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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 21 — Oct. 8, 2012
  • pp: 23019–23024

Demonstration of bi-directional LED visible light communication using TDD traffic with mitigation of reflection interference

Y. F. Liu, C. H. Yeh, C. W. Chow, Y. Liu, Y. L. Liu, and H. K. Tsang  »View Author Affiliations

Optics Express, Vol. 20, Issue 21, pp. 23019-23024 (2012)

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In this work, we experimentally demonstrate a bi-directional transmission link using light emitting diode (LED) visible light communication (VLC) for both downlink and uplink paths. Time-division-duplex (TDD) is proposed and demonstrated to significantly eliminate the reflection interference in VLC. A free space bi-directional transmission of 2 m using simple on-off keying (OOK) modulation with bit error rate (BER) of < 10−5 in both directions are achieved. Moreover, the influence of reflection interference is analyzed, showing the proposed scheme can significantly eliminate the reflection interference.

© 2012 OSA

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications
(230.3670) Optical devices : Light-emitting diodes

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 7, 2012
Revised Manuscript: August 27, 2012
Manuscript Accepted: August 30, 2012
Published: September 24, 2012

Y. F. Liu, C. H. Yeh, C. W. Chow, Y. Liu, Y. L. Liu, and H. K. Tsang, "Demonstration of bi-directional LED visible light communication using TDD traffic with mitigation of reflection interference," Opt. Express 20, 23019-23024 (2012)

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  1. H. L. Minh, D. O’Brien, G. Faulkner, L. Zeng, K. Lee, D. Jung, and Y. Oh, “High-speed visible light communications using multiple-resonant equalization,” IEEE Photon. Technol. Lett.20(14), 1243–1245 (2008). [CrossRef]
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