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Integrated sensing and communication (ISAC) is emerging as a key technique for next-generation wireless systems. In order to expedite the practical implementation of ISAC in pervasive mobile networks, it is crucial to have widely deployed…

信号处理 · 电气工程与系统科学 2024-07-18 Zichao Xiao , Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

For future Internet of Things (IoT)-based Big Data applications (e.g., smart cities/transportation), wireless data collection from ubiquitous massive smart sensors with limited spectrum bandwidth is very challenging. On the other hand, to…

信息论 · 计算机科学 2024-10-30 Wanchun Liu , Xin Zang , Yonghui Li , Branka Vucetic

In this work, we investigate federated edge learning over a fading multiple access channel. To alleviate the communication burden between the edge devices and the access point, we introduce a pioneering digital over-the-air computation…

信号处理 · 电气工程与系统科学 2024-04-22 Saeed Razavikia , José Mairton Barros Da Silva Júnior , Carlo Fischione

Federated edge learning (FEEL) is envisioned as a promising paradigm to achieve privacy-preserving distributed learning. However, it consumes excessive learning time due to the existence of straggler devices. In this paper, a novel…

信息论 · 计算机科学 2022-04-04 Shanfeng Huang , Zezhong Zhang , Shuai Wang , Rui Wang , Kaibin Huang

We study over-the-air model aggregation in federated edge learning (FEEL) systems, where channel state information at the transmitters (CSIT) is assumed to be unavailable. We leverage the reconfigurable intelligent surface (RIS) technology…

信息论 · 计算机科学 2024-10-28 Hang Liu , Xiaojun Yuan , Ying-Jun Angela Zhang

This paper considers over-the-air federated learning (OTA-FL). OTA-FL exploits the superposition property of the wireless medium, and performs model aggregation over the air for free. Thus, it can greatly reduce the communication cost…

机器学习 · 计算机科学 2022-05-13 Haibo Yang , Peiwen Qiu , Jia Liu , Aylin Yener

Edge machine learning involves the deployment of learning algorithms at the network edge to leverage massive distributed data and computation resources to train artificial intelligence (AI) models. Among others, the framework of federated…

信息论 · 计算机科学 2020-07-16 Qunsong Zeng , Yuqing Du , Kaibin Huang , Kin K. Leung

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

Federated learning (FL) is a promising technique that enables many edge devices to train a machine learning model collaboratively in wireless networks. By exploiting the superposition nature of wireless waveforms, over-the-air computation…

信号处理 · 电气工程与系统科学 2020-11-26 Naifu Zhang , Meixia Tao

Federated edge learning is a promising technology to deploy intelligence at the edge of wireless networks in a privacy-preserving manner. Under such a setting, multiple clients collaboratively train a global generic model under the…

机器学习 · 计算机科学 2023-02-27 Zihan Chen , Zeshen Li , Howard H. Yang , Tony Q. S. Quek

Federated learning (FL) has emerged as a distributed machine learning (ML) technique to train models without sharing users' private data. In this paper, we propose a decentralized FL scheme that is called \underline{f}ederated…

信息论 · 计算机科学 2022-06-08 Mohammed S. Al-Abiad , Mohanad Obeed , Md. Jahangir Hossain , Anas Chaaban

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

Motivated by the drawbacks of cloud-based federated learning (FL), cooperative federated edge learning (CFEL) has been proposed to improve efficiency for FL over mobile edge networks, where multiple edge servers collaboratively coordinate…

分布式、并行与集群计算 · 计算机科学 2024-11-22 Zhenxiao Zhang , Zhidong Gao , Yuanxiong Guo , Yanmin Gong

We consider a broadband over-the-air computation empowered model aggregation approach for wireless federated learning (FL) systems and propose to leverage an intelligent reflecting surface (IRS) to combat wireless fading and noise. We first…

信息论 · 计算机科学 2023-10-12 Deyou Zhang , Ming Xiao , Zhibo Pang , Lihui Wang , H. Vincent Poor

Edge signal processing facilitates distributed learning and inference in the client-server model proposed in federated learning. In traditional machine learning, clients (IoT devices) that acquire raw signal samples can aid a data center…

信号处理 · 电气工程与系统科学 2024-10-03 Vijay Anavangot

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

Federated learning (FL) as a promising edge-learning framework can effectively address the latency and privacy issues by featuring distributed learning at the devices and model aggregation in the central server. In order to enable efficient…

信息论 · 计算机科学 2022-07-12 Chunmei Xu , Shengheng Liu , Zhaohui Yang , Yongming Huang , Kai-Kit Wong

Training a machine learning model with federated edge learning (FEEL) is typically time-consuming due to the constrained computation power of edge devices and limited wireless resources in edge networks. In this paper, the training time…

信息论 · 计算机科学 2022-01-03 Peixi Liu , Jiamo Jiang , Guangxu Zhu , Lei Cheng , Wei Jiang , Wu Luo , Ying Du , Zhiqin Wang

Federated learning (FL) has been recognized as a promising distributed learning paradigm to support intelligent applications at the wireless edge, where a global model is trained iteratively through the collaboration of the edge devices…

信息论 · 计算机科学 2022-05-20 Wei Guo , Chuan Huang , Xiaoqi Qin , Lian Yang , Wei Zhang

To achieve communication-efficient federated multitask learning (FMTL), we propose an over-the-air FMTL (OAFMTL) framework, where multiple learning tasks deployed on edge devices share a non-orthogonal fading channel under the coordination…

信息论 · 计算机科学 2022-05-10 Haoming Ma , Xiaojun Yuan , Zhi Ding , Dian Fan , Jun Fang