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相关论文: Over-The-Air Computation in Correlated Channels

200 篇论文

In 6G wireless networks, Artificial Intelligence (AI)-driven applications demand the adoption of Federated Learning (FL) to enable efficient and privacy-preserving model training across distributed devices. Over-The-Air Federated Learning…

机器学习 · 计算机科学 2025-06-23 Zubair Shaban , Nazreen Shah , Ranjitha Prasad

In this paper, we address the average consensus problem of multi-agent systems over wireless networks. We propose a distributed average consensus algorithm by invoking the concept of over-the-air aggregation, which exploits the signal…

系统与控制 · 电气工程与系统科学 2025-07-31 Themistoklis Charalambous , Zheng Chen , Christoforos N. Hadjicostis

In this work, we consider the problem of distributed approximation of functions over multiple-access channels with additive noise. In contrast to previous works, we take fast fading into account and give explicit probability bounds for the…

信息论 · 计算机科学 2021-03-01 Igor Bjelakovic , Matthias Frey , Slawomir Stanczak

Many sensor applications are interested in computing a function over measurements (e.g., sum, average, max) as opposed to collecting all sensor data. Today, such data aggregation is done in a cluster-head. Sensor nodes transmit their values…

网络与互联网体系结构 · 计算机科学 2016-12-08 Omid Abari , Hariharan Rahul , Dina Katabi

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…

信号处理 · 电气工程与系统科学 2023-03-31 Tomer Gafni , Kobi Cohen , Yonina C. Eldar

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…

机器学习 · 计算机科学 2025-05-14 Jinsheng Yuan , Zhuangkun Wei , Weisi Guo

Over-the-air computation (AirComp) leveraging the superposition property of wireless multiple-access channel (MAC), is a promising technique for effective data collection and computation of large-scale wireless sensor measurements in…

信息论 · 计算机科学 2024-10-28 Wanchun Liu , Xin Zang , Branka Vucetic , Yonghui Li

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…

机器学习 · 计算机科学 2023-09-06 Rongfei Fan , Xuming An , Shiyuan Zuo , Han Hu

As an important piece of the multi-tier computing architecture for future wireless networks, over-the-air computation (OAC) enables efficient function computation in multiple-access edge computing, where a fusion center aims to compute a…

信号处理 · 电气工程与系统科学 2022-10-26 Yulin Shao , Deniz Gunduz , Soung Chang Liew

Federated learning (FL) is a framework for distributed learning of centralized models. In FL, a set of edge devices train a model using their local data, while repeatedly exchanging their trained updates with a central server. This…

机器学习 · 计算机科学 2021-08-11 Tomer Sery , Nir Shlezinger , Kobi Cohen , Yonina C. Eldar

Over-the-air federated learning (OTA-FL) has emerged as an efficient mechanism that exploits the superposition property of the wireless medium and performs model aggregation for federated learning in the air. OTA-FL is naturally sensitive…

信息论 · 计算机科学 2022-05-20 Jiayu Mao , Haibo Yang , Peiwen Qiu , Jia Liu , Aylin Yener

Over-the-air aggregation has attracted widespread attention for its potential advantages in task-oriented applications, such as distributed sensing, learning, and consensus. In this paper, we develop a communication-efficient distributed…

信号处理 · 电气工程与系统科学 2024-03-12 Huiwen Yang , Xiaomeng Chen , Lingying Huang , Subhrakanti Dey , Ling Shi

Topological neural networks (TNNs) are information processing architectures that model representations from data lying over topological spaces (e.g., simplicial or cell complexes) and allow for decentralized implementation through localized…

信息论 · 计算机科学 2025-02-17 Simone Fiorellino , Claudio Battiloro , Paolo Di Lorenzo

In this letter, we introduce over-the-air computation into the communication design of federated multi-task learning (FMTL), and propose an over-the-air federated multi-task learning (OA-FMTL) framework, where multiple learning tasks…

机器学习 · 计算机科学 2021-10-26 Haoming Ma , Xiaojun Yuan , Dian Fan , Zhi Ding , Xin Wang , Jun Fang

This paper studies the over-the-air computation (AirComp) in an orthogonal frequency division multiplexing (OFDM) system with imperfect channel state information (CSI), in which multiple single-antenna wireless devices (WDs) simultaneously…

信号处理 · 电气工程与系统科学 2023-07-12 Yilong Chen , Huijun Xing , Jie Xu , Lexi Xu , Shuguang Cui

We propose a novel resource efficient analog over-the-air (OTA) computation framework to address the demanding requirements of the uplink (UL) fronthaul between the access points (APs) and the central processing unit (CPU) in cell-free…

信息论 · 计算机科学 2023-11-15 Zakir Hussain Shaik , Sai Subramanyam Thoota , Emil Björnson , Erik G. Larsson

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…

机器学习 · 计算机科学 2026-02-16 Muhammad Faraz Ul Abrar , Nicolò Michelusi

This paper introduces a noise-tolerant computing method for over-the-air computation (AirComp) aimed at weighted averaging, which is critical in various Internet of Things (IoT) applications such as environmental monitoring. Traditional…

信号处理 · 电气工程与系统科学 2025-04-23 Koya Sato , Koji Ishibashi

Massive numbers of nodes will be connected in future wireless networks. This brings great difficulty to collect a large amount of data. Instead of collecting the data individually, computation over multi-access channel (CoMAC) provides an…

信息论 · 计算机科学 2018-12-14 Fangzhou Wu , Li Chen , Nan Zhao , Yunfei Chen , F. Richard Yu , Guo Wei

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…

信息论 · 计算机科学 2024-09-13 Seyed Mohammad Azimi-Abarghouyi , Leandros Tassiulas