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In this paper, we propose an intelligent reflecting surface (IRS)-enabled low-altitude multi-access edge computing (MEC) architecture, where an aerial MEC server cooperates with a terrestrial MEC server to provide computing services, while…

Networking and Internet Architecture · Computer Science 2026-01-01 Yixian Wang , Geng Sun , Zemin Sun , Jiacheng Wang , Changyuan Zhao , Daxin Tian , Dusit Niyato , Shiwen Mao

In this study, a digital over-the-air computation (OAC) scheme for achieving continuous-valued gradient aggregation is proposed. It is shown that the average of a set of real-valued parameters can be calculated approximately by using the…

Signal Processing · Electrical Eng. & Systems 2022-09-23 Alphan Sahin , Rui Yang

We study federated machine learning (ML) at the wireless edge, where power- and bandwidth-limited wireless devices with local datasets carry out distributed stochastic gradient descent (DSGD) with the help of a remote parameter server (PS).…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-08 Mohammad Mohammadi Amiri , Deniz Gunduz

Resource allocation is investigated for offloading computational-intensive tasks in multi-hop mobile edge computing (MEC) system. The envisioned system has both the cooperative access points (AP) with the computing capability and the MEC…

Information Theory · Computer Science 2021-04-27 Mohammed S. Al-Abiad , Md. Zoheb Hassan , Md. Jahangir Hossain

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,…

Information Theory · Computer Science 2021-06-16 Yandong Shi , Yong Zhou , Yuanming Shi

In this paper, we investigate a mobile edge computing (MEC) architecture with the assistance of an unmanned aerial vehicle (UAV). The UAV acts as a computing server to help the user equipment (UEs) compute their tasks as well as a relay to…

Signal Processing · Electrical Eng. & Systems 2019-07-10 Xiaoyan Hu , Kai-Kit Wong , Kun Yang , Zhongbin Zheng

Wireless powered mobile edge computing (WP-MEC) has been recognized as a promising technique to provide both enhanced computational capability and sustainable energy supply to massive low-power wireless devices. However, its energy…

Signal Processing · Electrical Eng. & Systems 2020-03-13 Tong Bai , Cunhua Pan , Hong Ren , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan

Over-the-air computation (AirComp) has emerged as a promising technology for fast wireless data aggregation by harnessing the superposition property of wireless multiple-access channels. This paper investigates a fluid antenna (FA)…

Information Theory · Computer Science 2025-02-14 Deyou Zhang , Sicong Ye , Ming Xiao , Kezhi Wang , Marco Di Renzo , Mikael Skoglund

We consider an intelligent reflecting surface (IRS)-aided mobile edge computing (MEC) system, where an IRS is deployed to assist computation offloading from two users to an access point connected with an edge cloud. For the IRS-aided data…

Information Theory · Computer Science 2020-11-10 Fasheng Zhou , Changsheng You , Rui Zhang

LTE/WiFi Aggregation (LWA) provides a promising approach to relieve data traffic congestion in licensed bands by leveraging unlicensed bands. Critical challenges arise from provisioning quality-of-service (QoS) through heterogenous…

Information Theory · Computer Science 2018-02-07 Yu Gu , Qimei Cui , Wei Ni , Ping Zhang , Weihua Zhuang

Devices in a device-to-device (D2D) network operating in sub-THz frequencies require knowledge of the spatial channel that connects them to their peers. Acquiring such high dimensional channel state information entails large overhead, which…

Signal Processing · Electrical Eng. & Systems 2024-12-23 Fernando Pedraza , Jan Christian Hauffen , Fabian Jaensch , Shuangyang Li , Giuseppe Caire

Collaborative edge computing (CEC) is an emerging paradigm where heterogeneous edge devices collaborate to fulfill computation tasks, such as model training or video processing, by sharing communication and computation resources.…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-27 Jinkun Zhang , Yuezhou Liu , Edmund Yeh

Driven by the unprecedented high throughput and low latency requirements in next-generation wireless networks, this paper introduces an artificial intelligence (AI) enabled framework in which unmanned aerial vehicles (UAVs) use…

Signal Processing · Electrical Eng. & Systems 2021-01-29 Zhong Yang , Mingzhe Chen , Xiao Liu , Yuanwei Liu , Yue Chen , Shuguang Cui , H. Vincent Poor

The growing demand for low-latency computing in 6G is driving the use of UAV-based low-altitude mobile edge computing (MEC) systems. However, limited spectrum often leads to severe uplink interference among ground terminals (GTs). In this…

Networking and Internet Architecture · Computer Science 2025-07-18 Xudong Wang , Hongyang Du , Lei Feng , Kaibin Huang

In this paper, a semantic-aware joint communication and computation resource allocation framework is proposed for mobile edge computing (MEC) systems. In the considered system, each terminal device (TD) has a computation task, which needs…

Signal Processing · Electrical Eng. & Systems 2023-09-22 Yihan Cang , Ming Chen , Zhaohui Yang , Yuntao Hu , Yinlu Wang , Zhaoyang Zhang , Kai-Kit Wong

Intelligent reflecting surface (IRS) enhanced multi-unmanned aerial vehicle (UAV) non-orthogonal multiple access (NOMA) networks are investigated. A new transmission framework is proposed, where multiple UAV-mounted base stations employ…

Information Theory · Computer Science 2021-10-07 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , H. Vincent Poor

With the growing demand for latency-critical and computation-intensive Internet of Things (IoT) services, the IoT-oriented network architecture, mobile edge computing (MEC), has emerged as a promising technique to reinforce the computation…

Information Theory · Computer Science 2022-08-09 Jiechen Chen , Hong Xing , Xiaohui Lin , Arumugam Nallanathan , Suzhi Bi

We develop a multi-port-backscatter-modulation technique to determine, over the air (OTA), the scattering parameters of a linear, passive, time-invariant multi-port device under test (DUT). A set of "not-directly-accessible" (NDA) antennas…

Applied Physics · Physics 2025-07-18 Philipp del Hougne

With the development of smart vehicles, computing-intensive tasks are widely and rapidly generated. To alleviate the burden of on-board CPU, connected vehicles can offload tasks to or make request from nearby edge server thanks to the…

Signal Processing · Electrical Eng. & Systems 2020-06-16 Yuke Zheng , Bo Yang , Cailian Chen

Mobile-edge computing (MEC) has emerged as a prominent technique to provide mobile services with high computation requirement, by migrating the computation-intensive tasks from the mobile devices to the nearby MEC servers. To reduce the…

Information Theory · Computer Science 2017-01-19 Yuyi Mao , Jun Zhang , Khaled B. Letaief