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This paper studies a federated edge learning system, in which an edge server coordinates a set of edge devices to train a shared machine learning model based on their locally distributed data samples. During the distributed training, we…

Information Theory · Computer Science 2020-03-03 Xiaopeng Mo , Jie Xu

Large-scale distributed training is increasingly becoming communication bound. Many gradient compression algorithms have been proposed to reduce the communication overhead and improve scalability. However, it has been observed that in some…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-30 Zhuang Wang , Xinyu Wu , T. S. Eugene Ng

Future wireless networks are expected to support diverse mobile services, including artificial intelligence (AI) services and ubiquitous data transmissions. Federated learning (FL), as a revolutionary learning approach, enables…

Information Theory · Computer Science 2023-04-06 Zehong Lin , Hang Liu , Ying-Jun Angela Zhang

The rapid proliferation and growth of artificial intelligence (AI) has led to the development of federated learning (FL). FL allows wireless devices (WDs) to cooperatively learn by sharing only local model parameters, without needing to…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Zihao Hu , Jia Yan , Ying-Jun Angela Zhang , Jun Zhang , Khaled B. Letaief

Mobile edge computing (MEC) and terahertz (THz)enabled unmanned aerial vehicle (UAV) communication systems are gaining significant attention for improving user service delays in future mobile networks. This article introduces a novel…

Signal Processing · Electrical Eng. & Systems 2024-07-02 Heekang Song , Hyowoon Seo , Wan Choi

Federated learning (FL) is a promising learning paradigm that can tackle the increasingly prominent isolated data islands problem while keeping users' data locally with privacy and security guarantees. However, FL could result in…

Information Theory · Computer Science 2022-03-30 Peng Yang , Yuning Jiang , Ting Wang , Yong Zhou , Yuanming Shi , Colin N. Jones

Emerging real-time computer vision (CV) applications on wireless edge devices demand energy-efficient and privacy-preserving learning. Federated learning (FL) enables on-device training without raw data sharing, yet remains challenging in…

Machine Learning · Computer Science 2025-08-05 Xiangwang Hou , Jingjing Wang , Fangming Guan , Jun Du , Chunxiao Jiang , Yong Ren

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…

Signal Processing · Electrical Eng. & Systems 2025-05-09 Mengbing Liu , Jiancheng An , Chongwen Huang , Chau Yuen

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…

Signal Processing · Electrical Eng. & Systems 2024-09-30 Peng Yi , Yang Cao , Xin Kang , Ying-Chang Liang

This paper investigates over-the-air computation (AirComp) over multiple-access time-varying channels, where devices with high mobility transmit their sensing data to a fusion center (FC) for averaging. To combat the Doppler shift induced…

Information Theory · Computer Science 2024-12-30 Xinyu Huang , Henrik Hellström , Carlo Fischione

Hyperdimensional computing (HDC) is an emerging computing paradigm that represents, manipulates, and communicates data using very long random vectors (aka hypervectors). Among different hardware platforms capable of executing HDC…

Hardware Architecture · Computer Science 2022-05-24 Robert Guirado , Abbas Rahimi , Geethan Karunaratne , Eduard Alarcón , Abu Sebastian , Sergi Abadal

This paper investigates the effect of imperfect channel state information (CSI) on the over-the-air computation (AirComp) system, in which multiple wireless devices (WDs) send individual messages to one access point (AP) for distributed…

Information Theory · Computer Science 2022-03-01 Yilong Chen , Guangxu Zhu , Jie Xu

The proliferation of Internet of Things (IoT) systems demands scalable artificial intelligence (AI) solutions that can operate in computing-heterogeneous environments with diverse hardware capabilities and non-independent and identically…

Networking and Internet Architecture · Computer Science 2025-11-19 Wanli Ni , Hui Tian

In this paper, we consider fast wireless data aggregation via over-the-air computation (AirComp) in Internet of Things (IoT) networks, where an access point (AP) with multiple antennas aim to recover the arithmetic mean of sensory data from…

Signal Processing · Electrical Eng. & Systems 2021-05-12 Wenzhi Fang , Yinan Zou , Hongbin Zhu , Yuanming Shi , Yong Zhou

This paper considers a mobile edge computing-enabled cell-free massive MIMO wireless network. An optimization problem for the joint allocation of uplink powers and remote computational resources is formulated, aimed at minimizing the total…

Information Theory · Computer Science 2022-02-17 Giovanni Interdonato , Stefano Buzzi

The concept of multi-access edge computing (MEC) has been recently introduced to supplement cloud computing by deploying MEC servers to the network edge so as to reduce the network delay and alleviate the load on cloud data centers.…

Networking and Internet Architecture · Computer Science 2018-04-02 Anselme Ndikumana , Nguyen H. Tran , Tai Manh Ho , Zhu Han , Walid Saad , Dusit Niyato , Choong Seon Hong

In this letter, we introduce over-the-air computation into the communication design of federated multi-task learning (FMTL), and propose an over-the-air federated multi-task learning (OA-FMTL) framework, where multiple learning tasks…

Machine Learning · Computer Science 2021-10-26 Haoming Ma , Xiaojun Yuan , Dian Fan , Zhi Ding , Xin Wang , Jun Fang

In this paper, we consider a wireless powered mobile edge computing (MEC) network, where the distributed energy-harvesting wireless devices (WDs) are powered by means of radio frequency (RF) wireless power transfer (WPT). In particular, the…

Information Theory · Computer Science 2018-02-13 Suzhi Bi , Ying-Jun Angela Zhang

In this paper, we study unmanned aerial vehicles (UAVs) assisted wireless data aggregation (WDA) in multicluster networks, where multiple UAVs simultaneously perform different WDA tasks via over-the-air computation (AirComp) without…

Information Theory · Computer Science 2022-12-26 Min Fu , Yong Zhou , Yuanming Shi , Chunxiao Jiang , Wei Zhang

Hyperdimensional computing (HDC) is an emerging computing paradigm that represents, manipulates, and communicates data using long random vectors known as hypervectors. Among different hardware platforms capable of executing HDC algorithms,…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-15 Robert Guirado , Abbas Rahimi , Geethan Karunaratne , Eduard Alarcón , Abu Sebastian , Sergi Abadal