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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…

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

Edge-device co-inference refers to deploying well-trained artificial intelligent (AI) models at the network edge under the cooperation of devices and edge servers for providing ambient intelligent services. For enhancing the utilization of…

信息论 · 计算机科学 2023-08-15 Zeming Zhuang , Dingzhu Wen , Yuanming Shi , Guangxu Zhu , Sheng Wu , Dusit Niyato

Federated edge learning (FEEL) has emerged as a core paradigm for large-scale optimization. However, FEEL still suffers from a communication bottleneck due to the transmission of high-dimensional model updates from the clients to the…

信息论 · 计算机科学 2024-07-17 Maximilian Egger , Christoph Hofmeister , Cem Kaya , Rawad Bitar , Antonia Wachter-Zeh

In this paper, we consider federated learning (FL) over a noisy fading multiple access channel (MAC), where an edge server aggregates the local models transmitted by multiple end devices through over-the-air computation (AirComp). To…

信息论 · 计算机科学 2020-11-16 Shuhao Xia , Jingyang Zhu , Yuhan Yang , Yong Zhou , Yuanming Shi , Wei Chen

The polar codes are proven to be capacity-achieving and are shown to have equivalent or even better finite-length performance than the turbo/LDPC codes under some improved decoding algorithms over the additive white Gaussian noise (AWGN)…

信息论 · 计算机科学 2014-05-20 Kai Chen , Kai Niu , Jiaru Lin

This paper investigates a fluid antenna (FA) array-enhanced over-the-air computation (AirComp) system in the presence of hardware impairments (HWIs), exploiting the new degrees of freedom offered by reconfigurable antenna positioning. To…

信号处理 · 电气工程与系统科学 2025-12-08 Zilong Li , Jianxin Dai , Zhaohui Yang , Zhaoyang Zhang , Kai-Kit Wong , Zhiyang Li , Shunkuan Cheng

Recent Multimodal Large Language Models (MLLMs) have demonstrated strong performance on vision-language understanding tasks, yet their inference efficiency is often hampered by the large number of visual tokens, particularly in…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Jiafei Song , Fengwei Zhou , Jin Qu , Wenjin Jason Li , Tong Wu , Gengjian Xue , Zhikang Zhao , Daomin Wei , Yichao Lu , Bailin Na

In this paper, we propose a novel network design mechanism for efficient embedded computing. Inspired by the limited computing patterns, we propose to fix the number of channels in a group convolution, instead of the existing practice that…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Qian Zhang , Jianjun Li , Meng Yao , Liangchen Song , Helong Zhou , Zhichao Li , Wenming Meng , Xuezhi Zhang , Guoli Wang

A novel algorithm for computing the action of a matrix exponential over a vector is proposed. The algorithm is based on a multilevel Monte Carlo method, and the vector solution is computed probabilistically generating suitable random paths…

数值分析 · 数学 2019-07-05 Juan A. Acebron , Jose R. Herrero , Jose Monteiro

Network function virtualization (NFV) is a crucial technology for the 5G network development because it can improve the flexibility of employing hardware and reduce the construction of base stations. There are vast service chains in NFV to…

系统与控制 · 电气工程与系统科学 2021-06-22 Wenlu Xuan , Zhongqi Zhao , Lei Fan , Zhu Han

Taking snapshots of the state of a distributed computation is useful for off-line analysis of the computational state, for later restarting from the saved snapshot, for cloning a copy of the computation, and for migration to a new cluster.…

分布式、并行与集群计算 · 计算机科学 2023-10-09 Yao Xu , Gene Cooperman

Deep convolutional neural networks (ConvNets) of 3-dimensional kernels allow joint modeling of spatiotemporal features. These networks have improved performance of video and volumetric image analysis, but have been limited in size due to…

计算机视觉与模式识别 · 计算机科学 2017-06-13 David Budden , Alexander Matveev , Shibani Santurkar , Shraman Ray Chaudhuri , Nir Shavit

Wireless data aggregation (WDA), referring to aggregating data distributed at devices (e.g., sensors and smartphone), is a common operation in 5G-and-beyond machine-type communications to support Internet-of-Things (IoT), which lays the…

网络与互联网体系结构 · 计算机科学 2020-11-17 Guangxu Zhu , Jie Xu , Kaibin Huang , Shuguang Cui

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…

分布式、并行与集群计算 · 计算机科学 2025-03-20 Kai Zhang , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Neural channel decoder, as a data-driven channel decoding strategy, has shown very promising improvement on error-correcting capability over the classical methods. However, the success of those deep learning-based decoder comes at the cost…

信息论 · 计算机科学 2026-05-20 Chengwei Zhang , Yifan Du , Siyu Liao

Convolutional neural networks (CNNs) have emerged as one of the most successful machine learning technologies for image and video processing. The most computationally intensive parts of CNNs are the convolutional layers, which convolve…

计算机视觉与模式识别 · 计算机科学 2017-07-04 Aravind Vasudevan , Andrew Anderson , David Gregg

In this paper, we study the problem of securely computing a function over a network, where both the target function and the security function are vector linear. The network is modeled as a directed acyclic graph. A sink node wishes to…

信息论 · 计算机科学 2026-02-10 Min Xu , Qian Chen , Gennian Ge

Over-the-air computation (OAC) has emerged as a key technique for efficient function computation over multiple-access channels (MACs) by exploiting the waveform superposition property of the wireless domain. While conventional OAC methods…

信息论 · 计算机科学 2025-11-11 Saeed Razavikia , Deniz Gündüz , Carlo Fischione

Conventional frequentist learning, as assumed by existing federated learning protocols, is limited in its ability to quantify uncertainty, incorporate prior knowledge, guide active learning, and enable continual learning. Bayesian learning…

信息论 · 计算机科学 2021-08-31 Dongzhu Liu , Osvaldo Simeone

Data movement is one of the main challenges of contemporary system architectures. Near-Data Processing (NDP) mitigates this issue by moving computation closer to the memory, avoiding excessive data movement. Our proposal, Vector-In-Memory…

硬件体系结构 · 计算机科学 2022-03-29 Marco Antonio Zanata Alves , Sairo Santos , Aline S. Cordeiro , Francis B. Moreira , Paulo C. Santos , Luigi Carro