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Federated edge learning (FEEL) enables collaborative model training across distributed clients over wireless networks without exposing raw data. While most existing studies assume static datasets, in real-world scenarios clients may…

Machine Learning · Computer Science 2025-09-10 Yuxuan Bai , Yuxuan Sun , Tan Chen , Wei Chen , Sheng Zhou , Zhisheng Niu

Federated learning (FL) has recently emerged as a promising technology to enable artificial intelligence (AI) at the network edge, where distributed mobile devices collaboratively train a shared AI model under the coordination of an edge…

Information Theory · Computer Science 2022-03-07 Zehong Lin , Hang Liu , Ying-Jun Angela Zhang

Federated learning (FL) necessitates that edge devices conduct local training and communicate with a parameter server, resulting in significant energy consumption. A key challenge in practical FL systems is the rapid depletion of…

Machine Learning · Computer Science 2025-06-24 Kai Zhang , Xuanyu Cao , Khaled B. Letaief

As a revolution in networking, Internet of Things (IoT) aims at automating the operations of our societies by connecting and leveraging an enormous number of distributed devices (e.g., sensors and actuators). One design challenge is…

Information Theory · Computer Science 2018-08-15 Xiaoyang Li , Guangxu Zhu , Yi Gong , Kaibin Huang

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

In this paper, we consider federated learning (FL) over a noisy fading multiple access channel (MAC), where an edge server aggregates the local models transmitted by multiple end devices through over-the-air computation (AirComp). To…

Information Theory · Computer Science 2020-11-16 Shuhao Xia , Jingyang Zhu , Yuhan Yang , Yong Zhou , Yuanming Shi , Wei Chen

Cell-free massive MIMO is emerging as a promising technology for future wireless communication systems, which is expected to offer uniform coverage and high spectral efficiency compared to classical cellular systems. We study in this paper…

Signal Processing · Electrical Eng. & Systems 2023-09-19 Houssem Sifaou , Geoffrey Ye Li

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

Over-the-air computation (AirComp) based federated learning (FL) is capable of achieving fast model aggregation by exploiting the waveform superposition property of multiple access channels. However, the model aggregation performance is…

Information Theory · Computer Science 2022-04-01 Zhibin Wang , Jiahang Qiu , Yong Zhou , Yuanming Shi , Liqun Fu , Wei Chen , Khaled B. Lataief

Over-the-air computation (AirComp), which leverages the superposition property of wireless multiple-access channel (MAC) and the mathematical tool of function representation, has been considered as a promising technique for effective…

Information Theory · Computer Science 2024-10-30 Xin Zang , Wanchun Liu , Yonghui Li , Branka Vucetic

Federated Learning (FL) is an intriguing distributed machine learning approach due to its privacy-preserving characteristics. To balance the trade-off between energy and execution latency, and thus accommodate different demands and…

Machine Learning · Computer Science 2025-09-12 Xinyu Zhou , Jun Zhao , Huimei Han , Claude Guet

Federated learning (FL) is a useful tool in distributed machine learning that utilizes users' local datasets in a privacy-preserving manner. When deploying FL in a constrained wireless environment; however, training models in a…

Machine Learning · Computer Science 2022-05-06 Jake Perazzone , Shiqiang Wang , Mingyue Ji , Kevin Chan

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

Under the organization of the base station (BS), wireless federated learning (FL) enables collaborative model training among multiple devices. However, the BS is merely responsible for aggregating local updates during the training process,…

Information Theory · Computer Science 2023-10-05 Jingheng Zheng , Wanli Ni , Hui Tian , Deniz Gunduz , Tony Q. S. Quek , Zhu Han

This work develops power control algorithms for energy efficiency (EE) maximization (measured in bit/Joule) in wireless networks. Unlike previous related works, minimum-rate constraints are imposed and the signal-to-interference-plus-noise…

Information Theory · Computer Science 2016-04-20 Alessio Zappone , Luca Sanguinetti , Giacomo Bacci , Eduard Jorswieck , Mérouane Debbah

This work studies the task of device coordination in wireless networks for over-the-air federated learning (OTA-FL). For conventional metrics of aggregation error, the task is shown to describe the zero-forcing (ZF) and minimum mean squared…

Information Theory · Computer Science 2022-11-09 Mohammad Ali Sedaghat , Ali Bereyhi , Saba Asaad , Ralf R. Mueller

Federated learning (FL) is a distributed learning paradigm that enables a large number of mobile devices to collaboratively learn a model under the coordination of a central server without sharing their raw data. Despite its practical…

Machine Learning · Computer Science 2021-09-14 Bing Luo , Xiang Li , Shiqiang Wang , Jianwei Huang , Leandros Tassiulas

We propose a federated version of adaptive gradient methods, particularly AdaGrad and Adam, within the framework of over-the-air model training. This approach capitalizes on the inherent superposition property of wireless channels,…

Machine Learning · Computer Science 2024-03-12 Chenhao Wang , Zihan Chen , Nikolaos Pappas , Howard H. Yang , Tony Q. S. Quek , H. Vincent Poor

Federated Learning (FL) over wireless network enables data-conscious services by leveraging the ubiquitous intelligence at network edge for privacy-preserving model training. As the proliferation of context-aware services, the diversified…

Machine Learning · Computer Science 2022-02-08 Y. Li , X. Qin , H. Chen , K. Han , P. Zhang

In this paper, energy efficient power adaptation is considered in sensing-based spectrum sharing cognitive radio systems in which secondary users first perform channel sensing and then initiate data transmission with two power levels based…

Information Theory · Computer Science 2016-11-17 Gozde Ozcan , M. Cenk Gursoy