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Related papers: Over-the-Air Federated Learning from Heterogeneous…

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In this paper, we consider privacy aspects of wireless federated learning (FL) with Over-the-Air (OtA) transmission of gradient updates from multiple users/agents to an edge server. By exploiting the waveform superposition property of…

Machine Learning · Computer Science 2022-10-12 Jialing Liao , Zheng Chen , Erik G. Larsson

In this paper, we develop an orthogonal-frequency-division-multiplexing (OFDM)-based over-the-air (OTA) aggregation solution for wireless federated learning (FL). In particular, the local gradients in massive IoT devices are modulated by an…

Signal Processing · Electrical Eng. & Systems 2021-10-28 Huayan Guo , Yifan Zhu , Haoyu Ma , Vincent K. N. Lau , Kaibin Huang , Xiaofan Li , Huabin Nong , Mingyu Zhou

Over-the-air federated learning (OTA-FL) integrates communication and model aggregation by exploiting the innate superposition property of wireless channels. The approach renders bandwidth efficient learning, but requires care in handling…

Information Theory · Computer Science 2023-09-19 Jiayu Mao , Aylin Yener

This paper investigates an OFDM-based over-the-air federated learning (OTA-FL) system, where multiple mobile devices, e.g., unmanned aerial vehicles (UAVs), transmit local machine learning (ML) models to a central parameter server (PS) for…

Signal Processing · Electrical Eng. & Systems 2025-08-29 Xiaoyan Ma , Shahryar Zehtabi , Taejoon Kim , Christopher G. Brinton

Federated learning (FL) with over-the-air computation efficiently utilizes the communication resources, but it can still experience significant latency when each device transmits a large number of model parameters to the server. This paper…

Information Theory · Computer Science 2025-04-22 Chong Zhang , Min Dong , Ben Liang , Ali Afana , Yahia Ahmed

Over-the-air federated learning (OTA-FL) provides bandwidth-efficient learning by leveraging the inherent superposition property of wireless channels. Personalized federated learning balances performance for users with diverse datasets,…

Information Theory · Computer Science 2024-01-23 Jiayu Mao , Aylin Yener

Vertical federated learning (FL) is a collaborative machine learning framework that enables devices to learn a global model from the feature-partition datasets without sharing local raw data. However, as the number of the local intermediate…

Information Theory · Computer Science 2023-05-11 Yuanming Shi , Shuhao Xia , Yong Zhou , Yijie Mao , Chunxiao Jiang , Meixia Tao

The development of applications based on artificial intelligence and implemented over wireless networks is increasingly rapidly and is expected to grow dramatically in the future. The resulting demand for the aggregation of large amounts of…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Bingnan Xiao , Xichen Yu , Wei Ni , Xin Wang , H. Vincent Poor

Over-the-air computation is a communication-efficient solution for federated learning (FL). In such a system, iterative procedure is performed: Local gradient of private loss function is updated, amplified and then transmitted by every…

Machine Learning · Computer Science 2023-09-06 Rongfei Fan , Xuming An , Shiyuan Zuo , Han Hu

We examine federated learning (FL) with over-the-air (OTA) aggregation, where mobile users (MUs) aim to reach a consensus on a global model with the help of a parameter server (PS) that aggregates the local gradients. In OTA FL, MUs train…

Machine Learning · Computer Science 2022-07-20 Ozan Aygün , Mohammad Kazemi , Deniz Gündüz , Tolga M. Duman

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 new paradigm to train AI models over distributed edge devices (i.e., workers) using their local data, while confronting various challenges including communication resource constraints, edge heterogeneity and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-09 Qianpiao Ma , Junlong Zhou , Xiangpeng Hou , Jianchun Liu , Hongli Xu , Jianeng Miao , Qingmin Jia

Federated learning (FL) is emerging as a new paradigm to train machine learning models in distributed systems. Rather than sharing, and disclosing, the training dataset with the server, the model parameters (e.g. neural networks weights and…

Signal Processing · Electrical Eng. & Systems 2020-05-27 Stefano Savazzi , Monica Nicoli , Vittorio Rampa

We study over-the-air (OTA) federated learning (FL) for energy harvesting devices with heterogeneous data distribution over wireless fading multiple access channel (MAC). To address the impact of low energy arrivals and data heterogeneity…

Machine Learning · Computer Science 2025-11-13 Furkan Bagci , Busra Tegin , Mohammad Kazemi , Tolga M. Duman

Federated learning (FL) enables collaborative training across distributed clients without sharing raw data, often at the cost of substantial communication overhead induced by transmitting high-dimensional model updates. This overhead can be…

Signal Processing · Electrical Eng. & Systems 2025-06-26 Natalie Lang , Maya Simhi , Nir Shlezinger

Federated edge learning (FEEL) enables distributed model training across wireless devices without centralising raw data, but deployment is constrained by the wireless uplink. A promising direction is over-the-air (OTA) aggregation, which…

Machine Learning · Computer Science 2025-09-23 Antonio Tarizzo , Mohammad Kazemi , Deniz Gündüz

Federated learning (FL) is an attractive paradigm for making use of rich distributed data while protecting data privacy. Nonetheless, nonideal communication links and limited transmission resources may hinder the implementation of fast and…

Machine Learning · Computer Science 2022-02-11 Xin Fan , Yue Wang , Yan Huo , Zhi Tian

Federated Learning (FL) is a distributed machine learning paradigm that allows clients to train models on their data while preserving their privacy. FL algorithms, such as Federated Averaging (FedAvg) and its variants, have been shown to…

Machine Learning · Computer Science 2024-03-05 Changxin Xu , Yuxin Qiao , Zhanxin Zhou , Fanghao Ni , Jize Xiong

Over-the-Air (OtA) Federated Learning (FL) refers to an FL system where multiple agents apply OtA computation for transmitting model updates to a common edge server. Two important features of OtA computation, namely linear processing and…

Information Theory · Computer Science 2023-10-06 Adrian Edin , Zheng Chen

While federated learning (FL) is a widely popular distributed machine learning (ML) strategy that protects data privacy, time-varying wireless network parameters and heterogeneous configurations of the wireless devices pose significant…

Machine Learning · Computer Science 2025-08-28 Ferdous Pervej , Minseok Choi , Andreas F. Molisch