Results 21 to 30 of about 175,410 (284)

Joint Resource and Trajectory Optimization for Energy Efficiency Maximization in UAV-Based Networks

Mathematics, 2022
The explosive growth of unmanned aerial vehicles (UAVs)-based networks has accelerated in recent years. One of the crucial tasks of a UAV-based network is managing and allocating resources, including time, power, fly trajectory, and energy resources.
Tran Van Tung, To Truong An, Byung Moo Lee   +2 more
doaj   +1 more source

Backhaul-aware Robust 3D Drone Placement in 5G+ Wireless Networks [PDF]

, 2017
Using drones as flying base stations is a promising approach to enhance the network coverage and area capacity by moving supply towards demand when required.
Kalantari, Elham, Shakir, Muhammad Zeeshan, Yanikomeroglu, Halim, Yongacoglu, Abbas   +3 more
core   +3 more sources

Improving the Accuracy of Vehicle Position in an Urban Environment Using the Outlier Mitigation Algorithm Based on GNSS Multi-Position Clustering

Remote Sensing, 2023
In this paper, we propose a multi-position cluster-based weighted position estimation method that minimizes the influence of multipath (MP)/non-line-of-sight (NLOS) signals using a global navigation satellite system (GNSS) receiver.
Hak Ju Kim, Yong Hun Kim, Joo Han Lee, So Jin Park, Bo Sung Ko, Jin Woo Song   +5 more
doaj   +1 more source

A global battlefield?: Drones and the geographical scope of armed conflict [PDF]

, 2013
The ever-increasing use of drones in the pursuit of the 'war on terror' has given rise to concerns over the emergence of a global battlefield whereby the entire planet is subject to the application of the laws of armed conflict.
Derejko, N, Lubell, N
core   +1 more source

Positional Precision Analysis of Orthomosaics Derived from Drone Captured Aerial Imagery [PDF]

, 2019
The advancement of drones has revolutionized the production of aerial imagery. Using a drone with its associated flight control and image processing applications, a high resolution orthorectified mosaic from multiple individual aerial images can be ...
Hung, I-Kuai, Kulhavy, David, Unger, Daniel, Zhang, Yanli   +3 more
core   +2 more sources

Inherent Limitations of Smartphone GNSS Positioning and Effective Methods to Increase the Accuracy Utilizing Dual-Frequency Measurements

Sensors, 2022
Xiaomi Mi8 with a Broadcom BCM47755 chip, an Android smartphone that supports multi-constellation (GPS, GLONASS, Galileo, BeiDou, and QZSS) and dual-frequency (L1/E1 and L5/E5), was launched in May 2018.
Jeonghyeon Yun, Cheolsoon Lim, Byungwoon Park   +2 more
doaj   +1 more source

Improved Electrical and Optical Properties of IGZO Transparent Conductive Oxide Due to Microwave Treatment: Application to Silicon Solar Cells

IEEE Access, 2022
The electrical and optical properties of IGZO-based transparent conductive oxide (TCO), fabricated by reactive-sputtering, are optimized using post microwave treatment (MWT), not rapid temperature annealing (RTA), for silicon solar cell.
Myoungsu Chae, Doowon Lee, Sungho Kim, Hee-Dong Kim   +3 more
doaj   +1 more source

The droning of the drones

Scilight, 2022
New measurement setup can gauge noise emissions from drones and ...
openaire   +1 more source

Thinking about the 'law of unintended consequences' [PDF]

, 2014
The United State’s now-not-so-covert drone based program targeting Al Qaeda (AQ) and Taliban commanders based in Pakistan’s inhospitable and hostile Federally Administered Tribal Areas (FETA) has been operational since 2004.
Singh, Rashmi
core   +1 more source

IZO/ITO Double-Layered Transparent Conductive Oxide for Silicon Heterojunction Solar Cells

IEEE Access, 2022
Zinc-doped indium oxide (IZO)+ tin-doped indium oxide (ITO) is proposed in this study as a double-layered transparent conductive oxide (TCO) for the application of silicon heterojunction (SHJ) solar cells.
Doowon Lee, Ahreum Lee, Hee-Dong Kim
doaj   +1 more source