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Unmanned aerial vehicle (UAV)-enabled communication is a promising technology to extend coverage and enhance throughput for traditional terrestrial wireless communication systems. In this paper, we consider a UAV-enabled wireless sensor…

信息论 · 计算机科学 2020-02-25 Jingwei Zhang , Yong Zeng , Rui Zhang

In this paper, we consider multiple solar-powered wireless nodes which utilize the harvested solar energy to transmit collected data to multiple unmanned aerial vehicles (UAVs) in the uplink. In this context, we jointly design UAV flight…

网络与互联网体系结构 · 计算机科学 2022-07-22 Chien-Wei Fu , Meng-Lin Ku , Yu-Jia Chen , Tony Q. S. Quek

This letter investigates an uplink power control problem for unmanned aerial vehicles (UAVs) assisted wireless communications. We jointly optimize the UAV's flying altitude, antenna beamwidth, UAV's location and ground terminals' allocated…

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

We consider the relaying application of unmanned aerial vehicles (UAVs), in which UAVs are placed between two transceivers (TRs) to increase the throughput of the system. Instead of studying the placement of UAVs as pursued in existing…

信号处理 · 电气工程与系统科学 2020-09-01 Seyyedali Hosseinalipour , Ali Rahmati , Huaiyu Dai

The recent evolution of ambient backscattering technology has the potential to provide long-range and low-power wireless communications. In this work, we study the unmanned aerial vehicle (UAV)-assisted backscatter networks where the UAV…

网络与互联网体系结构 · 计算机科学 2019-02-11 Amin Farajzadeh , Ozgur Ercetin , Halim Yanikomeroglu

On-board battery consumption, cellular disconnectivity, and frequent handoff are key challenges for unmanned aerial vehicle (UAV) based delivery missions, a.k.a., cargo-UAV. Indeed, with the introduction of UAV technology into cargo…

系统与控制 · 电气工程与系统科学 2021-06-29 Nesrine Cherif , Wael Jaafar , Halim Yanikomeroglu , Abbas Yongacoglu

This paper investigates the joint optimization of beamforming and antenna positions in fluid antenna system (FAS)-aided anti-jamming communications. We consider a multi-user multiple-input multiple-output downlink scenario where multiple…

信号处理 · 电气工程与系统科学 2026-04-14 Yifan Guo , Junshan Luo , Shilian Wang , Zhenhai Xu

In this paper, we investigate the unmanned aerial vehicle (UAV)-aided simultaneous uplink and downlink transmission networks, where one UAV acting as a disseminator is connected to multiple access points, and the other UAV acting as a base…

信息论 · 计算机科学 2020-06-16 Meng Hua , Luxi Yang , Qingqing Wu , A. Lee Swindlehurst

In this paper, we propose a new resource allocation framework for unmanned aerial vehicle (UAV) assisted multicast wireless networks in which the network users according to their request are divided into several multicast groups. We adopt…

系统与控制 · 电气工程与系统科学 2022-02-15 Shima Salarhosseini , Mohammad Reza Javan , Ali Nazari

In this paper, we study resource allocation for a full-duplex (FD) radio base station serving multiple half-duplex (HD) downlink and uplink users simultaneously. The considered resource allocation algorithm design is formulated as a…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Yan Sun , Robert Schober

Unmanned aerial vehicle (UAV)-enabled wireless powered communication networks (WPCNs) are promising technologies in 5G/6G wireless communications, while there are several challenges about UAV power allocation and scheduling to enhance the…

系统与控制 · 电气工程与系统科学 2023-10-03 Hongyang Pan , Yanheng Liu , Geng Sun , Junsong Fan , Shuang Liang , Chau Yuen

This paper studies a secrecy unmanned aerial vehicle (UAV) communication system with coordinated multi-point (CoMP) reception, in which one UAV sends confidential messages to a set of cooperative ground receivers (GRs), in the presence of…

信息论 · 计算机科学 2020-01-03 Jianping Yao , Jie Xu

Cognitive radio is a promising technology to improve spectral efficiency. However, the secure performance of a secondary network achieved by using physical layer security techniques is limited by its transmit power and channel fading. In…

信息论 · 计算机科学 2020-05-08 Yifan Zhou , Fuhui Zhou , Huilin Zhou , Derrick Wing Kwan Ng , Rose Qingyang Hu

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…

信息论 · 计算机科学 2020-11-19 Hieu Tran-Dinh , Sumit Gautam , Symeon Chatzinotas , Bjorn Ottersten

In this paper, the problem of unmanned aerial vehicle (UAV) deployment, power allocation, and bandwidth allocation is investigated for a UAV-assisted wireless system operating at terahertz (THz) frequencies. In the studied model, one UAV…

信息论 · 计算机科学 2021-03-16 Luyao Xu , Ming Chen , Mingzhe Chen , Zhaohui Yang , Christina Chaccour , Walid Saad , Choong Seon Hong

This paper presents an optimized Joint Radar-Communication (JRC) system utilizing multiple Unmanned Aerial Vehicles (UAVs) to simultaneously achieve sensing and communication objectives. By leveraging UAVs equipped with dual radar and…

新兴技术 · 计算机科学 2025-11-04 Alaa Awad Abdellatif , Helder Fontes , Andre Coelho , Luis M. Pessoa , Rui Campos

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

Unmanned aerial vehicles (UAVs) have been attracting significant attention because there is a high probability of line-of-sight links being obtained between them and terrestrial nodes in high-rise urban areas. In this work, we investigate…

信息论 · 计算机科学 2024-06-04 Hongjiang Lei , Xiaqiu Wu , Ki-Hong Park , Gaofeng Pan

For unmanned aerial vehicle (UAV) trajectory design, the total propulsion energy consumption and initial-final location constraints are practical factors to consider. However, unlike traditional offline designs, these two constraints are…

信号处理 · 电气工程与系统科学 2024-07-18 Yifan Jiang , Qingqing Wu , Wen Chen , Hongxun Hui