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Federated learning (FL) is a privacy-preserving distributed machine learning paradigm that operates at the wireless edge. It enables clients to collaborate on model training while keeping their data private from adversaries and the central…

机器学习 · 计算机科学 2023-06-06 Wayne Lemieux , Raphael Pinard , Mitra Hassani

These days with the rising computational capabilities of wireless user equipment such as smart phones, tablets, and vehicles, along with growing concerns about sharing private data, a novel machine learning model called federated learning…

机器学习 · 计算机科学 2025-04-23 Sajjad Emdadi Mahdimahalleh

Federated learning (FL) has been considered as a promising learning framework for future machine learning systems due to its privacy preservation and communication efficiency. In beyond-5G/6G systems, it is likely to have multiple FL groups…

信息论 · 计算机科学 2021-07-21 Tung T. Vu , Hien Quoc Ngo , Thomas L. Marzetta , Michail Matthaiou

Federated learning (FL) provides a communication-efficient approach to solve machine learning problems concerning distributed data, without sending raw data to a central server. However, existing works on FL only utilize first-order…

机器学习 · 计算机科学 2019-10-10 Wei Liu , Li Chen , Yunfei Chen , Wenyi Zhang

Federated learning is a communication-efficient training process that alternates between local training at the edge devices and averaging the updated local model at the central server. Nevertheless, it is impractical to achieve a perfect…

机器学习 · 计算机科学 2019-11-04 Fan Ang , Li Chen , Nan Zhao , Yunfei Chen , Weidong Wang , F. Richard Yu

Federated learning (FL) is a popular collaborative distributed machine learning paradigm across mobile devices. However, practical FL over resource constrained mobile devices confronts multiple challenges, e.g., the local on-device training…

网络与互联网体系结构 · 计算机科学 2022-05-24 Rui Chen , Liang Li , Kaiping Xue , Chi Zhang , Miao Pan , Yuguang Fang

This paper proposes a novel scheme for cell-free massive multiple-input multiple-output (CFmMIMO) networks to support any federated learning (FL) framework. This scheme allows each instead of all the iterations of the FL framework to happen…

信号处理 · 电气工程与系统科学 2020-06-16 Tung T. Vu , Duy T. Ngo , Nguyen H. Tran , Hien Quoc Ngo , Minh N. Dao , Richard H. Middleton

Federated Learning (FL) is commonly used in systems with distributed and heterogeneous devices with access to varying amounts of data and diverse computing and storage capacities. FL training process enables such devices to update the…

机器学习 · 计算机科学 2024-05-31 Zeyneddin Oz , Ceylan Soygul Oz , Abdollah Malekjafarian , Nima Afraz , Fatemeh Golpayegani

Millimeter wave multiple-input multiple-output (mmWave-MIMO) systems with small number of radio-frequency (RF) chains have limited multiplexing gain. Spatial path index modulation (SPIM) is helpful in improving this gain by utilizing…

信号处理 · 电气工程与系统科学 2021-02-16 Ahmet M. Elbir , Sinem Coleri , Kumar Vijay Mishra

In federated learning (FL), model training is distributed over clients and local models are aggregated by a central server. The performance of uploaded models in such situations can vary widely due to imbalanced data distributions,…

分布式、并行与集群计算 · 计算机科学 2021-09-14 Kang Wei , Jun Li , Chuan Ma , Ming Ding , Cailian Chen , Shi Jin , Zhu Han , H. Vincent Poor

Wireless federated learning (FL) relies on efficient uplink communications to aggregate model updates across distributed edge devices. Over-the-air computation (a.k.a. AirComp) has emerged as a promising approach for addressing the…

信息论 · 计算机科学 2024-04-16 Yujia Mu , Xizixiang Wei , Cong Shen

With the rapid proliferation of smart mobile devices, federated learning (FL) has been widely considered for application in wireless networks for distributed model training. However, data heterogeneity, e.g., non-independently identically…

机器学习 · 计算机科学 2023-08-08 Xuefeng Han , Jun Li , Wen Chen , Zhen Mei , Kang Wei , Ming Ding , H. Vincent Poor

Machine Learning (ML) systems are getting increasingly popular, and drive more and more applications and services in our daily life. This has led to growing concerns over user privacy, since human interaction data typically needs to be…

We propose a novel uplink communication method, coined random orthogonalization, for federated learning (FL) in a massive multiple-input and multiple-output (MIMO) wireless system. The key novelty of random orthogonalization comes from the…

信息论 · 计算机科学 2022-02-01 Xizixiang Wei , Cong Shen , Jing Yang , H. Vincent Poor

Federated learning (FL) has emerged as a powerful approach to safeguard data privacy by training models across distributed edge devices without centralizing local data. Despite advancements in homogeneous data scenarios, maintaining…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yuting Ma , Shengeng Tang , Xiaohua Xu , Lechao Cheng

At present, there is a trend to deploy ubiquitous artificial intelligence (AI) applications at the edge of the network. As a promising framework that enables secure edge intelligence, federated learning (FL) has received widespread…

信息论 · 计算机科学 2024-03-29 Chunmei Xu , Shengheng Liu , Yongming Huang , Bjorn Ottersten , Dusit Niyato

Cooperative training methods for distributed machine learning are typically based on the exchange of local gradients or local model parameters. The latter approach is known as Federated Learning (FL). An alternative solution with reduced…

信号处理 · 电气工程与系统科学 2020-02-05 Jin-Hyun Ahn , Osvaldo Simeone , Joonhyuk Kang

In this paper, the performance optimization of federated learning (FL), when deployed over a realistic wireless multiple-input multiple-output (MIMO) communication system with digital modulation and over-the-air computation (AirComp) is…

信息论 · 计算机科学 2024-04-26 Sihua Wang , Mingzhe Chen , Cong Shen , Changchuan Yin , Christopher G. Brinton

In federated learning, a server must periodically broadcast a model to the agents. We propose to use multi-resolution coding and modulation (also known as non-uniform modulation) for this purpose. In the simplest instance, broadcast…

网络与互联网体系结构 · 计算机科学 2024-05-31 Henrik Rydén , Reza Moosavi , Erik G. Larsson

Downlink beamforming is an essential technology for wireless cellular networks; however, the design of beamforming vectors that maximize the weighted sum rate (WSR) is an NP-hard problem and iterative algorithms are typically applied to…

信号处理 · 电气工程与系统科学 2022-06-28 Jingyuan Xia , Gunduz Deniz