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

200 篇论文

In this letter, some applications of wireless communication systems over $\alpha-\eta-\kappa-\mu$ fading channels are analysed. More specifically, the effective rate and the average of both the detection probability and area under the…

信息论 · 计算机科学 2019-09-17 Hussien Al-Hmood , H. S. Al-Raweshidy

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…

信号处理 · 电气工程与系统科学 2025-06-24 Saeed Razavikia , Carlo Fischione

Considerable efforts have been devoted to statistical modeling and the characterization of channels in a range of statistical models for fading channels. In this paper, we consider a unified approach to model wireless channels by the…

信息论 · 计算机科学 2016-11-15 Bassant Selim , Omar Alhussein , Sami Muhaidat , George K. Karagiannidis , Jie Liang

Over-the-air federated learning (OTA-FL) unifies communication and model aggregation by leveraging the inherent superposition property of the wireless medium. This strategy can enable scalable and bandwidth-efficient learning via…

信息论 · 计算机科学 2024-12-05 Jiayu Mao , 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…

信息论 · 计算机科学 2023-08-15 Alphan Sahin , Xiaofeng Wang

This article studies the efficiency of secrecy data offloading for an unmanned aerial vehicle (UAV)-assisted nonorthogonal multiple access (NOMA)-integrated mobile-edge computing (MEC) incorporating wireless power transfer (WPT) within an…

Over-the-Air (OtA) Federated Learning (FL) refers to an FL system where multiple agents apply OtA computation for transmitting model updates to a common edge server. Two important features of OtA computation, namely linear processing and…

信息论 · 计算机科学 2023-10-06 Adrian Edin , Zheng Chen

In this paper, we consider decentralized federated learning (FL) over wireless networks, where over-the-air computation (AirComp) is adopted to facilitate the local model consensus in a device-to-device (D2D) communication manner. However,…

信息论 · 计算机科学 2021-06-16 Yandong Shi , Yong Zhou , Yuanming Shi

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…

机器学习 · 计算机科学 2024-03-08 Halil Yigit Oksuz , Fabio Molinari , Henning Sprekeler , Joerg Raisch

For future wireless networks, enormous numbers of interconnections are required, creating a disorganized topology and leading to a great challenge in data aggregation. Instead of collecting data individually, a more efficient technique,…

信息论 · 计算机科学 2019-08-15 Fangzhou Wu , Li Chen , Nan Zhao , Yunfei Chen , F. Richard Yu , Guo Wei

Signal fading due to atmospheric channel impairments and pointing error is a major bottleneck for the performance of optical wireless communication (OWC). In this paper, we consider an amplify-and-forward (AF) optical relaying to enhance…

信号处理 · 电气工程与系统科学 2020-06-15 Tejas Nimish Shah , Ziyaur Rahman , S. M. Zafaruddin

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…

信息论 · 计算机科学 2023-05-19 Li Qiao , Zhen Gao , Zhongxiang Li , Deniz Gündüz

Over-the-air computation (AirComp) is considered as a communication-efficient solution for data aggregation and distributed learning by exploiting the superposition properties of wireless multi-access channels. However, AirComp is…

信号处理 · 电气工程与系统科学 2024-09-04 Chen Chen , Emil Björnson , Carlo Fischione

The rapid advancement of artificial intelligence technologies has given rise to diversified intelligent services, which place unprecedented demands on massive connectivity and gigantic data aggregation. However, the scarce radio resources…

信号处理 · 电气工程与系统科学 2024-07-11 Zhibin Wang , Yapeng Zhao , Yong Zhou , Yuanming Shi , Chunxiao Jiang , Khaled B. Letaief

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…

信息论 · 计算机科学 2022-11-03 Dingzhu Wen , Xiang Jiao , Peixi Liu , Guangxu Zhu , Yuanming Shi , Kaibin Huang

Fluid antenna system (FAS) is able to exploit spatial degrees of freedom (DoFs) in wireless channels. In this letter, to exploit spatial DoFs in frequency-selective environments, we investigate an orthogonal frequency division multiplexing…

信息论 · 计算机科学 2026-02-10 Heyang Xiong , Quanzhong Li , Qi Zhang

This paper investigates the performance of terahertz~(THz) wireless systems over the $\alpha$-$\mathcal{F}$ fading channels with beam misalignment and mobility. New expressions are derived for the probability density, cumulative…

信号处理 · 电气工程与系统科学 2025-09-24 Wamberto J. L. Queiroz , Hugerles S. Silva , Higo T. P. Silva , Alexandros-Apostolos A. Boulogeorgos

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

Edge-device co-inference, which concerns the cooperation between edge devices and an edge server for completing inference tasks over wireless networks, has been a promising technique for enabling various kinds of intelligent services at the…

信息论 · 计算机科学 2024-07-02 Xiang Jiao , Dingzhu Wen , Guangxu Zhu , Wei Jiang , Wu Luo , Yuanming Shi

This paper investigates over-the-air computation (AirComp) in the context of multiple-access time-varying multipath channels. We focus on a scenario where devices with high mobility transmit their sensing data to a fusion center (FC) for…

信息论 · 计算机科学 2024-03-19 Xinyu Huang , Henrik Hellstrom , Carlo Fischione