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This paper studies an unmanned aerial vehicle (UAV)-enabled wireless powered communication network (WPCN), in which a UAV is dispatched as a mobile access point (AP) to serve a set of ground users periodically. The UAV employs the radio…

信息论 · 计算机科学 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

Hybrid free space optical (FSO)/radio frequency (RF) systems have been proved to be reliable links for high-data-rate wireless backhauls. In this paper, we present a unified performance analysis of the hybrid FSO/RF transmission system…

信号处理 · 电气工程与系统科学 2020-12-30 Long Huang , Siming Liu , Pan Dai , Mi Li , Gee-Kung Chang , Yuechun Shi , Xiangfei Chen

This paper investigates a novel unmanned aerial vehicle (UAV) secure communication system with integrated sensing and communications. We consider wireless security enhancement for a multiple-antenna UAV transmitting ISAC waveforms to…

信号处理 · 电气工程与系统科学 2024-09-24 Yue Xiu , Wanting Lyu , Phee Lep Yeoh , Yi Ai , Yonghui Li , Ning Wei

In this work, a delay-tolerant unmanned aerial vehicle (UAV) relayed covert and secure communication framework is investigated. In this framework, a legitimate UAV serves as an aerial relay to realize communication when the direct link…

信息论 · 计算机科学 2025-06-03 Jiacheng Jiang , Hongjiang Lei , Ki-Hong Park , Gaofeng Pan , Mohamed-Slim Alouini

Since various types of unmanned aerial vehicles (UAVs) with different hardware capabilities are introduced, we establish a foundation for the multi-layer aerial network (MAN). First, the MAN is modeled as K layer ANs, and each layer has…

信号处理 · 电气工程与系统科学 2019-04-03 Dongsun Kim , Jemin Lee , Tony Q. S. Quek

The use of Millimeter-wave (mmWave) spectrum in cellular communications has recently attracted growing interest to support the expected massive increase in traffic demands. However, the high path-loss at mmWave frequencies poses severe…

信号处理 · 电气工程与系统科学 2019-07-08 Alberto Perez , Abdurrahman Fouda , Ahmed S. Ibrahim

Underwater acoustic (UWA) communications generally rely on cognitive radio (CR)-based ad-hoc networks due to challenges such as long propagation delay, limited channel resources, and high attenuation. To address the constraints of limited…

信号处理 · 电气工程与系统科学 2025-06-17 Minwoo Kim , Youngchol Choi , Yeongjun Kim , Eojin Seo , Hyun Jong Yang

As underwater human activities are increasing, the demand for underwater communication service presents a significant challenge. Existing underwater diver communication methods face hurdles due to inherent disadvantages and complex…

多智能体系统 · 计算机科学 2025-10-24 Tinglong Deng , Hang Tao , Xinxiang Wang , Yinyan Wang , Hanjiang Luo

In this paper, we investigate an unmanned aerial vehicle (UAV)-assistant air-to-ground communication system, where multiple UAVs form a UAV-enabled virtual antenna array (UVAA) to communicate with remote base stations by utilizing…

网络与互联网体系结构 · 计算机科学 2024-04-12 Saichao Liu , Geng Sun , Jiahui Li , Shuang Liang , Qingqing Wu , Pengfei Wang , Dusit Niyato

The rapid expansion of oceanic applications such as underwater surveillance and mineral exploration is driving the need for real-time wireless backhaul of massive observational data. Such demands are challenging to meet using the narrowband…

信号处理 · 电气工程与系统科学 2026-05-19 Jiayue Liu , Tianqi Mao , Leyu Cao , Weijie Liu , Dezhi Zheng , Julian Cheng , Zhaocheng Wang

In this paper, performance of a lossy cooperative unmanned aerial vehicle (UAV) relay communication system is analyzed. In this system, the UAV relay adopts lossy forward (LF) strategy and the receiver has certain distortion requirements…

网络与互联网体系结构 · 计算机科学 2024-10-04 Ya Lian , Wensheng Lin , Lixin Li , Fucheng Yang , Zhu Han , Tad Matsumoto

Over-the-Air Computation (OAC) enables efficient data aggregation in large-scale distributed systems by exploiting the superposition property of wireless multiple-access channels. In contrast to most existing studies on OAC assuming exact…

信号处理 · 电气工程与系统科学 2026-05-28 Martin Dahl , Zheng Chen , Erik G. Larsson

This paper delves into the time-efficient covert multicast in a wireless communication system facilitated by Unmanned Aerial Vehicle (UAV), in which the UAV aims to disseminate a common covert information to multiple ground users (GUs)…

密码学与安全 · 计算机科学 2024-10-17 Wenhao Zhang , Ji He , Yuanyu Zhang

In this letter, we consider the use of an unmanned aerial vehicle (UAV) as a mobile relay to assist the communication between two ground users without a direct link. We propose a novel store-then-amplify-and-forward (SAF) relaying protocol…

信息论 · 计算机科学 2020-01-07 Xiaochen Lin , Weidong Mei , Rui Zhang

In this letter, we study multiuser communication systems enabled by an unmanned aerial vehicle (UAV) that is equipped with a directional antenna of adjustable beamwidth. We propose a fly-hover-and-communicate protocol where the ground…

信息论 · 计算机科学 2017-11-08 Haiyun He , Shuowen Zhang , Yong Zeng , Rui Zhang

Due to its agile maneuverability, unmanned aerial vehicles (UAVs) have shown great promise for ondemand communications. In practice, UAV-aided aerial base stations are not separate. Instead, they rely on existing satellites/terrestrial…

信息论 · 计算机科学 2021-03-10 Xiangling Li , Wei Feng , Yunfei Chen , Cheng-Xiang Wang , Ning Ge

Unmanned aerial vehicles (UAVs) have a great potential for improving the performance of wireless communication systems due to their wide coverage and high mobility. In this paper, we study a UAV-enabled data collection system, where a UAV…

信息论 · 计算机科学 2017-09-12 Dingcheng Yang , Qingqing Wu , Yong Zeng , Rui Zhang

Reliable and direct communication between unmanned aerial vehicles (UAVs) could facilitate autonomous flight, collision avoidance, and cooperation in UAV swarms. In this paper, we consider UAV-to-UAV (U2U) communications underlaying a…

信息论 · 计算机科学 2019-04-11 M. Mahdi Azari , Giovanni Geraci , Adrian Garcia-Rodriguez , Sofie Pollin

The use of unmanned aerial vehicles (UAVs) as communication platforms is of great practical significance in future wireless networks, especially for on-demand deployment in temporary events and emergency situations. Although prior works…

信息论 · 计算机科学 2018-01-09 Qingqing Wu , Rui Zhang

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in assisting wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper considers a multi-UAV enabled wireless…

信息论 · 计算机科学 2018-01-10 Qingqing Wu , Yong Zeng , Rui Zhang