Implementation of dimming controlled visible light communication using Raspberry Pi

Visible light communication (VLC) is a technology of wireless optical communication, which combines lighting and communication simultaneously. In indoor VLC system, both data communication and lighting quality plays an important role and must be considered. Thus, to achieve the desired levels of ill...

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Bibliographic Details
Published inOptical and quantum electronics Vol. 53; no. 12
Main Authors Das, Sandip, Jana, Biswajit, Mandal, Soumitra Kumar
Format Journal Article
LanguageEnglish
Published New York Springer US 01.12.2021
Springer Nature B.V
Subjects
Characterization and Evaluation of Materials
Communication
Communications systems
Computer Communication Networks
Data communication
Dimming
Electrical Engineering
Flicker
Hybrid systems
Illumination
Incidence angle
Lasers
Lighting
Optical communication
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Prototypes
Pulse position modulation
Wireless communications
Dimming
Raspberry Pi
Visible light communication
MH-HPPM
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Summary:Visible light communication (VLC) is a technology of wireless optical communication, which combines lighting and communication simultaneously. In indoor VLC system, both data communication and lighting quality plays an important role and must be considered. Thus, to achieve the desired levels of illumination, dimming control in VLC is an efficient technology. In this paper, the authors have designed and implemented a dimming control VLC system employing multi header-hybrid pulse position modulation (MH-HPPM) to achieve dimming functionality. MH-HPPM supports various dimming levels and also doesn’t have flicker problems. In this paper, the authors present the implementation of MH-HPPM based VLC system using Raspberry Pi. The prototype is designed using low-cost commodity hardware. Comprehensive experiments are carried out to evaluate the performance of MH-HPPM based VLC under dimming levels 0.25, 0.5 and 0.75. The results demonstrate that designed prototype supports a communication distance up to 3 m for dimming level 0.25 and 3.5 m for dimming level 0.5 and 0.75. It is also observed that MH-HPPM based VLC system also achieves and maintains better throughput for different incidence angle.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-021-03362-4