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相关论文: 3D Dynamic Radio Map Prediction Using Vision Trans…

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It is expected that unmanned aerial vehicles (UAVs) will play a vital role in future communication systems. Optimum positioning of UAVs, serving as base stations, can be done through extensive field measurements or ray tracing simulations…

机器学习 · 计算机科学 2021-12-30 Ibrahim Shoer , Bahadir K. Gunturk , Hasan F. Ates , Tuncer Baykas

Unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) has recently emerged as a promising technique to provide sustainable energy supply for widely distributed low-power ground devices (GDs) in large-scale wireless networks.…

信息论 · 计算机科学 2021-03-02 Lifeng Xie , Xiaowen Cao , Jie Xu , Rui Zhang

In modern cell-less wireless networks, mobility management is undergoing a significant transformation, transitioning from single-link handover management to a more adaptable multi-connectivity cluster reconfiguration approach, including…

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

信息论 · 计算机科学 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

In this paper, we investigate a multi-user downlink multiple-input single-output (MISO) unmanned aerial vehicle (UAV) communication system, where a multi-antenna UAV is employed to serve multiple ground terminals. Unlike existing approaches…

信息论 · 计算机科学 2021-08-03 Yang Wang , Zhen Gao

Unmanned aerial vehicles (UAVs) can be used as aerial wireless base stations when cellular networks go down. Prior studies on UAV-based wireless coverage typically consider an Air-to-Ground path loss model, which assumes that the users are…

In the current unmanned aircraft systems (UASs) for sensing services, unmanned aerial vehicles (UAVs) transmit their sensory data to terrestrial mobile devices over the unlicensed spectrum. However, the interference from surrounding…

信号处理 · 电气工程与系统科学 2020-03-13 F. Wu , H. Zhang , J. Wu , L. Song

The unmanned aerial vehicle (UAV)-enabled communication technology is regarded as an efficient and effective solution for some special application scenarios where existing terrestrial infrastructures are overloaded to provide reliable…

网络与互联网体系结构 · 计算机科学 2022-09-20 Jinjing Wang , Xindi Wang

Precise aerial radio environment characterization is vital for low-altitude planning. However, existing datasets and estimation methods lack the high-resolution granularity required for complex aerial spaces. Additionally, current schemes…

信号处理 · 电气工程与系统科学 2026-04-21 Shijian Gao , Jiahui Liang , Yifeng Yuan , Wenlihan Lu , Guobin Shen , Liuqing Yang

Despite its compactness and information integrity, the range view representation of LiDAR data rarely occurs as the first choice for 3D perception tasks. In this work, we further push the envelop of the range-view representation with a…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Qiang Meng , Xiao Wang , JiaBao Wang , Liujiang Yan , Ke Wang

Unmanned aerial vehicles (UAVs) offer dynamic trajectory control, enabling them to avoid obstacles and establish line-of-sight (LoS) wireless channels with ground nodes (GNs), unlike traditional ground-fixed base stations. This study…

信息论 · 计算机科学 2025-01-07 Gitae Park , Kanghyun Heo , Kisong Lee

The development of wireless power transfer (WPT) and Internet of Things (IoT) offers significant potential but faces challenges such as limited energy supply, dynamic environmental changes, and unstable transmission links. This paper…

网络与互联网体系结构 · 计算机科学 2026-01-26 Wen Zhang , Aimin Wang , Geng Sun , Jiahui Li , Jiacheng Wang , Changyuan Zhao , Dusit Niyato

Precisely modeling radio propagation in dynamic wireless environments is fundamental to the realization of wireless digital twins. Traditional ray tracing methods rely on accurate 3D models with detailed environment parameters, while recent…

网络与互联网体系结构 · 计算机科学 2026-04-28 Yuru Zhang , Ming Zhao , Qiang Liu , Ahmed Alkhateeb , Abhishek K. Agrawal , Qi Qu

Six-dimensional movable antenna (6DMA) has been identified as a new disruptive technology for future wireless systems to support a large number of users with only a few antennas. However, the intricate relationships between the signal…

Ray tracing algorithms, that can simulate multipath radio propagation in presence of geometric obstacles such as buildings, objects or vehicles, are becoming quite popular, due to the increasing availability of digital environment databases…

信号处理 · 电气工程与系统科学 2023-06-14 Denis Bilibashi , Enrico M. Vitucci , Vittorio Degli-Esposti

Recent advancements in mobile and wireless networks are unlocking the full potential of robotic autonomy, enabling robots to take advantage of ultra-low latency, high data throughput, and ubiquitous connectivity. However, for robots to…

网络与互联网体系结构 · 计算机科学 2026-01-23 Cyril Shih-Huan Hsu , Xi Li , Lanfranco Zanzi , Zhiheng Yang , Chrysa Papagianni , Xavier Costa Pérez

This paper explores the effects of three-dimensional (3D) antenna radiation pattern and backhaul constraint on optimal 3D path planning problem of an unmanned aerial vehicle (UAV), in interference prevalent downlink cellular networks. We…

信号处理 · 电气工程与系统科学 2020-04-15 Md Moin Uddin Chowdhury , Sung Joon Maeng , Eyuphan Bulut , Ismail Guvenc

The rapid development of the low-altitude economy has imposed unprecedented demands on wireless infrastructure to accommodate large-scale drone deployments and facilitate intelligent services in dynamic airspace environments. However,…

In this paper, we consider an unmanned aerial vehicle (UAV)-enabled radio access network (RAN) with the UAV acting as an aerial platform to communicate with a set of ground users (GUs) in a variety of modes of practical interest, including…

信息论 · 计算机科学 2018-10-17 Jingwei Zhang , Yong Zeng , Rui Zhang

Prediction of wireless channel gain (CG) across space is a necessary tool for many important wireless network design problems. In this paper, we develop prediction methods that use environment-specific features, namely building maps and CG…

信号处理 · 电气工程与系统科学 2023-10-10 Enes Krijestorac , Danijela Cabric