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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 24 — Nov. 22, 2010
  • pp: 25199–25216

High-speed duplex optical wireless communication system for indoor personal area networks

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


Optics Express, Vol. 18, Issue 24, pp. 25199-25216 (2010)
http://dx.doi.org/10.1364/OE.18.025199


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Abstract

In this paper a new hybrid wireless access system incorporating high bandwidth line-of-sight free space optical wireless and radio frequency localization is proposed and demonstrated. This system is capable of supporting several gigabits/second up-stream and down-stream data transmission and ideally suited for high bandwidth indoor applications such as personal area networks. A radio frequency signal is used to achieve localization of subscribers, offering limited mobility to subscribers within a practical office scenario. Even with the modest transmitted power of 5dBm, we demonstrate satisfactory performance of bit error rates better than 10−9 over the entire room in the presence of strong background light. Using simulations, the effectiveness of the proposed system architecture is investigated and the key performance trade-offs identified. Proof-of-concept experiments have also been carried out to validate simulation model, and initial experimental results successfully demonstrate the feasibility of the system capable of supporting 2.5Gbps over a 1-2m optical wireless link (limited by the length of the sliding rail used in the experiment) with a 45 degrees diffused beam in an indoor environment for the first time.

© 2010 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: September 23, 2010
Revised Manuscript: October 30, 2010
Manuscript Accepted: November 1, 2010
Published: November 17, 2010

Citation
Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, and Efstratios Skafidas, "High-speed duplex optical wireless communication system for indoor personal area networks," Opt. Express 18, 25199-25216 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-24-25199


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