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Vol. 218, Issue 12, December 2017, pp. 40-48




Vehicle-to-Vehicle and Infrastructure-to-Vehicle Communication in the Visible Range

1, 2 M. A. Vieira, 1, 2, 3 M. Vieira, 1, 3 P. Vieira, 1, 2 P. Louro

1 ADETC/ISEL/IPL, R. Conselheiro Emídio Navarro, 1959-007 Lisboa, Portugal
2 CTS-UNINOVA Quinta da Torre, Monte da Caparica, 2829-516, Caparica, Portugal
3 DEE-FCT-UNL Quinta da Torre, Monte da Caparica, 2829-516, Caparica, Portugal
4 Instituto das Telecomunic
ações, Instituto Superior Técnico, 1049-001, Lisboa, Portugal
1 Tel.: +351218317000, fax: +351218317114

E-mail: mv@isel.ipl.pt


Received: 10 November 2017 /Accepted: 10 December 2017 /Published: 29 December 2017

Digital Sensors and Sensor Sysstems


Abstract: This paper proposes the use of Visible Light Communication (VLC) for vehicle safety applications, creating a smart vehicle lighting system that combines the functions of illumination and signaling, communications, and positioning. The feasibility of VLC is demonstrated by employing trichromatic Red-Green-Blue (RGB) LEDs as transmitters, since they offer the possibility of Wavelength Division Multiplexing (WDM), which can greatly increase the transmission data rate, when using SiC double p-i-n receivers to encode/decode the information. Each chip, individually, is used to transmit the driving range distance and data information. An on-off code is used to transmit the data. Free space is the transmission medium. The receivers consist of two stacked amorphous a-H:SiC cells. Multiple Input Multiple Output (MIMO) architecture is used. For data transmission, Streetlights and headlights based on commercially available modulated white RGB-LEDs are used. For data receiving and decoding, three a-SiC:H double pin/pin optical processors symmetrically distributed at the vehicle tail are utilized. The process of accurately encoding and decoding positioning and the design of SiC navigation system are discussed and tested. A visible multilateration method estimates the drive distance range. Infrastructure-to-Vehicle (I2V) and Vehicle- to-Vehicle (V2V) Communication are simulated.


Keywords: a-SiC:H technology, LED, Visible Light Communication, Intelligent Transportation System, Optical sensor, WDM, Vehicular Communication.


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