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Over-the-air computation (OAC) is a promising technique to realize fast model aggregation in the uplink of federated edge learning. OAC, however, hinges on accurate channel-gain precoding and strict synchronization among the edge devices,…

Information Theory · Computer Science 2021-09-09 Yulin Shao , Deniz Gunduz , Soung Chang Liew

Federated Learning (FL) is a decentralized machine learning paradigm where models are trained on distributed devices and are aggregated at a central server. Existing FL frameworks assume simple two-tier network topologies where end devices…

Federated learning (FL) enables collaborative model training without centralizing data. However, the traditional FL framework is cloud-based and suffers from high communication latency. On the other hand, the edge-based FL framework that…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-28 Zhenxiao Zhang , Zhidong Gao , Yuanxiong Guo , Yanmin Gong

This paper introduces a new federated learning scheme that leverages over-the-air computation. A novel feature of this scheme is the proposal to employ adaptive weights during aggregation, a facet treated as predefined in other over-the-air…

Information Theory · Computer Science 2024-09-13 Seyed Mohammad Azimi-Abarghouyi , Leandros Tassiulas

Federated Learning (FL) can be used in mobile edge networks to train machine learning models in a distributed manner. Recently, FL has been interpreted within a Model-Agnostic Meta-Learning (MAML) framework, which brings FL significant…

Machine Learning · Computer Science 2023-03-29 Chaoqun You , Kun Guo , Gang Feng , Peng Yang , Tony Q. S. Quek

Federated learning (FL) has emerged as an appealing machine learning approach to deal with massive raw data generated at multiple mobile devices, {which needs to aggregate the training model parameter of every mobile device at one base…

Machine Learning · Computer Science 2023-08-21 Xuming An , Rongfei Fan , Shiyuan Zuo , Han Hu , Hai Jiang , Ning Zhang

In this paper, we propose a resource allocation framework for federated learning (FL) in integrated sensing and communication (ISAC) systems, where we consider not only the reliability of model transfer through communication, but also the…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Lai Jiang , Kaitao Meng , Murat Temiz , Christos Masouros

Incorporating over-the-air computations (OAC) into the model training process of federated learning (FL) is an effective approach to alleviating the communication bottleneck in FL systems. Under OAC-FL, every client modulates its…

Machine Learning · Computer Science 2025-12-23 Jiaqi Zhu , Zhongyuan Zhao , Xiao Li , Ruihao Du , Shi Jin , Howard H. Yang

The proliferation of Internet-of-Things (IoT) devices and cloud-computing applications over siloed data centers is motivating renewed interest in the collaborative training of a shared model by multiple individual clients via federated…

Information Theory · Computer Science 2021-10-14 Hong Xing , Osvaldo Simeone , Suzhi Bi

Vertical federated learning (FL) is a critical enabler for distributed artificial intelligence services in the emerging 6G era, as it allows for secure and efficient collaboration of machine learning among a wide range of Internet of Things…

Information Theory · Computer Science 2023-01-16 Xiangyu Zeng , Yijie Mao , Yuanming Shi

Federated Learning (FL) trains machine learning models on edge devices with distributed data. However, the computational and memory limitations of these devices restrict the training of large models using FL. Split Federated Learning (SFL)…

Machine Learning · Computer Science 2025-04-02 Di Wu , Weibo He , Wanglei Feng , Zhenyu Wen , Bin Qian , Blesson Varghese

Over-the-Air Computation is a beyond-5G communication strategy that has recently been shown to be useful for the decentralized training of machine learning models due to its efficiency. In this paper, we propose an Over-the-Air federated…

Machine Learning · Computer Science 2024-03-08 Halil Yigit Oksuz , Fabio Molinari , Henning Sprekeler , Joerg Raisch

Advancements in artificial intelligence (AI) and low-earth orbit (LEO) satellites have promoted the application of large remote sensing foundation models for various downstream tasks. However, direct downloading of these models for…

Machine Learning · Computer Science 2025-08-01 Yan Zhu , Jingyang Zhu , Ting Wang , Yuanming Shi , Chunxiao Jiang , Khaled Ben Letaief

Over-the-air federated learning (FL), i.e., AirFL, leverages computing primitively over multiple access channels. A long-standing challenge in AirFL is to achieve coherent signal alignment without relying on expensive channel estimation and…

Information Theory · Computer Science 2024-11-21 Haifeng Wen , Nicolò Michelusi , Osvaldo Simeone , Hong Xing

Mobile Edge Computing (MEC), which incorporates the Cloud, edge nodes and end devices, has shown great potential in bringing data processing closer to the data sources. Meanwhile, Federated learning (FL) has emerged as a promising…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-26 Wentai Wu , Ligang He , Weiwei Lin , Rui Mao

Federated learning (FL) enables multiple clients to collaboratively train a machine learning model without sharing their raw data. However, the limited computation resources of the clients may result in a high delay and energy consumption…

Machine Learning · Computer Science 2026-03-06 Chuiyang Meng , Ming Tang , Vincent W. S. Wong

Over-the-air (OTA) federated learning (FL) has been well recognized as a scalable paradigm that exploits the waveform superposition of the wireless multiple-access channel to aggregate model updates in a single use. Existing OTA-FL designs…

Machine Learning · Computer Science 2026-02-16 Muhammad Faraz Ul Abrar , Nicolò Michelusi

Offloading computation-intensive tasks to edge clouds has become an efficient way to support resource constraint edge devices. However, task offloading delay is an issue largely due to the networks with limited capacities between edge…

Networking and Internet Architecture · Computer Science 2023-08-15 Anselme Ndikumana , Kim Khoa Nguyen , Mohamed Cheriet

Federated learning has generated significant interest, with nearly all works focused on a "star" topology where nodes/devices are each connected to a central server. We migrate away from this architecture and extend it through the network…

Networking and Internet Architecture · Computer Science 2022-02-15 Seyyedali Hosseinalipour , Sheikh Shams Azam , Christopher G. Brinton , Nicolo Michelusi , Vaneet Aggarwal , David J. Love , Huaiyu Dai

Federated learning (FL) enables collaborative model training among distributed devices without data sharing, but existing FL suffers from poor scalability because of global model synchronization. To address this issue, hierarchical…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-22 Tianyu Qi , Yufeng Zhan , Peng Li , Jingcai Guo , Yuanqing Xia