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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 5, Iss. 2 — Feb. 1, 2006
  • pp: 103–106

Artificial-light-interference effects on indoor optical wireless links employing DH-PIM

Nawras M. Aldibbiat and Z. Ghassemlooy

Journal of Optical Networking, Vol. 5, Issue 2, pp. 103-106 (2006)
http://dx.doi.org/10.1364/JON.5.000103


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Abstract

We study the effects of artificial (fluorescent) light interference on a dual-header pulse interval modulation (DH-PIM) modulation scheme for an indoor optical wireless environment. Artificial-light-induced interference can be reduced using high-pass filtering (HPF), but it results in a new interference known as the baseline wander. We examine the effects of changing the HPF cut-on frequency in the absence and presence of multipath propagation. The results show that depending on the value of the HPF cut-on frequency, the severity of baseline wander will vary; thus there is a trade-off between the extent of artificial-light-interference rejection and the severity of baseline wander. We show that for DH-PIM, the power requirements are almost constant for HPF with cut-on frequency less than 1% of the bit rate and increase exponentially beyond this value.

© 2005 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
RESEARCH PAPERS

History
Original Manuscript: September 30, 2005
Manuscript Accepted: November 28, 2005
Published: January 27, 2006

Citation
Nawras M. Aldibbiat and Z. Ghassemlooy, "Artificial-light-interference effects on indoor optical wireless links employing DH-PIM," J. Opt. Netw. 5, 103-106 (2006)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-5-2-103


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References

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