Results 41 to 50 of about 566,417 (282)
Asymmetrically Reconstructed Optical OFDM for Visible Light Communications
IEEE Photonics Journal, 2016 In conventional optical orthogonal frequency-division multiplexing (OOFDM) systems, such as pulse-amplitude-modulated discrete multitone (PAM-DMT) and asymmetrically clipped optical OFDM (ACO-OFDM), half of the time-domain transmitted signals carry ...
Jindan Xu, Wei Xu, Hua Zhang, Xiaohu You
doaj +1 more source
A Software-Defined Multi-Element VLC Architecture
, 2017 In the modern era of radio frequency (RF) spectrum crunch, visible light communication (VLC) is a recent and promising alternative technology that operates at the visible light spectrum.
Eroglu, Yusuf Said +5 more
core +1 more source
Energy efficient visible light communications relying on amorphous cells [PDF]
, 2016 In this paper, we design an energy efficient indoor Visible Light Communications (VLC) system from a radically new perspective based on an amorphous user-to-network association structure. Explicitly, this intriguing problem is approached from three inter-
Claussen, Holger +3 more
core +1 more source
Advanced Functional Materials, EarlyView.Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana +2 more
wiley +1 more source
Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications
Advanced Functional Materials, EarlyView.Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai +8 more
wiley +1 more source
Channel Modeling and Characterization for Visible Light Communications
IEEE Photonics Journal, 2015 In this paper, we present a comprehensive channel modeling and characterization study for visible light communications. Our study is based on ray tracing, which allows for an accurate description of the interaction of rays emitted from the lighting ...
Farshad Miramirkhani, Murat Uysal
doaj +1 more source
Non-Orthogonal Multiple Access for Visible Light Communications
, 2015 The main limitation of visible light communication (VLC) is the narrow modulation bandwidth, which reduces the achievable data rates. In this paper, we apply the non-orthogonal multiple access (NOMA) scheme to enhance the achievable throughput in high ...
Kapinas, Vasileios M. +3 more
core +1 more source
'Visibility brings with it responsibility': Using a pragmatic performance approach to explore a political philosophy of technology [PDF]
, 2017 With the emergence, suspicion and social acceptance of ubiquitous communications technology thoroughly plumbed and the digital age already wondering what it is going to rename itself in light of ever more fluid and complex technologies, this paper asks ...
D'Arcy, Geraint
core +4 more sources
Synchrotron Radiation for Quantum Technology
Advanced Functional Materials, EarlyView.Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader +10 more
wiley +1 more source
Faster-Than-Nyquist Non-Orthogonal Frequency-Division Multiplexing for Visible Light Communications
IEEE Access, 2018 In this paper, we propose a faster-than-Nyquist non-orthogonal frequency-division multiplexing (NOFDM) scheme for visible light communications (VLCs) where the multiplexing/demultiplexing employs the inverse fractional cosine transform (IFrCT)/FrCT ...
Ji Zhou +8 more
doaj +1 more source