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Fieldwork still is the first and foremost source of insight in many disciplines of the geosciences. Virtual fieldwork is an approach meant to enable scientists trained in fieldwork to apply these skills to a virtual representation of…

人机交互 · 计算机科学 2025-01-16 Armin Bernstetter , Tom Kwasnitschka , Jens Karstens , Markus Schlüter , Isabella Peters

Unmanned aerial vehicle (UAV) communications have been widely accepted as promising technologies to support air-to-ground communications in the forthcoming sixth-generation (6G) wireless networks. This paper proposes a novel air-to-ground…

信息论 · 计算机科学 2023-12-27 Xiao Fan , Peiran Wu , Minghua Xia

Satellite communication is experiencing a new dawn thanks to low earth orbit mega constellations being deployed at an unprecedented speed. Fueled by the renewed interest in non-terrestrial networks (NTN), the Third Generation Partnership…

The deployment of Aerial Base Stations (ABSs) mounted on board Unmanned Aerial Vehicles (UAVs) is emerging as a promising technology to provide connectivity in areas where terrestrial infrastructure is insufficient or absent. This may occur…

机器人学 · 计算机科学 2022-03-07 Pham Q. Viet , Daniel Romero

5G millimeter-wave (mmWave) cellular networks are in the early phase of commercial deployments and present a unique opportunity for robust, high-data-rate communication to unmanned aerial vehicles (UAVs). A fundamental question is whether…

系统与控制 · 电气工程与系统科学 2022-09-21 Seongjoon Kang , Marco Mezzavilla , Angel Lozano , Giovanni Geraci , Sundeep Rangan , Vasilii Semkin , William Xia , Giuseppe Loianno

Comparison between existing, well-established satellite technologies, like the Digital Video Broadcasting (DVB) satellite specifications, and the emerging Third Generation Partnership Project (3GPP) specified 5th Generation New Radio (5G…

网络与互联网体系结构 · 计算机科学 2025-02-20 Lauri Sormunen , Tuomas Huikko , Verneri Rönty , Erno Seppänen , Sami Rantanen , Frans Laakso , Vesa Hytönen , Mikko Majamaa , Jani Puttonen

It is crucial to deploy temporary non-terrestrial networks (NTN) in disaster situations where terrestrial networks are no longer operable. Deploying uncrewed aerial vehicle base stations (UAV-BSs) can provide a radio access network (RAN);…

网络与互联网体系结构 · 计算机科学 2024-04-24 Metin Ozturk , Berk Çiloğlu , Görkem Berkay Koç , Halim Yanikomeroglu

This work presents a novel pipeline to recover the 3D structure of an unknown target spacecraft from a sequence of images captured during Rendezvous and Proximity Operations (RPO) in space. The target's geometry and appearance are…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Tae Ha Park , Simone D'Amico

This paper examines integrated satellite-terrestrial networks (ISTNs) in urban environments, where terrestrial networks (TNs) and non-terrestrial networks (NTNs) share the same frequency band in the C-band which is considered the promising…

信号处理 · 电气工程与系统科学 2024-08-29 Hung Nguyen-Kha , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Joel Grotz

This paper applies graph neural networks (GNN) in UAV communications to optimize the placement and transmission design. We consider a multiple-user multiple-input-single-output UAV communication system where a UAV intends to find a…

信号处理 · 电气工程与系统科学 2024-10-04 Qinyu Wang , Yang Lu , Wei Chen , Bo Ai , Zhangdui Zhong , Dusit Niyato

This paper presents a novel approach to build consistent 3D maps for multi robot cooperation in USAR environments. The sensor streams from unmanned aerial vehicles (UAVs) and ground robots (UGV) are fused in one consistent map. The UAV…

机器人学 · 计算机科学 2019-04-10 Hartmut Surmann , Nils Berninger , Rainer Worst

The monopole antenna is widely used in communication applications and is typically mounted on various surfaces that act as ground planes; a prime example being the roof of a car. The shape of the ground plane can drastically change the…

信号处理 · 电气工程与系统科学 2021-10-12 Vito Ciraco

Metasurfaces represent a pivotal advancement in nonlinear optics, leveraging high-Q resonant cavities to enhance harmonic generation. Multi-layer metasurfaces (MLMs) further amplify this potential by intensifying light-matter interactions…

光学 · 物理学 2025-06-13 Omar A. M. Abdelraouf

Cellular-connected unmanned aerial vehicles (UAVs) have recently attracted a surge of interest in both academia and industry. Understanding the air-to-ground (A2G) propagation channels is essential to enable reliable and/or high-throughput…

The ultra high energy cosmic neutrinos are powerful astrophysical probes for both astrophysical mechanisms of particle acceleration and fundamental interactions. They open a window into the very distant and high-energy Universe that is…

天体物理仪器与方法 · 物理学 2015-11-24 Galina Vankova , Stefan Mladenov , Marian Bogomilov , Roumen Tsenov , Mario Bertaina , Andrea Santangelo

Indoor infrastructure inspection, such as tunnels and industrial facilities, requires systematic surface coverage to ensure that all inspection targets are properly observed. Unmanned Aerial Vehicles (UAVs) offer an alternative to manual…

机器人学 · 计算机科学 2026-05-13 Hanyu Jin , Zhefan Xu , Haoyu Shen , Xinming Han , Kanlong Ye , Kenji Shimada

Nowadays, Unmanned Aerial Vehicles (UAVs) are being used in several novel applications, especially in the telecommunication domain. However, ensuring UAV communication and networking for the purpose of a specific application is still…

网络与互联网体系结构 · 计算机科学 2020-07-02 Laila Abouzaid , Essaid Sabir , Halima Elbiaze , Ahmed Errami , Othmane Benhmammouch

The concept of Ultra Dense Networks (UDN) is often seen as a key enabler of the next generation mobile networks. However, existing analysis of UDNs, including Stochastic Geometry, has not been able to fully determine the potential gains and…

信息论 · 计算机科学 2017-12-07 Marcin Filo , Chuan Heng Foh , Seiamak Vahid , Rahim Tafazolli

3D Gaussian Splatting (3DGS) has demonstrated superior quality in modeling 3D objects and scenes. However, generating 3DGS remains challenging due to their discrete, unstructured, and permutation-invariant nature. In this work, we present a…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Aashish Rai , Dilin Wang , Mihir Jain , Nikolaos Sarafianos , Kefan Chen , Srinath Sridhar , Aayush Prakash

Located in the stratospheric layer of Earth's atmosphere, high altitude platform station (HAPS) is a promising network infrastructure, which can bring significant advantages to sixth-generation (6G) and beyond wireless communications…

系统与控制 · 电气工程与系统科学 2024-02-28 Afsoon Alidadi Shamsabadi , Animesh Yadav , Halim Yanikomeroglu