Performance Compensation for Dimming of VPPM-Based Visible Light Communications 


Vol. 42,  No. 11, pp. 2155-2159, Nov.  2017
10.7840/kics.2017.42.11.2155


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  Abstract

The VPPM modulation scheme, which is developed for LED data transmission while dimming, has a problem that its performance is degraded when the brightness deviates from 50%. Therefore, the possible transmission distance varies with dimming. In this paper, a variable data rate on dimming is proposed to minimize the performance variation. In addition, Hamming coding is applied to reduce the performance degradation. At the receiver side, the dimming level of input signal is measured in real time, and the corresponding correlation mask is generated to cope with the varying brightness and transmission rate.

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  Cite this article

[IEEE Style]

J. Kim, I. Park, D. T. Nguyen, Y. Park, "Performance Compensation for Dimming of VPPM-Based Visible Light Communications," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 11, pp. 2155-2159, 2017. DOI: 10.7840/kics.2017.42.11.2155.

[ACM Style]

Jeongsu Kim, Ingyu Park, Duy Thong Nguyen, and Youngil Park. 2017. Performance Compensation for Dimming of VPPM-Based Visible Light Communications. The Journal of Korean Institute of Communications and Information Sciences, 42, 11, (2017), 2155-2159. DOI: 10.7840/kics.2017.42.11.2155.

[KICS Style]

Jeongsu Kim, Ingyu Park, Duy Thong Nguyen, Youngil Park, "Performance Compensation for Dimming of VPPM-Based Visible Light Communications," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 11, pp. 2155-2159, 11. 2017. (https://doi.org/10.7840/kics.2017.42.11.2155)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880