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Federated learning (FL) as a promising edge-learning framework can effectively address the latency and privacy issues by featuring distributed learning at the devices and model aggregation in the central server. In order to enable efficient…

信息论 · 计算机科学 2022-07-12 Chunmei Xu , Shengheng Liu , Zhaohui Yang , Yongming Huang , Kai-Kit Wong

Over-the-air computation (AirComp) has emerged as a new analog power-domain non-orthogonal multiple access (NOMA) technique for low-latency model/gradient-updates aggregation in federated edge learning (FEEL). By integrating communication…

信息论 · 计算机科学 2021-11-12 Xiaowen Cao , Guangxu Zhu , Jie Xu , Shuguang Cui

Federated edge learning is a promising technology to deploy intelligence at the edge of wireless networks in a privacy-preserving manner. Under such a setting, multiple clients collaboratively train a global generic model under the…

机器学习 · 计算机科学 2023-02-27 Zihan Chen , Zeshen Li , Howard H. Yang , Tony Q. S. Quek

Over-the-Air Federated Learning (OTA-FL) is a privacy-preserving distributed learning mechanism, by aggregating updates in the electromagnetic channel rather than at the server. A critical research gap in existing OTA-FL research is the…

机器学习 · 计算机科学 2025-05-14 Jinsheng Yuan , Zhuangkun Wei , Weisi Guo

This paper presents the first orthogonal frequency-division multiplexing(OFDM)-based digital over-the-air computation (AirComp) system for wireless federated edge learning, where multiple edge devices transmit model data simultaneously…

信息论 · 计算机科学 2023-07-06 Lizhao You , Xinbo Zhao , Rui Cao , Yulin Shao , Liqun Fu

Edge federated learning (FL) is an emerging paradigm that trains a global parametric model from distributed datasets based on wireless communications. This paper proposes a unit-modulus over-the-air computation (UMAirComp) framework to…

信息论 · 计算机科学 2022-04-12 Shuai Wang , Yuncong Hong , Rui Wang , Qi Hao , Yik-Chung Wu , Derrick Wing Kwan Ng

For distributed learning among collaborative users, this paper develops and analyzes a communication-efficient scheme for federated learning (FL) over the air, which incorporates 1-bit compressive sensing (CS) into analog aggregation…

机器学习 · 计算机科学 2021-03-31 Xin Fan , Yue Wang , Yan Huo , Zhi Tian

We propose a multi-sender, multi-receiver over-the-air computation (OAC) framework for wireless networked control systems (WNCS) with structural constraints. Our approach enables actuators to directly compute and apply control signals from…

系统与控制 · 电气工程与系统科学 2025-05-06 Seif Hussein , Chinwendu Enyioha , Carlo Fischione

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…

机器学习 · 计算机科学 2025-01-08 Shayan Mohajer Hamidi , Ali Bereyhi , Saba Asaad , H. Vincent Poor

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…

信号处理 · 电气工程与系统科学 2024-04-22 Saeed Razavikia , José Mairton Barros Da Silva Júnior , Carlo Fischione

Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) system is a prominent concept, where a UAV equipped with a MEC server is deployed to serve a number of terminal devices (TDs) of Internet of Things (IoT) in a finite period.…

信号处理 · 电气工程与系统科学 2020-08-13 Tiankui Zhang , Yu Xu , Jonathan Loo , Dingcheng Yang , Lin Xiao

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…

信号处理 · 电气工程与系统科学 2023-09-19 Houssem Sifaou , Geoffrey Ye Li

Federated learning (FL) enables mobile devices to collaboratively learn a shared prediction model while keeping data locally. However, there are two major research challenges to practically deploy FL over mobile devices: (i) frequent…

机器学习 · 计算机科学 2022-08-16 Liang Li , Chenpei Huang , Dian Shi , Hao Wang , Xiangwei Zhou , Minglei Shu , Miao Pan

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…

信息论 · 计算机科学 2022-03-07 Zehong Lin , Hang Liu , Ying-Jun Angela Zhang

We study over-the-air model aggregation in federated edge learning (FEEL) systems, where channel state information at the transmitters (CSIT) is assumed to be unavailable. We leverage the reconfigurable intelligent surface (RIS) technology…

信息论 · 计算机科学 2024-10-28 Hang Liu , Xiaojun Yuan , Ying-Jun Angela Zhang

The popular federated edge learning (FEEL) framework allows privacy-preserving collaborative model training via frequent learning-updates exchange between edge devices and server. Due to the constrained bandwidth, only a subset of devices…

网络与互联网体系结构 · 计算机科学 2021-07-27 Maojun Zhang , Guangxu Zhu , Shuai Wang , Jiamo Jiang , Caijun Zhong , Shuguang Cui

Federated Edge Learning (FEEL) is a promising distributed learning technique that aims to train a shared global model while reducing communication costs and promoting users' privacy. However, the training process might significantly occupy…

网络与互联网体系结构 · 计算机科学 2022-03-10 Boubakr Nour , Soumaya Cherkaoui

Distributed machine learning (ML) over wireless networks hinges on accurate channel state information (CSI) and efficient exchange of high-dimensional model updates. These demands are governed by channel coherence time and bandwidth, which…

信息论 · 计算机科学 2026-03-10 Mehdi Karbalayghareh , David J. Love , Christopher G. Brinton

Over-the-Air Computation is a beyond-5G communication strategy that has recently been shown to be useful for the decentralized training of machine learning models due to its efficiency. In this paper, we propose an Over-the-Air federated…

机器学习 · 计算机科学 2024-03-08 Halil Yigit Oksuz , Fabio Molinari , Henning Sprekeler , Joerg Raisch

The rapid deployment of mega-constellations is driving the long-term vision of space data centers (SDCs), where interconnected satellites form in-orbit distributed computing and learning infrastructures. Enabling distributed federated…

信号处理 · 电气工程与系统科学 2026-01-09 Anbang Zhang , Chenyuan Feng , Wai Ho Mow , Jia Ye , Shuaishuai Guo , Geyong Min , Tony Q. S. Quek