Visible light communication in dynamic environment using image/high-speed communication hybrid sensor

Keita Maeno; Mehrdad Panahpour Tehrani; Toshiaki Fujii; Hiraku Okada; Takaya Yamazato; Masayuki Tanimoto; Tomohiro Yendo

doi:10.1117/12.907697

24 January 2012 Visible light communication in dynamic environment using image/high-speed communication hybrid sensor

Keita Maeno, Mehrdad Panahpour Tehrani, Toshiaki Fujii, Hiraku Okada, Takaya Yamazato, Masayuki Tanimoto, Tomohiro Yendo

Author Affiliations +

Proceedings Volume 8282, Broadband Access Communication Technologies VI; 82820I (2012) https://doi.org/10.1117/12.907697
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

Visible Light Communication (VLC) is a wireless communication method using LEDs. LEDs can respond in high-speed and VLC uses this characteristics. In VLC researches, there are two types of receivers mainly, one is photodiode receiver and the other is high-speed camera. A photodiode receiver can communicate in high-speed and has high transmission rate because of its high-speed response. A high-speed camera can detect and track the transmitter easily because it is not necessary to move the camera. In this paper, we use a hybrid sensor designed for VLC which has advantages of both photodiode and high-speed camera, that is, high transmission rate and easy detecting of the transmitter. The light receiving section of the hybrid sensor consists of communication pixels and video pixels, which realizes the advantages. This hybrid sensor can communicate in static environment in previous research. However in dynamic environment, high-speed tracking of the transmitter is essential for communication. So, we realize the high-speed tracking of the transmitter by using the information of the communication pixels. Experimental results show the possibility of communication in dynamic environment.

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Keita Maeno, Mehrdad Panahpour Tehrani, Toshiaki Fujii, Hiraku Okada, Takaya Yamazato, Masayuki Tanimoto, and Tomohiro Yendo "Visible light communication in dynamic environment using image/high-speed communication hybrid sensor", Proc. SPIE 8282, Broadband Access Communication Technologies VI, 82820I (24 January 2012); https://doi.org/10.1117/12.907697

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KEYWORDS

Transmitters

Sensors

Light emitting diodes

Receivers

Video

Photodiodes

Cameras

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