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Related papers: Over-the-Air Federated Edge Learning with Hierarch…

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Federated learning (FL) over wireless communication channels, specifically, over-the-air (OTA) model aggregation framework is considered. In OTA wireless setups, the adverse channel effects can be alleviated by increasing the number of…

Machine Learning · Computer Science 2021-12-22 Ozan Aygün , Mohammad Kazemi , Deniz Gündüz , Tolga M. Duman

With huge amounts of data explosively increasing in the mobile edge, over-the-air federated learning (OA-FL) emerges as a promising technique to reduce communication costs and privacy leak risks. However, when devices in a relatively large…

Signal Processing · Electrical Eng. & Systems 2022-09-26 Xiangyu Zhong , Xiaojun Yuan , Huiyuan Yang , Chenxi Zhong

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 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

Over-the-air federated learning (OTA-FL) is an emerging technique to reduce the computation and communication overload at the PS caused by the orthogonal transmissions of the model updates in conventional federated learning (FL). This…

Information Theory · Computer Science 2023-05-29 Saba Asaad , Hina Tabassum , Chongjun Ouyang , Ping Wang

Federated learning (FL) has been recognized as a promising distributed learning paradigm to support intelligent applications at the wireless edge, where a global model is trained iteratively through the collaboration of the edge devices…

Information Theory · Computer Science 2022-05-20 Wei Guo , Chuan Huang , Xiaoqi Qin , Lian Yang , Wei Zhang

Privacy and bandwidth constraints have led to the use of federated learning (FL) in wireless systems, where training a machine learning (ML) model is accomplished collaboratively without sharing raw data. While using bandwidth-constrained…

Machine Learning · Computer Science 2023-10-18 Ayush Madhan-Sohini , Divin Dominic , Nazreen Shah , Ranjitha Prasad

In federated learning (FL), heterogeneity among the local dataset distributions of clients can result in unsatisfactory performance for some, leading to an unfair model. To address this challenge, we propose an over-the-air fair federated…

Machine Learning · Computer Science 2025-01-08 Shayan Mohajer Hamidi , Ali Bereyhi , Saba Asaad , H. Vincent Poor

Federated learning (FL) is a promising learning paradigm that can tackle the increasingly prominent isolated data islands problem while keeping users' data locally with privacy and security guarantees. However, FL could result in…

Information Theory · Computer Science 2022-03-30 Peng Yang , Yuning Jiang , Ting Wang , Yong Zhou , Yuanming Shi , Colin N. Jones

Federated learning (FL) has emerged as a promising framework for distributed learning, enabling collaborative model training without sharing private data. Existing wireless FL works primarily adopt two communication strategies: (1)…

Machine Learning · Computer Science 2026-04-16 Muhammad Faraz Ul Abrar , Nicolò Michelusi

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

To address the limitations of traditional over-the-air federated learning (OA-FL) such as limited server coverage and low resource utilization, we propose an OA-FL in MIMO cloud radio access network (MIMO Cloud-RAN) framework, where edge…

Information Theory · Computer Science 2023-05-18 Haoming Ma , Xiaojun Yuan , Zhi Ding

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

Over-the-air federated learning (OTA-FL) improves communication efficiency by exploiting the superposition property of wireless channels, but this same property also creates a critical security vulnerability: the parameter server (PS)…

Cryptography and Security · Computer Science 2026-05-20 Xiaoyan Ma , Seohyun Lee , Taejoon Kim , Christopher G. Brinton

Over-the-air federated learning (OTA-FL) exploits the inherent superposition property of wireless channels to integrate the communication and model aggregation. Though a naturally promising framework for wireless federated learning, it…

Information Theory · Computer Science 2023-09-20 Jiayu Mao , Aylin Yener

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

The emergence of mega-constellations of interconnected satellites has a major impact on the integration of cellular wireless and non-terrestrial networks, while simultaneously offering previously inconceivable data gathering capabilities.…

Information Theory · Computer Science 2024-09-24 Nasrin Razmi , Bho Matthiesen , Armin Dekorsy , Petar Popovski

Federated learning (FL) can suffer from a communication bottleneck when deployed in mobile networks, limiting participating clients and deterring FL convergence. The impact of practical air interfaces with discrete modulations on FL has not…

Signal Processing · Electrical Eng. & Systems 2023-11-28 Shuyan Hu , Xin Yuan , Wei Ni , Xin Wang , Ekram Hossain , H. Vincent Poor

Federated learning (FL) is an emerging machine learning paradigm for training models across multiple edge devices holding local data sets, without explicitly exchanging the data. Recently, over-the-air (OTA) FL has been suggested to reduce…

Signal Processing · Electrical Eng. & Systems 2023-03-31 Tomer Gafni , Kobi Cohen , Yonina C. Eldar
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