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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 5, Iss. 1 — Jan. 1, 2013
  • pp: 1–12

Monte-Carlo-Based Channel Characterization for Underwater Optical Communication Systems

Chadi Gabriel, Mohammad-Ali Khalighi, Salah Bourennane, Pierre Léon, and Vincent Rigaud  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 5, Issue 1, pp. 1-12 (2013)
http://dx.doi.org/10.1364/JOCN.5.000001


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Abstract

We consider channel characterization for underwater wireless optical communication (UWOC) systems. We focus on the channel impulse response and, in particular, quantify the channel time dispersion for different water types, link distances, and transmitter/receiver characteristics, taking into account realistic parameters. We use the Monte Carlo approach to simulate the trajectories of emitted photons propagating in water from the transmitter towards the receiver. During their propagation, photons are absorbed or scattered as a result of their interaction with different particles present in water. To model angle scattering, we use the two-term Henyey–Greenstein model in our channel simulator. We show that this model is more accurate than the commonly used Henyey–Greenstein model, especially in pure sea waters. Through the numerical results that we present, we show that, except for highly turbid waters, the channel time dispersion can be neglected when working over moderate distances. In other words, under such conditions, we do not suffer from any inter-symbol interference in the received signal. Lastly, we study the performance of a typical UWOC system in terms of bit-error-rate using the simple on–off-keying modulation. The presented results give insight into the design of UWOC systems.

© 2013 OSA

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

ToC Category:
Research Papers

History
Original Manuscript: November 30, 2011
Revised Manuscript: October 23, 2012
Manuscript Accepted: October 26, 2012
Published: December 11, 2012

Citation
Chadi Gabriel, Mohammad-Ali Khalighi, Salah Bourennane, Pierre Léon, and Vincent Rigaud, "Monte-Carlo-Based Channel Characterization for Underwater Optical Communication Systems," J. Opt. Commun. Netw. 5, 1-12 (2013)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-5-1-1

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