Link Recovery Scheme Using Cooperative Communication for VLC System 


Vol. 37,  No. 5, pp. 357-364, May  2012


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  Abstract

In Visible Light Communication (VLC) system, with the limitation of transmission range and Field Of View (FOV), LOS (Line of Sight) link between two transceivers should be guaranteed due to the straightness of the visible-light signal. Especially for indoor applications, link recovery is an advantage method to remain the link connection because of the link failure in which caused by movement obstacle. Link recovery schemes try to keep link dynamically without re-initialing connection. This article proposes a new link recover scheme for VLC system by using cooperative communication. Our propose scheme focuses on the QoS reservation resource by GTS in IEEE 802.15.7 specification in which the requested QoS resource from client should be guarantee during the application time. With the link recovery scheme, we will try to continue the link connection as long as possible when unexpected disconnect link. The mathematical analysis and simulation results show that proposed scheme increases the overall reliability of the VLC system.

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  Cite this article

[IEEE Style]

N. Le, S. Choi, Y. M. Jang, "Link Recovery Scheme Using Cooperative Communication for VLC System," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 5, pp. 357-364, 2012. DOI: .

[ACM Style]

Nam-Tuan Le, Sunwoong Choi, and Yeong Min Jang. 2012. Link Recovery Scheme Using Cooperative Communication for VLC System. The Journal of Korean Institute of Communications and Information Sciences, 37, 5, (2012), 357-364. DOI: .

[KICS Style]

Nam-Tuan Le, Sunwoong Choi, Yeong Min Jang, "Link Recovery Scheme Using Cooperative Communication for VLC System," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 5, pp. 357-364, 5. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880