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This work considers unmanned aerial vehicle (UAV) networks for collecting data covertly from ground users. The full-duplex UAV intends to gather critical information from a scheduled user (SU) through wireless communication and generate…

Signal Processing · Electrical Eng. & Systems 2019-06-21 Xiaobo Zhou , Shihao Yan , Feng Shu , Riqing Chen , Jun Li

To enhance the performance of aerial-ground networks, this paper proposes an integrated sensing and communication (ISAC) framework for multi-UAV systems. In our model, ground base stations (BSs) cooperatively serve multiple unmanned aerial…

Systems and Control · Electrical Eng. & Systems 2026-05-01 Fangzhi Li , Zhichu Ren , Cunhua Pan , Hong Ren , Jing Jin , Qixing Wang , Jiangzhou Wang

Unmanned aerial vehicles (UAVs) are becoming a viable platform for sensing and estimation in a wide variety of applications including disaster response, search and rescue, and security monitoring. These sensing UAVs have limited battery and…

Networking and Internet Architecture · Computer Science 2022-06-08 Lorson Blair , Carlos A. Varela , Stacy Patterson

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

Information Theory · Computer Science 2019-11-01 Junting Chen , David Gesbert

Unmanned aerial vehicles (UAVs) have been widely used in many applications. The limited flight time of UAVs, however, still remains as a major challenge. Although numerous approaches have been developed to recharge the battery of UAVs…

Signal Processing · Electrical Eng. & Systems 2021-03-25 Myounggyu Won

In this paper, we investigate an unmanned aerial vehicle (UAV)-enabled secure communication scenario that a cluster of UAVs performs a virtual non-uniform linear array (NULA) to communicate with a base station (BS) in the presence of…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Bin Qiu , Wenchi Cheng , Hongxiang He , Wei Zhang

We study joint spectrum allocation and user association in heterogeneous cellular networks with multiple tiers of base stations. A stochastic geometric approach is applied as the basis to derive the average downlink user data rate in a…

Networking and Internet Architecture · Computer Science 2013-10-01 Wei Bao , Ben Liang

User association, the problem of assigning each user device to a suitable base station, is increasingly crucial as wireless networks become denser and serve more users with diverse service demands. The joint optimization of user association…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Jonggyu Jang , Hyeonsu Lyu , David J. Love , Hyun Jong Yang

The demand for future wireless communication systems is being satisfied for various circumstances through unmanned aerial vehicles (UAVs), which act as flying base stations (BSs). In this letter, we propose an ellipse clustering algorithm…

Signal Processing · Electrical Eng. & Systems 2020-05-07 Si-Chan Noh , Hong-Bae Jeon , Chan-Byoung Chae

Unmanned aerial vehicle (UAV) has been widely adopted in wireless systems due to its flexibility, mobility, and agility. Nevertheless, a limited onboard battery greatly hinders UAV to prolong the serving time from communication tasks that…

Information Theory · Computer Science 2020-11-19 Hieu Tran-Dinh , Sumit Gautam , Symeon Chatzinotas , Bjorn Ottersten

Nowadays, Unmanned Aerial Vehicles (UAVs) have been significantly improved, and one of their most important applications is to provide temporary coverage for cellular users. Static Base Station cannot service all users due to temporary…

Networking and Internet Architecture · Computer Science 2022-02-09 Mehdi Sookhak , Amir Hossein Mohajerzadeh

The deployment of unmanned aerial vehicles (UAVs) is proliferating as they are effective, flexible and cost-efficient devices for a variety of applications ranging from natural disaster recovery to delivery of goods. We investigate a…

Signal Processing · Electrical Eng. & Systems 2019-09-30 Ali Rahmati , Seyyedali Hosseinalipour , Yavuz Yapici , Xiaofan He , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

This paper studies a new latency optimization problem in unmanned aerial vehicles (UAVs)-enabled federated learning (FL) with integrated sensing and communication. In this setup, distributed UAVs participate in model training using sensed…

Information Theory · Computer Science 2024-11-15 Shaba Shaon , Tien Nguyen , Lina Mohjazi , Aryan Kaushik , Dinh C. Nguyen

This paper investigates an unmanned aerial vehicle (UAV)-enabled wireless communication system with energy harvesting, where the UAV transfers energy to the users in half duplex or full duplex, and the users harvest energy for data…

Signal Processing · Electrical Eng. & Systems 2019-12-25 Zhaohui Yang , Wei Xu , Mohammad Shikh-Bahaei

Mobile edge computing (MEC) provides computational services at the edge of networks by offloading tasks from user equipments (UEs). This letter employs an unmanned aerial vehicle (UAV) as the edge computing server to execute offloaded tasks…

Information Theory · Computer Science 2019-10-25 Yuwen Qian , Feifei Wang , Jun Li , Long Shi , Kui Cai , Feng Shu

Fifth Generation (5G) cellular networks are expected to provide cellular connectivity for vehicular users, including Unmanned Aerial Vehicles (UAVs). When flying in the air, these users experience strong, unobstructed channel conditions to…

Information Theory · Computer Science 2020-08-31 Boris Galkin , Ramy Amer , Erika Fonseca , Luiz A. DaSilva

Unmanned aerial vehicle (UAV) is regarded as a key enabling platform for low-altitude economy, due to its advantages such as 3D maneuverability, flexible deployment, and LoS air-to-air/ground communication links. In particular, the…

Information Theory · Computer Science 2026-04-28 Haiquan Lu , Yong Zeng , Shaodan Ma , Bin Li , Shi Jin , Rui Zhang

Unmanned aerial vehicles (UAVs) with multiple antennas have recently been explored to improve capacity in wireless networks. However, the strict energy constraint of UAVs, given their simultaneous flying and communication tasks, renders the…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Hosein Zarini , Maryam Farajzadeh Dehkordi , Armin Farhadi , Mohammad Robat Mili , Ali Movaghar , Mehdi Rasti , Yonghui Li , Kai-Kit Wong

In this paper, we propose a novel joint intelligent trajectory design and resource allocation algorithm based on user's mobility and their requested services for unmanned aerial vehicles (UAVs) assisted networks, where UAVs act as nodes of…

Networking and Internet Architecture · Computer Science 2021-05-24 Mohsen Pourghasemian , Mohammad Reza Abedi , Shima Salarhosseini , Nader Mokari , Mohammad Reza Javan , Eduard A. Jorswieck

In this paper, the real-time deployment of unmanned aerial vehicles (UAVs) as flying base stations (BSs) for optimizing the throughput of mobile users is investigated for UAV networks. This problem is formulated as a time-varying…

Networking and Internet Architecture · Computer Science 2020-02-04 Zhiwei Chen , Yi Zhong , Xiaohu Ge , Yi Ma