301 citations · 989 across the 70 of their papers we have counts for
20 papers · 1 filter
Intelligent Surface Empowered Integrated Sensing and Communication: From Coexistence to Reciprocity
Kaitao Meng, Qingqing Wu, Christos Masouros +2
Integrated sensing and communication (ISAC) has attracted growing interests for sixth-generation (6G) and beyond wireless networks. The primary challenges faced by highly efficient…
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,…
Intelligent Reflecting Surface Aided Multi-Tier Hybrid Computing
Yapeng Zhao, Qingqing Wu, Guangji Chen +5
The digital twin edge network (DITEN) aims to integrate mobile edge computing (MEC) and digital twin (DT) to provide real-time system configuration and flexible resource allocation…
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…
Robust Weighted Sum-Rate Maximization for Transmissive RIS Transmitter Enabled RSMA Networks
Bojiang Li, Wen Chen, Zhendong Li +4
Due to the low power consumption and low cost nature of transmissive reconfigurable intelligent surface (RIS),in this paper, we propose a downlink multi-user rate-splitting multipl…
Intelligent Reflecting Surface Assisted Multi-Cluster AirComp via Dynamic Beamforming
Yapeng Zhao, Qingqing Wu, Wen Chen +2
This paper studies an multi-cluster over-the-air computation (AirComp) system, where an intelligent reflecting surface (IRS) assists the signal transmission from devices to an acce…
Intelligent Omni Surfaces assisted Integrated Multi Target Sensing and Multi User MIMO Communications
Ziheng Zhang, Wen Chen, Qingqing Wu +3
Drawing inspiration from the advantages of intelligent reflecting surfaces (IRS) in wireless networks,this paper presents a novel design for intelligent omni surface (IOS) enabled…
Performance Analysis of RIS-Aided Space Shift Keying With Channel Estimation Errors
Xusheng Zhu, Wen Chen, Qingqing Wu +1
In this paper, we investigate the reconfigurable intelligent surface (RIS) assisted space shift keying (SSK) downlink communication systems under the imperfect channel state inform…
Cooperative Cellular Localization with Intelligent Reflecting Surface: Design, Analysis and Optimization
Kaitao Meng, Qingqing Wu, Wen Chen +1
Autonomous driving and intelligent transportation applications have dramatically increased the demand for high-accuracy and low-latency localization services. While cellular networ…
IRS-Aided Overloaded Multi-Antenna Systems: Joint User Grouping and Resource Allocation
Ying Gao, Qingqing Wu, Wen Chen +3
This paper studies an intelligent reflecting surface (IRS)-aided multi-antenna simultaneous wireless information and power transfer (SWIPT) system where an -antenna access point…
Hybrid Active-Passive IRS Assisted Energy-Efficient Wireless Communication
Qiaoyan Peng, Qingqing Wu, Guangji Chen +3
Deploying active reflecting elements at the intelligent reflecting surface (IRS) increases signal amplification capability but incurs higher power consumption. Therefore, it remain…
Intelligent Reflecting Surface Empowered Self-Interference Cancellation in Full-Duplex Systems
Chi Qiu, Meng Hua, Qingqing Wu +5
Compared with traditional half-duplex wireless systems, the application of emerging full-duplex (FD) technology can potentially double the system capacity theoretically. However, c…
Transmissive Reconfigurable Intelligent Surface Transmitter Empowered Cognitive RSMA Networks
Ziwei Liu, Wen Chen, Zhendong Li +3
In this paper, we investigated the downlink transmission problem of a cognitive radio network (CRN) equipped with a novel transmissive reconfigurable intelligent surface (TRIS) tra…
Resource Allocation in the RIS Assisted SCMA Cellular Network Coexisting with D2D Communications
Yukai Liu, Wen Chen, Kunlun Wang
The cellular network coexisting with device-to-device (D2D) communications has been studied extensively. Reconfigurable intelligent surface (RIS) and non-orthogonal multiple access…
Joint Device Activity Detection, Channel Estimation and Signal Detection for Massive Grant-free Access via BiGAMP
Shanshan Zhang, Ying Cui, Wen Chen
Massive access has been challenging for the fifth generation (5G) and beyond since the abundance of devices causes communication overload to skyrocket. In an uplink massive access…
Static IRS Meets Distributed MIMO: A New Architecture for Dynamic Beamforming
Guangji Chen, Qingqing Wu, Celimuge Wu +3
Intelligent reflecting surface (IRS) has been considered as a revolutionary technology to enhance the wireless communication performance. To cater for multiple mobile users, adjust…
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…
Exploiting Intelligent Reflecting Surfaces for Interference Channels with SWIPT
Ying Gao, Qingqing Wu, Wen Chen +3
This paper considers intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) in a multi-user multiple-input single-output (MISO) int…