Results 21 to 30 of about 110,006 (297)

Cell-centric and user-centric multi-user scheduling in visible light communication aided networks [PDF]

open access: yes, 2015
Visible Light Communication (VLC) combined withadvanced illumination has been expected to become an integralpart of next generation heterogeneous networks at the time ofwriting, by inspiring further research interests.
Jiaheng Wang   +7 more
core   +1 more source

Simultaneous transmission of audio and video signals using visible light communications [PDF]

open access: yes, 2013
A visible light communication system for parallel transmission of high-quality audio and video signals using illumination white and red light-emitting diodes (LEDs) is presented in this paper. For video transmission, we adopts the pulse width modulation (
Son, Do   +13 more
core   +1 more source

Application of Underwater Visible Light Communication in Underwater Warfare System

open access: yes水下无人系统学报, 2022
Underwater visible light communication is a technology that can realize two-way high-speed underwater communication in underwater warfare information systems, suitable for the protection of unmanned undersea vehicle(UUV) reconnaissance information, UUV ...
Bin-bin LÜ, Ming-lai LIN, Xin WAN
doaj   +1 more source

Fasys: Visible-Light-Based Communication and Positioning Services towards Smart Cities

open access: yesSensors, 2023
Visible-light-based transmission application plays an important role in various types of sensor services for the Internet of Things (IoTs). However, in big data scenarios, current visible-light-based systems cannot achieve concurrent high-speed ...
Baozhu Yu   +4 more
doaj   +1 more source

An Overview of Visible Light Communication Systems

open access: yesInternational journal of Computer Networks & Communications, 2015
Visible Light Communication (VLC) has gained great interest in the last decade due to the rapid developments in Light Emitting Diodes (LEDs) fabrication. Efficiency, durability and long life span of LEDs make them a promising residential lighting equipment as well as an alternative cheap and fast data transfer equipment.
Taner Çevik, Serdar Yilmaz
openaire   +2 more sources

DMT modulation for VLC [PDF]

open access: yes, 2022
S.133-180Introduction Optical free space communication using visible radiation, i.e. light, has been known for a very long time. Some early examples are signaling using fire, the Heliograph using sunlight, which is directed to the receiver by means of a ...
Langer, K.-D.
core   +1 more source

Visible light communications: Challenges and possibilities

open access: yes2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, 2008
Solid-state lighting is a rapidly developing field. White-light and other visible LEDs are becoming more efficient, have high reliability and can be incorporated into many lighting applications. Recent examples include car head-lights based on white LEDs, and LED illumination as an architectural feature.
O'Brien, D   +6 more
openaire   +2 more sources

Zero power light labeling based on visible light communication

open access: yesDianxin kexue, 2023
In order to achieve zero energy consumption of visible light labels, MATLAB and MULTISIM were used to simulate the impedance matching of the receiver, matching the input impedance of the first-order equalization circuit with the internal resistance of ...
Tianyang MA, Xiongbin CHEN, Yiwu XU
doaj   +2 more sources

An Indoor Visible Light Positioning System for Multi-Cell Networks

open access: yesPhotonics, 2022
Indoor positioning systems based on visible light communication (VLC) using white light-emitting diodes (WLEDs) have been widely studied in the literature. In this paper, we present an indoor visible-light positioning (VLP) system based on red–green–blue
Roger Alexander Martínez-Ciro   +3 more
doaj   +1 more source

Smart receiver for visible light communications: Design and Analysis [PDF]

open access: yes, 2012
This paper presents the concept, design and analysis for a visible light communications receiver to guard against blocking and enhance mobility. Different geometrical shapes have been investigated, with two being chosen and analyzed in MATLAB for the ...
Haigh, P. A.   +14 more
core   +1 more source

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