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This paper introduces a universal 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…

信息论 · 计算机科学 2024-03-05 Seyed Mohammad Azimi-Abarghouyi , Lav R. Varshney

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

In this paper, we investigate the communication designs of over-the-air computation (AirComp) empowered federated learning (FL) systems considering uplink model aggregation and downlink model dissemination jointly. We first derive an upper…

信息论 · 计算机科学 2023-11-08 Deyou Zhang , Ming Xiao , Mikael Skoglund

In this paper, we consider communication-efficient over-the-air federated learning (FL), where multiple edge devices with non-independent and identically distributed datasets perform multiple local iterations in each communication round and…

信号处理 · 电气工程与系统科学 2022-03-29 Yinan Zou , Zixin Wang , Xu Chen , Haibo Zhou , Yong Zhou

This paper, for the first time, presents a low-complexity peak-power-assisted data-aided channel estimation (DACE) scheme for both single-input single-output (SISO) and multiple-input multiple-output orthogonal frequency division…

信号处理 · 电气工程与系统科学 2024-10-10 Inaamullah Khan , Mohammad Mahmudul Hasan , Michael Cheffena

Federated edge learning (FEEL) has drawn much attention as a privacy-preserving distributed learning framework for mobile edge networks. In this work, we investigate a novel semi-decentralized FEEL (SD-FEEL) architecture where multiple edge…

网络与互联网体系结构 · 计算机科学 2021-12-10 Yuchang Sun , Jiawei Shao , Yuyi Mao , Jun Zhang

In this paper, we investigate over-the-air model aggregation in a federated edge learning (FEEL) system. We introduce a Markovian probability model to characterize the intrinsic temporal structure of the model aggregation series. With this…

信息论 · 计算机科学 2021-03-04 Dian Fan , Xiaojun Yuan , Ying-Jun Angela Zhang

Distributed optimization concerns the optimization of a common function in a distributed network, which finds a wide range of applications ranging from machine learning to vehicle platooning. Its key operation is to aggregate all local…

信息论 · 计算机科学 2022-04-15 Zhenyi Lin , Yi Gong , Kaibin Huang

Federated Edge Learning (FEEL) involves the collaborative training of machine learning models among edge devices, with the orchestration of a server in a wireless edge network. Due to frequent model updates, FEEL needs to be adapted to the…

分布式、并行与集群计算 · 计算机科学 2022-01-28 Afaf Taik , Zoubeir Mlika , Soumaya Cherkaoui

The recent development of scalable Bayesian inference methods has renewed interest in the adoption of Bayesian learning as an alternative to conventional frequentist learning that offers improved model calibration via uncertainty…

信息论 · 计算机科学 2023-08-01 Boning Zhang , Dongzhu Liu , Osvaldo Simeone , Guangxu Zhu

Computation-efficient resource allocation strategies are of crucial importance in mobile edge computing networks. However, few works have focused on this issue. In this letter, weighted sum computation efficiency (CE) maximization problems…

信号处理 · 电气工程与系统科学 2019-10-28 Yuhang Wu , Yuhao Wang , Fuhui Zhou , Rose Qingyang Hu

Federated edge learning (FEEL) technology for vehicular networks is considered as a promising technology to reduce the computation workload while keeping the privacy of users. In the FEEL system, vehicles upload data to the edge servers,…

网络与互联网体系结构 · 计算机科学 2023-03-06 Qiong Wu , Xiaobo Wang , Qiang Fan , Pingyi Fan , Cui Zhang , Zhengquan Li

Analog machine-learning hardware platforms promise greater speed and energy efficiency than their digital counterparts. Specifically, over-the-air analog computation allows offloading computation to the wireless propagation through…

信号处理 · 电气工程与系统科学 2025-05-09 Mengbing Liu , Jiancheng An , Chongwen Huang , Chau Yuen

In this paper, the performance optimization of federated learning (FL), when deployed over a realistic wireless multiple-input multiple-output (MIMO) communication system with digital modulation and over-the-air computation (AirComp) is…

信息论 · 计算机科学 2024-04-26 Sihua Wang , Mingzhe Chen , Cong Shen , Changchuan Yin , Christopher G. Brinton

Federated edge learning (FEEL) is a promising distributed learning technique for next-generation wireless networks. FEEL preserves the user's privacy, reduces the communication costs, and exploits the unprecedented capabilities of edge…

机器学习 · 计算机科学 2021-04-13 Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha , Aiman Erbad

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

Leveraging over-the-air computations for model aggregation is an effective approach to cope with the communication bottleneck in federated edge learning. By exploiting the superposition properties of multi-access channels, this approach…

机器学习 · 计算机科学 2025-07-08 Jiaxing Li , Zihan Chen , Kai Fong Ernest Chong , Bikramjit Das , Tony Q. S. Quek , Howard H. Yang

Edge machine learning involves the development of learning algorithms at the network edge to leverage massive distributed data and computation resources. Among others, the framework of federated edge learning (FEEL) is particularly…

信息论 · 计算机科学 2019-07-16 Qunsong Zeng , Yuqing Du , Kin K. Leung , Kaibin Huang

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.…

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

We propose a federated version of adaptive gradient methods, particularly AdaGrad and Adam, within the framework of over-the-air model training. This approach capitalizes on the inherent superposition property of wireless channels,…

机器学习 · 计算机科学 2024-03-12 Chenhao Wang , Zihan Chen , Nikolaos Pappas , Howard H. Yang , Tony Q. S. Quek , H. Vincent Poor