Scheduling Algorithm for Visible Light Communications Using Multiple LEDs Based on TDMA-Superframe Structure 


Vol. 43,  No. 9, pp. 1493-1500, Sep.  2018
10.7840/kics.2018.43.9.1493


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  Abstract

Visible Light Communication(VLC) is a way to transfer data through visible lights what human eyes can detect and is going to be a candidate of Wireless Communications in next generation as VLC is free from radio frequency interference. As VLC is suffering from low throughput on resource allocation problems in downlink system. To solve the problem, we described a scheduling algorithm based on Time Division Multiplexing Access(TDMA)-Superframe structure. The proposed algorithm makes multiple transmission possible at same time according to the locations of LEDs and nodes with avoiding cell interference among LEDs and uses Deadline Monotonic Scheduling(DMS) for nodes paired with a LED. We simulated the algorithm that each LEDs can transfer data to paired nodes at same time and avoid interference. And we confirm that the algorithm can improve performance of the algorithm according to the simulation results.

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  Cite this article

[IEEE Style]

W. J. Ryu, G. B. Satrya, S. Y. Shin, "Scheduling Algorithm for Visible Light Communications Using Multiple LEDs Based on TDMA-Superframe Structure," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 9, pp. 1493-1500, 2018. DOI: 10.7840/kics.2018.43.9.1493.

[ACM Style]

Won Jae Ryu, Gandeva Bayu Satrya, and Soo Young Shin. 2018. Scheduling Algorithm for Visible Light Communications Using Multiple LEDs Based on TDMA-Superframe Structure. The Journal of Korean Institute of Communications and Information Sciences, 43, 9, (2018), 1493-1500. DOI: 10.7840/kics.2018.43.9.1493.

[KICS Style]

Won Jae Ryu, Gandeva Bayu Satrya, Soo Young Shin, "Scheduling Algorithm for Visible Light Communications Using Multiple LEDs Based on TDMA-Superframe Structure," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 9, pp. 1493-1500, 9. 2018. (https://doi.org/10.7840/kics.2018.43.9.1493)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880