Research Paper On Visible Light Communication

Research Paper On Visible Light Communication-86
LED (Light Emitting Diode) VLC technology LED (Light Emitting Diode) Visible Light Communications (VLC) systems are recognised as creating a possible valuable addition to future generations of technology, which have the potential to utilise light for the purposes of advanced technological communication at ultra high speed surpassing that of current wireless systems.One of the goals of researchers is to allow 100 megabits of data transference per second (Mbps) in offices and homes by modulation of light from upgraded lighting systems.

LED (Light Emitting Diode) VLC technology LED (Light Emitting Diode) Visible Light Communications (VLC) systems are recognised as creating a possible valuable addition to future generations of technology, which have the potential to utilise light for the purposes of advanced technological communication at ultra high speed surpassing that of current wireless systems.One of the goals of researchers is to allow 100 megabits of data transference per second (Mbps) in offices and homes by modulation of light from upgraded lighting systems.It has been noted that for RONJA conditions of dense fog or snow can detrimentally effect external transmissions.

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If it is developed correctly, the possibility exists that many of the problems associated with present day infrared, radiowave and microwave communications systems () could be at least partially resolved, and a more biologically friendly system made available to industries and the general public.

A further advantage is that VLC systems can transmit data more securely over short distances than radiofrequency/microwave communications devices whose signals can be easily detected outside the rooms and buildings they originate in.

To date the Infrared Data Association (Ir DA) has standardised over 30 specifications that are widely implemented for cordless phones, printers, televisions and other devices.

Its 2008 market-report indicated a prolific increase of Ir DA infrared enabled devices, of which over 1 billion units have been shipped to date, and that demand for such units was likely to increase greatly, particularly with the development of Ir Simple version 1.0 and technological advances used for Giga-IR.

They are generally being replaced with energy-efficient alternatives, such as fluorescent lights, compact fluorescents and LEDs.

Though the core logic behind such a policy would appear sound to most individuals, this drive has met with resistance in certain quarters due to perceived doubts about the ecological suitability of some of the proposed alternatives, particularly fluorescent and compact fluorescent lamp units - .

Whilst visible light from LED systems and infrared emissions share similar frequency ranges, it is acknowledged that there are potential visual safety problems with using infrared for high rates of data transmission due to both the large energy emissions it would create and its invisibility, making suitably developed LED light data transmission a safer option for human eyes.

Radiofrequency/Microwave Communications At present the multiple use in buildings of the three independent WLAN frequency bands can often compromise information networks.

Animal-tests too have additionally revealed the need for care when specifying lighting regimes, and the benefits of optimising spectral emission profiles for specific purposes.

It appears possible to develop VLC systems with optimised spectral and frequency emission profiles in order to negate such problems and create more biologically friendly artificial-light than is presently available.

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  • International Journal of Computer Trends and Technology IJCTT.
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    LEDs is helping to drive this technology in the form of Visible Light Communication VLC. In this paper, a visible light communications system is proposed that employs wavelength division multiplexing, to transmit multiple data streams from different data sources simultaneously and…

  • PDF Visible Light Communications VLC Technology
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    This article reviews the visible light communications VLC, a technology in which the visible spectrum is modulated to transmit data. It presents the VLC communication system the transmitter.…

  • Design and Implementation of Visible Light Communication. -
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    Abstract— Visible light communication is a short range optical wireless communication technology thatis used for the illumination and data communication simultaneously. It is one of the most promising technologies for the indoor wireless communication as it opens the broad spectrum for applications.…

  • Bio Electromagnetic Research Initiative - LiFi - Visible Light.
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    The Visible Light Communications Consortium VLCC is established between major Japanese companies to develop, plan, research and standardise Japan’s own visible light communication systems. Its brief is to develop, test, investigate, plan and standardise ubiquitous high-speed biologically-friendly VLC LED systems.…

  • AN OVERVIEW OF VISIBLE LIGHT COMMUNICATION SYSTEMS - arXiv
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    In recent years, one of the ideas put forward for wireless optical communication is the visible light communication method. The signals in the 380-780 nm wavelength interval of the electromagnetic spectrum are the light signals that can be detected by the human eye. It is…

  • Visible Light Communication - Term Paper
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    In this paper we present a new indoor FSO system, also known as a visible light communication VLC system that addresses achieving satisfactory data rates through diffuse link while supporting mobility under line of sight LOS constraints.…

  • Visible Light Communication Research Papers - Academia.edu
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    This paper expounds the background of the development of visible light communication technology which uses light emitting diodes as a transmitting module and the development status at home and abroad analysis its system advantages, limitations, key technologies, characteristics and existing problems, looks forward to future research trends, and.…

  • Visible light communication Applications, architecture.
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    Visible Light Communication VLC systems employ visible light for communication that occupy the spectrum from 380 nm to 750 nm corresponding to a frequency spectrum of 430 THz to 790 THz as shown in Fig. 2.…

  • Visible Light Communication using MATLAB - academia.edu
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    This technology is envisioned to be used in a wide range of 2. LITRATURE REVIEW application both indoor as well as outdoor. In this paper, mobile camera phone used as a visible light communication Visible light communication is becoming an attractive choice receiver.…

  • Visible Light Communication Request PDF - Share and discover research
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    Visible light communication VLC is an evolving communication technology for short-range applications. Exploiting recent advances in the development of high-power visible-light emitting LEDs, VLC.…

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