301 citations · 331 across the 38 of their papers we have counts for
18 papers · 1 filter
Beamforming Design and Multi-User Scheduling in Transmissive RIS Enabled Distributed Cooperative ISAC Networks with RSMA
Ziwei Liu, Wen Chen, Qingqing Wu +4
In this paper, we propose a novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered distributed cooperative integrated sensing and communication (ISAC) n…
Intelligent Reflecting Surface Aided AirComp: Multi-Timescale Design and Performance Analysis
Guangji Chen, Jun Li, Qingqing Wu +3
The integration of intelligent reflecting surface (IRS) into over-the-air computation (AirComp) is an effective solution for reducing the computational mean squared error (MSE) via…
Robust Analysis of Full-Duplex Two-Way Space Shift Keying With RIS Systems
Xusheng Zhu, Wen Chen, Qingqing Wu +3
Reconfigurable intelligent surface (RIS)-assisted index modulation system schemes are considered a promising technology for sixth-generation (6G) wireless communication systems, wh…
Fairness Optimization for Intelligent Reflecting Surface Aided Uplink Rate-Splitting Multiple Access
Shanshan Zhang, Wen Chen, Qingqing Wu +3
This paper studies the fair transmission design for an intelligent reflecting surface (IRS) aided rate-splitting multiple access (RSMA). IRS is used to establish a good signal prop…
Rate-Splitting Multiple Access for Transmissive Reconfigurable Intelligent Surface Transceiver Empowered ISAC System
Ziwei Liu, Wen Chen, Qingqing Wu +4
In this paper, a novel transmissive reconfigurable intelligent surface (TRIS) transceiver empowered integrated sensing and communications (ISAC) system is proposed for future multi…
Reconfigurable Intelligent Surface Aided Space Shift Keying With Imperfect CSI
Xusheng Zhu, Wen Chen, Qingqing Wu +4
In this paper, we investigate the performance of reconfigurable intelligent surface (RIS)-aided spatial shift keying (SSK) wireless communication systems with imperfect channel sta…
Performance Analysis of RIS-Aided Double Spatial Scattering Modulation for mmWave MIMO Systems
Xusheng Zhu, Wen Chen, Qingqing Wu +4
In this paper, we investigate a practical structure of reconfigurable intelligent surface (RIS)-based double spatial scattering modulation (DSSM) for millimeter-wave (mmWave) multi…
Intelligent Reflecting Surface Aided MIMO Networks: Distributed or Centralized Architecture?
Guangji Chen, Qingqing Wu, Wen Chen +4
We investigate the capacity of a broadcast channel with a multi-antenna base station (BS) sending independent messages to multiple users, aided by IRSs with N elements. In particul…
On the Performance of RIS-Aided Spatial Scattering Modulation for mmWave Transmission
Xusheng Zhu, Wen Chen, Zhendong Li +4
In this paper, we investigate a state-of-the-art reconfigurable intelligent surface (RIS)-assisted spatial scattering modulation (SSM) scheme for millimeter-wave (mmWave) systems,…
Deep Reinforcement Learning Based Intelligent Reflecting Surface Optimization for TDD MultiUser MIMO Systems
Fengyu Zhao, Wen Chen, Ziwei Liu +2
In this letter, we investigate the discrete phase shift design of the intelligent reflecting surface (IRS) in a time division duplexing (TDD) multi-user multiple input multiple out…
Performance of RIS-Assisted Full-Duplex Space Shift Keying With Imperfect Self-Interference Cancellation
Xusheng Zhu, Wen Chen, Qingqing Wu +2
In this paper, we consider a full-duplex (FD) space shift keying (SSK) communication system, where information exchange between two users is assisted only by a reconfigurable intel…
RIS-Aided Spatial Scattering Modulation for mmWave MIMO Transmissions
Xusheng Zhu, Wen Chen, Zhendong Li +4
This paper investigates the reconfigurable intelligent surface (RIS) assisted spatial scattering modulation (SSM) scheme for millimeter-wave (mmWave) multiple-input multiple-output…
Quadrature Spatial Scattering Modulation for mmWave Transmission
Xusheng Zhu, Wen Chen, Zhendong Li +2
In this letter, we investigate a novel quadrature spatial scattering modulation (QSSM) transmission technique based on millimeter wave (mmWave) systems, in which the transmitter ge…
Throughput Maximization for UAV-enabled Integrated Periodic Sensing and Communication
Kaitao Meng, Qingqing Wu, Shaodan Ma +3
Unmanned aerial vehicle (UAV) is expected to revolutionize the existing integrated sensing and communication (ISAC) system and promise a more flexible joint design. Nevertheless, t…
Design and Optimization for Transmissive RIS Transceiver Enabled Uplink Communication Systems
Zhendong Li, Wen Chen, Qingqing Wu +2
In this paper, a novel transmissive reconfigurable intelligent surface (RIS) enabled uplink communication system with orthogonal frequency division multiple access (OFDMA) is inves…
IRS-Aided WPCNs: A New Optimization Framework for Dynamic IRS Beamforming
Qingqing Wu, Xiaobo Zhou, Wen Chen +2
In this paper, we propose a new dynamic IRS beamforming framework to boost the sum throughput of an intelligent reflecting surface (IRS) aided wireless powered communication networ…
Robust Beamforming Design and Time Allocation for IRS-assisted Wireless Powered Communication Networks
Zhendong Li, Wen Chen, Qingqing Wu +3
In this paper, a novel intelligent reflecting surface (IRS)-assisted wireless powered communication network (WPCN) architecture is proposed for power-constrained Internet-of-Things…
Joint Beamforming Design and Power Splitting Optimization in IRS-Assisted SWIPT NOMA Networks
Zhendong Li, Wen Chen, Qingqing Wu +2
This paper proposes a novel network framework of intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) non-orthogonal multiple…