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Unmanned aerial vehicles (UAVs) can be utilized as relay platforms to assist maritime wireless communications. However, complex channels and multipath effects at sea can adversely affect the quality of UAV transmitted signals. Collaborative…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Jiawei Huang , Aimin Wang , Geng Sun , Jiahui Li , Jiacheng Wang , Hongyang Du , Dusit Niyato

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

Recently, unmanned aerial vehicle (UAV) has attracted much attention due to its flexible deployment and controllable mobility. As the general communication network cannot meet the emergency requirements, in this paper we study the multi-UAV…

Information Theory · Computer Science 2024-07-17 Yixin Zhang , Wenchi Cheng

Unmanned aerial vehicle (UAV) based aerial base stations (BSs) can provide rapid communication services to ground users and are thus promising for future communication systems. In this paper, we consider a scenario where no functional…

Signal Processing · Electrical Eng. & Systems 2018-07-09 Jingcong Sun , Christos Masouros

Extremely large-scale multiple-input multiple-output (XL-MIMO) communication aims to further boost the antenna size significantly than current massive MIMO systems, for which conventional far-field assumption with uniform plane wave (UPW)…

Information Theory · Computer Science 2021-06-15 Haiquan Lu , Yong Zeng

With the complication of future communication scenarios, most conventional signal processing technologies of multi-user multiple-input multiple-output (MU-MIMO) become unreliable, which are designed based on ideal assumptions, such as…

Information Theory · Computer Science 2022-06-27 Yuhao Chi , Lei Liu , Guanghui Song , Ying Li , Yong Liang Guan , Chau Yuen

UAV swarms are widely used in emergency communications, area monitoring, and disaster relief. Coordinated by control centers, they are ideal for federated learning (FL) frameworks. However, current UAV-assisted FL methods primarily focus on…

Machine Learning · Computer Science 2025-03-13 Yubo Yang , Tao Yang , Xiaofeng Wu , Ziyu Guo , Bo Hu

Unmanned Aerial Vehicle (UAV) swarm systems necessitate efficient collaborative perception mechanisms for diverse operational scenarios. Current Bird's Eye View (BEV)-based approaches exhibit two main limitations: bounding-box…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Zefu Lin , Wenbo Chen , Xiaojuan Jin , Yuran Yang , Lue Fan , Yixin Zhang , Yufeng Zhang , Zhaoxiang Zhang

Unmanned aerial vehicles (UAVs) have gained a lot of popularity in diverse wireless communication fields. They can act as high-altitude flying relays to support communications between ground nodes due to their ability to provide…

Signal Processing · Electrical Eng. & Systems 2018-08-01 Hakim Ghazzai , Mahdi Ben Ghorbel , Andreas Kassler , Md. Jahangir Hossain

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

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

In order to improve the communication of the UAV network when the UAV formation in a complex military mission environment. This paper proposed formation reconfiguration strategy under complexities mission environment. We take the problem of…

Systems and Control · Electrical Eng. & Systems 2023-01-13 Hu Jin

Mobile agent networks, such as multi-UAV systems, are constrained by limited resources. In particular, limited energy affects system performance directly, such as system lifetime. It has been demonstrated in the wireless sensor network…

Systems and Control · Computer Science 2021-12-16 Mason Thammawichai , Sujit P. Baliyarasimhuni , Eric C. Kerrigan , João B. Sousa

Recently, movable antenna (MA) array becomes a promising technology for improving the communication quality in wireless communication systems. In this letter, an unmanned aerial vehicle (UAV) enabled multi-user multi-input-single-output…

Signal Processing · Electrical Eng. & Systems 2024-10-24 Wenchao Liu , Xuhui Zhang , Huijun Xing , Jinke Ren , Yanyan Shen , Shuguang Cui

Recent breakthroughs in multimodal large language models (MLLMs) have endowed AI systems with unified perception, reasoning and natural-language interaction across text, image and video streams. Meanwhile, Unmanned Aerial Vehicle (UAV)…

This work investigates a collaborative sensing and data collection system in which multiple unmanned aerial vehicles (UAVs) sense an area of interest and transmit images to a cloud server (CS) for processing. To accelerate the completion of…

Signal Processing · Electrical Eng. & Systems 2024-11-05 Eunhyuk Park , Junbeom Kim , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

This paper studies an unmanned aerial vehicle (UAV)-enabled multicast channel, in which a UAV serves as a mobile transmitter to deliver common information to a set of $K$ ground users. We aim to characterize the capacity of this channel…

Information Theory · Computer Science 2018-02-01 Yundi Wu , Jie Xu , Ling Qiu , Rui Zhang

In this letter, we propose to employ movable antenna (MA) to enhance covert communications with noise uncertainty, where the confidential data is transmitted from an MA-aided access point (AP) to multiple users with a warden attempting to…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Haobin Mao , Xiangyu Pi , Lipeng Zhu , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

Unmanned aerial vehicles (UAVs)-enabled aerial communication provides a flexible, reliable, and cost-effective solution for a range of wireless applications. However, due to the high line-of-sight (LoS) probability, aerial communications…

Networking and Internet Architecture · Computer Science 2024-04-12 Jiahui Li , Geng Sun , Qingqing Wu , Shuang Liang , Pengfei Wang , Dusit Niyato

In this letter, we consider optimal hybrid beamforming design to minimize the transmission power under individual signal-to-interference-plus-noise ratio (SINR) constraints in a multiuser massive multiple-input-multiple-output (MIMO)…

Signal Processing · Electrical Eng. & Systems 2018-11-27 Guangda Zang , Ying Cui , Hei Victor Cheng , Feng Yang , Lianghui Ding , Hui Liu