Frequency shift on-off keying for optical camera communication

The prevalence of build-in cameras smart phone and LED displays creates a novel opportunity to build camera-based optical wireless communication systems. However, for a practical real-time communication system, there are many consideration issues especially the synchronization of the shutter timing...

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Bibliographic Details
Published in2014 Sixth International Conference on Ubiquitous and Future Networks (ICUFN) pp. 22 - 25
Main Authors Nam-Tuan Le, Trang Nguyen, Yeong Min Jang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2014
Subjects
Camera comunication
Cameras
Frequency shift keying
Light emitting diodes
OCC
Optical camera communication
Optical imaging
Optical transmitters
Synchronization
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Summary:The prevalence of build-in cameras smart phone and LED displays creates a novel opportunity to build camera-based optical wireless communication systems. However, for a practical real-time communication system, there are many consideration issues especially the synchronization of the shutter timing release with the lighting source. In this paper we analyses and propose flickering control scheme for optical camera communication, named frequency shift ON-OFF keying. The proposed scheme based on two efficient synchronization protocols and analysis of shutter speed on subcarrier frequency of modulated bit. The performance of analysis and experience show the proposed scheme will be a promising technique for future trend of visible light communication.
ISSN:2165-8528
DOI:10.1109/ICUFN.2014.6876741