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http://dx.doi.org/10.5916/jkosme.2012.36.2.309

A Study on the White LED-based Underwater and Surface-to-Underwater Optical Wireless Communication Systems  

Sohn, Kyung-Rak (한국해양대학교 전자통신공학과)
Sohn, Chang-Woo (한국해양대학교 전자통신공학과)
Kim, Sung-Ho (한국해양대학교 전자통신공학과)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.36, no.2, 2012 , pp. 309-314 More about this Journal
Abstract
In this paper, we present surface-to-underwater visible light communication systems using white LEDs. Pulse position modulation (PPM)-based analogue data communications and on-off keying-based digital data communications systems are developed. Inexpensive and commercial power-LEDs and photo-diodes are used to construct two types of systems. We report the experimental results obtained from the prototype systems to show the possibility of an optical underwater visible light transceiver as a basis for short range underwater wireless network. Their performance deteriorates more than the atmosphere's one because of attenuation and scattering of the light in water, but these results are promising for the potential to create more robust network interface that improve medium performance such as a LED modulation and a photo-detector demodulation.
Keywords
White LEDs; Visible light communications; Underwater optical wireless communications; Pulse position modulation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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