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Machine learning and wireless communication technologies are jointly facilitating an intelligent edge, where federated edge learning (FEEL) is a promising training framework. As wireless devices involved in FEEL are resource limited in…

Machine Learning · Computer Science 2021-06-02 Yuxuan Sun , Sheng Zhou , Zhisheng Niu , Deniz Gündüz

In this paper, we study how to optimize the federated edge learning (FEEL) in UAV-enabled Internet of things (IoT) for B5G/6G networks, from a deep reinforcement learning (DRL) approach. The federated learning is an effective framework to…

Networking and Internet Architecture · Computer Science 2021-06-09 Shunpu Tang , Wenqi Zhou , Lunyuan Chen , Lijia Lai , Junjuan Xia , Liseng Fan

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…

Signal Processing · Electrical Eng. & Systems 2023-09-19 Houssem Sifaou , Geoffrey Ye Li

Over-the-air (OTA) federated learning (FL) effectively utilizes communication bandwidth, yet it is vulnerable to errors during analog aggregation. While removing users with unfavorable channel conditions can mitigate these errors, it also…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Yang Zhao , Minrui Xu , Ping Wang , Dusit Niyato

The development of applications based on artificial intelligence and implemented over wireless networks is increasingly rapidly and is expected to grow dramatically in the future. The resulting demand for the aggregation of large amounts of…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Bingnan Xiao , Xichen Yu , Wei Ni , Xin Wang , H. Vincent Poor

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…

Machine Learning · Computer Science 2025-01-08 Shayan Mohajer Hamidi , Ali Bereyhi , Saba Asaad , H. Vincent Poor

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…

Machine Learning · Computer Science 2025-05-14 Jinsheng Yuan , Zhuangkun Wei , Weisi Guo

Federated learning (FL) is a promising learning paradigm that can tackle the increasingly prominent isolated data islands problem while keeping users' data locally with privacy and security guarantees. However, FL could result in…

Information Theory · Computer Science 2022-03-30 Peng Yang , Yuning Jiang , Ting Wang , Yong Zhou , Yuanming Shi , Colin N. Jones

The stringent requirements for low-latency and privacy of the emerging high-stake applications with intelligent devices such as drones and smart vehicles make the cloud computing inapplicable in these scenarios. Instead, edge machine…

Machine Learning · Computer Science 2019-02-19 Kai Yang , Tao Jiang , Yuanming Shi , Zhi Ding

Over-the-air computation (OAC) is a promising technique to achieve fast model aggregation across multiple devices in federated edge learning (FEEL). In addition to the analog schemes, one-bit digital aggregation (OBDA) scheme was proposed…

Information Theory · Computer Science 2023-05-19 Li Qiao , Zhen Gao , Zhongxiang Li , Deniz Gündüz

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…

Information Theory · Computer Science 2020-11-12 Xiaowen Cao , Guangxu Zhu , Jie Xu , Shuguang Cui

In this paper, we develop an orthogonal-frequency-division-multiplexing (OFDM)-based over-the-air (OTA) aggregation solution for wireless federated learning (FL). In particular, the local gradients in massive IoT devices are modulated by an…

Signal Processing · Electrical Eng. & Systems 2021-10-28 Huayan Guo , Yifan Zhu , Haoyu Ma , Vincent K. N. Lau , Kaibin Huang , Xiaofan Li , Huabin Nong , Mingyu Zhou

Over-the-air (OTA) federated learning (FL) has been well recognized as a scalable paradigm that exploits the waveform superposition of the wireless multiple-access channel to aggregate model updates in a single use. Existing OTA-FL designs…

Machine Learning · Computer Science 2026-02-16 Muhammad Faraz Ul Abrar , Nicolò Michelusi

Over-the-Air Federated Learning (AirFL) is an emerging paradigm that tightly integrates wireless signal processing and distributed machine learning to enable scalable AI at the network edge. By leveraging the superposition property of…

Information Theory · Computer Science 2025-12-04 Seyed Mohammad Azimi-Abarghouyi , Carlo Fischione , Kaibin Huang

Federated edge learning (FEEL) enables privacy-preserving model training through periodic communication between edge devices and the server. Unmanned Aerial Vehicle (UAV)-mounted edge devices are particularly advantageous for FEEL due to…

Information Theory · Computer Science 2023-06-06 Yao Tang , Guangxu Zhu , Wei Xu , Man Hon Cheung , Tat-Ming Lok , Shuguang Cui

Recent advances in distributed learning systems have introduced effective solutions for implementing collaborative artificial intelligence techniques in wireless communication networks. Federated learning approaches provide a…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-22 Zhuoyu Yao , Yue Wang , Songyang Zhang , Yingshu Li , Zhipeng Cai , Zhi Tian

Federated learning (FL) is an emerging machine learning paradigm for training models across multiple edge devices holding local data sets, without explicitly exchanging the data. Recently, over-the-air (OTA) FL has been suggested to reduce…

Signal Processing · Electrical Eng. & Systems 2023-03-31 Tomer Gafni , Kobi Cohen , Yonina C. Eldar

Federated Learning (FL) is a distributed machine learning technique, where each device contributes to the learning model by independently computing the gradient based on its local training data. It has recently become a hot research topic,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-28 Afaf Taïk , Soumaya Cherkaoui

Over-the-air federated learning (OTA-FL) provides bandwidth-efficient learning by leveraging the inherent superposition property of wireless channels. Personalized federated learning balances performance for users with diverse datasets,…

Information Theory · Computer Science 2024-01-23 Jiayu Mao , Aylin Yener

Over-the-air federated learning (OTA-FL) is an emerging technique to reduce the computation and communication overload at the PS caused by the orthogonal transmissions of the model updates in conventional federated learning (FL). This…

Information Theory · Computer Science 2023-05-29 Saba Asaad , Hina Tabassum , Chongjun Ouyang , Ping Wang