Results 11 to 20 of about 41,134 (250)

Indoor Intruder Tracking Using Visible Light Communications [PDF]

open access: yesSensors, 2019
This paper proposes a comprehensive study of indoor intruder tracking using visible light communication (VLC). A realistic indoor VLC channel was developed, taking into consideration reflections, shadowing, and ambient noise.
Farah M. Alsalami   +5 more
doaj   +2 more sources

Intelligent Reflecting Surfaces for Underwater Visible Light Communications

open access: yesIEEE Photonics Journal, 2023
Intelligent reflecting surfaces (IRSs) offer paradigm shift towards enhancing the capabilities of wireless communications. The use of this emerging technology in the realm of underwater wireless systems is a promising solution to overcome the limitations
Yalcin Ata   +4 more
doaj   +1 more source

Multiuser MIMO-OFDM for Visible Light Communications

open access: yesIEEE Photonics Journal, 2015
Visible light communication (VLC) is emerging as a promising technique to provide ubiquitous wireless connection. In this paper, a multiuser VLC system utilizing multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) is ...
Qi Wang, Zhaocheng Wang, Linglong Dai
doaj   +1 more source

Visible Light Communication

open access: yesOntare, 2022
This work presents a general and introductory review of visible light communication. Visible light communication or VLC refers to wireless communications using a spectral range from 380 to 780 nm for the transmission of information. This part of the optical-electromagnetic range presents some advantages to current wireless radio frequency technologies,
Gutiérrez, Juan Felipe   +1 more
openaire   +4 more sources

Ultrafast Microfiber Humidity Sensor Based on Three Dimensional Molybdenum Disulfide Network Cladding

open access: yesFrontiers in Physics, 2022
We demonstrate an ultrafast humidity micro-fiber sensor based on molybdenum disulfide (MoS2) cladding with three dimensional network structure. The high surface-to-volume rations and porous mesh structure improve the interaction of between MoS2 and water
Pan Guo   +12 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

Experimental Comparison of PAM, CAP, and DMT Modulations in Phosphorescent White LED Transmission Link

open access: yesIEEE Photonics Journal, 2015
In the paper, an experimental comparison of pulse amplitude, carrierless amplitude-phase, and discrete multitone modulations is carried in a visible light communications link employing white phosphorescent light-emitting diode (LED) as a transmitter.
G. Stepniak, L. Maksymiuk, J. Siuzdak
doaj   +1 more source

A Comparison of VLC Receivers That Incorporate Two Different SiPMs

open access: yesIEEE Photonics Journal, 2023
Previously, when selecting silicon photomultipliers (SiPMs) for use in visible light communications (VLC) systems the bandwidth of the SiPM has been a high priority.
Zubair Ahmed   +3 more
doaj   +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

Optical Adaptive Precoding for Visible Light Communications

open access: yesIEEE Access, 2018
Multiple-input-multiple-output (MIMO) techniques have recently demonstrated significant potentials in visible light communications (VLC), as they can overcome the modulation bandwidth limitation and provide substantial improvement in terms of spectral ...
Hanaa Marshoud   +4 more
doaj   +1 more source

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