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Federated learning has gained popularity as a means of training models distributed across the wireless edge. The paper introduces delay-aware hierarchical federated learning (DFL) to improve the efficiency of distributed machine learning…

Machine Learning · Computer Science 2023-09-29 Frank Po-Chen Lin , Seyyedali Hosseinalipour , Nicolò Michelusi , Christopher Brinton

Federated Learning (FL) enables collaborative model training across decentralized devices while preserving data privacy. However, real-world FL deployments face critical challenges such as data imbalances, including label noise and non-IID…

Machine Learning · Computer Science 2026-01-13 Siqi Zhu , Joshua D. Kaggie

Over-the-air federated learning (OTA-FL) unifies communication and model aggregation by leveraging the inherent superposition property of the wireless medium. This strategy can enable scalable and bandwidth-efficient learning via…

Information Theory · Computer Science 2024-12-05 Jiayu Mao , Aylin Yener

Federated Learning (FL) is an emerging machine learning framework that enables multiple clients (coordinated by a server) to collaboratively train a global model by aggregating the locally trained models without sharing any client's…

Machine Learning · Computer Science 2025-12-10 M Yashwanth , Gaurav Kumar Nayak , Harsh Rangwani , Arya Singh , R. Venkatesh Babu , Anirban Chakraborty

The optimal design of federated learning (FL) algorithms for solving general machine learning (ML) problems in practical edge computing systems with quantized message passing remains an open problem. This paper considers an edge computing…

Machine Learning · Computer Science 2022-04-05 Yangchen Li , Ying Cui , Vincent Lau

In the evolving landscape of federated learning (FL), addressing label noise presents unique challenges due to the decentralized and diverse nature of data collection across clients. Traditional centralized learning approaches to mitigate…

Machine Learning · Computer Science 2024-02-09 Taehyeon Kim , Donggyu Kim , Se-Young Yun

We introduce FedSGM, a unified framework for federated constrained optimization that addresses four major challenges in federated learning (FL): functional constraints, communication bottlenecks, local updates, and partial client…

Machine Learning · Computer Science 2026-01-26 Antesh Upadhyay , Sang Bin Moon , Abolfazl Hashemi

Federated Learning (FL) is a distributed machine learning (ML) paradigm, aiming to train a global model by exploiting the decentralized data across millions of edge devices. Compared with centralized learning, FL preserves the clients'…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-15 Bocheng Chen , Nikolay Ivanov , Guangjing Wang , Qiben Yan

Federated learning (FL) is an emerging machine learning paradigm that allows to accomplish model training without aggregating data at a central server. Most studies on FL consider a centralized framework, in which a single server is endowed…

Machine Learning · Computer Science 2023-03-22 Bin Wang , Jun Fang , Hongbin Li , Xiaojun Yuan , Qing Ling

Due to the scarcity of industrial data, individual equipment users, particularly start-ups, struggle to independently train a comprehensive fault diagnosis model; federated learning enables collaborative training while ensuring data…

Artificial Intelligence · Computer Science 2026-04-10 Zexiao Wang , Yankai Wang , Xiaoqiang Liao , Xinguo Ming , Weiming Shen

Federated learning (FL) has emerged as an effective approach for training neural network models without requiring the sharing of participants' raw data, thereby addressing data privacy concerns. In this paper, we propose a reconfigurable…

Information Theory · Computer Science 2025-07-02 Mengru Wu , Yu Gao , Weidang Lu , Huimei Han , Lei Sun , Wanli Ni

Federated learning (FL) is a widely adopted privacy-preserving distributed learning framework, yet its generalization performance remains less explored compared to centralized learning. In FL, the generalization error consists of two…

Machine Learning · Statistics 2025-06-05 Ziqiao Wang , Cheng Long , Yongyi Mao

Federated Learning (FL) has emerged as a promising approach to enable collaborative learning among multiple clients while preserving data privacy. However, cross-domain FL tasks, where clients possess data from different domains or…

Machine Learning · Computer Science 2024-04-02 Yuwen Yang , Chang Liu , Xun Cai , Suizhi Huang , Hongtao Lu , Yue Ding

The constantly evolving digital transformation imposes new requirements on our society. Aspects relating to reliance on the networking domain and the difficulty of achieving security by design pose a challenge today. As a result,…

Cryptography and Security · Computer Science 2023-01-20 Gustavo de Carvalho Bertoli , Lourenço Alves Pereira Junior , Aldri Luiz dos Santos , Osamu Saotome

Federated learning (FL) is a distributed method to train a global model over a set of local clients while keeping data localized. It reduces the risks of privacy and security but faces important challenges including expensive communication…

Machine Learning · Computer Science 2022-10-07 Seonhyeong Kim , Jiheon Woo , Daewon Seo , Yongjune Kim

In the field of federated learning, addressing non-independent and identically distributed (non-i.i.d.) data remains a quintessential challenge for improving global model performance. This work introduces the Feature Norm Regularized…

Machine Learning · Computer Science 2023-12-13 Ke Hu , WeiDong Qiu , Peng Tang

The vast increase of Internet of Things (IoT) technologies and the ever-evolving attack vectors have increased cyber-security risks dramatically. A common approach to implementing AI-based Intrusion Detection systems (IDSs) in distributed…

Cryptography and Security · Computer Science 2023-08-07 Othmane Belarbi , Theodoros Spyridopoulos , Eirini Anthi , Ioannis Mavromatis , Pietro Carnelli , Aftab Khan

Internet of Things (IoT) services will use machine learning tools to efficiently analyze various types of data collected by IoT devices for inference, autonomy, and control purposes. However, due to resource constraints and privacy…

Information Theory · Computer Science 2020-09-01 Mingzhe Chen , H. Vincent Poor , Walid Saad , Shuguang Cui

In federated learning (FL), a cluster of local clients are chaired under the coordination of the global server and cooperatively train one model with privacy protection. Due to the multiple local updates and the isolated non-iid dataset,…

Machine Learning · Computer Science 2024-04-02 Yan Sun , Li Shen , Shixiang Chen , Liang Ding , Dacheng Tao

Federated learning (FL) is a paradigm where many clients collaboratively train a model under the coordination of a central server, while keeping the training data locally stored. However, heterogeneous data distributions over different…

Machine Learning · Computer Science 2022-05-27 Yaqi Sun , Shijing Si , Jianzong Wang , Yuhan Dong , Zhitao Zhu , Jing Xiao