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Recently, the rapid development of LEO satellite networks spurs another widespread concern-data processing at satellites. However, achieving efficient computation at LEO satellites in highly dynamic satellite networks is challenging and…

网络与互联网体系结构 · 计算机科学 2025-04-21 Jiasheng Wu , Jingjing Zhang , Zheng Lin , Zhe Chen , Xiong Wang , Wenjun Zhu , Yue Gao

Mega-constellations of small satellites have evolved into a source of massive amount of valuable data. To manage this data efficiently, on-board federated learning (FL) enables satellites to train a machine learning (ML) model…

分布式、并行与集群计算 · 计算机科学 2024-02-15 Nasrin Razmi , Bho Matthiesen , Armin Dekorsy , Petar Popovski

Federated Learning (FL) is a variant of distributed learning where edge devices collaborate to learn a model without sharing their data with the central server or each other. We refer to the process of training multiple independent models…

机器学习 · 计算机科学 2022-09-22 Neelkamal Bhuyan , Sharayu Moharir , Gauri Joshi

Federated learning (FL) is a type of distributed machine learning at the wireless edge that preserves the privacy of clients' data from adversaries and even the central server. Existing federated learning approaches either use (i) secure…

信号处理 · 电气工程与系统科学 2023-03-30 Raphael Pinard , Mitra Hassani , Wayne Lemieux

Satellite technologies have advanced drastically in recent years, leading to a heated interest in launching small satellites into low Earth orbit (LEOs) to collect massive data such as satellite imagery. Downloading these data to a ground…

密码学与安全 · 计算机科学 2023-09-06 Mohamed Elmahallawy , Tie Luo , Mohamed I. Ibrahem

A Low Earth orbit (LEO) satellite constellation consists of a large number of small satellites traveling in space with high mobility and collecting vast amounts of mobility data such as cloud movement for weather forecast, large herds of…

机器学习 · 计算机科学 2023-05-23 Mohamed Elmahallawy , Tie Luo

Recent breakthroughs in quantum computing present transformative opportunities for advancing Federated Learning (FL), particularly in non-terrestrial environments characterized by stringent communication and coordination constraints. In…

分布式、并行与集群计算 · 计算机科学 2025-09-23 Dev Gurung , Shiva Raj Pokhrel

Low Earth Orbit (LEO) Non-Terrestrial Networks (NTNs) require efficient beam management under dynamic propagation conditions. This work investigates Federated Learning (FL)-based beam selection in LEO satellite constellations, where orbital…

We investigate the application of Federated Learning (FL) for ship detection across diverse satellite datasets, offering a privacy-preserving solution that eliminates the need for data sharing or centralized collection. This approach is…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Tran-Vu La , Minh-Tan Pham , Yu Li , Patrick Matgen , Marco Chini

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…

信号处理 · 电气工程与系统科学 2020-05-27 Stefano Savazzi , Monica Nicoli , Vittorio Rampa

Large-scale low-Earth-orbit (LEO) satellite systems are increasingly valued for their ability to enable rapid and wide-area data exchange, thereby facilitating the collaborative training of artificial intelligence (AI) models across…

机器学习 · 计算机科学 2025-09-17 Binquan Guo , Junteng Cao , Marie Siew , Binbin Chen , Tony Q. S. Quek , Zhu Han

Federated Learning (FL) is a distributed machine learning approach that enables model training in communication efficient and privacy-preserving manner. The standard optimization method in FL is Federated Averaging (FedAvg), which performs…

机器学习 · 计算机科学 2023-09-21 Zeyi Tao , Jindi Wu , Qun Li

Federated learning (FL) is a recently proposed distributed machine learning paradigm dealing with distributed and private data sets. Based on the data partition pattern, FL is often categorized into horizontal, vertical, and hybrid…

机器学习 · 计算机科学 2021-02-19 Xinwei Zhang , Wotao Yin , Mingyi Hong , Tianyi Chen

Federated learning (FL) enables multiple devices to collaboratively train a global model while maintaining data on local servers. Each device trains the model on its local server and shares only the model updates (i.e., gradient weights)…

机器学习 · 计算机科学 2024-12-31 Nishant S. Gaikwad , Lucas Heublein , Nisha L. Raichur , Tobias Feigl , Christopher Mutschler , Felix Ott

Satellite constellations in low-Earth orbit are now widespread, enabling positioning, Earth imaging, and communications. In this paper we address the solution of learning problems using these satellite constellations. In particular, we…

Federated learning in satellite constellations, where the satellites collaboratively train a machine learning model, is a promising technology towards enabling globally connected intelligence and the integration of space networks into…

分布式、并行与集群计算 · 计算机科学 2024-09-24 Nasrin Razmi , Bho Matthiesen , Armin Dekorsy , Petar Popovski

Low Earth orbit (LEO) satellites are capable of gathering abundant Earth observation data (EOD) to enable different Internet of Things (IoT) applications. However, to accomplish an effective EOD processing mechanism, it is imperative to…

网络与互联网体系结构 · 计算机科学 2024-10-21 Luyao Zou , Yu Min Park , Chu Myaet Thwal , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

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…

机器学习 · 计算机科学 2023-10-17 Jingyang Zhu , Yuanming Shi , Yong Zhou , Chunxiao Jiang , Wei Chen , Khaled B. Letaief

Federated learning has attracted increasing attention with the emergence of distributed data. While extensive federated learning algorithms have been proposed for the non-convex distributed problem, federated learning in practice still…

机器学习 · 计算机科学 2023-03-10 Xidong Wu , Feihu Huang , Zhengmian Hu , Heng Huang

Federated averaging (FedAvg) is a popular federated learning (FL) technique that updates the global model by averaging local models and then transmits the updated global model to devices for their local model update. One main limitation of…

机器学习 · 计算机科学 2021-12-15 Luong Trung Nguyen , Junhan Kim , Byonghyo Shim