Search Results for author: Pingyi Fan

Found 24 papers, 9 papers with code

Anti-Byzantine Attacks Enabled Vehicle Selection for Asynchronous Federated Learning in Vehicular Edge Computing

no code implementations12 Apr 2024 Cui Zhang, Xiao Xu, Qiong Wu, Pingyi Fan, Qiang Fan, Huiling Zhu, Jiangzhou Wang

In this scheme, vehicle s mobility, channel conditions with temporal variations, computational resources with temporal variations, different data amount, transmission channel status of vehicles as well as Byzantine attacks were taken into account. Simulation results show that the proposed scheme effectively improves the safety and accuracy of the global model.

Edge-computing Federated Learning

Blockchain-Enabled Variational Information Bottleneck for IoT Networks

1 code implementation10 Mar 2024 Qiong Wu, Le Kuai, Pingyi Fan, Qiang Fan, Junhui Zhao, Jiangzhou Wang

In Internet of Things (IoT) networks, the amount of data sensed by user devices may be huge, resulting in the serious network congestion.

Data Compression

Cooperative Edge Caching Based on Elastic Federated and Multi-Agent Deep Reinforcement Learning in Next-Generation Network

1 code implementation18 Jan 2024 Qiong Wu, Wenhua Wang, Pingyi Fan, Qiang Fan, Huiling Zhu, Khaled B. Letaief

Finally, we propose a multi-agent deep reinforcement learning (MADRL) based algorithm to decide where the predicted popular contents are collaboratively cached among SBSs.

Federated Learning reinforcement-learning

URLLC-Awared Resource Allocation for Heterogeneous Vehicular Edge Computing

no code implementations30 Nov 2023 Qiong Wu, Wenhua Wang, Pingyi Fan, Qiang Fan, Jiangzhou Wang, Khaled B. Letaief

Vehicular edge computing (VEC) is a promising technology to support real-time vehicular applications, where vehicles offload intensive computation tasks to the nearby VEC server for processing.

Edge-computing

FedNC: A Secure and Efficient Federated Learning Method with Network Coding

no code implementations5 May 2023 Yuchen Shi, Zheqi Zhu, Pingyi Fan, Khaled B. Letaief, Chenghui Peng

Federated Learning (FL) is a promising distributed learning mechanism which still faces two major challenges, namely privacy breaches and system efficiency.

Federated Learning

Deep Reinforcement Learning Based Vehicle Selection for Asynchronous Federated Learning Enabled Vehicular Edge Computing

no code implementations6 Apr 2023 Qiong Wu, Siyuan Wang, Pingyi Fan, Qiang Fan

Furthermore, as vehicles have different local training time due to various sizes of local data and their different computing capabilities, asynchronous federated learning (AFL) is employed to facilitate the RSU to update the global model immediately after receiving a local model to reduce the aggregation delay.

Edge-computing Federated Learning

Deep Reinforcement Learning Based Power Allocation for Minimizing AoI and Energy Consumption in MIMO-NOMA IoT Systems

no code implementations11 Mar 2023 Hongbiao Zhu, Qiong Wu, Qiang Fan, Pingyi Fan, Jiangzhou Wang, Zhengquan Li

It is critical to determine the optimal policy including sample collection requirements and power allocation to minimize the AoI and energy consumption of MIMO-NOMA IoT system, where the transmission rate is not a constant in the SIC process and the noise is stochastic in the MIMO-NOMA channel.

FedLP: Layer-wise Pruning Mechanism for Communication-Computation Efficient Federated Learning

1 code implementation11 Mar 2023 Zheqi Zhu, Yuchen Shi, Jiajun Luo, Fei Wang, Chenghui Peng, Pingyi Fan, Khaled B. Letaief

By adopting layer-wise pruning in local training and federated updating, we formulate an explicit FL pruning framework, FedLP (Federated Layer-wise Pruning), which is model-agnostic and universal for different types of deep learning models.

Federated Learning

ISFL: Federated Learning for Non-i.i.d. Data with Local Importance Sampling

no code implementations5 Oct 2022 Zheqi Zhu, Pingyi Fan, Chenghui Peng, Khaled B. Letaief

Then, we formulate the problem of selecting optimal IS weights and obtain the theoretical solutions.

Federated Learning

Asynchronous Federated Learning for Edge-assisted Vehicular Networks

1 code implementation3 Aug 2022 Siyuan Wang, Qiong Wu, Qiang Fan, Pingyi Fan, Jiangzhou Wang

For the traditional federated learning (FL), vehicles train the data locally to obtain a local model and then upload the local model to the RSU to update the global model, thus the data privacy can be protected through sharing model parameters instead of data.

