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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 22 — Oct. 24, 2011
  • pp: 21321–21332

Impact of background light induced shot noise in high-speed full-duplex indoor optical wireless communication systems

Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, and Efstratios Skafidas  »View Author Affiliations


Optics Express, Vol. 19, Issue 22, pp. 21321-21332 (2011)
http://dx.doi.org/10.1364/OE.19.021321


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Abstract

The use of infrared radiation to provide high speed indoor wireless communication has attracted considerable attention for over a decade. In previous studies we proposed a novel full-duplex indoor optical wireless communication system with high-speed data transmission and limited mobility can be provided to users. When it is incorporated with localization function, gigabit mobile communication can be provided over the entire room. In this paper we theoretically analyze the limiting factor of our proposed system – background light induced shot noise. A theoretical model that allows the receiver sensitivity and the corresponding power penalty is proposed and the model is validated by experiments. Experimental results show that for both down-link and up-link transmission the background light will result in several dB power penalty and it is more dominant in lower speed links. As the bit rate increases, the preamplifier induced noise becomes larger and eventually dominates the noise process.

© 2011 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 27, 2011
Revised Manuscript: September 15, 2011
Manuscript Accepted: September 19, 2011
Published: October 12, 2011

Citation
Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, and Efstratios Skafidas, "Impact of background light induced shot noise in high-speed full-duplex indoor optical wireless communication systems," Opt. Express 19, 21321-21332 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-22-21321


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