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Over-the-Air Computation is a beyond-5G communication strategy that has recently been shown to be useful for the decentralized training of machine learning models due to its efficiency. In this paper, we propose an Over-the-Air federated…

Machine Learning · Computer Science 2024-03-08 Halil Yigit Oksuz , Fabio Molinari , Henning Sprekeler , Joerg Raisch

We investigate fast data aggregation via over-the-air computation (AirComp) over wireless networks. In this scenario, an access point (AP) with multiple antennas aims to recover the arithmetic mean of sensory data from multiple wireless…

Information Theory · Computer Science 2024-04-23 Hongbin Zhu , Hua Qian

Distributed tensor decomposition (DTD) is a fundamental data-analytics technique that extracts latent important properties from high-dimensional multi-attribute datasets distributed over edge devices. Conventionally its wireless…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-16 Xu Chen , Erik G. Larsson , Kaibin Huang

This paper studies a hierarchical over-the-air computation (AirComp) network over a large area, in which multiple relays are exploited to facilitate data aggregation from massive WDs. We present a two-phase amplify-and-forward (AF) relaying…

Information Theory · Computer Science 2022-01-25 Feng Wang , Jie Xu , Vincent K. N. Lau , Shuguang Cui

Over-the-air computation (AirComp) has recently emerged as a pivotal technique for communication-efficient federated learning (FL) in resource-constrained wireless networks. Though AirComp leverages the superposition property of multiple…

Information Theory · Computer Science 2025-03-25 Jiacheng Yao , Wei Xu , Guangxu Zhu , Zhaohui Yang , Kaibin Huang , Dusit Niyato

Blockchain has been deemed as a promising solution for providing security and privacy protection in the next-generation wireless networks. Large-scale concurrent access for massive wireless devices to accomplish the consensus procedure may…

Signal Processing · Electrical Eng. & Systems 2022-12-01 Xin Xie , Cunqing Hua , Pengwenlong Gu , Wenchao Xu

Large language models (LLMs) have demonstrated remarkable success across various application domains, but their enormous sizes and computational demands pose significant challenges for deployment on resource-constrained edge devices. To…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-20 Kai Zhang , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Over-the-air computation (OAC) leverages the physical superposition property of wireless multiple access channels (MACs) to compute functions while communication occurs, enabling scalable and low-latency processing in distributed networks.…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Saeed Razavikia , Carlo Fischione

The advent of sixth-generation (6G) mobile networks introduces two groundbreaking capabilities: sensing and artificial intelligence (AI). Sensing leverages multi-modal sensors to capture real-time environmental data, while AI brings…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-31 Xu Chen , Hai Wu , Kaibin Huang

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…

Signal Processing · Electrical Eng. & Systems 2025-04-23 Koya Sato , Koji Ishibashi

In this paper, we study unmanned aerial vehicles (UAVs) assisted wireless data aggregation (WDA) in multicluster networks, where multiple UAVs simultaneously perform different WDA tasks via over-the-air computation (AirComp) without…

Information Theory · Computer Science 2022-12-26 Min Fu , Yong Zhou , Yuanming Shi , Chunxiao Jiang , Wei Zhang

Over-the-Air (OTA) computation is the problem of computing functions of distributed data without transmitting the entirety of the data to a central point. By avoiding such costly transmissions, OTA computation schemes can achieve a…

Information Theory · Computer Science 2022-07-13 Matthias Frey , Igor Bjelakovic , Slawomir Stanczak

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 paper investigates the problem of model aggregation in federated learning systems aided by multiple reconfigurable intelligent surfaces (RISs). The effective integration of computation and communication is achieved by over-the-air…

Information Theory · Computer Science 2021-07-09 Wanli Ni , Yuanwei Liu , Zhaohui Yang , Hui Tian , Xuemin Shen

Over-the-Air Computation (OAC) enables efficient data aggregation in large-scale distributed systems by exploiting the superposition property of wireless multiple-access channels. In contrast to most existing studies on OAC assuming exact…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Martin Dahl , Zheng Chen , Erik G. Larsson

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

This paper studies an over-the-air federated edge learning (Air-FEEL) system with integrated sensing, communication, and computation (ISCC), in which one edge server coordinates multiple edge devices to wirelessly sense the objects and use…

Information Theory · Computer Science 2025-08-22 Dingzhu Wen , Sijing Xie , Xiaowen Cao , Yuanhao Cui , Jie Xu , Yuanming Shi , Shuguang Cui

Over-the-air computation (OAC) harnesses the natural superposition of wireless signals to compute aggregate functions during transmission, thereby collapsing communication and computation into a single step and significantly reducing…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Saeed Razavikia , Carlo Fischione

Blind quantum computation allows a user to delegate a computation to an untrusted server while keeping the computation hidden. A number of recent works have sought to establish bounds on the communication requirements necessary to implement…

Quantum Physics · Physics 2015-06-10 Carlos A. Pérez-Delgado , Joseph F. Fitzsimons

In this paper, we investigate federated contextual linear bandit learning within a wireless system that comprises a server and multiple devices. Each device interacts with the environment, selects an action based on the received reward, and…

Machine Learning · Computer Science 2023-08-29 Jiali Wang , Yuning Jiang , Xin Liu , Ting Wang , Yuanming Shi
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