The Determination of Multiplexing-Diversity Transition Mode in the Visual-MIMO System 


Vol. 41,  No. 1, pp. 42-50, Jan.  2016


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  Abstract

Recently, researches about the communication between LED array and the camera (alias "Visual-MIMO"), have been actively conducted, and the application to the vehicle and a smart phone is expected to be maximized. Since the bit error may occur if the ISI is severe in a LED array, it is necessary to switch from the multiplexing to the diversity mode. In this paper, according to the use or not of a reference array pattern, a method for determining the transition time to the diversity mode is suggested and verified. When using the reference pattern, it determines the transition time to the diversity mode from the multiplexing using the brightness information of the received image. If the reference array pattern is not used, the size of LED array compared to the entire image according to the distance is used and the size of the LED array at the distance of a severe ISI may be used for the determination of transition time to the diversity. Finally, the proposed method is verified through the simulation and hardware experiments as well as by analyzing the performance in accordance with the ISI level and the distance.

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  Cite this article

[IEEE Style]

J. Kim and K. Kim, "The Determination of Multiplexing-Diversity Transition Mode in the Visual-MIMO System," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 1, pp. 42-50, 2016. DOI: .

[ACM Style]

Ji-won Kim and Ki-doo Kim. 2016. The Determination of Multiplexing-Diversity Transition Mode in the Visual-MIMO System. The Journal of Korean Institute of Communications and Information Sciences, 41, 1, (2016), 42-50. DOI: .

[KICS Style]

Ji-won Kim and Ki-doo Kim, "The Determination of Multiplexing-Diversity Transition Mode in the Visual-MIMO System," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 1, pp. 42-50, 1. 2016.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880