Results 61 to 70 of about 2,854,502 (329)
Indoor Positioning for Multiphotodiode Device Using Visible-Light Communications
IEEE Photonics Journal, 2016 With the widespread use of light-emitting diodes (LEDs) for lighting, their ability to support communications through visible light has become promising for various wireless applications.
Wei Xu +4 more
doaj +1 more source
Advanced Functional Materials, EarlyView.An innovative combination of size‐controlled template synthesis, partial cation exchange reactions, and dual shell passivation offers a new class of RoHS‐compliant, heavy metal‐free Cu‐Zn‐In‐Se/ZnS/Al2O3 core/shell/shell quantum dots (QDs), exhibiting long‐range tunability, highly efficient SWIR emission with remarkably narrow photoluminescence ...
Avijit Saha +8 more
wiley +1 more source
Joint Control of Radiated and Surface Waves via Space‐Time Coding Metasurfaces
Advanced Functional Materials, EarlyView.A unified space‐time coding metasurface platform enables simultaneous control of radiated and surface‐confined waves across multiple harmonics. Demonstrated functionalities include multi‐frequency beam shaping; surface‐wave excitation, and hybrid multiplexing.
Zihao Dai +6 more
wiley +1 more source
Global Health Action, 2017 Background: This paper explores the multilevel factors associated with maternal health utilization in India’s most populous state, Uttar Pradesh. 3 key utilization practices: registration of pregnancy, receipt of antenatal care, and delivery at home are ...
Sanjeev Sridharan +6 more
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Entropy, 2020 As the core technology of 5G mobile communication systems, massive multi-input multi-output (MIMO) can dramatically enhance the energy efficiency (EE), as well as the spectral efficiency (SE), which meets the requirements of new applications.
Bin Jiang +5 more
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Transforming scholarly communications: The part played by the pandemic and the contribution of early career researchers [PDF]
, 2023 David Nicholas +13 more
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Toward End-to-End, Full-Stack 6G Terahertz Networks
, 2020 Recent evolutions in semiconductors have brought the terahertz band in the spotlight as an enabler for terabit-per-second communications in 6G networks.
Jornet, Josep +3 more
core +1 more source
Spectrally Tunable 2D Material‐Based Infrared Photodetectors for Intelligent Optoelectronics
Advanced Functional Materials, EarlyView.Intelligent optoelectronics through spectral engineering of 2D material‐based infrared photodetectors. Abstract The evolution of intelligent optoelectronic systems is driven by artificial intelligence (AI). However, their practical realization hinges on the ability to dynamically capture and process optical signals across a broad infrared (IR) spectrum.
Junheon Ha +18 more
wiley +1 more source
Energy Optimization Algorithms for MIMO-OFDM Based Downlink C-RAN System
IEEE Access, 2019 In this paper, we consider a green communication design in a multiple-input-multiple-output orthogonal frequency-division multiplexing-based downlink cloud radio access network system with per-user quality of service constraints and remote antenna units (
Ruohong Guo +4 more
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Visualization of Modern Political Space: Research Priorities
Проблемы постсоветского пространства, 2020 In modern humanitarian studies and research in a number of social sciences, interpretation of visual data is often used. However, in some cases, it is able to make a negative adjustment in the methodology and research methods, which is a consequence of ...
M. G. Goguadze
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