792 citations · 3.8k across the 139 of their papers we have counts for
34 papers · 1 filter
Secure Wireless Communication in RIS-Aided MISO Systems with Hardware Impairments
Gui Zhou, Cunhua Pan, Hong Ren +2
In practice, residual transceiver hardware impairments inevitably lead to distortion noise which causes the performance loss. In this paper, we study the robust transmission design…
Statistical CSI-based Design for Reconfigurable Intelligent Surface-aided Massive MIMO Systems with Direct Links
Kangda Zhi, Cunhua Pan, Hong Ren +1
This paper investigates the performance of reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) systems with direct links, and the phase shi…
Fairness-Oriented Multiple RISs-Aided MmWave Transmission: Stochastic Optimization Methods
Gui Zhou, Cunhua Pan, Hong Ren +2
In millimeter wave (mmWave) systems, it is challenging to ensure the reliable connectivity of communications due to its sensitivity to the presence of blockages. In order to improv…
Joint Power Allocation and Passive Beamforming Design for IRS-Assisted Physical-Layer Service Integration
Boyu Ning, Zhi Chen, Zhongbao Tian +1
Intelligent reflecting surface (IRS) has emerged as an appealing solution to enhance the wireless communication performance by reconfiguring the wireless propagation environment. I…
Outage Constrained Robust Transmission Design for IRS-aided Secure Communications with Direct Communication Links
Sheng Hong, Cunhua Pan, Gui Zhou +2
In this paper, we investigate the robust outage constrained transmission design for an intelligent reflecting surface (IRS) aided secure communication system. We assume that a sing…
Reconfigurable Intelligent Surfaces for 6G Systems: Principles, Applications, and Research Directions
Cunhua Pan, Hong Ren, Kezhi Wang +9
Reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs), are regarded as one of the most promising and revolutionizing techniques for enhancing the spe…
Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission
Zijie Ji, Phee Lep Yeoh, Gaojie Chen +5
In this paper, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We sh…
UAV-Assisted and Intelligent Reflecting Surfaces-Supported Terahertz Communications
Yijin Pan, Kezhi Wang, Cunhua Pan +2
In this paper, unmanned aerial vehicles (UAVs) and intelligent reflective surface (IRS) are utilized to support terahertz (THz) communications. To this end, the joint optimization…
Power Scaling Law Analysis and Phase Shift Optimization of RIS-aided Massive MIMO Systems with Statistical CSI
Kangda Zhi, Cunhua Pan, Hong Ren +1
This paper considers an uplink reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) system with statistical channel state information (CSI).…
Multi-Agent Deep Reinforcement Learning Based Trajectory Planning for Multi-UAV Assisted Mobile Edge Computing
Liang Wang, Kezhi Wang, Cunhua Pan +3
An unmanned aerial vehicle (UAV)-aided mobile edge computing (MEC) framework is proposed, where several UAVs having different trajectories fly over the target area and support the…
Stochastic Learning-Based Robust Beamforming Design for RIS-Aided Millimeter-Wave Systems in the Presence of Random Blockages
Gui Zhou, Cunhua Pan, Hong Ren +3
A fundamental challenge for millimeter wave (mmWave) communications lies in its sensitivity to the presence of blockages, which impact the connectivity of the communication links a…
Sum Rate Maximization for Intelligent Reflecting Surface Assisted Terahertz Communications
Yijin Pan, Kezhi Wang, Cunhua Pan +2
In this paper, an intelligent reflecting surface (IRS) is deployed to assist the terahertz (THz) communications. The molecular absorption causes path loss peaks to appear in the TH…
Low-Complexity Robust Beamforming Design for IRS-Aided MISO Systems with Imperfect Channels
Yasaman Omid, Seyyed MohammadMahdi Shahabi, Cunhua Pan +2
In this paper, large-scale intelligent reflecting sur-face (IRS)-assisted multiple-input single-output (MISO) system is considered in the presence of channel uncertainty. To maximi…
Uplink Achievable Rate of Intelligent Reflecting Surface-Aided Millimeter-Wave Communications with Low-Resolution ADC and Phase Noise
Kangda Zhi, Cunhua Pan, Hong Ren +1
In this paper, we derive the uplink achievable rate expression of intelligent reflecting surface (IRS)-aided millimeter-wave (mmWave) systems, taking into account the phase noise a…
Joint Transmit Power and Placement Optimization for URLLC-enabled UAV Relay Systems
Hong Ren, Cunhua Pan, Kezhi Wang +3
This letter considers an unmanned aerial vehicle (UAV)-enabled relay communication system for delivering latency-critical messages with ultra-high reliability, where the relay is o…
Cost Minimization for Cooperative Computation Framework in MEC Networks
Yijin Pan, Cunhua Pan, Kezhi Wang +2
In this paper, a cooperative task computation framework exploits the computation resource in UEs to accomplish more tasks meanwhile minimizes the power consumption of UEs. The syst…
UAV-Assisted Intelligent Reflecting Surface Symbiotic Radio System
Meng Hua, Luxi Yang, Qingqing Wu +3
This paper investigates a symbiotic unmanned aerial vehicle (UAV)-assisted intelligent reflecting surface (IRS) radio system, where the UAV is leveraged to help the IRS reflect its…
Analysis and Optimization for RIS-Aided Multi-Pair Communications Relying on Statistical CSI
Zhangjie Peng, Tianshu Li, Cunhua Pan +3
In this paper, we investigate a reconfigurable intelligent surface (RIS) aided multi-pair communication system, in which multi-pair users exchange information via an RIS. We derive…
Joint Trajectory and Passive Beamforming Design for Intelligent Reflecting Surface-Aided UAV Communications: A Deep Reinforcement Learning Approach
Liang Wang, Kezhi Wang, Cunhua Pan +1
In this paper, the intelligent reflecting surface (IRS)-aided unmanned aerial vehicle (UAV) communication system is studied, where the UAV is deployed to serve the user equipment (…
User Cooperation for IRS-aided Secure SWIPT MIMO Systems
Gui Zhou, Cunhua Pan, Hong Ren +3
In this paper, intelligent reflecting surface (IRS) is proposed to enhance the physical layer security in the Rician fading channel where the angular direction of the eavesdropper…
Multiuser Full-Duplex Two-Way Communications via Intelligent Reflecting Surface
Zhangjie Peng, Zhenkun Zhang, Cunhua Pan +2
Low-cost passive intelligent reflecting surfaces (IRSs) have recently been envisioned as a revolutionary technology capable of reconfiguring the wireless propagation environment th…
Distributed Resource Scheduling for Large-Scale MEC Systems: A Multi-Agent Ensemble Deep Reinforcement Learning with Imitation Acceleration
Feibo Jiang, Li Dong, Kezhi Wang +2
We consider the optimization of distributed resource scheduling to minimize the sum of task latency and energy consumption for all the Internet of things devices (IoTDs) in a large…
Outage Analysis for Intelligent Reflecting Surface Assisted Vehicular Communication Networks
Jue Wang, Wence Zhang, Xu Bao +2
Vehicular communication is an important application of the fifth generation of mobile communication systems (5G). Due to its low cost and energy efficiency, intelligent reflecting…
Robust Transmission Design for Intelligent Reflecting Surface Aided Secure Communication Systems with Imperfect Cascaded CSI
Sheng Hong, Cunhua Pan, Hong Ren +3
In this paper, we investigate the design of robust and secure transmission in intelligent reflecting surface (IRS) aided wireless communication systems. In particular, a multi-ante…