downlink massive MIMO system under Rayleigh fading channels. The considered…
An Efficient Benders Decomposition Approach for Optimal Large-Scale Network Slicing
Wei-Kun Chen, Zheyu Wu, Rui-Jin Zhang +3
This paper considers the network slicing (NS) problem which attempts to map multiple customized virtual network requests to a common shared network infrastructure and allocate netw…
Diversity Order Analysis for Quantized Constant Envelope Transmission
Zheyu Wu, Jiageng Wu, Wei-Kun Chen +1
Quantized constant envelope (QCE) transmission is a popular and effective technique to reduce the hardware cost and improve the power efficiency of 5G and beyond systems equipped w…
Efficient Quantized Constant Envelope Precoding for Multiuser Downlink Massive MIMO Systems
Zheyu Wu, Ya-Feng Liu, Bo Jiang +1
Quantized constant envelope (QCE) precoding, a new transmission scheme that only discrete QCE transmit signals are allowed at each antenna, has gained growing research interests du…
Efficient CI-Based One-Bit Precoding for Multiuser Downlink Massive MIMO Systems with PSK Modulation
Zheyu Wu, Bo Jiang, Ya-Feng Liu +2
In this paper, we consider the one-bit precoding problem for the multiuser downlink massive multiple-input multiple-output (MIMO) system with phase shift keying (PSK) modulation. W…
A Novel Negative Penalty Approach for Multiuser One-Bit Massive MIMO Downlink with PSK Signaling
Zheyu Wu, Bo Jiang, Ya-Feng Liu +1
This paper considers the one-bit precoding problem for the multiuser downlink massive multiple-input multiple-output (MIMO) system with phase shift keying (PSK) modulation and focu…