Results 81 to 90 of about 104,021 (275)

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

open access: yesAdvanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong   +12 more
wiley   +1 more source

Echo scattering characteristics: Vortex beams reflected by rough surface in ocean turbulence

open access: yesResults in Physics
Optical field echo scattering characteristic is one of the essential technologies for the future integration of underwater laser communication and detection. Vortex beam (e.g.
PengFei Wu   +4 more
doaj   +1 more source

Interference Hypergraph-Based 3D Matching Resource Allocation Protocol for NOMA-V2X Networks

open access: yesIEEE Access, 2019
Vehicle-to-everything (V2X) communications are regarded as the key technology in future vehicular networks due to its ability in providing efficient and reliable massive connections, improving traffic efficiency and safety, and supporting in-vehicle ...
Baoji Wang   +5 more
doaj   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

PAM-SCFDE for Optical Wireless Communications

open access: yesJournal of Lightwave Technology, 2015
Multipath dispersion is a serious challenge in visible light communication (VLC) systems as these systems are used for indoor applications where there can be many reflections of the transmitted signal from the ceiling, walls, equipment, etc. These reflected signals cause intersymbol interference in the receiver and can degrade the performance of the ...
Asanka Nuwanpriya   +4 more
openaire   +3 more sources

Light‐Induced Entropy for Secure Vision

open access: yesAdvanced Materials, EarlyView.
This work realized a ternary true random number generator by exploiting stochastic traps emerging within multiple junction interfaces, and quantitatively validated the generation of high‐quality random numbers. Furthermore, it successfully demonstrated diverse applications, including AI‐resilient image security, thereby providing a valuable guide for ...
Juhyung Seo   +9 more
wiley   +1 more source

OPTICAL WIRELESS COMMUNICATION SYSTEM [PDF]

open access: yesJournal of Engineering Science and Technology, 2016
The growing demand of bandwidth in this modern internet age has been testing the existing telecommunication infrastructures around the world. With broadband speeds moving towards the region of Gbps and Tbps, many researches have begun on the development ...
JOSHUA L.Y. CHIENG, IRDA HASSAN
doaj  

Performance Analysis and Improvement for Secure VLC With SLIPT and Random Terminals

open access: yesIEEE Access, 2020
This paper investigates the physical-layer data secure transmission for indoor visible light communications (VLC) with simultaneous lightwave information and power transfer (SLIPT) and random terminals.
Jin-Yuan Wang   +5 more
doaj   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

open access: yesAdvanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi   +12 more
wiley   +1 more source

Potential impacts for monitoring sustainability: case study of hollow fiber membrane [PDF]

open access: yes, 2017
Sustainability level is a new indicator of quality and efficiency for product life cycle. Sustainability should be balanced among Triple Bottom Line (TBL) aspects namely environmental, economic and social elements.
Hemdi, Abdul Rahman   +3 more
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