WLED Communication System Using SC-FDMA Techniques

SC-FDMA기술을 적용한 WLED 통신시스템

  • 이신 (충북대학교 정보통신공학과) ;
  • 박노윤 (충북대학교 정보통신공학과) ;
  • 김영주 (충북대학교 정보통신공학과)
  • Received : 2010.01.06
  • Accepted : 2010.10.15
  • Published : 2010.10.28


In this paper, a WLED communication system with SC-FDMA technique is proposed. OFDM is a promising technique to realize high-speed WLED communication system. However, because of the PAPR, the system performance can be significantly compromised by non-linear distortions in the transmission chain. Furthermore, the overload current due to peak signal power lead the WLED equipment over bright which is harmful to equipment life and human‘s eye. The novel WLED communication system proposed in this paper solved these problems by using SC-FDMA technique which has an inherent low PAPR property. The severity of PAPR performances expressed by CCDF curve and the BER performances under different modulation schemes are analyzed in this paper.




Supported by : 충북대학교


  1. T. Komine and M. Nakagawa, "Fundamental Analysis for Visible-Light Communication System using LED Lights," IEEE Transactions on Consumer Electronics, Vol.50, No.1, pp.100-107, 2004(2).
  2. J.-H. Kim, C. G. Lee, C. S. Park, S. Hann, and D. –H. Kim, "Visible Light Communication at 20 Mb/s Using Illumination LEDs," in Proc. SPIE, Vol.6353, No.40, Gwangju, South Korea, Sep. 5, 2006.
  3. Y. Tanaka, T. Komine, S. Haruyama, and M. Nakagawa, "Indoor Visible Communication Utilizing Plural White LEDs as Lighting," in Proc. of the 12th IEEE International Symposium on Personal, indoor and Mobile Radio Communications, vol. 2, pp. 81-85, San Diego, CA, USA, Sep. 30-Oct.3, 2001.
  4. M. Z. Afgani, H. Haas, H. Elgala, and D. Knipp, "Visible Light Communication Using OFDM," in Proc. of the 2nd International Conference on Testbeds Research Infrastructures for the Development of Networks and Communities (TRIDENTCOM), pp. 129-134, Barcelona, Spain, Mar. 1-3, 2006.
  5. H. Elgala, R. Mesleh, H. Haas, and B. Pricope, "OFDM Visible Light Wireless Communication Based on White LEDs," in Proc. of the 64th IEEE Vehicular Technology Conference (VTC), Dublin, Ireland, Apr. 22-25,2007.
  6. Hyung G. Myung, J. Lim, and D. J. Goodman, "Single Carrier FDMA for Uplink Wireless Transmission," IEEE Vehicular Technology Mag., vol. 1, no. 3, Sep. 2006, pp. 30-38.
  7. H. Elgala, R. Mesleh, and H. Haas, "A study of LED nonlinearity effects on optical wireless transmission using OFDM," IEEE WOCN '09. IFIP International Conference on, April 2009.
  8. T. S. Rappaport, Wireless Communications: Principles and Practice, Second Edition. Prentice Hall, 2002
  9. H. G. Myung, J. Lim, and D. J. Goodman, "Peak-to-Average Power Ratio of Single Carrier FDMA signals with Pulse Shaping," IEEE International Symposium on PIMRC '06, Helsinki, Finland, Sep. 2006.