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Devices located in remote regions often lack coverage from well-developed terrestrial communication infrastructure. This not only prevents them from experiencing high quality communication services but also hinders the delivery of machine…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-20 Dong-Jun Han , Wenzhi Fang , Seyyedali Hosseinalipour , Mung Chiang , Christopher G. Brinton

In Federated Learning (FL), with parameter aggregated by a central node, the communication overhead is a substantial concern. To circumvent this limitation and alleviate the single point of failure within the FL framework, recent studies…

Machine Learning · Computer Science 2024-04-01 Zhigang Yan , Dong Li

In this paper, we propose leveraging the active reconfigurable intelligence surface (RIS) to support reliable gradient aggregation for over-the-air computation (AirComp) enabled federated learning (FL) systems. An analysis of the FL…

Information Theory · Computer Science 2023-11-08 Deyou Zhang , Ming Xiao , Mikael Skoglund , H. Vincent Poor

In federated learning (FL), a number of devices train their local models and upload the corresponding parameters or gradients to the base station (BS) to update the global model while protecting their data privacy. However, due to the…

Machine Learning · Computer Science 2022-05-04 Zhigang Yan , Dong Li , Zhichao Zhang , Jiguang He

Over-the-air (OTA) federated learning (FL) effectively utilizes communication bandwidth, yet it is vulnerable to errors during analog aggregation. While removing users with unfavorable channel conditions can mitigate these errors, it also…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Yang Zhao , Minrui Xu , Ping Wang , Dusit Niyato

Motivated by increasing computational capabilities of wireless devices, as well as unprecedented levels of user- and device-generated data, new distributed machine learning (ML) methods have emerged. In the wireless community, Federated…

Signal Processing · Electrical Eng. & Systems 2021-11-22 Henrik Hellström , Viktoria Fodor , Carlo Fischione

As edge devices become more capable and pervasive in wireless networks, there is growing interest in leveraging their collective compute power for distributed learning. However, optimizing learning at the network edge entails unique…

Machine Learning · Computer Science 2025-04-14 Thomas Tsouparopoulos , Iordanis Koutsopoulos

Federated learning (FL) is a framework for distributed learning of centralized models. In FL, a set of edge devices train a model using their local data, while repeatedly exchanging their trained updates with a central server. This…

Machine Learning · Computer Science 2021-08-11 Tomer Sery , Nir Shlezinger , Kobi Cohen , Yonina C. Eldar

In this work, we introduce Fed-Span: \textit{\underline{fed}erated learning with \underline{span}ning aggregation over low Earth orbit (LEO) satellite constellations}. Fed-Span aims to address critical challenges inherent to distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-04 Fardis Nadimi , Payam Abdisarabshali , Jacob Chakareski , Nicholas Mastronarde , Seyyedali Hosseinalipour

Federated learning (FL) is a powerful distributed machine learning framework where a server aggregates models trained by different clients without accessing their private data. Hierarchical FL, with a client-edge-cloud aggregation…

Machine Learning · Computer Science 2023-01-10 Lumin Liu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Fluid antenna (FA) technology has recently emerged as an effective means of exploiting spatial diversity through position-domain reconfigurability. This paper investigates the integration of FA into over-the-air federated learning (OTA-FL)…

Signal Processing · Electrical Eng. & Systems 2026-05-11 Mohsen Ahmadzadeh , Saeid Pakravan , Wessam Ajib , Ming Zeng , Ghosheh Abed Hodtani , Ji Wang

In this work, we investigate federated edge learning over a fading multiple access channel. To alleviate the communication burden between the edge devices and the access point, we introduce a pioneering digital over-the-air computation…

Signal Processing · Electrical Eng. & Systems 2024-04-22 Saeed Razavikia , José Mairton Barros Da Silva Júnior , Carlo Fischione

As the number of sensors becomes massive in Internet of Things (IoT) networks, the amount of data is humongous. To process data in real-time while protecting user privacy, federated learning (FL) has been regarded as an enabling technique…

Information Theory · Computer Science 2023-10-05 Jianyang Ren , Wanli Ni , Hui Tian , Gaofeng Nie

Federated learning (FL) is a distributed Machine Learning (ML) framework that is capable of training a new global model by aggregating clients' locally trained models without sharing users' original data. Federated learning as a service…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-15 Wentao Gao , Omid Tavallaie , Shuaijun Chen , Albert Zomaya

In this paper, we consider decentralized federated learning (FL) over wireless networks, where over-the-air computation (AirComp) is adopted to facilitate the local model consensus in a device-to-device (D2D) communication manner. However,…

Information Theory · Computer Science 2021-06-16 Yandong Shi , Yong Zhou , Yuanming Shi

Federated learning (FL) is recognized as a key enabling technology to support distributed artificial intelligence (AI) services in future 6G. By supporting decentralized data training and collaborative model training among devices, FL…

Signal Processing · Electrical Eng. & Systems 2021-11-02 Shaoming Huang , Pengfei Zhang , Yijie Mao , Lixiang Lian , Yuanming Shi

We propose cooperative edge-assisted dynamic federated learning (CE-FL). CE-FL introduces a distributed machine learning (ML) architecture, where data collection is carried out at the end devices, while the model training is conducted…

Federated learning (FL) is a distributed machine learning technology for next-generation AI systems that allows a number of workers, i.e., edge devices, collaboratively learn a shared global model while keeping their data locally to prevent…

Networking and Internet Architecture · Computer Science 2022-06-01 Pinyarash Pinyoanuntapong , Prabhu Janakaraj , Ravikumar Balakrishnan , Minwoo Lee , Chen Chen , Pu Wang

Federated learning (FL) has emerged as a promising learning paradigm in which only local model parameters (gradients) are shared. Private user data never leaves the local devices thus preserving data privacy. However, recent research has…

Cryptography and Security · Computer Science 2022-12-23 Xiaochan Xue , Moh Khalid Hasan , Shucheng Yu , Laxima Niure Kandel , Min Song

Federated learning (FL) is a trending training paradigm to utilize decentralized training data. FL allows clients to update model parameters locally for several epochs, then share them to a global model for aggregation. This training…

Machine Learning · Computer Science 2022-08-09 Xiaoxiao Li , Zhao Song , Jiaming Yang
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