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http://dx.doi.org/10.9717/kmms.2011.14.6.752

Transmission Probability of Car-to-Car Message Delivery Link based on Visible Light Communications  

Kang, Moon-Soo (조선대학교 컴퓨터공학부)
Lee, Chung-Ghiu (조선대학교 전자공학과)
Publication Information
Journal of Korea Multimedia Society / v.14, no.6, 2011 , pp. 752-758 More about this Journal
Abstract
In this paper, we perform a research on a message delivery link based on visible light communication using illumination light-emitting diodes (LEDs) for car-to-car communications and the link transmission success probability is analyzed for the link. The message delivery system is modeled and the signal-to-noise ratio is calculated from the received optical power. Then, the link transmission probability is estimated from the calculated bit error rates (BERs). The message delivery system has optical links from an LED transmitter near the rear lamp of a car ahead to a receiver near the headlamp of a car behind, whose positions are assumed to follow the normal Gaussian distribution. The link transmission success probability is calculated considering the physical characteristics of the optical link. The car positions are generated according to the normal distribution and the bit error rates are calculated for all links. The link transmission success probability is defined. For the unoptimized optical car-to-car message delivery links, it is shown that the link transmission success probability is larger than 0.9 with the transmitted optical power of 400 mW and the semi-angle at half power of 30 degree.
Keywords
Optical Wireless Communication; Visible Light Communication; Optical Communication; Light-Emitting Diodes; Simulation;
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Times Cited By KSCI : 1  (Citation Analysis)
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