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Semantic broadcast communications (Semantic BC) for image transmission have achieved significant performance gains for single-task scenarios. Nevertheless, extending these methods to multi-task scenarios remains challenging, as different…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Zhilin Lu , Rongpeng Li , Zhifeng Zhao , Honggang Zhang

In the past decade, Unmanned Aerial Vehicles (UAVs) have grabbed the attention of researchers in academia and industry for their potential use in critical emergency applications, such as providing wireless services to ground users and…

Machine Learning · Computer Science 2024-01-23 Marwan Dhuheir , Aiman Erbad , Ala Al-Fuqaha

Unmanned aerial vehicle (UAV)-based base stations offer a promising solution in emergencies where the rapid deployment of cutting-edge networks is crucial for maximizing life-saving potential. Optimizing the strategic positioning of these…

Artificial Intelligence · Computer Science 2025-04-08 Mario Rico Ibanez , Azim Akhtarshenas , David Lopez-Perez , Giovanni Geraci

This work tackles the physical layer security (PLS) problem of maximizing the secrecy rate in heterogeneous UAV networks (HetUAVNs) under propulsion energy constraints. Unlike prior studies that assume uniform UAV capabilities or overlook…

Networking and Internet Architecture · Computer Science 2025-07-24 Lijie Zheng , Ji He , Shih Yu Chang , Yulong Shen , Dusit Niyato

In this paper, the problem of using one active unmanned aerial vehicle (UAV) and four passive UAVs to localize a 3D target UAV in real time is investigated. In the considered model, each passive UAV receives reflection signals from the…

Multiagent Systems · Computer Science 2024-01-23 Yujiao Zhu , Mingzhe Chen , Sihua Wang , Ye Hu , Yuchen Liu , Changchuan Yin

Owing to the enhanced flexibility in deployment and decreasing costs of manufacturing, the demand for unmanned aerial vehicles (UAVs) is expected to soar in the upcoming years. In this paper, we explore a UAV aided search and rescue~(SAR)…

Systems and Control · Electrical Eng. & Systems 2020-02-21 Shriyanti Kulkarni , Vedashree Chaphekar , Md Moin Uddin Chowdhury , Fatih Erden , Ismail Guvenc

Unmanned Aerial Vehicle (UAV) based communication networks (UCNs) are a key component in future mobile networking. To handle the dynamic environments in UCNs, reinforcement learning (RL) has been a promising solution attributed to its…

Systems and Control · Electrical Eng. & Systems 2024-09-26 Ran Zhang , Bowei Li , Liyuan Zhang , Jiang , Xie , Miao Wang

This paper investigates an unmanned aerial vehicle (UAV)-assisted semantic network where the ground users (GUs) periodically capture and upload the sensing information to a base station (BS) via UAVs' relaying. Both the GUs and the UAVs can…

Information Theory · Computer Science 2024-09-23 Yusi Long , Shimin Gong , Sumei Sun , Gary Lee , Lanhua Li , Dusit Niyato

Efficient path planning for unmanned aerial vehicles (UAVs) is crucial in remote sensing and information collection. As task scales expand, the cooperative deployment of multiple UAVs significantly improves information collection…

Multiagent Systems · Computer Science 2025-03-06 Zilin Zhao , Chishui Chen , Haotian Shi , Jiale Chen , Xuanlin Yue , Zhejian Yang , Yang Liu

In this paper, we propose reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicles (UAVs) networks that can utilise both advantages of UAV's agility and RIS's reflection for enhancing the network's performance. To aim at…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Khoi Khac Nguyen , Saeed Khosravirad , Daniel Benevides da Costa , Long D. Nguyen , Trung Q. Duong

This paper presents a reinforcement learning (RL) based approach for path planning of cellular connected unmanned aerial vehicles (UAVs) operating beyond visual line of sight (BVLoS). The objective is to minimize travel distance while…

Robotics · Computer Science 2025-10-13 Mehran Behjati , Rosdiadee Nordin , Nor Fadzilah Abdullah

It has previously been shown that by using reinforcement learning (RL), agents can derive simple approximate and exact-restricted numeral systems that are similar to human ones (Carlsson, 2021). However, it is a major challenge to show how…

Computation and Language · Computer Science 2025-05-20 Andrea Silvi , Jonathan Thomas , Emil Carlsson , Devdatt Dubhashi , Moa Johansson

In this paper, a novel approach that uses an unmanned aerial vehicle (UAV)-carried intelligent reflector (IR) is proposed to enhance the performance of millimeter wave (mmW) networks. In particular, the UAV-IR is used to intelligently…

Information Theory · Computer Science 2019-08-21 Qianqian Zhang , Walid Saad , Mehdi Bennis

This paper presents a hierarchical decision-making framework for unmanned aerial vehicle (UAV) missions motivated by search-and-rescue (SAR) scenarios under limited simulation training. The framework combines a fixed rule-based high-level…

Robotics · Computer Science 2026-04-30 Mahya Ramezani , Holger Voos

Reinforcement learning (RL) has been a promising essence in future 5G-beyond and 6G systems. Its main advantage lies in its robust model-free decision-making in complex and large-dimension wireless environments. However, most existing RL…

Robotics · Computer Science 2025-02-04 Eslam Eldeeb , Hirley Alves

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…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Yingchao Jiao , Xuhui Zhang , Wenchao Liu , Yinyu Wu , Jinke Ren , Yanyan Shen , Bo Yang , Xinping Guan

Due to the significant variations in unmanned aerial vehicle (UAV) altitude and horizontal mobility, it becomes difficult for any single network to ensure continuous and reliable threedimensional coverage. Towards that end, the…

Signal Processing · Electrical Eng. & Systems 2025-12-18 Jiayang Wan , Ke He , Yafei Wang , Fan Liu , Wenjin Wang , Shi Jin

Emerging technologies in sixth generation (6G) of wireless communications, such as terahertz communication and ultra-massive multiple-input multiple-output, present promising prospects. Despite the high data rate potential of millimeter…

Networking and Internet Architecture · Computer Science 2025-01-07 Wenwen Xie , Geng Sun , Bei Liu , Jiahui Li , Jiacheng Wang , Hongyang Du , Dusit Niyato , Dong In Kim

In smart cities, bandwidth-constrained Unmanned Aerial Vehicles (UAVs) often fail to relay mission-critical data in time, compromising real-time decision-making. This highlights the need for faster and more efficient transmission of only…

Systems and Control · Electrical Eng. & Systems 2026-01-15 Poorvi Joshi , Mohan Gurusamy

Efficient aerial data collection is important in many remote sensing applications. In large-scale monitoring scenarios, deploying a team of unmanned aerial vehicles (UAVs) offers improved spatial coverage and robustness against individual…

Robotics · Computer Science 2023-03-03 Jonas Westheider , Julius Rückin , Marija Popović