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相关论文: DQN-based Beamforming for Uplink mmWave Cellular-C…

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Deep Reinforcement Learning (DRL) is gaining attention as a potential approach to design trajectories for autonomous unmanned aerial vehicles (UAV) used as flying access points in the context of cellular or Internet of Things (IoT)…

信息论 · 计算机科学 2022-02-07 Omid Esrafilian , Harald Bayerlein , David Gesbert

In this paper, a novel communication framework that uses an unmanned aerial vehicle (UAV)-carried intelligent reflector (IR) is proposed to enhance multi-user downlink transmissions over millimeter wave (mmWave) frequencies. In order to…

信息论 · 计算机科学 2020-11-04 Qianqian Zhang , Walid Saad , Mehdi Bennis

Unmanned aerial vehicles serving as aerial base stations (UAV-BSs) can be deployed to provide wireless connectivity to ground devices in events of increased network demand, points-of-failure in existing infrastructure, or disasters.…

多智能体系统 · 计算机科学 2021-11-05 Babatunji Omoniwa , Boris Galkin , Ivana Dusparic

Millimeter-wave (mmWave) hybrid analog-digital beamforming is a promising approach to satisfy the low-latency constraint in multiple unmanned aerial vehicles (UAVs) systems, which serve as network infrastructure for flexible deployment.…

Effective solutions for intelligent data collection in terrestrial cellular networks are crucial, especially in the context of Internet of Things applications. The limited spectrum and coverage area of terrestrial base stations pose…

系统与控制 · 电气工程与系统科学 2024-06-04 Abhishek Mondal , Deepak Mishra , Ganesh Prasad , George C. Alexandropoulos , Azzam Alnahari , Riku Jantti

Directional beamforming is a crucial component for realizing robust wireless communication systems using millimeter wave (mmWave) technology. Beam alignment using brute-force search of the space introduces time overhead while location aided…

信号处理 · 电气工程与系统科学 2021-02-23 Vishnu Raj , Nancy Nayak , Sheetal Kalyani

In this study, we consider an unmanned aerial vehicle (UAV)-assisted heterogeneous network that is offered as a cost-effective and easy to deploy solution to solve the problem related to transferring traffic of distributed small cells to…

信号处理 · 电气工程与系统科学 2022-03-29 Mohammad Taghi Dabiri , Mazen Omar Hasna

Millimeter-wave massive multiple-input multiple-output systems employ highly directional beamforming to overcome severe path loss, and their performance critically depends on accurate beam alignment. Conventional codebook-based methods…

信号处理 · 电气工程与系统科学 2026-02-26 Weijie Jin , Jing Zhang , Hengtao He , Chao-Kai Wen , Xiao Li , Shi Jin

In the field of autonomous Unmanned Aerial Vehicles (UAVs) landing, conventional approaches fall short in delivering not only the required precision but also the resilience against environmental disturbances. Yet, learning-based algorithms…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Francisco Neves , Luís Branco , Maria Pereira , Rafael Claro , Andry Pinto

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

Unmanned aerial vehicle (UAV)-based base stations offer a promising solution in emergencies where the rapid deployment of cutting-edge networks is crucial for maximizing life-saving potential. Optimizing the strategic positioning of these…

人工智能 · 计算机科学 2025-04-08 Mario Rico Ibanez , Azim Akhtarshenas , David Lopez-Perez , Giovanni Geraci

Millimeter wave (mmWave)-enabled unmanned aerial vehicle (UAV) swarm networks (UAVSNs) can utilize a large spectrum of resources to provide low latency and high data transmission rate. Additionally, owing to the short wavelength, UAVs…

系统与控制 · 电气工程与系统科学 2024-10-16 Muhammad Morshed Alam , Sangman Moh

Unmanned Aerial Vehicle (UAV) based communication networks (UCNs) are a key component in future mobile networking. To handle the dynamic environments in UCNs, reinforcement learning (RL) has been a promising solution attributed to its…

系统与控制 · 电气工程与系统科学 2024-09-26 Ran Zhang , Bowei Li , Liyuan Zhang , Jiang , Xie , Miao Wang

Beamforming techniques are considered as essential parts to compensate the severe path loss in millimeter-wave (mmWave) communications by adopting large antenna arrays and formulating narrow beams to obtain satisfactory received powers.…

网络与互联网体系结构 · 计算机科学 2024-02-05 Muhammad Baqer Mollah , Honggang Wang , Hua Fang

Unmanned aerial vehicles (UAVs) have emerged as the potential aerial base stations (BSs) to improve terrestrial communications. However, the limited onboard energy and antenna power of a UAV restrict its communication range and transmission…

神经与进化计算 · 计算机科学 2025-02-11 Geng Sun , Jian Xiao , Jiahui Li , Jiacheng Wang , Jiawen Kang , Dusit Niyato , Shiwen Mao

Unmanned aerial vehicles (UAVs) have gained considerable attention as a platform for establishing aerial wireless networks and communications. However, the line-of-sight dominance in air-to-ground communications often leads to significant…

神经与进化计算 · 计算机科学 2024-12-10 Hongjuan Li , Hui Kang , Geng Sun , Jiahui Li , Jiacheng Wang , Xue Wang , Dusit Niyato , Victor C. M. Leung

Unmanned aerial vehicles (UAVs) are expected to be an integral part of wireless networks, and determining collision-free trajectories for multiple UAVs while satisfying requirements of connectivity with ground base stations (GBSs) is a…

机器人学 · 计算机科学 2021-04-19 Xueyuan Wang , M. Cenk Gursoy

In this paper, a full-duplex unmanned aerial vehicle (FD-UAV) relay is employed to increase the communication capacity of millimeter-wave (mmWave) networks. Large antenna arrays are equipped at the source node (SN), destination node (DN),…

信号处理 · 电气工程与系统科学 2020-04-24 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Xiang-Gen Xia , Robert Schober

In this paper, we aim to explore the use of uplink semantic communications with the assistance of UAV in order to improve data collection effiicency for metaverse users in remote areas. To reduce the time for uplink data collection while…

网络与互联网体系结构 · 计算机科学 2023-12-04 Peiyuan Si , Jun Zhao , Kwok-Yan Lam , Qing Yang

To address the ever-growing connectivity demands of wireless communications, the adoption of ingenious solutions, such as Unmanned Aerial Vehicles (UAVs) as mobile Base Stations (BSs), is imperative. In general, the location of a UAV Base…

网络与互联网体系结构 · 计算机科学 2022-04-12 Ali Murat Demirtas , Mehmet Saygin Seyfioglu , Irem Bor-Yaliniz , Bulent Tavli , Halim Yanikomeroglu