Prototype Implementation of VLC Upstream Transmission Using Focused IR-LED 


Vol. 37,  No. 9, pp. 784-790, Sep.  2012


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  Abstract

In this paper, we propose a upstream transmission method to extend coverage in visible light communication (VLC) systems. We extend transmission distance by using focused infrared(IR) light emitting diodes(LEDs). Since the focused light covers just limited area, it might have a difficulty in transmitting data if the transmitter and receiver are not properly aligned. To solve this problem, we arrange multiple IR-LEDs in different direction and select a single best performing IR-LED among multiple IR-LEDs. Also, the transmission performance is periodically checked and another IR-LED is reselected to support the required quality of service (QoS) and to minimize battery consumption required by a mobile terminal.

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  Cite this article

[IEEE Style]

Y. Jang, K. Choi, M. Ju, Y. Park, "Prototype Implementation of VLC Upstream Transmission Using Focused IR-LED," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 9, pp. 784-790, 2012. DOI: .

[ACM Style]

Yunseon Jang, Kyungmook Choi, MinChul Ju, and Youngil Park. 2012. Prototype Implementation of VLC Upstream Transmission Using Focused IR-LED. The Journal of Korean Institute of Communications and Information Sciences, 37, 9, (2012), 784-790. DOI: .

[KICS Style]

Yunseon Jang, Kyungmook Choi, MinChul Ju, Youngil Park, "Prototype Implementation of VLC Upstream Transmission Using Focused IR-LED," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 9, pp. 784-790, 9. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880