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Suitably equipped with cameras and sensors, uncrewed aerial vehicles (UAVs) can be instrumental for wildfire prediction, tracking, and monitoring, provided that uninterrupted connectivity can be guaranteed even if some of the ground access…

信号处理 · 电气工程与系统科学 2024-07-09 Carles Diaz-Vilor , Angel Lozano , Hamid Jafarkhani

Image retrieval (IR) has emerged as a promising approach for self-localization in unmanned aerial vehicles (UAVs). However, IR-based methods face several challenges: 1) Pre- and post-processing incur significant computational and storage…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Ming Dai , Enhui Zheng , Jiahao Chen , Lei Qi , Zhenhua Feng , Wankou Yang

In this paper, we consider a platform of flying mobile edge computing (F-MEC), where unmanned aerial vehicles (UAVs) serve as equipment providing computation resource, and they enable task offloading from user equipment (UE). We aim to…

信号处理 · 电气工程与系统科学 2021-02-16 Liang Wang , Kezhi Wang , Cunhua Pan , Wei Xu , Nauman Aslam , Arumugam Nallanathan

Unmanned aerial vehicles (UAVs) have been recently utilized in multi-access edge computing (MEC) as edge servers. It is desirable to design UAVs' trajectories and user to UAV assignments to ensure satisfactory service to the users and…

多智能体系统 · 计算机科学 2025-08-12 Hamidreza Asadian-Rad , Hossein Soleimani , Shahrokh Farahmand

Unmanned aerial vehicles (UAVs) technique has been recognized as a promising solution in future wireless connectivity from the sky, and UAV navigation is one of the most significant open research problems, which has attracted wide interest…

信号处理 · 电气工程与系统科学 2019-11-28 Hongji Huang , Yuchun Yang , Hong Wang , Zhiguo Ding , Hikmet Sari , Fumiyuki Adachi

Fast and reliable wireless communication has become a critical demand in human life. In the case of mission-critical (MC) scenarios, for instance, when natural disasters strike, providing ubiquitous connectivity becomes challenging by using…

网络与互联网体系结构 · 计算机科学 2023-05-29 Hongyi Zhang , Zhiqiang Qi , Jingya Li , Anders Aronsson , Jan Bosch , Helena Holmström Olsson

Routing in multi-hop wireless networks is a complex problem, especially in heterogeneous networks where multiple wireless communication technologies coexist. Reinforcement learning (RL) methods, such as Q-learning, have been introduced for…

信号处理 · 电气工程与系统科学 2025-08-21 Brian Kim , Justin H. Kong , Terrence J. Moore , Fikadu T. Dagefu

When users exchange data with Unmanned Aerial vehicles - (UAVs) over air-to-ground (A2G) wireless communication networks, they expose the link to attacks that could increase packet loss and might disrupt connectivity. For example, in…

Decentralized learning empowers wireless network devices to collaboratively train a machine learning (ML) model relying solely on device-to-device (D2D) communication. It is known that the convergence speed of decentralized optimization…

信息论 · 计算机科学 2022-06-01 Matteo Zecchin , David Gesbert , Marios Kountouris

The integrated use of non-terrestrial network (NTN) entities such as the high-altitude platform station (HAPS) and low-altitude platform station (LAPS) has become essential elements in the space-air-ground integrated networks (SAGINs).…

系统与控制 · 电气工程与系统科学 2023-03-24 Atefeh H. Arani , Peng Hu , Yeying Zhu

A resource-constrained unmanned aerial vehicle (UAV) can be used as a flying LoRa gateway (GW) to move inside the target area for efficient data collection and LoRa resource management. In this work, we propose deep reinforcement learning…

网络与互联网体系结构 · 计算机科学 2023-12-05 Mohammed Jouhari , Khalil Ibrahimi , Jalel Ben Othman , El Mehdi Amhoud

This paper studies the allocation of shared resources between vehicle-to-infrastructure (V2I) and vehicle-to-vehicle (V2V) links in vehicle-to-everything (V2X) communications. In existing algorithms, dynamic vehicular environments and…

信息论 · 计算机科学 2021-10-18 Yi Yuan , Gan Zheng , Kai-Kit Wong , Khaled B. Letaief

This article presents a digital twin (DT)-enhanced reinforcement learning (RL) framework aimed at optimizing performance and reliability in network resource management, since the traditional RL methods face several unified challenges when…

系统与控制 · 电气工程与系统科学 2024-06-18 Nan Cheng , Xiucheng Wang , Zan Li , Zhisheng Yin , Tom Luan , Xuemin Shen

This work studies optimal solar charging for solar-powered self-sustainable UAV communication networks, considering the day-scale time-variability of solar radiation and user service demand. The objective is to optimally trade off between…

系统与控制 · 电气工程与系统科学 2023-02-14 Longxin Wang , Saugat Tripathi , Ran Zhang , Nan Cheng , Miao Wang

This letter presents a deep reinforcement learning (DRL) approach for transmission design to optimize the energy efficiency in vehicle-to-vehicle (V2V) communication links. Considering the dynamic environment of vehicular communications,…

信号处理 · 电气工程与系统科学 2024-04-22 Zhengpeng Wang , Yanqun Tang , Yingzhe Mao , Tao Wang , Xiunan Huang

In recent years, deep learning techniques have been introduced into the field of trajectory optimization to improve convergence and speed. Training such models requires large trajectory datasets. However, the convergence of low thrust (LT)…

最优化与控制 · 数学 2022-02-11 Ruida Xie , Andrew G. Dempster

Adaptive impedance matching between antennas and radio frequency front-end modules is critical for maximizing power transmission efficiency in mobile communication systems. Conventional numerical and analytical methods struggle with a…

信号处理 · 电气工程与系统科学 2026-04-10 Guoquan Zhang , Wendong Cheng , Weidong Wang , Li Chen

Unmanned Aerial Vehicles (UAVs) have attracted great interest in the last few years owing to their ability to cover large areas and access difficult and hazardous target zones, which is not the case of traditional systems relying on direct…

分布式、并行与集群计算 · 计算机科学 2021-05-25 Mohammed Jouhari , Abdulla Al-Ali , Emna Baccour , Amr Mohamed , Aiman Erbad , Mohsen Guizani , Mounir Hamdi

Unmanned aerial vehicles (UAVs) enabled Internet of things (IoT) systems have become an important part of future wireless communications. To achieve higher communication rate, the joint design of UAV trajectory and resource allocation is…

信号处理 · 电气工程与系统科学 2025-06-12 Yingchao Jiao , Xuhui Zhang , Wenchao Liu , Yinyu Wu , Jinke Ren , Yanyan Shen , Bo Yang , Xinping Guan

This letter investigates the transmit power and trajectory optimization problem for unmanned aerial vehicle (UAV)-aided networks. Different from majority of the existing studies with fixed communication infrastructure, a dynamic scenario is…

信号处理 · 电气工程与系统科学 2018-01-17 Haichao Wang , Guochun Ren , Jin Chen , Guoru Ding , Yijun Yang