scholarly journals Bi-Directional Data Communication using Visible Light Technology for Underwater Environment

2021 ◽  
Vol 9 (1) ◽  
pp. 217
Author(s):  
LITA LIDYAWATI ◽  
ARSYAD RAMADHAN DARLIS ◽  
LUCIA JAMBOLA ◽  
ADITYA ARIF PRIBADI
Keyword(s):  
Visible Light ◽  
Data Communication ◽  
Directional Data ◽  
Underwater Environment

scholarly journals Bidirectional Underwater Visible Light Communication

2018 ◽  
Vol 8 (6) ◽  
pp. 5203
Author(s):  
Arsyad Ramadhan Darlis ◽  
Andre Widura ◽  
Muhamad Rifan Andrian
Keyword(s):  
Visible Light ◽  
Visible Light Communication ◽  
Experimental Result ◽  
Color Filter ◽  
Optical Channel ◽  
Water Tank ◽  
Underwater Environment ◽  
Information Signal ◽  
Blue Wavelength ◽  
The One

In this paper, a novel bidirectional underwater visible light communication (BiUVLC) is proposed. The VLC transmitter transmits an information signal using the one of RGB LED through the water tank that represents an underwater environment and then is received by VLC receiver via a color filter. The color LEDs and color filters are utilized in bidirectional systems. The single link is created by a LED on the transmitter and the color filter on the receiver with the same color which represents a single wavelength. The performance of the proposed BiUVLC system was evaluated via implementations. The experimental result shows that the transmitted signal undergoes attenuation over the underwater optical channel and the pair of the blue wavelength in link 1 and the green wavelength in link 2 have the best performance than the other wavelength pair. In the crosstalk measurement, the red wavelength color is the worst in the underwater environment.

scholarly journals An Efficient Intelligent System for Data Communication Using LIFI Technology

2014 ◽  
Vol 13 (10) ◽  
pp. 5044-5050
Author(s):  
Dr. Naveen Rathee ◽  
Shreyaa Nagpal ◽  
Abhinav Malik ◽  
Charvi Khandelwal
Keyword(s):  
Visible Light ◽  
Intelligent System ◽  
Data Communication ◽  
Visible Light Communication ◽  
Radio Spectrum ◽  
Wireless Technology ◽  
Simple Experiment ◽  
Led Light ◽  
Human Eye ◽  
The World

The congestion of radio spectrum has led to the development of new wireless technology, Light Fidelity also referred as LIFI, which has a much broader spectrum. LIFI is a technology based on visible light communication (VLC) that makes use of LEDs as a source for data communication. The intensity of LED varies faster than a human eye can follow and helps to transmit the data. Our research deals with the usage of this technology for the future good of the world. A simple experiment to show the transmission of alphanumeric data using visible light communication is carried out. A Led light is the only source to transmit the data from the transmitter end to the receiver’s. A keyboard is being employed as an input for the alphanumeric data and an LCD to display the inputted characters.

scholarly journals Performance evaluation of optical attocells configuration in an indoor visible light communication

2019 ◽  
Vol 14 (2) ◽  
pp. 668 ◽  
Author(s):  
M.S. M. Gismalla ◽  
M.F. L. Abdullah
Keyword(s):  
Visible Light ◽  
Power Distribution ◽  
Signal To Noise Ratio ◽  
Low Cost ◽  
Data Communication ◽  
Visible Light Communication ◽  
Base Stations ◽  
Configuration Model ◽  
Received Power ◽  
Small Base

Visible light communication VLC is deemed as futuristic technology applied for both illumination and data communication due to the low-cost energy consumption, long life expectancy, huge bandwidth, and high security compared to radio frequency RF. Uncovered area, minimum signal-to-noise ratio (SNR) and received power results from the non-uniform distribution of small base stations (i.e. Optical attocells) in the room. In this paper, the researchers propose a new LEDs distribution of five optical attocells configuration model in order to optimize the received power distribution and SNR at the center of the room for indoor VLC system. The optical attocells configuration in terms of received power to fill the uncovered area at the center of the room has been investigated. The simulation results showed that the proposed attocells configuration saved 24.9% of the transmitted power. Besides that, the whole room was covered uniformly.  As a result, the received power and SNR are improved.

Visible Light Communication Numerous Applications

2019 ◽  
pp. 425-437
Author(s):  
Ala' Fathi Khalifeh ◽  
Hasan Farahneh ◽  
Christopher Mekhiel ◽  
Xavier Fernando
Keyword(s):  
Visible Light ◽  
New Technology ◽  
Data Communication ◽  
Visible Light Communication ◽  
Traffic Signals ◽  
Radio Spectrum ◽  
Research Topic ◽  
Light Spectrum ◽  
Light Emitting ◽  
Radio Signals

Visible light communication (VLC) is a promising research topic that aims at utilizing the visible light spectrum for data communication, which in turn off-loads the heavily utilized wireless radio spectrum. VLC can take advantage of the increased use of light emitting diodes (LED) for lighting purposes in different fields, such as automotive headlights, traffic signals, advertising, aviation, and general lighting. Utilizing solid-state LEDs for lighting purposes not only saves energy but also can be used for data communication since LEDs can be easily modulated by switching the light on and off in frequencies above the human eye perception. This data can be transmitted in addition to the main lighting functionality of these devices. VLC is relatively easy to implement and safe, as it does not have potential side effects like the radio signals. As such, this new technology has a great potential for adoption in several applications. This chapter will briefly introduce the technology and discuss some potential indoors and outdoors applications.

228-Spatial-Channel Bi-Directional Data Communication System Enabled by 39-Core 3-Mode Fiber

2019 ◽  
Vol 37 (8) ◽  
pp. 1756-1763 ◽  
Author(s):  
Jun Sakaguchi ◽  
Werner Klaus ◽  
Yoshinari Awaji ◽  
Naoya Wada ◽  
Tetsuya Hayashi ◽  
...  
Keyword(s):  
Communication System ◽  
Data Communication ◽  
Directional Data

scholarly journals Topology Control and Opportunistic Routing for Underwater Acoustic Sensor Networks

2018 ◽  
Author(s):  
Rodolfo Coutinho ◽  
Azzedine Boukerche ◽  
Luiz Vieira ◽  
Antonio Loureiro
Keyword(s):  
Sensor Networks ◽  
Large Scale ◽  
Data Communication ◽  
Small Scale ◽  
Underwater Acoustic Sensor Networks ◽  
Underwater Environment ◽  
Acoustic Sensor Networks ◽  
Monitoring Applications ◽  
Ocean Monitoring ◽  
Communication Challenge

Underwater wireless sensor networks (UWSNs) are emerging to enable large-scale ocean monitoring with the goal of reducing the human knowledge gap of underwater environments and the life underneath them. However, several challenges still limit the deployments of UWSNs to small-scale and confined underwater monitoring applications. The goals of this thesis are to investigate and develop cutting-edge models, algorithms and protocols in order to tackle the fundamental data communication challenge in the underwater environment and advance the state-of-the-art towards feasible large-scale deployment of UWSN applications.

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