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相关论文: Enhanced Over-the-Air Federated Learning Using AI-…

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The proliferation of Internet-of-Things (IoT) devices and cloud-computing applications over siloed data centers is motivating renewed interest in the collaborative training of a shared model by multiple individual clients via federated…

信息论 · 计算机科学 2021-10-14 Hong Xing , Osvaldo Simeone , Suzhi Bi

Addressing the communication bottleneck inherent in federated learning (FL), over-the-air FL (AirFL) has emerged as a promising solution, which is, however, hampered by deep fading conditions. In this paper, we propose AirFL-Mem, a novel…

信息论 · 计算机科学 2023-10-31 Haifeng Wen , Hong Xing , Osvaldo Simeone

To jointly overcome the communication bottleneck and privacy leakage of wireless federated learning (FL), this paper studies a differentially private over-the-air federated averaging (DP-OTA-FedAvg) system with a limited sum power budget.…

机器学习 · 计算机科学 2023-05-08 Na Yan , Kezhi Wang , Cunhua Pan , Kok Keong Chai , Feng Shu , Jiangzhou Wang

In this letter, we study the energy efficiency maximization problem for a fluid antenna system (FAS) in near field communications. Specifically, we consider a point-to-point near-field system where the base station (BS) transmitter has…

信号处理 · 电气工程与系统科学 2024-11-26 Yixuan Chen , Mingzhe Chen , Hao Xu , Zhaohui Yang , Kai-Kit Wong , Zhaoyang Zhang

To exploit unprecedented data generation in mobile edge networks, federated learning (FL) has emerged as a promising alternative to the conventional centralized machine learning (ML). However, there are some critical challenges for FL…

信号处理 · 电气工程与系统科学 2024-03-12 Zhiyuan Zhai , Xiaojun Yuan , Xin Wang , Huiyuan Yang

Federated edge learning (FEEL) enables wireless devices to collaboratively train a centralised model without sharing raw data, but repeated uplink transmission of model updates makes communication the dominant bottleneck. Over-the-air (OTA)…

信息论 · 计算机科学 2025-12-24 Antonio Tarizzo , Mohammad Kazemi , Deniz Gündüz

Federated Learning (FL) has gained attention across various industries for its capability to train machine learning models without centralizing sensitive data. While this approach offers significant benefits such as privacy preservation and…

机器学习 · 计算机科学 2024-09-19 Maryam Ben Driss , Essaid Sabir , Halima Elbiaze , Abdoulaye Baniré Diallo , Mohamed Sadik

In this paper, we propose a hybrid learning framework that combines federated and split learning, termed semi-federated learning (SemiFL), in which over-the-air computation is utilized for gradient aggregation. A key idea is to…

信号处理 · 电气工程与系统科学 2026-02-26 Jingheng Zheng , Hui Tian , Wanli Ni , Yang Tian , Ping Zhang

The federated learning (FL) framework enables edge clients to collaboratively learn a shared inference model while keeping privacy of training data on clients. Recently, many heuristics efforts have been made to generalize centralized…

机器学习 · 计算机科学 2022-07-18 Jiayin Jin , Jiaxiang Ren , Yang Zhou , Lingjuan Lyu , Ji Liu , Dejing Dou

In this paper, we investigate a fluid antenna relay (FAR)-assisted communication system with hybrid relaying scheme selection. By leveraging statistical channel state information (CSI) and distribution characteristics of fluid antenna…

信号处理 · 电气工程与系统科学 2026-01-21 Ruopeng Xu , Songling Zhang , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Kai-Kit Wong

Mixed-precision computing, a widely applied technique in AI, offers a larger trade-off space between accuracy and efficiency. The recent purposed Mixed-Precision Over-the-Air Federated Learning (MP-OTA-FL) enables clients to operate at…

机器学习 · 计算机科学 2025-03-21 Jinsheng Yuan , Yun Tang , Weisi Guo

Motivated by increasing computational capabilities of wireless devices, as well as unprecedented levels of user- and device-generated data, new distributed machine learning (ML) methods have emerged. In the wireless community, Federated…

信号处理 · 电气工程与系统科学 2021-11-22 Henrik Hellström , Viktoria Fodor , Carlo Fischione

In Federated Learning (FL) with over-the-air aggregation, the quality of the signal received at the server critically depends on the receive scaling factors. While a larger scaling factor can reduce the effective noise power and improve…

信息论 · 计算机科学 2025-10-07 Faeze Moradi Kalarde , Ben Liang , Min Dong , Yahia A. Eldemerdash Ahmed , Ho Ting Cheng

Federated learning (FL) has been considered a promising privacy preserving distributed edge learning framework. Over-the-air computation (AirComp) leveraging analog transmission enables the aggregation of local updates directly over-the-air…

信号处理 · 电气工程与系统科学 2026-04-06 Lorenz Bielefeld , Paul Zheng , Oner Hanay , Yao Zhu , Yulin Hu , Anke Schmeink

To enable communication-efficient federated learning (FL), this paper studies an unmanned aerial vehicle (UAV)-enabled FL system, where the UAV coordinates distributed ground devices for a shared model training. Specifically, by exploiting…

信号处理 · 电气工程与系统科学 2022-10-21 Min Fu , Yuanming Shi , Yong Zhou

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…

信息论 · 计算机科学 2026-03-20 Wenchao Liu , Xuhui Zhang , Jinke Ren , Weijie Yuan , Changsheng You , Shuangyang Li

Over-the-air federated edge learning (Air-FEEL) is a communication-efficient solution for privacy-preserving distributed learning over wireless networks. Air-FEEL allows "one-shot" over-the-air aggregation of gradient/model-updates by…

信息论 · 计算机科学 2020-11-12 Xiaowen Cao , Guangxu Zhu , Jie Xu , Shuguang Cui

Fluid antenna (FA) systems offer novel spatial degrees of freedom (DoFs) with the potential for significant performance gains. Compared to existing works focusing solely on optimizing FA positions at discrete time instants, we introduce the…

信号处理 · 电气工程与系统科学 2026-03-30 Shuaixin Yang , Yijia Li , Yue Xiao , Yong Liang Guan , Kai-Kit Wong , Hyundong Shin , Chau Yuen

Federated learning (FL), as a disruptive machine learning paradigm, enables the collaborative training of a global model over decentralized local datasets without sharing them. It spans a wide scope of applications from Internet-of-Things…

信号处理 · 电气工程与系统科学 2022-04-01 Yuhan Yang , Yong Zhou , Youlong Wu , Yuanming Shi

The emerging machine learning paradigm of decentralized federated learning (DFL) has the promise of greatly boosting the deployment of artificial intelligence (AI) by directly learning across distributed agents without centralized…

机器学习 · 计算机科学 2024-08-12 Yudi Huang , Tingyang Sun , Ting He