301 citations · 989 across the 70 of their papers we have counts for
19 papers · 1 filter
Movable Intelligent Surface (MIS) for Wireless Communications: Architecture, Modeling, Algorithm, and Prototyping
Ziyuan Zheng, Qingqing Wu, Wen Chen +2
Reconfigurable intelligent surfaces enhance wireless systems by reshaping propagation environments. However, dynamic metasurfaces (MSs) with numerous phase-shift elements incur und…
Spatial Multiplexing Oriented Channel Reconfiguration in Multi-IRS Aided MIMO Systems
Yuxuan Chen, Qingqing Wu, Guangji Chen +1
Spatial multiplexing plays a significant role in improving the capacity of multiple-input multiple-output (MIMO) communication systems. To improve the spectral efficiency (SE) of a…
Beamforming Design for Intelligent Reffecting Surface Aided Near-Field THz Communications
Chi Qiu, Qingqing Wu, Wen Chen +4
Intelligent reflecting surface (IRS) operating in the terahertz (THz) band has recently gained considerable interest due to its high spectrum bandwidth. Due to the exploitation of…
Two-Timescale Design for Movable Antenna-Enabled Multiuser MIMO Systems
Ziyuan Zheng, Qingqing Wu, Wen Chen +1
Movable antennas (MAs), which can be swiftly repositioned within a defined region, offer a promising solution to the limitations of fixed-position antennas (FPAs) in adapting to sp…
Movable Antennas Enabled Wireless-Powered NOMA: Continuous and Discrete Positioning Designs
Ying Gao, Qingqing Wu, Wen Chen
This paper investigates a movable antenna (MA)-enabled wireless-powered communication network (WPCN), where multiple wireless devices (WDs) first harvest energy from the downlink (…
Energy-Aware UAV-Enabled Target Tracking: Online Optimization with Location Constraints
Yifan Jiang, Qingqing Wu, Wen Chen +1
For unmanned aerial vehicle (UAV) trajectory design, the total propulsion energy consumption and initial-final location constraints are practical factors to consider. However, unli…
Suppressing Beam Squint Effect For Near-Field Wideband Communication Through Movable Antennas
Yanze Zhu, Qingqing Wu, Yang Liu +2
In this correspondence, we study deploying movable antenna (MA) array in a wideband multiple-input-single-output (MISO) communication system, where near-field (NF) channel model is…
Multi-Functional Beamforming Design for Integrated Sensing, Communication, and Computation
Yapeng Zhao, Qingqing Wu, Wen Chen +5
Integrated sensing and communication (ISAC) systems may face a heavy computation burden since the sensory data needs to be further processed. This paper studies a novel system that…
Multiple Intelligent Reflecting Surfaces Collaborative Wireless Localization System
Ziheng Zhang, Wen Chen, Qingqing Wu +4
This paper studies a multiple intelligent reflecting surfaces (IRSs) collaborative localization system where multiple semi-passive IRSs are deployed in the network to locate one or…
Movable Antenna Empowered Downlink NOMA Systems: Power Allocation and Antenna Position Optimization
Yufeng Zhou, Wen Chen, Qingqing Wu +2
This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink…
Movable Antenna Enabled Interference Network: Joint Antenna Position and Beamforming Design
Honghao Wang, Qingqing Wu, Wen Chen
This paper investigates the utility of movable antenna (MA) assistance for the multiple-input single-output (MISO) interference channel. We exploit an additional design degree of f…
Joint Transmitter and Receiver Design for Movable Antenna Enhanced Multicast Communications
Ying Gao, Qingqing Wu, Wen Chen
Movable antenna (MA) is an emerging technology that utilizes localized antenna movement to achieve better channel conditions for enhancing communication performance. In this paper,…
Elements Allocation for Joint Active and Passive IRS Aided Wireless Communications: A Rate-Maximization Perspective
Chaoying Huang, Wen Chen, Qingqing Wu +1
Unlike previous works that focused solely on passive intelligent reflecting surface (PIRS) or active IRS (AIRS), a novel joint AIRS and PIRS architecture has been developed to flex…
Performance Evaluation of RIS-Assisted Spatial Modulation for Downlink Transmission
Xusheng Zhu, Qingqing Wu, Wen Chen
This paper explores the performance of reconfigurable intelligent surface (RIS) assisted spatial modulation (SM) downlink communication systems, focusing on the average bit error p…
Transmissive RIS Transmitter Enabled Spatial Modulation for MIMO Systems
Xusheng Zhu, Qingqing Wu, Wen Chen
In this paper, we propose a novel transmissive reconfigurable intelligent surface (TRIS) transmitter-enabled spatial modulation (SM) multiple-input multiple-output (MIMO) system. I…
Semi-Passive Intelligent Reflecting Surface Enabled Sensing Systems
Qiaoyan Peng, Qingqing Wu, Wen Chen +3
Intelligent reflecting surface (IRS) has garnered growing interest and attention due to its potential for facilitating and supporting wireless communications and sensing. This pape…
On the Performance of RIS-Aided Spatial Modulation for Downlink Transmission
Xusheng Zhu, Qingqing Wu, Wen Chen
In this study, we explore the performance of a reconfigurable reflecting surface (RIS)-assisted transmit spatial modulation (SM) system for downlink transmission, wherein the deplo…
UAV-enabled Integrated Sensing and Communication: Tracking Design and Optimization
Yifan Jiang, Qingqing Wu, Wen Chen +1
Integrated sensing and communications (ISAC) enabled by unmanned aerial vehicles (UAVs) is a promising technology to facilitate target tracking applications. In contrast to convent…
IRS-Aided Multi-Antenna Wireless Powered Communications in Interference Channels
Ying Gao, Qingqing Wu, Wen Chen
This paper investigates intelligent reflecting surface (IRS)-aided multi-antenna wireless powered communications in a multi-link interference channel, where multiple IRSs are deplo…