Results 21 to 30 of about 9,784,721 (163)

Structure-based insights into evolution of rhodopsins

Communications Biology, 2021
Zabelskii et al. present a structural and functional analysis of the lightdriven proton pump LR (Mac) from the fungus Leptosphaeria maculans. Their findings indicate that the archaeal ancestry of eukaryotic type 1 rhodopsins, and that the archaeal host ...
Dmitrii Zabelskii, Natalia Dmitrieva, Oleksandr Volkov, Vitaly Shevchenko, Kirill Kovalev, Taras Balandin, Dmytro Soloviov, Roman Astashkin, Egor Zinovev, Alexey Alekseev, Ekaterina Round, Vitaly Polovinkin, Igor Chizhov, Andrey Rogachev, Ivan Okhrimenko, Valentin Borshchevskiy, Vladimir Chupin, Georg Büldt, Natalia Yutin, Ernst Bamberg, Eugene Koonin, Valentin Gordeliy   +21 more
doaj   +1 more source

Deep Reinforcement Learning Based Freshness-Aware Path Planning for UAV-Assisted Edge Computing Networks with Device Mobility

Remote Sensing, 2022
As unmanned aerial vehicles (UAVs) can provide flexible and efficient services concerning the sparse network distribution, we study a UAV-assisted mobile edge computing (MEC) network.
Yingsheng Peng, Yong Liu, Dong Li, Han Zhang   +3 more
doaj   +1 more source

HAP-Enabled Communications in Rural Areas: When Diverse Services Meet Inadequate Communication Infrastructures

IEEE Open Journal of the Communications Society, 2023
The high altitude platform (HAP) network has been regarded as a cost-efficient solution for providing network access to rural or remote areas. Apart from network connectivity, rural areas are predicted to have demands for diverse real-time intelligent ...
Yongqiang Zhang, Mustafa A. Kishk, Mohamed-Slim Alouini   +2 more
doaj   +1 more source

Age of Information in Practice

, 2021
While age of Information (AoI) has gained importance as a metric characterizing the fresh-ness of information in information-update systems and time-critical applications, most previous studies on AoI have been theoretical. In this chapter, we compile a set of recent works reporting API measurements in real-life networks and experimental testbeds, and ...
Uysal, Elif, Kaya, Onur, Baghaee, Sajjad, Beytur, Hasan Burhan   +3 more
openaire   +3 more sources

Enhancing Data Freshness in Air-Ground Collaborative Heterogeneous Networks through Contract Theory and Generative Diffusion-Based Mobile Edge Computing

Sensors, 2023
Mobile edge computing is critical for improving the user experience of latency-sensitive and freshness-based applications. This paper provides insights into the potential of non-orthogonal multiple access (NOMA) convergence with heterogeneous air–ground ...
Zhiyao Sun, Guifen Chen
doaj   +1 more source

Joint Task Offloading and Resource Allocation for Obtaining Fresh Status Updates in Multi-Device MEC Systems

IEEE Access, 2020
To improve the operational efficiency of smart city, smart devices extract informative status updates from sampled image and video data to intelligently monitor the surroundings.
Long Liu, Xiaoqi Qin, Zhi Zhang, Ping Zhang   +3 more
doaj   +1 more source

A UoI-Optimal Policy for Timely Status Updates with Resource Constraint

Entropy, 2021
Timely status updates are critical in remote control systems such as autonomous driving and the industrial Internet of Things, where timeliness requirements are usually context dependent.
Lehan Wang, Jingzhou Sun, Yuxuan Sun, Sheng Zhou, Zhisheng Niu   +4 more
doaj   +1 more source

Decentralized Age-of-Information Bandits [PDF]

2021 IEEE Wireless Communications and Networking Conference (WCNC), 2021
Long-form version of paper accepted at IEEE WCNC ...
Prasad, Archiki, Jain, Vishal, Moharir, Sharayu   +2 more
openaire   +2 more sources

Metamodeling and development of information systems

Agricultural Economics (AGRICECON), 2004
Metamodeling is becaming an important part of information systems development. When metamodeling we are working with metamodel which define the syntax and the semantics of models. There are a lot of standards for definition of metamodel e.g. COMMA, GOPRR,
M. Pícka
doaj   +1 more source

Optimizing age of information with correlated sources

Proceedings of the Twenty-Third International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing, 2022
We develop a simple model for the timely monitoring of correlated sources over a wireless network. Using this model, we study how to optimize weighted-sum average Age of Information (AoI) in the presence of correlation. First, we discuss how to find optimal stationary randomized policies and show that they are at-most a factor of two away from optimal ...
Vishrant Tripathi, Eytan Modiano
openaire   +3 more sources