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Stochastic Geometry-Based Analysis of Airborne Base Stations with Laser-powered UAVs [article]

Mohamed-Amine Lahmeri, Mustafa A. Kishk, Mohamed-Slim Alouini
2019 arXiv   pre-print
In this letter, we study the performance of a laser-powered UAV-enabled communication system using tools from stochastic geometry.  ...  One of the most promising solutions to the problem of limited flight time of unmanned aerial vehicles (UAVs), is providing the UAVs with power through laser beams emitted from Laser Beam Directors (LBDs  ...  In this letter, we use tools from stochastic geometry to model and analyze the performance of laser-powered UAVmounted BSs.  ... 
arXiv:1910.07794v1 fatcat:qy2ua4dhxjf2lafzfuoghpgk4i

Table of contents

2020 IEEE Communications Letters  
Evans 169 Stochastic Geometry-based Analysis of Airborne Base Stations With Laser-powered UAVs .............................. ...........................................................................  ...  Bhatia 150 Optimal Placement of UAV-Assisted Free-Space Optical Communication Systems With DF Relaying .................. ...............................................................................  ... 
doi:10.1109/lcomm.2019.2959749 fatcat:ups7vvw52nasxb2ciuqt3q5nfa

A COMPARISON OF UAV AND TLS DATA FOR SOIL ROUGHNESS ASSESSMENT

M. Milenković, W. Karel, C. Ressl, N. Pfeifer
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The analysis of the UAV- and TLS-DSMs were performed in the spatial domain based on the surface autocorrelation function and the correlation length, and in the frequency domain based on the roughness spectrum  ...  By contrast to the static techniques, images taken from unmanned aerial vehicles (UAV) can maintain near-nadir looking geometry over scales of several agricultural fields.  ...  We would also like to thank Melanie Rašković for helping with measurements of the ground control points as well as Peter Dorninger and Clemens Nothegger from 4D-IT GmbH for collecting the UAV images.  ... 
doi:10.5194/isprsannals-iii-5-145-2016 fatcat:hd4zprbel5bx5k63olygqbp6oy

A COMPARISON OF UAV AND TLS DATA FOR SOIL ROUGHNESS ASSESSMENT

M. Milenković, W. Karel, C. Ressl, N. Pfeifer
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The analysis of the UAV- and TLS-DSMs were performed in the spatial domain based on the surface autocorrelation function and the correlation length, and in the frequency domain based on the roughness spectrum  ...  By contrast to the static techniques, images taken from unmanned aerial vehicles (UAV) can maintain near-nadir looking geometry over scales of several agricultural fields.  ...  We would also like to thank Melanie Rašković for helping with measurements of the ground control points as well as Peter Dorninger and Clemens Nothegger from 4D-IT GmbH for collecting the UAV images.  ... 
doi:10.5194/isprs-annals-iii-5-145-2016 fatcat:o3rmflm6argwfe5dqjuuj6d42u

A REVIEW OF RELAY NETWORK ON UAVS FOR ENHANCED CONNECTIVITY

Muhammad Nauman Bashir, Kamaludin Mohamad Yusof
2019 Jurnal Teknologi  
This paper provides a discussion of basic UAV based multi-hop relay network architecture and analyses their benefits, applications, and tradeoffs.  ...  One of the best evolution in technology breakthroughs is the Unmanned Aerial Vehicle (UAV).  ...  The authors are grateful and would like to thank the School of Electrical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM) for the facilities provided and those who directly or  ... 
doi:10.11113/jt.v82.13183 fatcat:m3twjabpczff5jt3rblutjq5wi

TECHNICAL ASPECTS RELATED TO THE APPLICATION OF SFM PHOTOGRAMMETRY IN HIGH MOUNTAIN

M. Scaioni, J. Crippa, M. Corti, L. Barazzetti, D. Fugazza, R. Azzoni, M. Cernuschi, G. A. Diolaiuti
2018 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Due to the easy transportability and low-cost of necessary equipment with respect to laser scanning techniques, SfM photogrammetry has great potential to be applied in harsh high-mountain environment.  ...  Structure-from-Motion (SfM) photogrammetry is a flexible and powerful tool to provide 3D point clouds describing the surface of objects.  ...  The authors acknowledge the Central Scientific Committee of CAI (Italian Alpine Club) and Levissima San Pellegrino S.P.A. for funding the UAV quadcopter.  ... 
doi:10.5194/isprs-archives-xlii-2-1029-2018 fatcat:byiswkbzljhjpm56vlh366rhqe

On-the-Fly Olive Trees Counting Using a UAS and Cloud Services

Esther Salamí, Antonia Gallardo, Georgy Skorobogatov, Cristina Barrado
2019 Remote Sensing  
The tree counting algorithm obtains an F 1 score of 99 . 09 % for a sequence of ten images with 332 olive trees.  ...  This processing requires large computing power and time before delivery.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs11030316 fatcat:p766w3ahh5b5xntp53ycaf3ed4

Demonstration of High-Rate Laser Communications From a Fast Airborne Platform

Florian Moll, Joachim Horwath, Amita Shrestha, Martin Brechtelsbauer, Christian Fuchs, Luis A. Martin Navajas, Alberto M. Lozano Souto, Dionisio Diaz Gonzalez
2015 IEEE Journal on Selected Areas in Communications  
The experiment itself focused on the tracking performance of the airborne terminal and the ground station.  ...  In this paper, we report on the demonstration of a high-rate free-space optical communication downlink from a fast airborne platform to a ground station.  ...  The flight campaign was organized and conducted together with the Bundeswehr Technical and Airworthiness Center for Aircraft (WTD 61) in Manching.  ... 
doi:10.1109/jsac.2015.2433054 fatcat:dbzoop33z5bm7hkltmsi4s5szm

