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Due to flexibility and low-cost, unmanned aerial vehicles (UAVs) are increasingly crucial for enhancing coverage and functionality of wireless networks. However, incorporating UAVs into next-generation wireless communication systems poses…

Networking and Internet Architecture · Computer Science 2024-07-15 Chuang Zhang , Geng Sun , Jiahui Li , Qingqing Wu , Jiacheng Wang , Dusit Niyato , Yuanwei Liu

The unmanned aerial vehicle (UAV) plays an vital role in various applications such as delivery, military mission, disaster rescue, communication, etc., due to its flexibility and versatility. This paper proposes a deep reinforcement…

Machine Learning · Computer Science 2022-04-26 Kaiwen Li , Tao Zhang , Rui Wang , Ling Wang

The choice of the transmitting frequency to provide cellular-connected Unmanned Aerial Vehicle (UAV) reliable connectivity and mobility support introduce several challenges. Conventional sub-6 GHz networks are optimized for ground Users…

Signal Processing · Electrical Eng. & Systems 2021-08-30 Gianluca Fontanesi , Anding Zhu , Hamed Ahmadi

Unmanned aerial vehicles (UAVs) have been actively studied as moving cloudlets to provide application offloading opportunities and to enhance the security level of user equipments (UEs). In this correspondence, we propose a hybrid UAV-aided…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Seonghoon Yoo , Seongah Jeong , Joonhyuk Kang

Recently, the unmanned aerial vehicles (UAVs) have been widely used in real-time sensing applications over cellular networks, which sense the conditions of the tasks and transmit the real-time sensory data to the base station (BS). The…

Signal Processing · Electrical Eng. & Systems 2018-09-11 Jingzhi Hu , Hongliang Zhang , Lingyang Song

Graph neural networks (GNNs) learn the representation of graph-structured data, and their expressiveness can be further enhanced by inferring node relations for propagation. Attention-based GNNs infer neighbor importance to manipulate the…

Machine Learning · Computer Science 2023-06-06 Soo Yong Lee , Fanchen Bu , Jaemin Yoo , Kijung Shin

Unmanned aerial vehicles (UAVs) are increasingly being integrated into next-generation networks to enhance communication coverage and network capacity. However, the dynamic and mobile nature of UAVs poses significant security challenges,…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Hao Zhang , Fuhui Zhou , Wei Wang , Qihui Wu , Chau Yuen

Modern cellular networks are multi-cell and use universal frequency reuse to maximize spectral efficiency. This results in high inter-cell interference. This problem is growing as cellular networks become three-dimensional with the adoption…

Information Theory · Computer Science 2023-05-15 Mojtaba Vaezi , Xingqin Lin , Hongliang Zhang , Walid Saad , H. Vincent Poor

Unmanned aerial vehicles (UAVs) are recognized as promising technologies for area coverage due to the flexibility and adaptability. However, the ability of a single UAV is limited, and as for the large-scale three-dimensional (3D) scenario,…

Signal Processing · Electrical Eng. & Systems 2023-09-22 Jia He , Ziye Jia , Chao Dong , Junyu Liu , Qihui Wu , Jingxian Liu

With the emergence of the low-altitude economy, radio maps have become essential for ensuring reliable wireless connectivity to aerial platforms. Autonomous aerial agents are commonly deployed for data collection using waypoint-based…

Signal Processing · Electrical Eng. & Systems 2025-08-25 Wenlihan Lu , Shijian Gao , Miaowen Wen , Yuxuan Liang , Liuqing Yang , Chan-Byoung Chae , H. Vincent Poor

Unmanned Aerial Vehicles (UAVs) possess high mobility and flexible deployment capabilities, prompting the development of UAVs for various application scenarios within the Internet of Things (IoT). The unique capabilities of UAVs give rise…

Artificial Intelligence · Computer Science 2024-12-16 Xin Tang , Qian Chen , Wenjie Weng , Binhan Liao , Jiacheng Wang , Xianbin Cao , Xiaohuan Li

Unmanned aerial vehicles (UAV) are commonly used for missions in unknown environments, where an exact mathematical model of the environment may not be available. This paper provides a framework for using reinforcement learning to allow the…

Robotics · Computer Science 2018-01-17 Huy X. Pham , Hung M. La , David Feil-Seifer , Luan V. Nguyen

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

In this paper, we consider the maximization of the secrecy rate in multiple unmanned aerial vehicles (UAV) rate-splitting multiple access (RSMA) network. A joint beamforming, rate allocation, and UAV trajectory optimization problem is…

Cryptography and Security · Computer Science 2024-02-20 Abuzar B. M. Adam , Mohammed A. M. Elhassan

This paper investigates deep learning enabled beamforming design for ultra-dense wireless networks by integrating prior knowledge and graph neural network (GNN), named model-based GNN. A energy efficiency (EE) maximization problem is…

Signal Processing · Electrical Eng. & Systems 2024-10-04 Rongsheng Zhang , Yang Lu , Wei Chen , Bo Ai , Zhiguo Ding

As intelligent transportation systems been implemented broadly and unmanned arial vehicles (UAVs) can assist terrestrial base stations acting as multi-access edge computing (MEC) to provide a better wireless network communication for…

Machine Learning · Computer Science 2022-02-21 Xiaoyu Dai , Kaoru Ota , Mianxiong Dong

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…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Carles Diaz-Vilor , Angel Lozano , Hamid Jafarkhani

This paper investigates the potential of unmanned aerial vehicles (UAVs) equipped with movable-antenna (MA) arrays to strengthen security in wireless communication systems. We propose a novel framework that jointly optimizes the UAV…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Sanghyeok Kim , Jinu Gong , Joonhyuk Kang

Graph neural networks (GNNs) have been shown promising in improving the efficiency of learning communication policies by leveraging their permutation properties. Nonetheless, existing works design GNNs only for specific wireless policies,…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Shengjie Liu , Jia Guo , Chenyang Yang

Unmanned aerial vehicles (UAVs) are expected to be an integral part of wireless networks. In this paper, we aim to find collision-free paths for multiple cellular-connected UAVs, while satisfying requirements of connectivity with ground…

Machine Learning · Computer Science 2021-04-19 Xueyuan Wang , M. Cenk Gursoy , Tugba Erpek , Yalin E. Sagduyu