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Fixed-wing unmanned aerial vehicles (UAVs) are of great potential to serve as aerial access points (APs) owing to better aerodynamic performance and longer flight endurance. However, the inherent hovering feature of fixed-wing UAVs may…

信息论 · 计算机科学 2020-05-11 Junyu Liu , Min Sheng , Ruiling Lyu , Yan Shi , Jiandong Li

Densifying networks and deploying more antennas at each access point are two principal ways to boost the capacity of wireless networks. However, the complicated distributions of the signal power and the accumulated interference power,…

信息论 · 计算机科学 2018-09-25 Xianghao Yu , Chang Li , Jun Zhang , Martin Haenggi , Khaled B. Letaief

Aerial base stations (BSs) attached to unmanned aerial vehicles (UAVs) constitute a new paradigm for next-generation cellular communications. However, the flight range and communication capacity of aerial BSs are usually limited due to the…

信息论 · 计算机科学 2020-01-31 Lin Xiang , Lei Lei , Symeon Chatzinotas , Björn Ottersten , Robert Schober

Integrating unmanned aerial vehicles (UAVs) into future wireless systems such as the fifth-generation (5G) cellular network is anticipated to bring significant benefits for both UAV and telecommunication industries. Generally speaking, UAVs…

信息论 · 计算机科学 2019-07-25 Qingqing Wu , Weidong Mei , Rui Zhang

In this paper, the optimal deployment of multiple unmanned aerial vehicles (UAVs) acting as flying base stations is investigated. Considering the downlink scenario, the goal is to minimize the total required transmit power of UAVs while…

信息论 · 计算机科学 2016-02-05 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

We develop a comprehensive framework to characterize and optimize the performance of a unmanned aerial vehicle (UAV)-assisted D2D network, where D2D transmissions underlay cellular transmissions. Different from conventional…

信息论 · 计算机科学 2020-08-17 Mehdi Monemi , Hina Tabassum

To meet the growing mobility needs in intra-city transportation, the concept of urban air mobility (UAM) has been proposed in which vertical takeoff and landing (VTOL) aircraft are used to provide a ride-hailing service. In UAM, aircraft…

信号处理 · 电气工程与系统科学 2022-01-04 Tengchan Zeng , Omid Semiari , Walid Saad , Mehdi Bennis

The feasibility of performing airborne and ground manipulation, perception, and reconnaissance using wheeled rovers, unmanned aerial vehicles, CubeSats, SmallSats and more have been evaluated before. Among all of these solutions,…

机器人学 · 计算机科学 2022-06-09 Julius Wanner , Eric Sihite , Alireza Ramezani , Morteza Gharib

Unmanned aerial vehicle (UAV) communication is anticipated to be widely applied in the forthcoming fifth-generation (5G) wireless networks, due to its many advantages such as low cost, high mobility, and on-demand deployment. However, the…

信息论 · 计算机科学 2019-01-01 Guangchi Zhang , Qingqing Wu , Miao Cui , Rui Zhang

As urban air mobility (UAM) emerges as a transformative solution to urban transportation, the demand for robust communication frameworks capable of supporting high-density aerial traffic becomes increasingly critical. An essential area of…

信号处理 · 电气工程与系统科学 2025-05-01 Abdullah Abu Zaid , Baha Eddine Youcef Belmekki , Mohamed-Slim Alouini

The large-scale and ever-growing use of unmanned aerial vehicles (UAVs) in a wide range of applications is foreseen to be a major part of beyond 5G and 6G wireless networks in the next decade. The effective support of such massive…

信息论 · 计算机科学 2024-10-28 Mohammad Mozaffari , Xingqin Lin , Stephen Hayes

In recent years, unmanned aerial vehicles (UAVs) have become a key role in wireless communication networks due to their flexibility and dynamic adaptability. However, the openness of UAV-based communications leads to security and privacy…

信号处理 · 电气工程与系统科学 2025-12-11 Chong Huang , Gaojie Chen , Zhuoao Xu , Jing Zhu , Taisong Pan , Rahim Tafazolli , Wei Huang

High-mobility uncrewed aerial vehicle (UAV) communications in low-altitude wireless networks (LAWN) demand reliable beamforming, while conventional feedback-based schemes suffer from excessive overhead and severe misalignment under rapid…

信号处理 · 电气工程与系统科学 2026-04-22 Aimin Tang , Shuhan Wang , Yin Xu

In this paper, a sensing-assisted non-line-of-sight (NLoS) identification method for dynamic uncrewed aerial vehicle (UAV) positioning is proposed for the first time. For urban UAV-to-ground scenarios, a new multi-modal…

信号处理 · 电气工程与系统科学 2026-05-14 Huijuan Qiao , Lu Bai , Mingran Sun , Mengyuan Lu , Jiajing Chen , Xiang Cheng

Cellular-based Unmanned Aerial Vehicle (UAV) systems are a promising paradigm to provide reliable and fast Beyond Visual Line of Sight (BVLoS) communication services for UAV operations. However, such systems are facing a serious GPS…

密码学与安全 · 计算机科学 2022-01-04 Y. Dang , C. Benzaid , B. Yang , T. Taleb

Mobile base stations on board unmanned aerial vehicles (UAVs) promise to deliver connectivity to those areas where the terrestrial infrastructure is overloaded, damaged, or absent. A fundamental problem in this context involves determining…

最优化与控制 · 数学 2021-09-23 Daniel Romero , Pham Q. Viet , Geert Leus

Fluid antenna system (FAS) is emerging as a key technology for enhancing spatial flexibility and sensing accuracy in future wireless systems. This paper investigates an unmanned aerial vehicle (UAV)-enabled FAS for multi-target wireless…

信息论 · 计算机科学 2025-09-29 Xuhui Zhang , Wenchao Liu , Chunjie Wang , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen

Providing connectivity to aerial users, such as cellular-connected unmanned aerial vehicles (UAVs) or flying taxis, is a key challenge for tomorrow's cellular systems. In this paper, the use of coordinated multi-point (CoMP) transmission…

信号处理 · 电气工程与系统科学 2018-11-28 Ramy Amer , Walid Saad , Hesham ElSawy , Majid Butt , Nicola Marchetti

In this paper, we address the problem of finding the optimal trajectory for an unmanned aerial vehicle (UAV) for improving the wireless coverage of a terrestrial cellular network. In particular, we consider a UAV that is tasked to travel…

信号处理 · 电气工程与系统科学 2019-02-14 Md Moin Uddin Chowdhury , Eyuphan Bulut , Ismail Guvenc

Due to their flexible deployment and on-demand mobility, small-scale unmanned aerial vehicles (UAVs) are anticipated to be involved in widespread communication applications in the forthcoming fifth-generation (5G) networks. However, the…

信号处理 · 电气工程与系统科学 2019-06-25 Hui-Ming Wang , Xu Zhang , Jia-Cheng Jiang