A Stochastic Model for UAV Networks Positioned Above Demand Hotspots in Urban Environments [article]

Boris Galkin, Jacek Kibiłda, Luiz A. DaSilva
2018 arXiv   pre-print
In this paper we use stochastic geometry to characterise the behaviour of a network of UAV access points that intelligently position themselves above user hotspots, and we evaluate the performance of such  ...  Wireless access points on unmanned aerial vehicles (UAVs) are being considered for mobile service provisioning in commercial networks.  ...  UAV networks have also been analysed using stochastic geometry in prior art.  ... 
arXiv:1804.11001v1 fatcat:k3h4avb66bdhlhblmjcp4uqisa

Post-Disaster Communications: Enabling Technologies, Architectures, and Open Challenges [article]

Maurilio Matracia, Nasir Saeed, Mustafa A. Kishk, Mohamed-Slim Alouini
2022 arXiv   pre-print
Finally, we present several promising research directions, namely backhauling, placement optimization of aerial base stations, and the mobility-related aspects that come into play when deploying aerial  ...  In the context of 6G, airborne and spaceborne networks offer hope in disaster recovery to serve the underserved and to be resilient in calamities.  ...  An interesting problem tackled with stochastic geometry is [128] .  ... 
arXiv:2203.13621v1 fatcat:fiuqs6daxbecvp4oilcswrnuwi

Lidar Boosts 3D Ecological Observations and Modelings: A review and perspective

Qinghua Guo, Yanjun Su, Tianyu Hu, Hongcan Guan, Shichao Jin, Jing Zhang, Xiaoxia Zhao, Kexin Xu, Dengjie Wei, Maggi Kelly, Nicholas Coops
2020 IEEE Geoscience and Remote Sensing Magazine  
Laser scanners can be mounted on various types of platforms [e.g., tripods, backpacks, automobiles, unmanned aerial vehicles (UAVs), manned aircraft, and satellites], with capabilities ranging from the  ...  Airborne lidar systems, also known as airborne laser scanning, involve the integration of positioning and inertial measurement technologies and have greatly increased ranging capacity.  ... 
doi:10.1109/mgrs.2020.3032713 fatcat:vot6c4ceabectd6xcpgev5duyu

Review and critical analysis on digital elevation models

Subbu Esakkipandian Lakshmi, Kiran Yarrakula
2019 Geofizika  
DEM reflects the physical surface of the earth helps to understand the nature of terrain by means of interpreting the landscape using modern techniques and high-resolution satellite images.  ...  DEM in various applications will be useful to replicate the overall importance of the availability of worldwide, consistent, high-quality digital elevation models.  ...  Barry and Coakley, (2013) , Suwandana et al. (2012) take over GPS and total station using UAV Photogrammetry to collect geographic data and compared the accuracy of UAV Photogrammetry with RTK-GPS and  ... 
doi:10.15233/gfz.2018.35.7 fatcat:x4r2xk6nzncq3jkeiyu3bu5fq4

A unified approach to cooperative and non-cooperative Sense-and-Avoid

Subramanian Ramasamy, Roberto Sabatini
2015 2015 International Conference on Unmanned Aircraft Systems (ICUAS)  
with the aid of differential geometry algorithms to generate a smooth and flyable trajectory [26] .  ...  The currently available SAA technologies do not meet the targeted levels of safety with the practical Size, Weight and Power (SWaP) criteria of a UAV platform for both Line-Of-Sight (LOS) and Beyond Line-Of-Sight  ... 
doi:10.1109/icuas.2015.7152360 fatcat:3ujlnedjlfc4pgj5dgu7qsytke

Improvement of volume estimation of stockpile of earthworks using a concave hull- footprint

David N. SIRIBA, Sammy M. MATARA, Sammy M. MUSYOKA
2015 Micro, Macro & Mezzo Geoinformation  
In this paper, an approach for automatic delineation of the stockpile footprint based on a concave hull is introduced.  ...  A concave hull as a geometry (usually point data) container is realized by minimizing the enclosing planimetric area and it is usually not unique.  ...  Acknowledgement We acknowledge the East African Portland Cement Company ltd (Kenya), who provided the stockpiles of earthwork used for experimentation.  ... 
doaj:41b5cf23fee94e209b7ecfb8e64b8f14 fatcat:u6mzxwagzrhibk6r4u2vwvxhkm

A Survey on Energy Optimization Techniques in UAV-Based Cellular Networks: From Conventional to Machine Learning Approaches [article]

Attai Ibrahim Abubakar, Iftikhar Ahmad, Kenechi G. Omeke, Metin Ozturk, Cihat Ozturk, Ali Makine Abdel-Salam, Michael S. Mollel, Qammer H. Abbasi, Sajjad Hussain, Muhammad Ali Imran
2022 arXiv   pre-print
The main idea is to deploy base stations on UAVs and operate them as flying base stations, thereby bringing additional capacity to where it is needed.  ...  In addition, for the purpose of completeness, we include a brief tutorial on the optimization methods and power supply and charging mechanisms of UAVs.  ...  He is currently pursuing the Ph.D. degree with a topic on network theory in the Marmara University, Istanbul. He is currently a Research Assistant with Ankara Yildirim Beyazit University (AYBU).  ... 
arXiv:2204.07967v1 fatcat:2x7dyojlvjfknibfsliiq4ozw4
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