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In this paper, a communication-efficient federated learning (FL) framework is proposed for improving the convergence rate of FL under a limited uplink capacity. The central idea of the proposed framework is to transmit the values and…

Signal Processing · Electrical Eng. & Systems 2023-07-21 Jaewon Yun , Yongjeong Oh , Yo-Seb Jeon , H. Vincent Poor

To handle the data explosion in the era of internet of things (IoT), it is of interest to investigate the decentralized network, with the aim at relaxing the burden to central server along with keeping data privacy. In this work, we develop…

Signal Processing · Electrical Eng. & Systems 2020-07-28 Yue Xiao , Yu Ye , Shaocheng Huang , Li Hao , Zheng Ma , Ming Xiao , Shahid Mumtaz

Federated learning (FL) enables on-device training over distributed networks consisting of a massive amount of modern smart devices, such as smartphones and IoT (Internet of Things) devices. However, the leading optimization algorithm in…

Machine Learning · Computer Science 2019-09-04 Xin Yao , Tianchi Huang , Chenglei Wu , Rui-Xiao Zhang , Lifeng Sun

Unmanned Aerial Vehicle (UAV) swarms are increasingly deployed in dynamic, data-rich environments for applications such as environmental monitoring and surveillance. These scenarios demand efficient data processing while maintaining privacy…

Machine Learning · Computer Science 2024-10-22 Chen Hu , Hanchi Ren , Jingjing Deng , Xianghua Xie

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

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of ground nodes (GNs) via distributed beamforming. We consider two scenarios…

Information Theory · Computer Science 2021-08-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

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

This letter considers an unmanned aerial vehicle (UAV)-enabled relay communication system for delivering latency-critical messages with ultra-high reliability, where the relay is operating under amplifier-and-forward (AF) mode. We aim to…

Signal Processing · Electrical Eng. & Systems 2020-07-21 Hong Ren , Cunhua Pan , Kezhi Wang , Wei Xu , Maged Elkashlan , Arumugam Nallanathan

In this paper, the problem of minimizing energy and time consumption for task computation and transmission is studied in a mobile edge computing (MEC)-enabled balloon network. In the considered network, each user needs to process a…

Signal Processing · Electrical Eng. & Systems 2020-03-23 Sihua Wang , Mingzhe Chen , Changchuan Yin , Walid Saad , Choong Seon Hong , Shuguang Cui , H. Vincent Poor

Federated learning is a machine learning training paradigm that enables clients to jointly train models without sharing their own localized data. However, the implementation of federated learning in practice still faces numerous challenges,…

Machine Learning · Computer Science 2023-04-21 Yujia Wang , Lu Lin , Jinghui Chen

In this paper, we propose a resource allocation framework for federated learning (FL) in integrated sensing and communication (ISAC) systems, where we consider not only the reliability of model transfer through communication, but also the…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Lai Jiang , Kaitao Meng , Murat Temiz , Christos Masouros

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…

Machine Learning · Computer Science 2023-03-10 Xidong Wu , Feihu Huang , Zhengmian Hu , Heng Huang

In federated learning (FL), a number of devices train their local models and upload the corresponding parameters or gradients to the base station (BS) to update the global model while protecting their data privacy. However, due to the…

Machine Learning · Computer Science 2022-05-04 Zhigang Yan , Dong Li , Zhichao Zhang , Jiguang He

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)…

Machine Learning · Computer Science 2024-12-31 Nishant S. Gaikwad , Lucas Heublein , Nisha L. Raichur , Tobias Feigl , Christopher Mutschler , Felix Ott

Federated learning has gained popularity as a means of training models distributed across the wireless edge. The paper introduces delay-aware hierarchical federated learning (DFL) to improve the efficiency of distributed machine learning…

Machine Learning · Computer Science 2023-09-29 Frank Po-Chen Lin , Seyyedali Hosseinalipour , Nicolò Michelusi , Christopher Brinton

In wireless federated learning (FL), the clients need to transmit the high-dimensional deep neural network (DNN) parameters through bandwidth-limited channels, which causes the communication latency issue. In this paper, we propose a…

Machine Learning · Computer Science 2025-10-10 Linping Qu , Shenghui Song , Chi-Ying Tsui

Unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) is regarded as a key enabler for next-generation wireless systems. However, conventional fixed-position antennas limit the ability of UAVs to fully exploit…

Information Theory · Computer Science 2026-03-20 Wenchao Liu , Xuhui Zhang , Jinke Ren , Weijie Yuan , Changsheng You , Shuangyang Li

Decentralized learning empowers wireless network devices to collaboratively train a machine learning (ML) model relying solely on device-to-device (D2D) communication. It is known that the convergence speed of decentralized optimization…

Information Theory · Computer Science 2022-06-01 Matteo Zecchin , David Gesbert , Marios Kountouris

Federated learning (FL) enables distributed model training from local data collected by users. In distributed systems with constrained resources and potentially high dynamics, e.g., mobile edge networks, the efficiency of FL is an important…

Machine Learning · Computer Science 2022-12-19 Shiqiang Wang , Jake Perazzone , Mingyue Ji , Kevin S. Chan

Recently, a considerable amount of works have been made to tackle the communication burden in federated learning (FL) (e.g., model quantization, data sparsification, and model compression). However, the existing methods, that boost the…

Information Theory · Computer Science 2022-06-15 Xuan-Tung Nguyen , Minh-Duong Nguyen , Quoc-Viet Pham , Vinh-Quang Do , Won-Joo Hwang
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