282 citations · 679 across the 23 of their papers we have counts for
23 papers
PCDM: A Diffusion-Based Data Poisoning Attack Against Federated Learning Systems
Wei Sun, Yijun Chen, Bo Gao +4
Federated learning (FL) is vulnerable to data poisoning attacks due to its distributed nature. Although recent GAN-based data poisoning methods have indicated the potential of usin…
DRL-Based Resource Allocation for Motion Blur Resistant Federated Self-Supervised Learning in IoV
Xueying Gu, Qiong Wu, Pingyi Fan +4
In the Internet of Vehicles (IoV), Federated Learning (FL) provides a privacy-preserving solution by aggregating local models without sharing data. Traditional supervised learning…
Reconfigurable Intelligent Surface Aided Vehicular Edge Computing: Joint Phase-shift Optimization and Multi-User Power Allocation
Kangwei Qi, Qiong Wu, Pingyi Fan +3
Vehicular edge computing (VEC) is an emerging technology with significant potential in the field of internet of vehicles (IoV), enabling vehicles to perform intensive computational…
Semantic-Aware Spectrum Sharing in Internet of Vehicles Based on Deep Reinforcement Learning
Zhiyu Shao, Qiong Wu, Pingyi Fan +4
This work aims to investigate semantic communication in high-speed mobile Internet of vehicles (IoV) environments, with a focus on the spectrum sharing between vehicle-to-vehicle (…
A Model Consistency-Based Countermeasure to GAN-Based Data Poisoning Attack in Federated Learning
Wei Sun, Bo Gao, Ke Xiong +3
In federated learning (FL), although the original intention of available but not visible data is to allay data privacy concerns, it potentially brings new security threats, particu…
A GAN-based Semantic Communication for Text without CSI
Jin Mao, Ke Xiong, Ming Liu +4
Recently, semantic communication (SC) has been regarded as one of the potential paradigms of 6G. Current SC frameworks require channel state information (CSI) to handle severe sign…
Delay-sensitive Task Offloading in Vehicular Fog Computing-Assisted Platoons
Qiong Wu, Siyuan Wang, Hongmei Ge +3
Vehicles in platoons need to process many tasks to support various real-time vehicular applications. When a task arrives at a vehicle, the vehicle may not process the task due to i…
Hybrid Beamforming for Millimeter Wave Systems Using the MMSE Criterion
Tian Lin, Jiaqi Cong, Yu Zhu +2
Hybrid analog and digital beamforming (HBF) has recently emerged as an attractive technique for millimeter-wave (mmWave) communication systems. It well balances the demand for suff…
Directivity-Beamwidth Tradeoff of Massive MIMO Uplink Beamforming for High Speed Train Communication
Xuhong Chen, Jiaxun Lu, Tao Li +2
High-mobility adaption and massive Multiple-input Multiple-output (MIMO) application are two primary evolving objectives for the next generation high speed train (HST) wireless com…
A Survey on Mobile Edge Computing: The Communication Perspective
Yuyi Mao, Changsheng You, Jun Zhang +2
Driven by the visions of Internet of Things and 5G communications, recent years have seen a paradigm shift in mobile computing, from the centralized Mobile Cloud Computing towards…
Optimum Transmission Policies for Energy Harvesting Sensor Networks Powered By a Mobile Control Center
Tao Li, Pingyi Fan, Zhengchuan Chen +1
Wireless energy transfer, namely RF-based energy harvesting, is a potential way to prolong the lifetime of energy-constrained devices, especially in wireless sensor networks. Howev…
Energy Efficiency with Proportional Rate Fairness in Multi-Relay OFDM Networks
Ke Xiong, Pingyi Fan, Yang Lu +1
This paper investigates the energy efficiency (EE) in multiple relay aided OFDM system, where decode-and-forward (DF) relay beamforming is employed to help the information transmis…
Weighted Sum-Throughput Maximization for MIMO Broadcast Channel: Energy Harvesting Under System Imperfection
Zhi Chen, Pingyi Fan, Dapeng Oliver Wu +1
In this work, a MIMO broadcast channel under the energy harvesting (EH) constraint and the peak power constraint is investigated. The transmitter is equipped with a hybrid energy s…
Wireless Information and Energy Transfer for Two-Hop Non-Regenerative MIMO-OFDM Relay Networks
Ke Xiong, Pingyi Fan, Chuang Zhang +1
This paper investigates the simultaneous wireless information and energy transfer for the non-regenerative multipleinput multiple-output orthogonal frequency-division multiplexing…
Time-Switching Based SWIPT for Network-Coded Two-Way Relay Transmission with Data Rate Fairness
Ke Xiong, Pingyi Fan, Khaled Ben Letaief
This paper investigates the simultaneous wireless power and information transfer (SWPIT) for network-coded two-way re- lay transmission from an information theoretical viewpoint, w…
QoS-distinguished Achievable Rate Region for High Speed Railway Wireless Communications
Tao Li, Pingyi Fan, Ke Xiong +1
In high speed railways (HSRs) communication system, when a train travels along the railway with high velocity, the wireless channel between the train and base station varies strenu…
User Capacity of Pilot-Contaminated TDD Massive MIMO Systems
Juei-Chin Shen, Jun Zhang, Khaled Ben Letaief
Pilot contamination has been regarded as a main limiting factor of time division duplexing (TDD) massive multiple-input-multiple-output (Massive MIMO) systems, as it will make the…
Outage Probability of Energy Harvesting Relay-aided Cooperative Networks Over Rayleigh Fading Channel
Tao Li, Pingyi Fan, Khaled Ben Letaief
Energy harvesting technique is a potential way for relay node energy supply in cooperative networks in terms of deployment flexibility and maintain charge reduction. Unlike traditi…
Mobility-Aware Uplink Interference Model for 5G Heterogeneous Networks
Yunquan Dong, Zhi Chen, Pingyi Fan +1
To meet the surging demand for throughput, 5G cellular networks need to be more heterogeneous and much denser, by deploying more and more small cells. In particular, the number of…
Throughput Optimized Multi-Source Cooperative Networks With Compute-and-Forward
Z. Chen, P. Fan, K. B. Letaief
In this work, we investigate a multi-source multi-cast network with the aid of an arbitrary number of relays, where it is assumed that no direct link is available at each S-D pair.…
The Deterministic Time-Linearity of Service Provided by Fading Channels
Yunquan Dong, Qing Wang, Pingyi Fan +1
In the paper, we study the service process of an independent and identically distributed (\textit{i.i.d.}) Nakagami- fading channel, which is defined as the amount of ser…
High Speed Railway Wireless Communications: Efficiency v.s. Fairness
Yunquan Dong, Pingyi Fan, Khaled Ben Letaief
High speed railways (HSRs) have been deployed widely all over the world in recent years. Different from traditional cellular communication, its high mobility makes it essential to…
On the Solvability of 2-pair Unicast Networks --- A Cut-based Characterization
K. Cai, K. B. Letaief, P. Fan +1
In this paper, we propose a subnetwork decomposition/combination approach to investigate the single rate -pair unicast problem. It is shown that the solvability of a -pair un…