Results 81 to 90 of about 7,361,986 (367)

Boosting the Energy Density of “Anode‐Free” Lithium Metal Batteries via Electrospun Polymeric Scaffolds

open access: yesAdvanced Functional Materials, EarlyView.
While host structures are known to enhance the reversibility and safety of lithium metal deposition, their additional volume and weight often decrease the battery's energy density and specific energy. By combining a lightweight and porous scaffold of electrospun polymer with a thinner separator, this article demonstrates a simultaneous improvement of ...
Lennart Wichmann   +6 more
wiley   +1 more source

A Tutorial on UAVs for Wireless Networks: Applications, Challenges, and Open Problems [PDF]

open access: yesIEEE Communications Surveys and Tutorials, 2018
The use of flying platforms such as unmanned aerial vehicles (UAVs), popularly known as drones, is rapidly growing. In particular, with their inherent attributes such as mobility, flexibility, and adaptive altitude, UAVs admit several key potential ...
Mohammad Mozaffari   +4 more
semanticscholar   +1 more source

Resource Allocation for Vertical Sectorization in LTE-Advanced Systems

open access: yesInternational Journal of Antennas and Propagation, 2013
Massive multiple input multiple output (MIMO) technology has been discussed widely in the past few years. Three-dimensional MIMO (3D MIMO) can be seen as a promising technique to realize massive MIMO to enhance the performance of LTE-Advanced systems ...
Lei Song, Mugen Peng, Yan Li
doaj   +1 more source

A New Inter-Domain Information Sharing Smart System Based on ABSES in SDN

open access: yesIEEE Access, 2018
With the continuous innovation and development of agent technology, the application of smart technique is gradually changing to intelligent and human-centered technology.
Jingjing Xu   +3 more
doaj   +1 more source

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

An overview of link-level measurement techniques for wide-area wireless networks [PDF]

open access: yes, 2008
By building wireless link-level measurement tools we hope to improvement the design, deployment and management of wide-area wireless community networks.
Pearson, Murray W., Raynel, Scott
core   +1 more source

Toward the 3rd Generation of Smart Farming: Materials, Devices, and Systems for E‐Plant Technologies

open access: yesAdvanced Functional Materials, EarlyView.
This review explores the latest developments in e‐plant technologies, which are revolutionizing smart farming by enabling real‐time monitoring of plant and environmental conditions. It covers the design, applications, and systems of e‐plant devices, detailing how they integrate data analytics to optimize agricultural practices, enhance crop yields, and
Daegun Kim   +5 more
wiley   +1 more source

Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shifts

open access: yesScience China Information Sciences, 2020
The fifth generation (5G) wireless communication networks are being deployed worldwide from 2020 and more capabilities are in the process of being standardized, such as mass connectivity, ultra-reliability, and guaranteed low latency.
X. You   +49 more
semanticscholar   +1 more source

Trading off Network Density with Frequency Spectrum for Resource Optimization in 5G Ultra-Dense Networks

open access: yesTechnologies, 2018
To effectively increase the capacity in 5G wireless networks requires more spectrum and denser network deployments. However, due to the increasing network density, the coordination of network and spectrum management becomes a challenging task both within
Georgios P. Koudouridis, Pablo Soldati
doaj   +1 more source

Efficient Resource Management Mechanism for 802.16 Wireless Networks Based on Weighted Fair Queuing [PDF]

open access: yes, 2008
Wireless Networking continues on its path of being one of the most commonly used means of communication. The evolution of this technology has taken place through the design of various protocols.
Rangula, Kiran
core   +1 more source

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