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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), as an emerging distributed machine learning paradigm, allows a mass of edge devices to collaboratively train a global model while preserving privacy. In this tutorial, we focus on FL via over-the-air computation…

Machine Learning · Computer Science 2023-10-17 Jingyang Zhu , Yuanming Shi , Yong Zhou , Chunxiao Jiang , Wei Chen , Khaled B. Letaief

Mobile edge computing (MEC) is powerful to alleviate the heavy computing tasks in integrated sensing and communication (ISAC) systems. In this paper, we investigate joint beamforming and offloading design in a three-tier integrated sensing,…

Information Theory · Computer Science 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Yiqing Zhou , Yan Zhang , Fan Liu

Mobile edge computing (MEC) provides computational services at the edge of networks by offloading tasks from user equipments (UEs). This letter employs an unmanned aerial vehicle (UAV) as the edge computing server to execute offloaded tasks…

Information Theory · Computer Science 2019-10-25 Yuwen Qian , Feifei Wang , Jun Li , Long Shi , Kui Cai , Feng Shu

We consider federated edge learning (FEEL) among mobile devices that harvest the required energy from their surroundings, and share their updates with the parameter server (PS) through a shared wireless channel. In particular, we consider…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-26 Ozan Aygün , Mohammad Kazemi , Deniz Gündüz , Tolga M. Duman

Federated edge learning (FEEL) has emerged as an effective approach to reduce the large communication latency in Cloud-based machine learning solutions, while preserving data privacy. Unfortunately, the learning performance of FEEL may be…

Networking and Internet Architecture · Computer Science 2024-09-05 Yuchang Sun , Jiawei Shao , Yuyi Mao , Jessie Hui Wang , Jun Zhang

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

Federated learning (FL) leverages data distributed at the edge of the network to enable intelligent applications. The efficiency of FL can be improved by using over-the-air computation (AirComp) technology in the process of gradient…

Machine Learning · Computer Science 2023-12-20 Fan Zhang , Jining Chen , Kunlun Wang , Wen Chen

Federated edge learning (FEEL) is envisioned as a promising paradigm to achieve privacy-preserving distributed learning. However, it consumes excessive learning time due to the existence of straggler devices. In this paper, a novel…

Information Theory · Computer Science 2022-04-04 Shanfeng Huang , Zezhong Zhang , Shuai Wang , Rui Wang , Kaibin Huang

Over-the-air computation (OAC) enables low-latency aggregation over multiple-access channels (MACs) by exploiting the superposition property of the wireless medium to compute functions efficiently in distributed networks. A critical but…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Saeed Razavikia , Deniz Gündüz , Carlo Fischione

Federated learning (FL) over resource-constrained wireless networks has recently attracted much attention. However, most existing studies consider one FL task in single-cell wireless networks and ignore the impact of downlink/uplink…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Zhibin Wang , Yong Zhou , Yuanming Shi , Weihua Zhuang

In this paper, we propose an unmanned aerial vehicle (UAV)-assisted federated learning (FL) framework that jointly optimizes UAV trajectory, user participation, power allocation, and data volume control to minimize overall system energy…

Networking and Internet Architecture · Computer Science 2025-08-06 Chien-Wei Fu , Meng-Lin Ku

In this paper, we study a federated learning system at the wireless edge that uses over-the-air computation (AirComp). In such a system, users transmit their messages over a multi-access channel concurrently to achieve fast model…

Information Theory · Computer Science 2020-08-04 Ruichen Jiang , Sheng Zhou

Communication and computation are often viewed as separate tasks. This approach is very effective from the perspective of engineering as isolated optimizations can be performed. However, for many computation-oriented applications, the main…

Information Theory · Computer Science 2023-04-04 Alphan Sahin , Rui Yang

Deploying federated learning at the wireless edge introduces federated edge learning (FEEL). Given FEEL's limited communication resources and potential mislabeled data on devices, improper resource allocation or data selection can hurt…

Machine Learning · Computer Science 2024-07-04 Yunjian Jia , Zhen Huang , Jiping Yan , Yulu Zhang , Kun Luo , Wanli Wen

Over-the-air computation (OAC) is a promising wireless communication method for aggregating data from many devices in dense wireless networks. The fundamental idea of OAC is to exploit signal superposition to compute functions of multiple…

Signal Processing · Electrical Eng. & Systems 2023-09-29 Henrik Hellström , Saeed Razavikia , Viktoria Fodor , Carlo Fischione

Machine learning and wireless communication technologies are jointly facilitating an intelligent edge, where federated edge learning (FEEL) is a promising training framework. As wireless devices involved in FEEL are resource limited in…

Machine Learning · Computer Science 2021-06-02 Yuxuan Sun , Sheng Zhou , Zhisheng Niu , Deniz Gündüz

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

Over-the-Air Federated Learning (AirFL) is an emerging paradigm that tightly integrates wireless signal processing and distributed machine learning to enable scalable AI at the network edge. By leveraging the superposition property of…

Information Theory · Computer Science 2025-12-04 Seyed Mohammad Azimi-Abarghouyi , Carlo Fischione , Kaibin Huang

Combining wireless sensing and edge intelligence, edge perception networks enable intelligent data collection and processing at the network edge. However, traditional sample partition based horizontal federated edge learning struggles to…

Computers and Society · Computer Science 2025-12-04 Xiaowen Cao , Dingzhu Wen , Suzhi Bi , Yuanhao Cui , Guangxu Zhu , Han Hu , Yonina C. Eldar