Federated Learning

Mobility-Aware Cooperative Caching in Vehicular Edge Computing Based on Asynchronous Federated and Deep Reinforcement Learning

1 code implementation2 Aug 2022 Qiong Wu, Yu Zhao, Qiang Fan, Pingyi Fan, Jiangzhou Wang, Cui Zhang

In addition, we consider the mobility of vehicles and propose a deep reinforcement learning algorithm to obtain the optimal cooperative caching location for the predicted popular contents in order to optimize the content transmission delay.

Edge-computing Federated Learning +2

From MIM-Based GAN to Anomaly Detection:Event Probability Influence on Generative Adversarial Networks

no code implementations25 Mar 2022 Rui She, Pingyi Fan

The information metric, e. g. Kullback-Leibler divergence in the original GAN, makes the objective function have different sensitivity on different event probability, which provides an opportunity to refine GAN-based anomaly detection by influencing data generation.

Anomaly Detection

How global observation works in Federated Learning: Integrating vertical training into Horizontal Federated Learning

no code implementations2 Dec 2021 Shuo Wan, Jiaxun Lu, Pingyi Fan, Yunfeng Shao, Chenghui Peng, Khaled B. Letaief

In this paper, we develop a vertical-horizontal federated learning (VHFL) process, where the global feature is shared with the agents in a procedure similar to that of vertical FL without any extra communication rounds.

Federated Learning

Convergence Analysis and System Design for Federated Learning over Wireless Networks

no code implementations30 Apr 2021 Shuo Wan, Jiaxun Lu, Pingyi Fan, Yunfeng Shao, Chenghui Peng, Khaled B. Letaief

Federated learning (FL) has recently emerged as an important and promising learning scheme in IoT, enabling devices to jointly learn a model without sharing their raw data sets.

Federated Learning Scheduling

New-Type Hoeffding's Inequalities and Application in Tail Bounds

no code implementations2 Jan 2021 Pingyi Fan

It is expected that the developed new type Hoeffding's inequalities could get more interesting applications in some related fields that use Hoeffding's results.

Vocal Bursts Type Prediction

Federated Multi-Agent Actor-Critic Learning for Age Sensitive Mobile Edge Computing

no code implementations28 Dec 2020 Zheqi Zhu, Shuo Wan, Pingyi Fan, Khaled B. Letaief

To the best of our knowledge, it's the first joint MEC collaboration algorithm that combines the edge federated mode with the multi-agent actor-critic reinforcement learning.

Edge-computing Federated Learning +2

Soft Compression for Lossless Image Coding

1 code implementation11 Dec 2020 Gangtao Xin, Pingyi Fan

Soft compression is a lossless image compression method, which is committed to eliminating coding redundancy and spatial redundancy at the same time by adopting locations and shapes of codebook to encode an image from the perspective of information theory and statistical distribution.

Image Compression

Delay Sensitive Task Offloading in the 802.11p Based Vehicular Fog Computing Systems

1 code implementation2 Dec 2020 Qiong Wu, Hanxu Liu, Ruhai Wang, Pingyi Fan, Qiang Fan, Zhengquan Li

Furthermore, the long-term reward of the system (i. e., jointly considers the transmission delay, computing delay, available resources, and diversity of vehicles and tasks) becomes a significantly important issue for providers.

Networking and Internet Architecture

Time-dependent Performance Analysis of the 802.11p-based Platooning Communications Under Disturbance

1 code implementation5 Nov 2020 Qiong Wu, Hongmei Ge, Pingyi Fan, Jiangzhou Wang, Qiang Fan, Zhengquan Li

However, one vehicle in platoons inevitably suffers from a disturbance resulting from the leader vehicle acceleration/deceleration, wind gust and uncertainties in a platoon control system, i. e., aerodynamics drag and rolling resistance moment etc.

Networking and Internet Architecture

MIM-Based GAN: Information Metric to Amplify Small Probability Events Importance in Generative Adversarial Networks

no code implementations25 Mar 2020 Rui She, Pingyi Fan

As for the original GAN, there exist drawbacks for its hidden information measure based on KL divergence on rare events generation and training performance for adversarial networks.

Anomaly Detection

Machine Learning Based Prediction and Classification of Computational Jobs in Cloud Computing Centers

no code implementations9 Mar 2019 Zheqi Zhu, Pingyi Fan

With the rapid growth of the data volume and the fast increasing of the computational model complexity in the scenario of cloud computing, it becomes an important topic that how to handle users' requests by scheduling computational jobs and assigning the resources in data center.

BIG-bench Machine Learning Cloud Computing +3

A Swarming Approach to Optimize the One-hop Delay in Smart Driving Inter-platoon Communications

no code implementations19 Jul 2018 Qiong Wu, Shuzhen Nie, Pingyi Fan, Zhengquan Li, Cui Zhang

In the second step, we first set the minimum average one-hop delay found in the first step as the initial optimization goal and then adopt the swarming approach again to get the one-hop delay of each backbone vehicle balance to the minimum average one-hop delay.

Networking and Internet Architecture

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