English
Related papers

Related papers: Unsourced Massive Access-Based Digital Over-the-Ai…

200 papers

Federated learning (FL) enables mobile devices to collaboratively learn a shared prediction model while keeping data locally. However, there are two major research challenges to practically deploy FL over mobile devices: (i) frequent…

Machine Learning · Computer Science 2022-08-16 Liang Li , Chenpei Huang , Dian Shi , Hao Wang , Xiangwei Zhou , Minglei Shu , Miao Pan

This paper presents the first broadband digital over-the-air computation (AirComp) system for phase asynchronous OFDM-based federated edge learning systems. Existing analog AirComp systems often assume perfect phase alignment via channel…

Information Theory · Computer Science 2021-11-23 Xinbo Zhao , Lizhao You , Rui Cao , Yulin Shao , Liqun Fu

Edge federated learning (FL) is an emerging paradigm that trains a global parametric model from distributed datasets based on wireless communications. This paper proposes a unit-modulus over-the-air computation (UMAirComp) framework to…

Information Theory · Computer Science 2022-04-12 Shuai Wang , Yuncong Hong , Rui Wang , Qi Hao , Yik-Chung Wu , Derrick Wing Kwan Ng

For distributed learning among collaborative users, this paper develops and analyzes a communication-efficient scheme for federated learning (FL) over the air, which incorporates 1-bit compressive sensing (CS) into analog aggregation…

Machine Learning · Computer Science 2021-03-31 Xin Fan , Yue Wang , Yan Huo , Zhi Tian

With huge amounts of data explosively increasing in the mobile edge, over-the-air federated learning (OA-FL) emerges as a promising technique to reduce communication costs and privacy leak risks. However, when devices in a relatively large…

Signal Processing · Electrical Eng. & Systems 2022-09-26 Xiangyu Zhong , Xiaojun Yuan , Huiyuan Yang , Chenxi Zhong

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

Communication and computation are often viewed as separate tasks. This approach is very effective from the perspective of engineering as isolated optimizations can be performed. However, for many computation-oriented applications, the main…

Information Theory · Computer Science 2023-04-04 Alphan Sahin , Rui Yang

This paper considers over-the-air federated learning (OTA-FL). OTA-FL exploits the superposition property of the wireless medium, and performs model aggregation over the air for free. Thus, it can greatly reduce the communication cost…

Machine Learning · Computer Science 2022-05-13 Haibo Yang , Peiwen Qiu , Jia Liu , Aylin Yener

This study introduces a novel non-coherent over-the-air computation (OAC) scheme aimed at achieving reliable majority vote (MV) calculations in fading channels. The proposed approach relies on modulating the amplitude of the elements of…

Information Theory · Computer Science 2023-08-15 Alphan Sahin , Xiaofeng Wang

Federated learning (FL) has emerged as a distributed machine learning (ML) technique to train models without sharing users' private data. In this paper, we propose a decentralized FL scheme that is called \underline{f}ederated…

Information Theory · Computer Science 2022-06-08 Mohammed S. Al-Abiad , Mohanad Obeed , Md. Jahangir Hossain , Anas Chaaban

Federated Edge Learning (FEEL) is a promising distributed learning technique that aims to train a shared global model while reducing communication costs and promoting users' privacy. However, the training process might significantly occupy…

Networking and Internet Architecture · Computer Science 2022-03-10 Boubakr Nour , Soumaya Cherkaoui

In this study, we propose an over-the-air computation (AirComp) scheme for federated edge learning (FEEL) without channel state information (CSI) at the edge devices (EDs) or the edge server (ES). The proposed scheme relies on non-coherent…

Signal Processing · Electrical Eng. & Systems 2021-12-28 Alphan Sahin , Bryson Everette , Safi Shams Muhtasimul Hoque

This work is concerned with integrated sensing, communication, and computation (ISCC) in uplink orthogonal frequency division multiplexing (OFDM) systems, wherein multiple devices perform target sensing and over-the-air computation…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Biao Dong , Bin Cao , Qinyu Zhang

In this study, we propose an over-the-air computation (AirComp) scheme for federated edge learning (FEEL). The proposed scheme relies on the concept of distributed learning by majority vote (MV) with sign stochastic gradient descend…

Signal Processing · Electrical Eng. & Systems 2021-11-04 Alphan Sahin , Bryson Everette , Safi Shams Muhtasimul Hoque

Over-the-air computation (OAC) is a promising wireless communication method for aggregating data from many devices in dense wireless networks. The fundamental idea of OAC is to exploit signal superposition to compute functions of multiple…

Signal Processing · Electrical Eng. & Systems 2023-09-29 Henrik Hellström , Saeed Razavikia , Viktoria Fodor , Carlo Fischione

Incorporating over-the-air computations (OAC) into the model training process of federated learning (FL) is an effective approach to alleviating the communication bottleneck in FL systems. Under OAC-FL, every client modulates its…

Machine Learning · Computer Science 2025-12-23 Jiaqi Zhu , Zhongyuan Zhao , Xiao Li , Ruihao Du , Shi Jin , Howard H. Yang

Over-the-air computation (OAC) enables low-latency aggregation over multiple-access channels (MACs) by exploiting the superposition property of the wireless medium to compute functions efficiently in distributed networks. A critical but…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Saeed Razavikia , Deniz Gündüz , Carlo Fischione

This paper introduces a new federated learning scheme that leverages over-the-air computation. A novel feature of this scheme is the proposal to employ adaptive weights during aggregation, a facet treated as predefined in other over-the-air…

Information Theory · Computer Science 2024-09-13 Seyed Mohammad Azimi-Abarghouyi , Leandros Tassiulas

Over-the-air computation (AirComp) has emerged as a new analog power-domain non-orthogonal multiple access (NOMA) technique for low-latency model/gradient-updates aggregation in federated edge learning (FEEL). By integrating communication…

Information Theory · Computer Science 2021-11-12 Xiaowen Cao , Guangxu Zhu , Jie Xu , Shuguang Cui

Departing from the classic paradigm of data-centric designs, the 6G networks for supporting edge AI features task-oriented techniques that focus on effective and efficient execution of AI task. Targeting end-to-end system performance, such…

Information Theory · Computer Science 2022-11-03 Dingzhu Wen , Xiang Jiao , Peixi Liu , Guangxu Zhu , Yuanming Shi , Kaibin Huang