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相关论文: Over-the-Air Computation via Broadband Channels

200 篇论文

In this paper, we study the power control problem for Over-the-air computation (AirComp) over fading channels. Our objective is to minimize the computation error by jointly optimizing the transmit power at the power-constrained devices and…

信息论 · 计算机科学 2020-07-24 Xiaowen Cao , Guangxu Zhu , Jie Xu , Kaibin Huang

Cooperative spectrum sensing (CSS) is a promising approach to improve the detection of primary users (PUs) using multiple sensors. However, there are several challenges for existing combination methods, i.e., performance degradation and…

信号处理 · 电气工程与系统科学 2024-09-30 Peng Yi , Yang Cao , Xin Kang , Ying-Chang Liang

Over-the-air computation (AirComp) is emerging as a promising technology for wireless data aggregation. However, its performance is hampered by users with poor channel conditions. To mitigate such a performance bottleneck, this paper…

信息论 · 计算机科学 2023-12-01 Deyou Zhang , Ming Xiao , Mikael Skoglund , H. Vincent Poor

Decentralized federated learning (DFL), inherited from distributed optimization, is an emerging paradigm to leverage the explosively growing data from wireless devices in a fully distributed manner.DFL enables joint training of machine…

信号处理 · 电气工程与系统科学 2023-10-10 Zhiyuan Zhai , Xiaojun Yuan , Xin Wang

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…

信号处理 · 电气工程与系统科学 2023-09-29 Henrik Hellström , Saeed Razavikia , Viktoria Fodor , Carlo Fischione

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 paper, we investigate the issue of integrated sensing, computation and communication (SCC) in beyond fifth-generation (B5G) cellular internet of things (IoT) networks. According to the characteristics of B5G cellular IoT, a…

信息论 · 计算机科学 2020-09-17 Qiao Qi , Xiaoming Chen , Caijun Zhong , Zhaoyang Zhang

Federated learning (FL), as an emerging distributed machine learning paradigm, allows a mass of edge devices to collaboratively train a global model while preserving privacy. In this tutorial, we focus on FL via over-the-air computation…

机器学习 · 计算机科学 2023-10-17 Jingyang Zhu , Yuanming Shi , Yong Zhou , Chunxiao Jiang , Wei Chen , Khaled B. Letaief

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

By leveraging the waveform superposition property of the multiple access channel, over-the-air computation (AirComp) enables the execution of digital computations through analog means in the wireless domain, leading to faster processing and…

信息论 · 计算机科学 2025-08-22 Meng Hua , Chenghong Bian , Haotian Wu , Deniz Gündüz

Over-the-air computation (AirComp) has recently been identified as a prominent technique to enhance communication efficiency of wireless federated learning (FL). This letter investigates the impact of channel state information (CSI)…

信息论 · 计算机科学 2023-07-25 Jiacheng Yao , Zhaohui Yang , Wei Xu , Dusit Niyato , Xiaohu You

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…

信号处理 · 电气工程与系统科学 2026-05-28 Martin Dahl , Zheng Chen , Erik G. Larsson

In this study we introduce Logarithmic Frequency Shift Keying (Log-FSK), a novel frequency modulation for over-the-air computation (AirComp). Log-FSK leverages non-linear signal processing to produce AirComp in the frequency domain, this…

信号处理 · 电气工程与系统科学 2024-06-06 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

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

Over-the-air computation (AirComp) is a promising technology that is capable of achieving fast data aggregation in Internet of Things (IoT) networks. The mean-squared error (MSE) performance of AirComp is bottlenecked by the unfavorable…

信息论 · 计算机科学 2020-09-17 Wenzhi Fang , Min Fu , Kunlun Wang , Yuanming Shi , Yong Zhou

To satisfy the expected plethora of computation-heavy applications, federated edge learning (FEEL) is a new paradigm featuring distributed learning to carry the capacities of low-latency and privacy-preserving. To further improve the…

系统与控制 · 电气工程与系统科学 2022-12-02 Jun Du , Bingqing Jiang , Chunxiao Jiang , Yuanming Shi , Zhu Han

In the context of task-oriented communications we advocate the development of waveforms for Federated Edge Learning (FEEL). Over-the-air computing (AirComp) has emerged as a communication scheme that allows to compute a function out of…

信号处理 · 电气工程与系统科学 2024-07-01 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

This paper introduces a federated learning framework that enables over-the-air computation via digital communications, using a new joint source-channel coding scheme. Without relying on channel state information at devices, this scheme…

信息论 · 计算机科学 2024-11-07 Seyed Mohammad Azimi-Abarghouyi , Lav R. Varshney

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…

信号处理 · 电气工程与系统科学 2026-02-25 Saeed Razavikia , Deniz Gündüz , Carlo Fischione

We consider collaborative inference at the wireless edge, where each client's model is trained independently on its local dataset. Clients are queried in parallel to make an accurate decision collaboratively. In addition to maximizing the…

机器学习 · 计算机科学 2025-01-15 Selim F. Yilmaz , Burak Hasircioglu , Li Qiao , Deniz Gunduz