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visible light communications

Flexible glass hybridized colloidal quantum dots for Gb/s visible light communications

Flexible glass hybridized colloidal quantum dots for Gb/s visible light communications

... for light- ing and displays, in part because of their solution processability, narrow emission linewidth and broad absorption ...GaN light-emitting diodes (µLEDs) to form optical sources for visible ...

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Transfer-printed micro-LED and polymer-based transceiver for visible light communications

Transfer-printed micro-LED and polymer-based transceiver for visible light communications

... InGaN-based visible light emitting diodes (LEDs) are widely used in solid-state lighting and display technologies [1, ...in visible light communications (VLC) applications ...of ...

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Scalable visible light communications with a micro-LED array projector and high-speed smartphone camera

Scalable visible light communications with a micro-LED array projector and high-speed smartphone camera

... Visible light communications (VLC) offers complementarity to radio frequency (RF) technology, with licence-free operation, low-cost components, improved security due to localised signals, and the ...

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Simulation of impulse response for indoor visible light communications using 3D CAD models

Simulation of impulse response for indoor visible light communications using 3D CAD models

... In this article, a tool for simulating the channel impulse response for indoor visible light communications using 3D computer-aided design (CAD) models is presented. The simulation tool is based on a ...

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Polymer colour converter with very high modulation bandwidth for visible light communications

Polymer colour converter with very high modulation bandwidth for visible light communications

... particular, visible light communications (VLC) 1,2 offer great promise as a new wireless communications approach, based on the advances in semi- conductor ...modulated light emitting ...

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Gb/s visible light communications with colloidal quantum dot color converters

Gb/s visible light communications with colloidal quantum dot color converters

... LED light and re-emit it at longer ...for visible light communications (VLC), because their array formats en- able spatial multiplexing and, crucially, because blue μ LEDs can be modulated at ...

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Transfer printed micro LED and polymer based transceiver for visible light communications

Transfer printed micro LED and polymer based transceiver for visible light communications

... Abstract: Visible light communications (VLC) is an emerging technology that uses LEDs, such as found in lighting fixtures and displays, to transmit data ...

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LED based wavelength division multiplexed 10 Gb/s visible light communications

LED based wavelength division multiplexed 10 Gb/s visible light communications

... wireless communications is expected to increase exponentially in the coming years, and this requires the development of Gbit/s class communication sys- tems ...wireless communications (OWC) use optical ...

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Polymer colour converter with very high modulation bandwidth for visible light communications

Polymer colour converter with very high modulation bandwidth for visible light communications

... particular, visible light communications (VLC) 1,2 offer great promise as a new wireless communications approach, based on the advances in semi- conductor ...modulated light emitting ...

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Indoor visible light communications: performance evaluation and optimization

Indoor visible light communications: performance evaluation and optimization

... the visible light communications (VLC) has gained substantial attention ...the light-emitting diodes (LEDs) are often employed as the transmitter, while the photodiodes (PDs) are used as the ...

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Hybrid GaN LED with capillary-bonded II–VI MQW color-converting membrane for visible light communications

Hybrid GaN LED with capillary-bonded II–VI MQW color-converting membrane for visible light communications

... of light-emitting diode (LED) technology is driven mainly by the need for efficient solid-state lighting, but it is also creating opportunities for new applications such as visible light ...

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Wide field of view fluorescent antenna for visible light communications beyond the étendue limit

Wide field of view fluorescent antenna for visible light communications beyond the étendue limit

... Visible light communications (VLC) is an important emerging field aiming to use optical communications to supple- ment ...concentrate light, but conservation of étendue in these ...

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Fisheye lens based space division multiplexing system for visible light communications

Fisheye lens based space division multiplexing system for visible light communications

... (SDM) visible light communications (VLCs) utilizing a fisheye-lens-based imaging ...white light-emitting diodes, and discrete multitone signals based on quadrature amplitude modulation and bit ...

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Fluorescent red-emitting BODIPY oligofluorene star-shaped molecules as a color converter material for visible light communications

Fluorescent red-emitting BODIPY oligofluorene star-shaped molecules as a color converter material for visible light communications

... WiFi). Visible light communications (VLC) offers a means to do this, using the unlicensed visible region of the electromagnetic spectrum for wireless communications, where hundreds of ...

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Compressed sensing based channel estimation for ACO OFDM visible light communications in 5G systems

Compressed sensing based channel estimation for ACO OFDM visible light communications in 5G systems

... In this paper, we propose a compressive sensing (CS)-based channel estimation technique for asymmetrically clipped optical-orthogonal frequency division multiplexing (ACO-OFDM) visible light ...

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BODIPY star-shaped molecules as solid state colour converters for visible light communications

BODIPY star-shaped molecules as solid state colour converters for visible light communications

... Solid state colour converters were spin-coated from solution to make thin films on quartz substrates for the photophysical studies. Films of thickness ca. 100 nm were deposited from solutions at concentrations of 10 and ...

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An Enhanced Colour Shift Keying Modulation Scheme for High Speed Wireless Visible Light Communications

An Enhanced Colour Shift Keying Modulation Scheme for High Speed Wireless Visible Light Communications

... average light chromaticity or colour temperature values can also affect the human circadian rhythm and cognitive functions such as alertness, mood, executive function and memory of humans ...average light ...

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Wireless visible light communications employing feed-forward pre-equalization and PAM-4 modulation

Wireless visible light communications employing feed-forward pre-equalization and PAM-4 modulation

... Abstract— In this paper, feed-forward pre-equalization in conjunction with a PAM modulation scheme are proposed for use in wireless visible light communication (VLC) systems in order to enable the ...

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The impact of solar irradiance on visible light communications

The impact of solar irradiance on visible light communications

... Mobile Communications, University of Edinburgh, and the Founder and Chief Scientific Officer of pureLiFi ...wireless communications, hybrid optical wireless and RF communications, spatial modulation, ...

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BODIPY star shaped molecules as solid state colour converters for visible light communications

BODIPY star shaped molecules as solid state colour converters for visible light communications

... excitation light at the detector, a reflectance geometry was adopted in combination with a suitable long-pass dichroic ...excitation light into the ...

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