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In this paper, we propose an unmanned aerial vehicle (UAV)-assisted federated learning (FL) framework that jointly optimizes UAV trajectory, user participation, power allocation, and data volume control to minimize overall system energy…

网络与互联网体系结构 · 计算机科学 2025-08-06 Chien-Wei Fu , Meng-Lin Ku

Aerial telecommunications networks based on Low Altitude Platforms (LAPs) are expected to optimally meet the urgent needs of emergency relief and recovery operations for tackling large scale natural disasters. The energy efficient operation…

网络与互联网体系结构 · 计算机科学 2013-01-04 Laurent Reynaud , Sithamparanathan Kandeepan , Karina Gomez , Tinku Rasheed

In this letter, we study a wireless communication system with a fixed-wing unmanned aerial vehicle (UAV) employed to collect information from a group of ground nodes (GNs). Our objective is to maximize the UAV's energy efficiency (EE),…

信息论 · 计算机科学 2019-07-25 Jingwei Zhang , Yong Zeng , Rui Zhang

This paper investigates the problem of secure energy efficiency maximization for a reconfigurable intelligent surface (RIS) assisted uplink wireless communication system, where an unmanned aerial vehicle (UAV) equipped with an RIS works as…

信号处理 · 电气工程与系统科学 2020-06-08 Hui Long , Ming Chen , Zhaohui Yang , Bao Wang , Zhiyang Li , Xu Yun , Mohammad Shikh-Bahaei

In this paper, we focus on a typical cooperative communication system with one pair of source and destination, where a unmanned aerial vehicle (UAV) flying from a start location to an end location serves as a mobile relay. To efficiently…

网络与互联网体系结构 · 计算机科学 2017-10-11 Sixing Yin , Jing Tan , Lihua Li

Aerial base stations (BSs) attached to unmanned aerial vehicles (UAVs) constitute a new paradigm for next-generation cellular communications. However, the flight range and communication capacity of aerial BSs are usually limited due to the…

信息论 · 计算机科学 2020-01-31 Lin Xiang , Lei Lei , Symeon Chatzinotas , Björn Ottersten , Robert Schober

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in assisting wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper considers a multi-UAV enabled wireless…

信息论 · 计算机科学 2018-01-10 Qingqing Wu , Yong Zeng , Rui Zhang

Unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) systems offer significant advantages in coverage and deployment flexibility, but suffer from endurance limitations due to the limited onboard energy. This paper proposes to…

信号处理 · 电气工程与系统科学 2022-08-19 Hong Ren , Zhenkun Zhang , Zhangjie Peng , Li Li , Cunhua Pan

Wireless power transfer (WPT) is a viable source of energy for wirelessly powered communication networks (WPCNs). In this paper, we first consider WPT from an energy access point (E-AP) to multiple energy receivers (E-Rs) to obtain the…

Wireless communication with unmanned aerial vehicles (UAVs) is a promising technology for future communication systems. In this paper, we study energy-efficient UAV communication with a ground terminal via optimizing the UAV's trajectory, a…

信息论 · 计算机科学 2016-08-08 Yong Zeng , Rui Zhang

In the finite blocklength scenario, which is suitable for practical applications, a method of maximizing the average effective secrecy rate (AESR) is proposed for a UAV-enabled secure communication by optimizing the UAV's trajectory and…

信号处理 · 电气工程与系统科学 2020-03-27 Yuntian Wang , Xiaobo Zhou , Zhihong Zhuang , Linlin Sun , Yuwen Qian , Jinhui Lu , Feng Shu

Unmanned aerial vehicles (UAVs) can be deployed as flying base stations (BSs) to leverage the strength of line-of-sight connections and effectively support the coverage and throughput of wireless communication. This paper considers a…

信息论 · 计算机科学 2018-06-12 Ali A. Nasir , Hoang D. Tuan , Trung Q. Duong , H. Vincent Poor

Over-the-air computation (AirComp) seamlessly integrates communication and computation by exploiting the waveform superposition property of multiple-access channels. Different from the existing works that focus on transceiver design of…

信号处理 · 电气工程与系统科学 2021-06-02 Min Fu , Yong Zhou , Yuanming Shi , Wei Chen , Rui Zhang

In this paper, we study an unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) architecture, in which a UAV roaming around the area may serve as a computing server to help user equipment (UEs) compute their tasks or act as a…

信号处理 · 电气工程与系统科学 2019-07-18 Xiaoyan Hu , Kai-Kit Wong , Kun Yang , Zhongbin Zheng

This paper focuses on enhancing the energy efficiency (EE) of a cooperative network that features a miniature unmanned aerial vehicle (UAV) operating at terahertz (THz) frequencies and equipped with holographic surfaces to improve network…

信号处理 · 电气工程与系统科学 2025-10-08 Yifei Song , Jalal Jalali , Yanyu Qin , Mostafa Darabi , Filip Lemic , Natasha Devroye

Large-scale distributed antenna systems with many access points (APs) that serve the users by coherent joint transmission is being considered for 5G-and-beyond networks. The technology is called Cell-free Massive MIMO and can provide a more…

信息论 · 计算机科学 2020-06-30 Trinh Van Chien , Emil Björnson , Erik G. Larsson

Communication-aware trajectory generation for unmanned aerial vehicles (UAVs) operating in urban environments requires simultaneous consideration of vehicle dynamics, wireless communication quality, obstacle avoidance, and onboard energy…

系统与控制 · 电气工程与系统科学 2026-05-26 Prateek Priyaranjan Pradhan , Ketan Rajawat , Mangal Kothari

Joint unicast and multicast transmissions are becoming increasingly important in practical wireless systems, such as Internet of Things networks. This paper investigates a cell-free massive multiple-input multiple-output system that…

信号处理 · 电气工程与系统科学 2025-08-20 Mustafa S. Abbas , Zahra Mobini , Hien Quoc Ngo , Hyundong Shin , Michail Matthaiou

We investigate fast data aggregation via over-the-air computation (AirComp) over wireless networks. In this scenario, an access point (AP) with multiple antennas aims to recover the arithmetic mean of sensory data from multiple wireless…

信息论 · 计算机科学 2024-04-23 Hongbin Zhu , Hua Qian

In this paper, we consider an active reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle(UAV)-enabled simultaneous wireless information and power transfer(SWIPT) system with multiple ground users. Compared with the…

信号处理 · 电气工程与系统科学 2023-08-21 Zhangjie Peng , Ruijing Liu , Cunhua Pan , Zhenkun Zhang , Jiangzhou Wang