590 citations · 1.9k across the 75 of their papers we have counts for
24 papers · 1 filter
Device Scheduling for Over-the-Air Federated Learning with Differential Privacy
Na Yan, Kezhi Wang, Cunhua Pan +1
In this paper, we propose a device scheduling scheme for differentially private over-the-air federated learning (DP-OTA-FL) systems, referred to as S-DPOTAFL, where the privacy of…
Toward Secure and Private Over-the-Air Federated Learning
Na Yan, Kezhi Wang, Kangda Zhi +3
In this paper, a novel secure and private over-the-air federated learning (SP-OTA-FL) framework is studied where noise is employed to protect data privacy and system security. Spec…
Self-Sustainable Reconfigurable Intelligent Surface Aided Simultaneous Terahertz Information and Power Transfer (STIPT)
Yijin Pan, Kezhi Wang, Cunhua Pan +2
This paper proposes a new simultaneous terahertz (THz) information and power transfer (STIPT) system, which is assisted by reconfigurable intelligent surface (RIS) for both the inf…
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…
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…
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…
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…
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…
Robust Beamforming Design for Intelligent Reflecting Surface Aided Cognitive Radio Systems with Imperfect Cascaded CSI
Lei Zhang, Cunhua Pan, Yu Wang +2
In this paper, intelligent reflecting surface (IRS) is introduced to enhance the network performance of cognitive radio (CR) systems. Specifically, we investigate robust beamformin…
Artificial-Noise-Aided Secure MIMO Wireless Communications via Intelligent Reflecting Surface
Sheng Hong, Cunhua Pan, Hong Ren +2
This paper considers a MIMO secure wireless communication system aided by the physical layer security technique of sending artificial noise (AN). To further enhance the system secu…
AI Driven Heterogeneous MEC System with UAV Assistance for Dynamic Environment -- Challenges and Solutions
Feibo Jiang, Kezhi Wang, Li Dong +3
By taking full advantage of Computing, Communication and Caching (3C) resources at the network edge, Mobile Edge Computing (MEC) is envisioned as one of the key enablers for the ne…
A Framework of Robust Transmission Design for IRS-aided MISO Communications with Imperfect Cascaded Channels
Gui Zhou, Cunhua Pan, Hong Ren +2
Intelligent reflection surface (IRS) has recently been recognized as a promising technique to enhance the performance of wireless systems due to its ability of reconfiguring the si…
Deep Learning Based Joint Resource Scheduling Algorithms for Hybrid MEC Networks
Feibo Jiang, Kezhi Wang, Li Dong +3
In this paper, we consider a hybrid mobile edge computing (H-MEC) platform, which includes ground stations (GSs), ground vehicles (GVs) and unmanned aerial vehicle (UAVs), all with…
Robust Beamforming Design for Intelligent Reflecting Surface Aided MISO Communication Systems
Gui Zhou, Cunhua Pan, Hong Ren +3
Perfect channel state information (CSI) is challenging to obtain due to the limited signal processing capability at the intelligent reflection surface (IRS). In this paper, we stud…
Deep Reinforcement Learning Based Dynamic Trajectory Control for UAV-assisted Mobile Edge Computing
Liang Wang, Kezhi Wang, Cunhua Pan +3
In this paper, we consider a platform of flying mobile edge computing (F-MEC), where unmanned aerial vehicles (UAVs) serve as equipment providing computation resource, and they ena…
Intelligent Reflecting Surface Aided Multigroup Multicast MISO Communication Systems
Gui Zhou, Cunhua Pan, Hong Ren +2
Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low-c…
Achievable Data Rate for URLLC-Enabled UAV Systems with 3-D Channel Model
Hong Ren, Cunhua Pan, Kezhi Wang +3
In this paper, we investigate the average achievable data rate (AADR) of the control information delivery from the ground control station (GCS) to unmanned-aerial-vehicle (UAV) und…
Multicell MIMO Communications Relying on Intelligent Reflecting Surface
Cunhua Pan, Hong Ren, Kezhi Wang +4
Intelligent reflecting surfaces (IRSs) constitute a disruptive wireless communication technique capable of creating a controllable propagation environment. In this paper, we propos…