Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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LED-to-LED Two Way Visible Light Communication System

LED-to-LED 양방향 가시광통신 시스템

  • Jo, Seung Wan (Dept. of Computer & information Communication Engineering Hongik University) ;
  • Oh, Hoon (Dept. of Computer & information Communication Engineering Hongik University) ;
  • Lee, Yeon Jae (Dept. of Computer & information Communication Engineering Hongik University) ;
  • Le, The Dung (Dept. of Electronics & Computer Engineering in Graduate School, Hongik University) ;
  • An, Beongku (Dept. of Computer & information Communication Engineering Hongik University)
  • 조승완 (홍익대학교 컴퓨터정보통신 공학과) ;
  • 오훈 (홍익대학교 컴퓨터정보통신 공학과) ;
  • 이연재 (홍익대학교 컴퓨터정보통신 공학과) ;
  • 리데덩 (홍익대학교 대학원 전자전산공학과) ;
  • 안병구 (홍익대학교 컴퓨터정보통신 공학과)
  • Received : 2015.11.09
  • Published : 2016.01.25
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Abstract

Recently, visible light communication(VLC) is being actively researched as green wireless communication services are drawing attention. Currently, VLC mostly uses LED for transmission and PD(Photo Diode) for receiving. However, this kind of system has limited applications. Therefore, we design and propose in this paper, a LED-to-LED two way VLC system that doesn't use PD(Photo Diode). This system has the following features and contributions. First, this system uses just LED at both transmitter and receiver with analog switch, Second, this system support both one-way communication and two way communication together. One way communication can support multi-hop communication. The performance evaluation of the proposed system is conducted at a place with standard light. We test the success or failure of one way communication by changing distance and baud rate while test the success and failure of two way communication by changing distance. We expect that the proposed LED-to-LED system in this paper can be applied for various application fields.

최근 그린 무선통신 서비스가 주목 받으면서 가시광통신에 대한 연구가 활발하게 이루어지고 있다. 현재 가시광통신은 주로 송신에 LED를 이용하고, 수신에 PD(Photo Diode)를 사용하여 통신을 한다. 그러나 이러한 시스템 방식은 응용에 한계가 있다. 본 논문에서 제안 개발된 시스템의 주요한 특징과 기여도는 다음과 같다. 첫째, LED만을 이용하여 송수신을 하는 LED-to-LED 가시광통신 시스템이며, 아날로그 스위치로 송수신회로를 교체하는 방식을 사용한다. 둘째, 단방향 통신과 양방향 통신을 함께 지원한다. 단 방향 통신은 멀티 홉을 지원한다. 성능평가 환경은 보통의 형광등이 비추는 곳에서 실험을 하였다. 단 방향 통신은 거리와 보드레이트를 변화 시키며 전송 성공여부를 측정 하였고, 양방향 통신은 거리에 따라 양방향 통신 성공여부를 확인 하였다. 본 논문에서 제안 설계한 LED-to-LED 가시광통신 시스템을 이용하여 더 많은 분야에 응용 할 수 있을 것으로 기대 된다.

Keywords

References

  1. P. Dietz, W. Yerazunis, and D. Leigh, "Very Low-Cost Sensing and Communication Using Bidirectional LEDs," in TR2003-35, 2003.
  2. N. O. Tippenhauer, D. Giustiniano, and S. Mangold, "Toys communicating with LEDs: Enabling Toy Cars Interaction," Proc. of CCNC 2012, January 2012.
  3. T.D.C. Little, Senior Member, IEEE, P. Dib, K. Shah, N. Barraford, and B. Gallagher, "Using LED Lighting for Ubiquitous Indoor Wireless Networking," Proc. of IEEE International Conference on Wireless & Mobile Computing, Networking & Communication 2008, October 2008.
  4. Wang Rui, Duan Jing-yuan, Shi An-cun, Wang Yong-jie, Liu Yu-liang, "Indoor Optical Wireless Communication System Utilizing White LED Lights," Proc. of APCC 2009, October 2009.
  5. Giustiniano, Domenico Tippenhauer, Nils Ole Mangold, Stefan, "Low-complexity Visible Light Networking with LED-to-LED communication," IFIP Wireless Days 2012.
  6. Schmid, S., Disney Res., Zurich, Switzerland, Corbellini, G., Mangold, S., Gross, T.R. "An LED-to-LED Visible Light Communication system with software-based synchronization," Globecom Workshops (GC Wkshps 2012), 2012.
  7. Seung Wan Jo, Le The Dung, and Beongku An, "LED Communication based Multi-hop Audio Data Transmission Network System," The Journal of IEEK, vol. 50, no.6, pp. 1496-1503, June 2013.
  8. Seung Wan Jo, Le-The Dung, Beongku An, "LED Communication-based Multi-hop Wireless Transmission Network System," Journal of IWIT, vol.12, no.4, pp.37-42, August 2012.
  9. Kyusung Shim, Le The Dung, Beongku An, "LED Communication-based PC-PC Transmission System," Journal of IWIT, vol. 12, no.4, pp.181-187, February 2012.