Results 61 to 70 of about 166,319,184 (282)

Offline Imagery Checks for Remote Drone Usage

Drones, 2022
Drones are increasingly used for a wide range of applications including mapping, monitoring, detection, tracking and videography. Drone software and flight mission programs are, however, still largely marketed for “urban” use such as property photography,
Roxane J. Francis, Kate J. Brandis, Justin A. McCann   +2 more
doaj   +1 more source

Unified Phase‐Field Framework for Antiferroelectric, Ferroelectric and Dielectric Phases: Application to HZO Thin Films

Advanced Functional Materials, EarlyView.
HfxZr1−xO2${\rm Hf}_x{\rm Zr}_{1-x}{\rm O}_2$ offers CMOS‐compatible nanoscale ferroelectricity yet suffers from a high Ec${\rm E}_c$ demanding large operating voltages. A unified phase‐field framework spanning AFE/FE/DE phases shows how FE grains soften neighboring AFE grains over λ$\lambda$ ≈$\approx$ 22–37 nm.
P. Pankaj, Sandeep Sugathan, Jiyoung Kim, Si Joon Kim, Pil‐Ryung Cha   +4 more
wiley   +1 more source

An Efficient and Reliable User Access Protocol for Internet of Drones

IEEE Access, 2023
The Internet of Drones (IoD) has blown up the interest of academia and industry due to their deployment in military and civil fields. In the IoD environment, drones collect and transmit real-time data to the users through an insecure wireless medium.
Sajid Hussain, Muhammad Farooq, Bander A. Alzahrani, Aiiad Albeshri, Khalid Alsubhi, Shehzad Ashraf Chaudhry   +5 more
doaj   +1 more source

Tangible outcomes of internet use: from digital skills to tangible outcomes project report [PDF]

, 2015
In the past decade, digital divide discussions have moved from discussions of use or non-use, to a more nuanced recognition of different types and levels of access, motivation, skills and Internet use in a discourse that centres around digital inclusion ...
Helsper, Ellen J., Ellen J. Helsper, van Deursen, Alexander Johannes Aloysius Maria, Eynon, Rebecca, Rebecca Eynon, Alexander van Deursen   +5 more
core   +1 more source

Multistage, Self‐Sensing Artificial Muscles With Coordination From Liquid Crystal Elastomer‐Graphene Composite Fibers

Advanced Functional Materials, EarlyView.
Inspired by skeletal muscles’ precision and endurance, CoilLCE integrates a self‐sensing liquid crystal elastomer/graphene artificial muscle with an embedded Joule‐heating copper coil, enabling closed‐loop multistage actuation with programmable intermediate states (strain accuracy of 2%), and antagonistic coordination (32% total strain). These features
Ziyun Zhang, Xuelin Wu, Yinding Chi, Qingya Huang, Yaoye Hong, Antonio Proctor Martinez, Jingxian Wu, Bingzhi He, Cynthia Sung, Shu Yang   +9 more
wiley   +1 more source

Hybrid Self-Organized Clustering Scheme for Drone Based Cognitive Internet of Things

IEEE Access, 2019
Network management by using a cognitive approach is an attractive solution for drone-based Internet of Things (IoT) environment to provide many modern facilities to IoT users.
Farooq Aftab, Ali khan, Zhongshan Zhang
doaj   +1 more source

Lightweight Drone-to-Ground Station and Drone-to-Drone Authentication Scheme for Internet of Drones

Symmetry
The implementation of the Authentication and Key Agreement (AKA) protocol in the Internet of Drones (IoD) is crucial for enhancing the security and reliability of information transmission. However, almost all existing authentication protocols between drones and Ground Station (GS) may suffer from several attacks due to capture attacks. In addition, the
Qi Xie 0001, Jilin Zhang
openaire   +2 more sources

Forward‐Biased Perovskite Photodiodes for In‐Sensor Optical Change Sensing

Advanced Functional Materials, EarlyView.
A forward‐biased perovskite photodiode is introduced as an in‐sensor analog preprocessing unit that uses current balancing between photocurrent and injection current to generate optical changes relative to programmable optical reference levels. The device directly converts reference‐relative optical changes into bipolar current signals, enabling sensor‐
Eungseon Yeon, Je‐Jun Lee, Somin Yun, Sangin Hahn, Chanhyeok Kim, Jinsoo Park, Jung Pyo Hong, Seong‐Jun Han, Jung Woo Kim, Jeong Hwan Lee, Subin Jeon, Youngmin Kim, Gunuk Wang, Hanul Min, Do Kyung Hwang   +14 more
wiley   +1 more source

Amassing the Security: An Enhanced Authentication Protocol for Drone Communications over 5G Networks

Drones, 2021
At present, the great progress made by the Internet of Things (IoT) has led to the emergence of the Internet of Drones (IoD). IoD is an extension of the IoT, which is used to control and manipulate drones entering the flight area.
Tsuyang Wu, Xinglan Guo, Yehcheng Chen, Saru Kumari, Chienming Chen   +4 more
doaj   +1 more source

Design and analysis of secure lightweight remote user authentication and key agreement scheme in internet of drones deployment

, 2019
© 2014 IEEE. The Internet of Drones (IoD) provides a coordinated access to unmanned aerial vehicles that are referred as drones. The on-going miniaturization of sensors, actuators, and processors with ubiquitous wireless connectivity makes drones to be ...
Wazid, Mohammad,, Vasilakos, Athanasios,, Rodrigues, Joel J. P. C.,, Das, AK, Kumar Das, Ashok,, Wazid, M, Kumar, N, Rodrigues, JJPC, Vasilakos, AV, Kumar, Neeraj,   +9 more
core   +1 more source